Context: sent1: an acorn is a kind of seed sent2: seeds may sprout when buried in soil sent3: chance means likelihood sent4: an example of seed dispersal is is an animal hiding; gathering; burying seeds sent5: an animal is a kind of living thing sent6: squirrels gather nuts sent7: a squirrel is a kind of animal sent8: animals are organisms sent9: events occur at a specific place; at a specific time; with a specific frequency sent10: an animal is a kind of organism sent11: if a plant sprouts from a seed then that plant is born sent12: may happen means having a chance of happening sent13: an animal is a kind of living thing sent14: sprouting means germinating sent15: animal is a kind of organism sent16: seeds sprouting causes plants to grow sent17: an animal is a kind of thing sent18: a squirrel is a kind of animal sent19: a plant is a kind of organism sent20: to happen means to occur sent21: a living thing is an organism sent22: animals are a kind of organism sent23: an animal is a kind of organism sent24: something that happens is a kind of event sent25: a plant is a kind of organism

Question: Some animals, such as squirrels, may bury acorns. Which of the following is most likely to happen to the acorns after they have been buried?

Answer: The acorns will have a chance to sprout.

Hypothesis: an acorn may sprout when buried in soil

The acorns will have a chance to sprout.

seeds may sprout when buried in soil
an acorn is a kind of seed


Context: sent1: a human is a kind of animal sent2: eating;digestion is when an organism takes in nutrients from food into itself by eating sent3: an animal needs to eat food for nutrients sent4: eating food is used to get nutrients / energy by animals sent5: eating food is used to get energy by animals sent6: food is a source of energy for animals; plants sent7: an animal requires food sent8: tommy is a name for a human sent9: to require something means to need something sent10: something comes from a source of that something sent11: where something comes from is a source of that something sent12: food is what an animal eats sent13: one can get something from a source sent14: to repair means to heal sent15: if something is a source of something else then that something else comes from that something sent16: if something comes from something else then that something else is a source of that something sent17: a human is a kind of animal sent18: food is a source of energy for animals / plants sent19: an animal needs to eat food for nutrients sent20: healing requires rest; nutrients; energy sent21: eating; taking in food is used to get nutrients;energy by animals; living things sent22: food is a source of energy for animals sent23: a cut is a kind of wound sent24: if something comes from something else then that something else is a source of that something sent25: food is a source of energy for living things

Question: Tommy cut his finger. His body needed energy to help heal the cut. Where did the energy come from to heal the cut?

Answer: from the food he ate

Hypothesis: energy for healing comes from food


Context: sent1: an animal needs to eat food for nutrients sent2: a vegetable is a kind of plant sent3: a human is a kind of animal sent4: food contains nutrients for living things sent5: leafy vegetables are a good source of minerals sent6: a human is a kind of animal sent7: a vegetable is a kind of food sent8: a human is a kind of organism sent9: human is a kind of organism sent10: having food has a positive impact on an organism's health sent11: plants are a source of food for animals sent12: mineral nutrient is a kind of nutrient sent13: a vegetable is a kind of plant sent14: an animal needs to eat food for nutrients sent15: food contains nutrients sent16: a source of something provides that something sent17: humans are a kind of organism sent18: some minerals are nutrients sent19: to be good for means to have a positive impact on sent20: a human is a kind of living thing sent21: food contains nutrients for living things sent22: eating leafy vegetables is important for human health sent23: an animal requires enough nutrients to maintain good health; survive sent24: some minerals are nutrients sent25: to provide something means to be the source of that something

Question: Eating leafy vegetables is important for human health. This is because leafy vegetables are a good source of which of the following?

Answer: minerals


Context: sent1: due to means caused by sent2: throat tissue is a kind of bodily tissue sent3: if something is caused by something else then that something resulted from that something else sent4: bacteria is a kind of pathogen sometimes sent5: condition means the state of the property sent6: an animal is a kind of living thing sent7: a human is a kind of animal sent8: bacteria sometimes cause disease sent9: an animal is a kind of living thing sent10: pathogens can cause disease sent11: high is similar to increase sent12: the swelling of bodily tissues is a kind of condition sent13: if something causes something else then that something else is a result of that something sent14: a human is a kind of living thing sent15: increase means more sent16: to produce means to result in sent17: to cause means to result in sent18: product means result sent19: a human is a kind of animal sent20: an impact is a kind of result sent21: if something causes something else then that something results in that something else sent22: microorganisms can cause infections sent23: if something causes something else then that something else results from that something sent24: infection often requires medical treatment sent25: infection can cause bodily tissues to swell

Question: Which of these conditions most likely results from infection?

Answer: swelling of throat tissues

Hypothesis: the swelling of throat tissues is a kind of condition that can result from infection


Context: sent1: poor health / bad health / unhealthy is the opposite of good health / healthy sent2: having a positive impact on health; survival is synonymous with helping to keep healthy sent3: humans are a kind of organism sent4: exercise increases a body's strength sent5: a human is a kind of animal sent6: a person is a kind of living thing sent7: exercise has a positive impact on a human's health sent8: an animal is a kind of living thing sent9: an animal is a kind of living thing sent10: good means positive sent11: a human is a kind of living thing sent12: human is a kind of organism sent13: poor health;bad health;unhealthy is the opposite of good health;healthy sent14: exercise is a kind of physical activity sent15: a human is a kind of organism sent16: if something has a positive impact on health then that something can help to maintain good health sent17: to be good for means to have a positive impact on sent18: everyday means daily sent19: exercise means physical fitness sent20: exercise has a positive impact on a the strength of a body sent21: a human is a kind of animal sent22: daily means every day; once per day sent23: exercising causes the body to become stronger sent24: human is a kind of organism sent25: being stronger usually has a positive impact on an organism's; living thing's health

Question: What is one way that humans can maintain good health?

Answer: exercise daily

Hypothesis: exercise can help a human maintain good health

exercise has a positive impact on a human 's health


Context: sent1: the tundra environment usually is very cold in temperature sent2: place means area sent3: an environment is a kind of thing sent4: if the environmental temperature; air temperature is too cold then an animal; a living thing in that environment may become cold sent5: cold temperatures; cool temperatures cause animals to shiver sent6: ice is cold in temperature sent7: freezing means cold temperatures sent8: an environment is a kind of area sent9: area means a place sent10: cold is a kind of weather sent11: to lower means to decrease sent12: cooling;colder means removing;reducing;decreasing heat;temperature sent13: an environment is a kind of place sent14: the tundra is a kind of environment sent15: colder; cooler means lower in temperature sent16: temperature; heat energy is a property of objects; weather and includes ordered values of cold; cool; warm; hot sent17: ice is cold in temperature sent18: cold environments have cold weather / temperatures sent19: low is similar to decrease sent20: an environment means an area sent21: cold environments have cold temperatures / weather sent22: if the environmental temperature is too cold then an animal in that environment may become cold sent23: cold means low in temperature sent24: cooler means colder sent25: colder means lower in temperature

Question: Which area is coldest?

Answer: tundra

Hypothesis: a tundra is a kind of area that is usually very cold in temperature


Context: sent1: a human is a kind of living thing sent2: a seed is a part of a plant sent3: a consumer is a kind of living thing sent4: peas are a kind of plant sent5: a human is a kind of organism sent6: an animal is a kind of consumer sent7: pea plants are a kind of living thing sent8: humans sometimes eat seeds sent9: a human is a kind of animal sent10: a consumer is a kind of role in the food chain process sent11: corn is a kind of seed sent12: a consumer is a kind of organism sent13: corn is a kind of plant sent14: corn is a kind of plant sent15: in the food chain process an animal has the role of consumer which eats other organisms for food sent16: peas is a kind of seed sent17: a consumer is a kind of organism sent18: part means role sent19: a human is a kind of animal sent20: in the food chain process an animal has the role of consumer which eats producers;other animals for food sent21: humans eat seeds sent22: green plants provide food for themselves; animals; consumers by performing photosynthesis sent23: a food web is made of organisms that consume other organisms; that produce their own food sent24: food web is synonymous with food chain sent25: an animal is a kind of consumer

Question: Some foods that humans eat, such as corn and peas, are actually seeds from plants. What best describes the role of humans in a food web containing these plants?

Answer: a consumer

Hypothesis: in the food chain process a human has the role of consumer


Context: sent1: carnivores; omnivores; herbivores are a kind of animal sent2: carnivores only eat animals sent3: if an animal eats particles then that animal is a carnivore or omnivore or predator sent4: an eagle is a kind of carnivore sent5: a bird is a kind of animal sent6: a bird is a kind of organism sent7: hawks;eagles eat snakes;lizards; rats; rabbits; mice sent8: eagles do not eat plants sent9: a bird is a kind of living thing sent10: predators; carnivores; omnivores eat other animals sent11: an eagle is a kind of bird sent12: hawks eat snakes / rats / rabbits sent13: eagles eat rabbits sent14: eagles eat fish sent15: a predator is a kind of animal sent16: animal is a kind of organism sent17: an eagle is a kind of animal sent18: owls eat other animals sent19: carnivores are a kind of animal sent20: a predator is a kind of animal sent21: a predator eats other animals for food sent22: food web is synonymous with food chain sent23: a bird is a kind of animal sent24: a predator is a kind of organism sent25: eagles eat snakes / lizards / rats / rabbits / mice

Question: Use the information below to answer the question. Each organism on Earth is a part of a complex relationship with other organisms. This relationship is called a food web. The following organisms are part of a food web typically located in and around a reservoir. algae fish rabbit eagle pine tree grass field mouse Which member of the food web is a carnivore?

Answer: eagle

Hypothesis: an eagle is a kind of carnivore


Context: sent1: plant and animal matter means organic matter sent2: a bacterium is a kind of decomposer sent3: a decomposer performs decomposition sent4: a decomposer is usually a bacterium; fungus sent5: fertility is a property of soil that describes how fertile the soil is sent6: a bacterium is a kind of organism sent7: bacteria is a kind of living thing sent8: plants are made of plant matter sent9: fertile soil is better for the growth of plants than non-fertile soil sent10: decomposition is when a decomposer breaks down dead organisms sent11: increase means more sent12: a decomposer is a kind of organism sent13: a microorganism is a kind of decomposer sent14: in the food chain process bacteria have the role of decomposer sent15: decomposition increases the amount of nutrients; nitrogen in the soil sent16: as the amount of organic matter in soil increases , the soil will be better for the growth of plants sent17: soil fertility means the ability of soil to sustain plant growth sent18: a plant requires soil for to grow sent19: fertile soil has a high number of nutrients sent20: fertile topsoil; soil is high in organic matter level sent21: more means an increase in the amount of something sent22: decomposers are a kind of organism sent23: decomposition increases amount of organic matter in soil sent24: high is similar to increase sent25: high quality; rich; good soil has a high number of nutrients; amount of nitrogen

Question: Many bacteria are decomposer organisms. Which of the following statements best describes how these bacteria help make soil more fertile?

Answer: The bacteria break down plant and animal matter.

Hypothesis: bacteria causes soil to become more fertile by breaking down dead plants and animals

The bacteria break down plant and animal matter.

fertile topsoil / soil is high in organic matter level


Context: sent1: if something requires something else then that something else is important to that something sent2: farming happens on a farm sent3: high quality; rich; good soil has a high number of nutrients; amount of nitrogen sent4: farming is when a human plants crops for food sent5: dark means dark in color sent6: farming is when a human plants crops for food sent7: if the plant needs a type of soil to grow , then that type of soil will benefit the plant the most sent8: a farmer farms crops; plants for food sent9: if something has a positive impact on something else then that something is important to that something else sent10: fertile soil has a high number of nutrients sent11: fertile soil is better for the growth of plants than non-fertile soil sent12: a cropland is a kind of farm sent13: if something requires something else then that something else is important to that something sent14: cropland is used for farming by humans sent15: dark means dark in color sent16: to be good for means to have a positive impact on sent17: fertility is a property of soil that describes how fertile the soil is sent18: if something is required for a process then that something positively impacts that process sent19: farming happens on a farm sent20: if something is required for a process then that something positively impacts that process sent21: fertile topsoil; soil is high in organic matter level sent22: a plant requires soil for survival; to grow sent23: farming produces food sent24: a farmer farms crops; plants for food sent25: farming is a source of food

Question: Which of the following was probably most important in the formation of dark, fertile soil that is good for farming?

Answer: plant decomposition

Hypothesis: plant decomposition is important for the formation of fertile soil

high quality / rich / good soil has a high number of nutrients / amount of nitrogen

decomposition increases the amount of nutrients / nitrogen in the soil


Context: sent1: some rabbits live in meadows sent2: negative impacts on organisms; species will decrease the population of the organisms; the species sent3: farmers plant fruit trees sent4: a meadow is a kind of environment sent5: negative impacts on organisms / species will decrease the population of the organisms / the species sent6: harming an animal species has a negative impact on the population size of that species sent7: killing a living thing decreases the number; population size of that living thing sent8: a meadow is a kind of environment sent9: a farmer farms crops; plants for food sent10: as population of predators increases , the population of prey will decrease in an environment sent11: humans changing ecosystems;environments usually has a negative impact on an ecosystem; organisms living in an ecosystem sent12: harming an animal species has a negative impact on the population size of that species sent13: as population of prey decreases , the population of predators will decrease sent14: rabbits eat plants sent15: a farmer farms crops; plants for food sent16: harming an animal species causes that animal's population to decrease sent17: a rabbit is a kind of animal sent18: decreasing in population will cause the population to be low sent19: humans changing an environment causes animal populations to decrease in that environment sent20: farming decreases animal habitats sent21: a rabbit is a kind of animal sent22: to reduce means to decrease sent23: a rabbit is a kind of mammal sent24: decreasing in population can cause the population to be low sent25: if the population of an animal decreases then the amount of that animal will decrease

Question: Farmers plant fruit trees in an area that was once a grassy meadow. Which will most likely happen to the rabbits living in the meadow?

Answer: The size of their population will decrease.

Hypothesis: humans / farmers planting fruit trees in a meadow causes rabbit populations to decrease in that meadow

The size of their population will decrease.


Context: sent1: a bird is a kind of animal sent2: a robin is a kind of animal sent3: a cricket is a kind of animal sent4: a bird is a kind of organism sent5: prey is a kind of food for predators sent6: a bird is a kind of animal sent7: to prey on an animal means to eat that animal sent8: if an animal eats other animals for food , then the animal is the predator sent9: a robin is a kind of bird sent10: predators eat prey sent11: a predator is a kind of animal sent12: eating food requires catching food sent13: if an animal is eaten by other animals , then the animal will be the prey sent14: a bird is a kind of living thing sent15: predators eat prey sent16: an insect is a kind of animal sent17: a predator eats other animals for food sent18: prey is a kind of food for predators sent19: eating prey requires catching prey sent20: if an animal eats other animals for food , then the animal will be the predator sent21: if an animal is eaten by other animals , then the animal will be the prey sent22: if an animal eats other animals for food , then the animal will be the predator sent23: a cricket is a kind of insect sent24: a predator is a kind of animal sent25: a robin eats a cricket

Question: A robin catches and eats a cricket. Which statement best describes the roles of each animal?

Answer: The robin is the predator and the cricket is the prey.

Hypothesis: the robin is the predator and the cricket is the prey

The robin is the predator and the cricket is the prey.


Context: sent1: if something has a positive impact on a process then that something helps that process sent2: something in the soil is located underground sent3: plants are a kind of organism sent4: roots grow into the dirt sent5: helping means something can be done; completed more easily; better sent6: better means good sent7: having a positive impact on something helps that something sent8: roots are a part of a plant sent9: helping something has a positive impact on that something sent10: tunnels in soil loosen that soil sent11: helping means something can be done better sent12: a plant is a kind of organism sent13: a tunnel is a kind of hole sent14: earthworms create tunnels in soil sent15: the looseness of soil has a positive impact on a plant's roots' growth in that soil sent16: an earthworm is a kind of animal sent17: to improve means to have a positive impact sent18: underground means under ground sent19: helping something has a positive impact on that something sent20: a plant is a kind of organism sent21: a plant requires soil for survival; to grow sent22: a worm is a kind of animal sent23: to make something easier means to help sent24: a worm is a kind of living thing sent25: a plant requires soil for to grow

Question: Earthworms live underground in the soil. As they move through the soil, they create tunnels. The tunnels help improve the soil. Plants grow better in soil that has earthworms. Which statement explains how earthworm tunnels help plants?

Answer: Earthworm tunnels loosen the soil so plant roots can easily grow

Hypothesis: earthworms creating tunnels has a positive impact on the growth of plant roots by loosening the soil

Earthworm tunnels loosen the soil so plant roots can easily grow

the looseness of soil has a positive impact on a plant 's roots' growth in that soil


Context: sent1: animals; living things require water for survival sent2: animal is a kind of organism sent3: a living thing is an organism sent4: animals are organisms sent5: an animal is a kind of organism sent6: an animal is a kind of living thing sent7: an animal is a kind of thing sent8: nonliving; non-living; die is the opposite of living; alive; live sent9: an animal is a kind of organism sent10: sunlight means solar energy sent11: all living things are organisms sent12: water is a kind of nonliving thing sent13: an animal is a kind of living thing sent14: light is a kind of nonliving thing sent15: a living things require water for survival sent16: an organism is a living thing sent17: an organism is a living thing sent18: nonliving means not living sent19: sunlight is a kind of solar energy sent20: animals are a kind of organism sent21: rock is a kind of nonliving thing sent22: organisms are living things sent23: living thing is a kind of organism sent24: sunlight is a kind of solar energy sent25: living things require water for survival

Question: Which list contains only nonliving things?

Answer: water, rocks, sunlight

Hypothesis: water and rock and sunlight are nonliving things

light is a kind of nonliving thing
water is a kind of nonliving thing
rock is a kind of nonliving thing


Context: sent1: a frog is a kind of animal sent2: if a unit for something is being measured, then it requires a measurement tool for measuring that something sent3: a frog is a kind of animal sent4: an animal is a kind of living thing sent5: an animal is a kind of organism sent6: a kit usually contains materials for assembling something sent7: an amphibian is a kind of animal sent8: animals are a kind of organism sent9: a dissecting kit is a kind of instrument sent10: an animal is a kind of living thing sent11: instrument means tool sent12: a dissecting kit is used to study anatomy sent13: amphibian anatomy is a kind of anatomy sent14: subunit is similar to unit sent15: an animal is a kind of organism sent16: anatomy studies the body structure of organisms sent17: to study means to examine sent18: animal is a kind of organism sent19: a dissecting kit is used to dissecting; study anatomy sent20: unit is similar to part sent21: a frog is a kind of amphibian sent22: animals are organisms sent23: a dissecting kit contains scissors; forceps; scalpels sent24: amphibian is a kind of taxonomic group of animals sent25: tool means instrument

Question: Which instrument would be used when studying a unit on amphibian anatomy?

Answer: a dissecting kit

Hypothesis: a dissecting kit is a kind of instrument that can be used to study amphibian anatomy


Context: sent1: studying is similar to investigating sent2: bacteria is a kind of living thing sent3: best means most positive sent4: a microorganism is very small in size sent5: bacteria grow in a bacterial culture sent6: bacteria is small; microscopic in size sent7: studying something usually requires seeing that something sent8: a living thing is a kind of object sent9: technology is similar to tool sent10: a tool is a kind of object sent11: tool means instrument sent12: instrument means device sent13: an organism is a living thing sent14: growing bacteria in the lab is used to study the bacteria sent15: better means good sent16: a living thing is a kind of object sent17: a petri dish is a kind of tool sent18: a container is a kind of object sent19: a petri dish in a lab is used to grow bacteria in a controlled setting sent20: an organism is a living thing sent21: instrument means tool sent22: a bacterium is a kind of organism sent23: to study means to examine sent24: research is used for learning sent25: a living thing is an organism

Question: Which are the best tools to use for growing and studying bacterial cultures?

Answer: Petri dishes

Hypothesis: a petri dish can be used to grow and study the bacteria in a controlled setting


Context: sent1: learned characteristics are similar to acquired characteristics sent2: a ball is a kind of object sent3: an inherited characteristic is a kind of characteristic sent4: an animal is a kind of thing sent5: an instinctive behavior is a kind of inherited characteristic; behavioral adaptation sent6: feature is synonymous with characteristic sent7: trait is synonymous with characteristic sent8: an example of playing with toys is jumping to catch a ball sent9: learned behaviors are learned over the lifetime of the animal sent10: a learned characteristic is a kind of acquired characteristic sent11: skills are learned characteristics; behaviors sent12: inherited characteristics are the opposite of learned characteristics sent13: a ball is a kind of object sent14: an instinctive behavior is a kind of inherited characteristic sent15: a learned characteristic is a kind of characteristic of an animal sent16: a behavior is a kind of characteristic sent17: a dog is a kind of animal sent18: if an animal is trained to do something then that something is a learned behavior sent19: skills are learned characteristics sent20: an animal is a kind of living thing sent21: an inherited characteristic is a kind of characteristic sent22: conditioned behavior is a kind of learned behavior sent23: an animal is a kind of living thing sent24: playing with toys is a learned characteristic sent25: inherited characteristics are the opposite of learned characteristics; acquired characteristics

Question: Which dog trait is a learned behavior?

Answer: jumping to catch a ball

Hypothesis: jumping to catch a ball is a kind of learned characteristic


Context: sent1: skills are learned characteristics; behaviors sent2: learned characteristics are similar to acquired characteristics sent3: learned behaviors are learned over the lifetime of the animal sent4: an example of following orders is coming when called sent5: inherited characteristics are the opposite of learned characteristics; acquired characteristics sent6: an animal is a kind of thing sent7: skills are learned characteristics sent8: animals laying down on command is an example of animals following order sent9: a dog is a kind of animal sent10: if an animal is trained to do something then that something is a learned behavior sent11: an animal is a kind of organism sent12: following orders is a learned characteristic sent13: a kind of something is an example of that something sent14: conditioned behavior is a kind of learned behavior sent15: laying down is a kind of action sent16: a learned characteristic is a kind of characteristic of an animal sent17: an animal is a kind of living thing sent18: animals sitting on command is an example of animals following order sent19: actions mean behavior sent20: a learned characteristic is a kind of acquired characteristic sent21: an animal is a kind of living thing sent22: following an order means performing an action on command sent23: social behavior is a kind of learned behavior sent24: sitting is a kind of action sent25: a behavior is a kind of characteristic

Question: An example of a learned behavior is a

Answer: dog laying down on command.

Hypothesis: a dog laying down on command is a learned characteristic


Context: sent1: animal instinct means instinctive behavior sent2: skills are learned characteristics sent3: an instintctive behavior is similar to instinct sent4: a learned characteristic is a kind of acquired characteristic sent5: skills are learned characteristics; behaviors sent6: a kind of something is an example of that something sent7: hunting is when a human kills an animal for food / recreation in the wild sent8: hunting is when an animal kills another animal to eat that animal sent9: a learned characteristic is a kind of characteristic of an animal sent10: hunting; scavenging is a kind of skill sent11: a predator is a kind of animal sent12: hunting is a kind of skill sent13: an instinctive behavior is a kind of inherited characteristic; behavioral adaptation sent14: trait is synonymous with characteristic sent15: an animal knows how to do instinctive behaviors when it is born sent16: hunting requires sensing prey sent17: inherited characteristics are the opposite of learned characteristics; acquired characteristics sent18: hunting requires seeing; sensing prey sent19: hunting is a kind of action sent20: an instinctive behavior is a kind of inherited characteristic sent21: a predator is a kind of animal sent22: learned characteristics are similar to acquired characteristics sent23: hunting is when a human kills an animal for food; recreation in the wild sent24: inherited characteristics are the opposite of learned characteristics sent25: inherited characteristics are the opposite of acquired characteristics

Question: Which is not an example of animal instinct?

Answer: hunting skills

Hypothesis: hunting is not an instinctive behavior

skills are learned characteristics / behaviors

inherited characteristics are the opposite of learned characteristics / acquired characteristics


Context: sent1: preferences are generally learned characteristics sent2: a learned characteristic is a kind of acquired characteristic sent3: a human is a kind of living thing sent4: inheriting is when an inherited characteristic from parent to offspring sent5: a human is a kind of animal sent6: favorite means highest preference sent7: inherited trait is a kind of genetic trait sent8: genetic; hereditary means of genes; heredity sent9: a learned characteristic is a kind of characteristic of an animal sent10: inherited characteristics are the opposite of learned characteristics sent11: inheriting is when an inherited characteristic is copied; is passed from parent to offspring by genetics;dna sent12: heredity is similar to inheritance sent13: an inherited characteristic is a kind of characteristic sent14: trait is synonymous with characteristic sent15: a food preference is a kind of preference sent16: trait means property sent17: inheriting is when an inherited characteristic is passed down from parent to offspring by genetics / dna sent18: inherited characteristics are the opposite of acquired characteristics sent19: an inherited characteristic is a kind of characteristic sent20: inherited characteristics are the opposite of learned characteristics; acquired characteristics sent21: inherited trait is similar to inherited characteristic sent22: a human is a kind of animal sent23: inheriting is when an inherited characteristic is passed from parent to offspring sent24: learned characteristics are similar to acquired characteristics sent25: some characteristics of animals are inherited

Question: Which of the following is not an inherited trait of humans?

Answer: favorite food

Hypothesis: food preference is not inherited from parents


Context: sent1: genes contains genetic information sent2: hereditary information is similar to genetic information sent3: genes is a vehicle for passing inherited characteristics from parent to offspring sent4: information in an organism's chromosomes cause genetic traits to be passed down to that organism's offspring sent5: heredity is when genetic information is passed from one generation to the next sent6: inherited trait is a kind of genetic trait sent7: inherited characteristics are passed down from ancestor to descendant sent8: genetic; hereditary means of genes; heredity sent9: inheriting is when an inherited characteristic is passed from parent to offspring by dna sent10: inheriting is when an inherited characteristic is passed from parent to offspring sent11: dna are a vehicle for passing genes from parent to offspring sent12: offspring inherit inherited characteristics from their parents through dna sent13: heredity is similar to inheritance sent14: inheriting is when an inherited characteristic from parent to offspring sent15: trait is a kind of genetic information sent16: offspring receive genes from their parents through sexual reproduction sent17: inheriting is when an inherited characteristic is passed down from parent to offspring by genetics / dna sent18: inherited characteristics are a kind of hereditary information sent19: offspring receive genes from their parents through inheritence; dna; sexual reproduction sent20: a gene is a kind of unit of hereditary information sent21: to pass means to transfer sent22: inheriting is when an inherited characteristic is copied; is passed from parent to offspring by genetics;dna sent23: reproduction is when an organism passes genetic information from itself to its offspring sent24: genes is a vehicle for passing genetic information from one generation to the next sent25: inheriting is when an inherited characteristic is passed from parent to offspring by genetics / dna

Question: Hereditary information is transmitted from parents to offspring through

Answer: genes.

Hypothesis: hereditary information is passed from parents to offspring through genes


Context: sent1: childern is similar to offspring sent2: inheriting is when an inherited characteristic is passed from parent to offspring by genetics / dna sent3: offspring receive genes from their parents through dna sent4: inheriting is when an inherited characteristic is copied; is passed from parent to offspring by genetics;dna sent5: offspring inherit inherited characteristics from their parents through dna sent6: a child is a kind of young human offspring sent7: resemble means similar characteristics sent8: genes is a vehicle for passing inherited characteristics from parent to offspring sent9: offspring inherit inherited characteristic from their parents sent10: offspring receive genes from their parents through inheritence; dna; sexual reproduction sent11: resemble means look like sent12: a child is a kind of young human sent13: inheriting is when an inherited characteristic from parent to offspring sent14: a child is a kind of young human sent15: genes are able to determine the inherited characteristics of a living thing sent16: inheriting is when an inherited characteristic is passed down from parent to offspring by genetics / dna sent17: genes are made of dna sent18: genes are able to determine the inherited characteristics of a living thing sent19: if two organisms are closely related to each other , then those two organisms will share similar dna sent20: inheriting is when an inherited characteristic is passed from parent to offspring by dna sent21: children; young is synonymous with offspring sent22: genetic; hereditary means of genes; heredity sent23: dna are a vehicle for passing genes from parent to offspring sent24: if two organisms share similar dna, then those two organisms will have similar characteristics sent25: inherited trait is a kind of genetic trait

Question: Which best explains why children resemble their parents?

Answer: They have similar DNA.

Hypothesis: children usually resemble parents

some word synonymy relations you might need to know to answer this question are:


Context: sent1: to carry something means to contain something sent2: if something is made of something else, then that something contains at least one of that something else sent3: thymine cannot be found in rna sent4: if something is made of something / a material then that something contains that something / that material sent5: a researcher found thymine in a strand of nucleic acid sent6: chromosome is made of dna sent7: thymine is a kind of nitrogenous base in dna sent8: genes are made of dna sent9: if something is made of something; a material then that something contains that something; that material sent10: the sequence of nucleotides contains genetic information for the organism sent11: to conclude means to make a conclusion sent12: if something is made of something else then that something contains that something else sent13: rna are found in the nucleus of the cell sent14: rna is a kind of nucleic acid sent15: thymine is found in dna sent16: dna is a kind of molecule sent17: to contain something means to include something sent18: dna are found in the nucleus of the cell sent19: rna often are made of one sequence of nucleotides sent20: adenine; a is the complementary base of thymine; t in dna sent21: virus is a kind of living thing sent22: dna is a kind of nucleic acid sent23: to be found in means to be contained in sent24: to contain something means to have that something sent25: dna are made of two sequences of nucleotides linked together

Question: Dr. Tanaka discovered a new virus. The virus has a single strand of a nucleic acid, but she does not know if it is DNA or RNA. After running tests, she concludes that it is DNA. Which of the following would lead her to that conclusion?

Answer: It contains thymine.

Hypothesis: the researcher found a strand of dna

thymine is found in dna
thymine cannot be found in rna


Context: sent1: predators eat prey sent2: an instinctive behavior is a kind of inherited characteristic; behavioral adaptation sent3: a lion is a kind of animal sent4: an inherited characteristic is a kind of characteristic sent5: a kind of something is an example of that something sent6: an instinctive behavior is a kind of inherited characteristic sent7: an inherited characteristic is a kind of characteristic sent8: inherited characteristics are the opposite of learned characteristics; acquired characteristics sent9: inherited characteristics are the opposite of learned characteristics sent10: trait is synonymous with characteristic sent11: inherited trait is a kind of genetic trait sent12: the diet of an animal is an inherited characteristic sent13: some characteristics of animals are inherited sent14: lion eat zebras sent15: predators eat prey sent16: to prey on an animal means to eat that animal sent17: species is an inherited characteristic sent18: a predator eats other animals for food sent19: a zebra is a kind of animal sent20: inherited trait is similar to inherited characteristic sent21: carnivores; omnivores; herbivores are a kind of animal sent22: predators; carnivores; omnivores eat other animals sent23: eating an animal; a plant means killing that animal; that plant sent24: an animal is a kind of living thing sent25: a lion is a kind of mammal

Question: Which situation is an example of an inherited trait?

Answer: lions preying on zebras

Hypothesis: lions eating zebras is an example of inherited characteristic

inheriting is when an inherited characteristic is copied / is passed from parent to offspring by genetics / dna


Context: sent1: iron is a kind of metal sent2: to become is similar to change into sent3: rusting means forming rust sent4: to become something is a kind of change sent5: chemical reactions cause chemical change sent6: a metal is a kind of element sent7: a phase change is a kind of physical change sent8: to categorize means to classify sent9: chemical change is the opposite of physical change sent10: iron is a kind of solid sent11: rust is made of iron and oxygen sent12: rusting is when iron chemically reacts with water and oxygen sent13: metal rusts sent14: rust forming is a kind of chemical change sent15: a phase change is a kind of physical change sent16: ferrous metals contain iron sent17: an example of a physical change is a phase change sent18: rust forming is a kind of chemical change sent19: iron in contact with water and oxygen will rust sent20: rusty means having rust sent21: iron is a kind of solid sent22: becoming is similar to changing sent23: iron is a kind of metal sent24: iron is a kind of mineral sent25: iron is a kind of element

Question: Emily made a chart that included physical changes and chemical changes. Which change should be categorized as a chemical change?

Answer: iron becomes rusty

Hypothesis: iron rusting is a kind of chemical change


Context: sent1: vinegar is a kind of substance sent2: chemical reactions cause new substances to form sent3: material means substance sent4: a chemical is a kind of substance sent5: a compound is made of two or more elements chemically combined sent6: vinegar is a kind of liquid sent7: baking soda can react chemically with vinegar sent8: combining; mixing two substances chemically causes chemical reactions sent9: if something is formed from a material then that something is made of that material sent10: if a material; a substance is a mixture of two or more materials or substances then that material; substance is made; is formed; contains those materials; substances sent11: if something is formed by a material changing then that something is formed from that material sent12: a compound is a kind of material sent13: baking soda can react chemically with vinegar producing carbon dioxide sent14: chemical reactions cause different substances to form sent15: chemical changes cause different substances to form sent16: baking soda is a kind of substance sent17: a compound is a kind of substance sent18: chemical reactions releasing new substances means chemical reactions forming new substances sent19: to be made of something means to be formed of that something sent20: combining two substances chemically causes chemical reactions sent21: baking soda is a kind of solid sent22: a compound is a kind of substance sent23: chemicals means substances sent24: chemical reactions cause new substances; different substances to form sent25: chemical reactions cause new materials to form

Question: Materials combine chemically or physically. Which materials form a new substance when chemically combined?

Answer: baking soda and vinegar

Hypothesis: combining baking soda and vinegar can cause chemical reactions

combining / mixing two substances chemically causes chemical reactions


Context: sent1: a phase change is a kind of physical change sent2: an example of a physical change is a phase change sent3: liquid is a kind of state of matter sent4: a kind of something is an example of that something sent5: melting is a kind of phase change sent6: a phase change is when matter; a substance changes from one state of matter into another state of matter sent7: melting is when solids are heated above their melting point sent8: if a thing's physical properties change then it has undergone a physical change sent9: water is a kind of liquid sent10: if something undergoes a physical change then the physical properties of that something will change sent11: liquid is a kind of state of matter sent12: water is in the solid state , called ice , for temperatures between 0; -459; -273 and 273; 32; 0 k; f; c sent13: if something undergoes a physical change then the physical properties of that something will change sent14: melting means substance changes from a solid into a liquid by increasing heat energy sent15: ice is a kind of solid sent16: a phase change is when a substance changes from one state of matter into another state of matter sent17: water is in the solid state , called ice sent18: phase changes are a kind of physical change sent19: water is in the solid state , called ice , for temperatures between -273 and 0 c sent20: water is a kind of liquid at room temperature sent21: melting means matter; a substance changes from a solid into a liquid by increasing heat energy sent22: water is a kind of liquid at room temperature sent23: melting means a substance changes from a solid into a liquid by increasing heat energy sent24: ice is a kind of solid sent25: a phase change is a kind of physical change

Question: Which is an example of a physical change?

Answer: ice melting

Hypothesis: ice melting is a kind of physical change


Context: sent1: corrosive substance can cause harm to the eyes sent2: an acid is corrosive sent3: lemon juice changes the color of litmus paper from blue to red sent4: an acid changes the color of litmus paper from blue to red sent5: tasting bad is a kind of negative effect sent6: a lemon is a kind of fruit sent7: lemon juice contains acid sent8: color is a property of a substance sent9: acids are corrosive sent10: red is a kind of color sent11: a base changes the color of litmus paper from red to blue sent12: lemon juice is a kind of substance sent13: to belong to a class means to be a kind of something sent14: an indicator is made of litmus paper sent15: lemon juice is corrosive sent16: juice is a kind of liquid sent17: a kind of something is classified as that something sent18: a class of something means a type of something sent19: classifying means grouping objects; materials by their properties sent20: acid is a kind of substance sent21: acidity is a property of chemicals; substances and includes ordered values of basic; neutral; acidic sent22: to categorize means to classify sent23: taste is a property of an object sent24: lemon juice is a kind of acid sent25: an acid is often sour in taste

Question: Lemon juice turns litmus paper red, is corrosive and tastes sour. Lemon juice is classified as

Answer: an acid.

Hypothesis: lemon juice is sour in taste


Context: sent1: neutrons are a kind of subatomic particle sent2: protons; neutrons are formed by nuclear fusion sent3: the nucleus is the core of an atom sent4: the nucleus is made of neutrons and protons sent5: the nucleus of an atom is surrounded by almost empty space sent6: an atom is a kind of particle sent7: electrons surround the nucleus of an atom sent8: the nucleus of an atom is made of protons and neutrons sent9: nucleus is synonymous with core; center sent10: an electron is a kind of charged particle sent11: electrons surround; orbit the nucleus of an atom sent12: nucleus is surrounded by almost empty space in an atom sent13: neutrons are a kind of subatomic particle sent14: the structure of an atom is made of a massive nucleus surrounded by electrons sent15: electrons are a part of an atom sent16: the nucleus is the core; center of an atom sent17: an atom is made of protons, neutrons, and electrons sent18: an atom is made of protons; neutrons; electrons sent19: atoms are made of particles sent20: being around something means surrounding that something sent21: neutrons are a part of the nucleus sent22: atom is a kind of particle sent23: atom is a kind of particle sent24: the nucleus of an atom is usually made of both protons and neutrons sent25: protons are found in the nucleus of an atom

Question: Which of the following best describes an atom?

Answer: a core of protons and neutrons surrounded by electrons

Hypothesis: an atom is made of a core of protons and neutrons surrounded by electrons

electrons surround / orbit the nucleus of an atom


Context: sent1: to change means to cause a change sent2: proton is a kind of subatomic particle sent3: atomic number is used to describe the proton number of an element sent4: one is a kind of number sent5: an atom is made of protons; neutrons; electrons sent6: to add means to increase sent7: atomic number is a property of elements sent8: to cause means to result in sent9: atomic number is used to describe the proton number of an atom sent10: atomic number is only determined by the number of proton of an element sent11: a proton is a part of an atom; an element sent12: amount is similar to number sent13: an increase is a kind of change sent14: proton is a kind of subatomic particles sent15: atomic means of the atom sent16: to be formed by is to be the result of sent17: an atom is a kind of object sent18: an increase is a kind of change sent19: to add something means to increase something sent20: atomic number is determined by the proton number of an atom sent21: an atom is a kind of object sent22: adding one proton to an atom changes the proton number of the atom sent23: protons are found in the nucleus of an atom sent24: an atom is made of protons, neutrons, and electrons sent25: adding something is a kind of change

Question: What would be the result of adding one proton to an atom?

Answer: the atomic number would change

Hypothesis: the atomic number of the atom will change


Context: sent1: the nucleus is the center of an atom sent2: the mass of the atom is determined by protons and neutrons sent3: if something is found in some place , then that something is concentrated in that place sent4: nucleus is synonymous with core; center sent5: the nucleus is the core of an atom sent6: if something is a part of something then that something can be found in that something sent7: the nucleus of an atom is made of protons and neutrons sent8: place is synonymous with location sent9: if something is located in somewhere , then something can be found in somewhere sent10: atomic means of the atom sent11: located means situated sent12: the nucleus is the core; center of an atom sent13: found in means existing in sent14: contains means located in sent15: ninety-nine percent is similar to most sent16: protons are found in the nucleus of an atom sent17: an atom is a kind of object sent18: mass is a measure of the amount of matter in an object sent19: the nucleus is made of neutrons and protons sent20: to be found in means to be contained in sent21: most of the mass of an atom is located in the nucleus sent22: matter is made of atoms sent23: an atom is a kind of object sent24: nucleus is a part of an atom sent25: an atom is made of protons; neutrons; electrons

Question: Ninety-nine percent of the mass of an atom is located in

Answer: the nucleus.


Context: sent1: a proton has a positive 10 electric charge sent2: an atom is made of protons; neutrons; electrons sent3: the nucleus of an atom is made of protons and neutrons sent4: an atom is a kind of object sent5: an atom is a kind of object sent6: nucleus is synonymous with core; center sent7: a structure of something is synonymous with a part of that something sent8: the nucleus is the core; center of an atom sent9: the structure of an atom is made of a massive nucleus surrounded by electrons sent10: an ion atom has a positive or negative electric charge sent11: being around something means surrounding that something sent12: the nucleus is the center of an atom sent13: electrons surround; orbit the nucleus of an atom sent14: a proton is a part of an atom; an element sent15: a proton has a positive (+1) electrical charge sent16: nucleus is surrounded by almost empty space in an atom sent17: the nucleus of an atom is usually made of both protons and neutrons sent18: electrons surround the nucleus of an atom sent19: the nucleus is the core of an atom sent20: positive charge is a kind of electric charge sent21: protons are found in the nucleus of an atom sent22: the nucleus of an atom is surrounded by almost empty space sent23: an atom is made of protons, neutrons, and electrons sent24: the nucleus is made of neutrons and protons sent25: an atom is positive 1 in electric charge

Question: How is the structure of an atom best described?

Answer: a positive core surrounded by mostly empty space

Hypothesis: an atom has a positive core surrounded by mostly empty space


Context: sent1: an atom is exceptionally small in size sent2: electrons orbit the nucleus of an atom sent3: atoms are made of particles sent4: a electron has a negative -10 electric charge sent5: nucleus is a part of an atom sent6: an atom is a kind of object sent7: the nucleus is the center of an atom sent8: an electron has a negative -1 electric charge sent9: an atom is a kind of object sent10: electrons are located on the orbitals in an atom sent11: atom is a kind of particle sent12: electrons surround; orbit the nucleus of an atom sent13: atom is a kind of particle sent14: electron is the smallest particle in an atom sent15: an ion atom has a positive or negative electric charge sent16: the atom is the smallest unit; particle that has the properties of an element sent17: the nucleus is the core; center of an atom sent18: revolving around something means orbiting that something sent19: found in means existing in sent20: revolving around means orbiting sent21: an atom is a kind of particle sent22: electrons surround the nucleus of an atom sent23: a electron has a negative (-1) electric charge sent24: an electron is a kind of charged particle sent25: to be found in means to be contained in

Question: Where is the smallest negatively-charged particle found in an atom?

Answer: orbits around the nucleus

Hypothesis: the smallest, negatively-charged particles in the atom orbit the nucleus of the atom


Context: sent1: an atom is made of protons; neutrons; electrons sent2: an atom is a kind of particle sent3: electrons take up the majority of the volume of an atom sent4: electrons are a part of an atom sent5: matter is made of atoms sent6: volume is a property of objects sent7: majority means over 50% of something sent8: an object is made of its parts sent9: an electron is a kind of charged particle sent10: to take up is similar to occupy sent11: the volume of something describes the amount of something sent12: an atom is a kind of object sent13: an atom is a kind of object sent14: the majority of is similar to the largest amount sent15: matter; materials; substances are made of atoms; particles sent16: size; amount of space means volume sent17: electron is the smallest particle in an atom sent18: atomic means of the atom sent19: an electron is a kind of subatomic particle sent20: atom is a kind of particle sent21: volume is similar to amount sent22: an atom is made of protons, neutrons, and electrons sent23: volume is a property of matter sent24: atom is a kind of particle sent25: atoms are made of particles

Question: Which part of an atom occupies the majority of the volume?

Answer: electrons

Hypothesis: electrons are part of an atom that take up the majority of the volume in an atom


Context: sent1: as the temperature increases, the particles in the matter will move faster and farther apart sent2: particles in a liquid are closer together than particles in a gas sent3: near; close is the opposite of far; away sent4: particles in gas are the farthest away from each other among gas, liquid, and solid state of matter sent5: particles in a solid are slower than particles in a liquid sent6: as the temperature of a substance; an object decreases , the molecules in that substance will move slower; closer sent7: fast is the opposite of slow sent8: close means low in distance sent9: lower is similar to decreasing sent10: if the particles are farther away from each other, then the vibrations of particles will spread slower sent11: liquid is a kind of state of matter sent12: reducing is similar to slowing sent13: as the temperature of a substance decreases , the molecules in that substance will move slower and closer together sent14: closer means lower; less; a decrease in distance sent15: particles in solid are closest to each other among gas, liquid, and solid state of matter sent16: if the particles are closer to each other, then the vibrations of particles will travel faster sent17: particles in a solid are closer together than particles in a liquid sent18: slowest means lowest in speed sent19: liquid is a kind of state of matter sent20: particles in a liquid are close to each other sent21: matter; materials; substances are made of atoms; particles sent22: slowly is similar to decreased rate sent23: to slow; to slow down decreases speed sent24: particles in a liquid are slower than particles in a gas sent25: near means close

Question: Which statement is true about the particles of a liquid compared to the particles of a gas?

Answer: Particles of a liquid are slower and closer together.

Hypothesis: particles in a liquid are closer together and slower than particles in a gas

Particles of a liquid are slower and closer together.


Context: sent1: burning is similar to combustion sent2: heat is a kind of energy sent3: wood burns sent4: if something is converted into something else then that something is turned into that something else sent5: if a process converts something into something else then that something is used in that process sent6: if a process converts something to something else, then that process is a source of that something else sent7: to convert means to change sent8: fire causes burning sent9: if a process converts something into something else, then that process is a source of that something else sent10: heat is a kind of heat energy sent11: fire causes burning sent12: if a thing converts something into something else then that thing uses that something sent13: energy transformation means one kind of energy changes into another kind of energy sent14: to convert something into something else means to turn something into someting else sent15: to transform means to convert sent16: energy transformation means energy conversion sent17: to combust means to catch fire sent18: fire gives off light; heat; smoke sent19: if a process converts something into something else then that process is a source of that something else sent20: burning converts chemical energy into thermal energy sent21: a flame are a part of a fire sent22: combustion means fire converts chemical energy into light energy and heat energy sent23: fire causes burning on objects sent24: a flame are a part of a fire sent25: energy conversion is similar to energy transformation

Question: Which of these is true when a piece of wood is completely burned in a fire?

Answer: The energy in the wood is transformed.

Hypothesis: the chemical energy in wood is transformed into thermal energy


Context: sent1: water contains dissolved oxygen sent2: combining two substances chemically causes chemical reactions sent3: gas is a kind of substance sent4: a liquid is a kind of substance sent5: water is a kind of substance sent6: water is a kind of substance sent7: water is a kind of liquid sent8: oxygen is a kind of element sent9: water is made of hydrogen and oxygen chemically combined sent10: hydrogen is a pure substance sent11: water is the solvent sent12: an element is a kind of substance sent13: a liquid is a kind of substance sent14: an element is a kind of substance sent15: oxygen is a kind of gas at room temperature sent16: combining; mixing two substances chemically causes chemical reactions sent17: chemical reactions cause new substances to form sent18: a chemical is a kind of substance sent19: chemical reactions cause new substances; different substances to form sent20: oxygen is a kind of gas sent21: oxygen is a kind of element sent22: oxygen combines with hydrogen sent23: to add means to combine sent24: gas is a kind of substance sent25: water is made of hydrogen and oxygen

Question: When oxygen combines with hydrogen, which substance is formed?

Answer: water

Hypothesis: oxygen combining with hydrogen will form water


Context: sent1: an atom is a kind of particle sent2: to retain means to remain sent3: to retain means to have sent4: an element is a kind of material sent5: atom is a kind of particle sent6: a metal is a kind of element sent7: an atom is a kind of object sent8: an atom is exceptionally small in size sent9: aluminum is a kind of material sent10: aluminum is a kind of matter sent11: the atom is the smallest unit; particle that has the properties of an element sent12: the atom is the smallest particle that has the properties of an element sent13: aluminum is a kind of metal sent14: an element is made of one kind of atoms sent15: an element is a kind of atom sent16: an element is a kind of material sent17: a molecule is a kind of particle sent18: a particle is a kind of object sent19: to retain means to not change sent20: an atom is a kind of object sent21: atoms are made of particles sent22: atom is a kind of particle sent23: matter; materials; substances are made of atoms; particles sent24: aluminum is a kind of element sent25: an element is made of one kind of atoms

Question: Aluminum is an element. Which of the following best describes the smallest particle of aluminum that retains all the properties of aluminum?

Answer: an atom

Hypothesis: aluminum atom is the smallest particle that has the properties of aluminum

the atom is the smallest unit / particle that has the properties of an element


Context: sent1: the periodic table is arranged in rows and columns sent2: according to is similar to be determined by sent3: if something can be used to determine a property of something else then that something can likely be used to determine that property of a part of that something else sent4: determining often requires measuring; observing sent5: scientists make observations sent6: identifying is similar to determining sent7: determining is similar to learning sent8: what something is made of is a property of that something sent9: a scientist is a kind of human sent10: the order of the elements in periodic table is determined by the atomic number of the elements sent11: a table is a kind of object sent12: the periodic table of elements can be used for predicting; determining the properties of an element sent13: the periodic table is a table displays elements sent14: an element is made of one kind of atoms sent15: an element is made of one kind of atoms sent16: a periodic table is a kind of scientific model sent17: an element is a kind of atom sent18: determining something often requires measuring that something sent19: if something is a property of something else then that something else determines that something sent20: a chemical property is a kind of property sent21: determine is similar to cause sent22: the periodic table is systematically organized according to the structure of the atoms of the elements sent23: hydrogen is a kind of element sent24: an object has properties sent25: a group; family in the periodic table means a column in the periodic table

Question: Which model is used by scientists to determine the properties of elements?

Answer: the Periodic Table

Hypothesis: the periodic table of elements is the model that can be used to determine the properties of elements

the periodic table of elements can be used for predicting / determining the properties of an element


Context: sent1: the temperature is 120 c sent2: water is in the gas state , called water vapor; steam , for temperatures between 373; 212; 100 and 100000000000 k; f; c sent3: water is in the gas state , called water vapor, for temperatures above 100 c sent4: water vapor is a kind of gas sent5: vapor is synonymous with gas sent6: evaporation means a substance changes from a liquid into a gas by increasing heat energy sent7: boiling;evaporation means matter; a substance changes from a liquid into a gas by increasing heat energy sent8: water is a kind of liquid sent9: water is in the gas state , called water vapor sent10: water is in the gas state , called water vapor / steam sent11: water is a kind of liquid at room temperature sent12: state means form sent13: steam;water vapor is a kind of water above 100 degrees celsius sent14: water vapor is water in gas state sent15: water is in the gas state , called water vapor / steam , for temperatures between 373 / 212 / 100 and 100000000000 k / f / c sent16: water is in the liquid state , called liquid water , for temperatures between 0 and 100 c sent17: water is a kind of liquid at room temperature sent18: water exists in liquid;solid;gas state on earth sent19: water is in the liquid state , called liquid water , for temperatures between 0 c and 100 c sent20: water is in the liquid state , called liquid water , for temperatures between 273; 32; 0 and 373; 212; 100 k; f; c sent21: water is in the liquid state, called water sent22: water is in the gas state , called water vapor / steam, for temperatures above 100 c sent23: water is in the liquid state , called liquid water sent24: water vapor is formed by water evaporating sent25: a state of something is a form of something

Question: At what temperature is water most likely to be in vapor form?

Answer: 120C

Hypothesis: the water will be water vapor when the temperature is 120 c


Context: sent1: burning is similar to combustion sent2: a fire requires oxygen to burn sent3: a flame are a part of a fire sent4: a lit candle converts chemical energy into light energy; heat energy sent5: a lit candle is covered in a large jar sent6: fire causes burning on objects sent7: as the amount of oxygen exposed to a fire increases the fire will burn longer sent8: if something is left out in the open then that something is exposed to oxygen sent9: a lit candle is on fire sent10: lighting a candle causes that candle to burn sent11: the fourth lit candle is placed in a vaccum sent12: to illuminate means to light up sent13: a source of something emits; produces; generates; provides that something sent14: light can travel through a vacuum sent15: a lit candle is covered in a small jar sent16: a candle is a kind of object sent17: fire causes burning sent18: fire causes burning sent19: fire gives off light; heat; smoke sent20: as the amount of oxygen exposed to a fire increases, the fire will burn more sent21: a lit candle is left out in the open sent22: to combust means to catch fire sent23: out is synonymous with outside sent24: a candle is a source of light when it is burned sent25: combustibility means the ability of combustion

Question: Four identical candles are set on a safe surface and lit. One is covered with a small-sized jar, one is covered with a large-sized jar, and one candle is left in the open. A fourth lit candle is placed in a vacuum. Which candle will most likely stay lit the longest?

Answer: the candle left out in the open

Hypothesis: the candle left out in the open stay burning the longest


Context: sent1: alcohol is a kind of liquid sent2: as heat increases , a flexible container containing gas will expand sent3: alcohol is a kind of liquid sent4: an increase is a kind of change sent5: liquids expand more than solids when heated sent6: increase means more sent7: a thermometer is used to measure temperature sent8: increasing heat causes thermal expansion sent9: height is a property of the size of an object sent10: contract is the opposite of expand sent11: rising means moving upward sent12: falling means height decreases sent13: rising means height; altitude increases sent14: if a material is heated , then the material will expand sent15: if something is exposed to air, then that something is in contact with air sent16: a glass thermometer is made of colored alcohol in a tube sent17: expand means increase in size sent18: expand is a kind of change sent19: an increase is a kind of change sent20: as the liquid in a tube expands , the height of the liquid in that tube will increase sent21: if gas is heated then that gas will expand; rise sent22: being on something; placed in something; placed over something means touching that something sent23: a thermometer is used to measure temperature of substance sent24: if a material is heated , then the material will expand sent25: greater means higher; more in value

Question: Colored alcohol is used in some glass thermometers. When placed in air of different temperatures, the column of alcohol rises or falls in the glass thermometer. Which of the following best explains why the height of the alcohol column changes?

Answer: The alcohol expands more than the glass when heated.

Hypothesis: the height of the alcohol liquid changes because alcohol is heated

The alcohol expands more than the glass when heated.


Context: sent1: sand is made of very small rocks; minerals sent2: to be used for something means to be required by that something sent3: tool means instrument sent4: a balance can be used to measure the mass of objects sent5: a balance is a kind of instrument for measuring mass; measuring weight sent6: determining something often requires measuring that something sent7: a balance is a kind of instrument sent8: to require something means to need something sent9: to be required means to be necessary sent10: must have means require sent11: a balance is a kind of tool sent12: if a unit for something is being measured, then it requires a measurement tool for measuring that something sent13: requiring something means needing that something sent14: a balance can measure a liquid's mass sent15: a balance is used for measuring the mass of an object sent16: a balance is used for measuring mass of a substance sent17: an instrument is a piece of equipment sent18: a balance is used to measure mass sent19: lab equipment is often used for measuring; observing sent20: essential means required sent21: determining often requires measuring; observing sent22: a balance is used for measuring mass;weight of an object; of a substance sent23: mass is a property of objects; matter sent24: sand is made of small particles sent25: according to is similar to be determined by

Question: Which piece of lab equipment is necessary to determine the mass of 2 teaspoons of sand?

Answer: balance

Hypothesis: determining the mass of the sand requires using a balance to measure the mass of the sand


Context: sent1: a graduated cylinder is a kind of instrument for measuring volume of liquids or objects sent2: water is in the liquid state, called water sent3: matter in the solid phase has definite volume sent4: a graduated cylinder is a kind of container sent5: matter in the liquid phase has definite volume sent6: water is a kind of substance sent7: freezing means a substance changes from a liquid into a solid by decreasing heat energy sent8: frozen means solid sent9: a graduated cylinder can be used to measure volume of a solid sent10: a graduated cylinder is used to measure volume of an object sent11: temperature change changes the volume of the object sent12: water is a kind of liquid at room temperature sent13: a graduated cylinder is used to measure the volume of a liquid sent14: water is a kind of liquid at room temperature sent15: freezing means matter; a substance changes from a liquid into a solid by decreasing heat energy sent16: a graduated cylinder is used to measure volume sent17: a graduated cylinder is used to measure volume of a liquid; of an object sent18: freezing means a substance changes from a liquid to a solid sent19: measuring the volume of an object requires measuring the length, width, and the height of the object sent20: freezing means substance changes from a liquid into a solid by decreasing heat energy sent21: water is in the solid state , called ice sent22: water is a kind of substance sent23: water is a kind of liquid sent24: a graduated cylinder can be used to measure the volume of objects sent25: a graduated cylinder can measure a liquid's volume

Question: Angelo wants to know if the volume of water changes when it freezes. He measures the volume of water in its liquid state and then freezes it. Which tool did Angelo most likely use to measure the volume of the water?

Answer: a graduated cylinder

Hypothesis: a graduated cylinder can be used to measure the volume of liquid water and solid water ice

milliliters ml is a metric unit used for measuring volume


Context: sent1: volume is a property of matter sent2: the volume of something describes the amount of something sent3: volume is a measure of the size of an object by multiplying the length, width, and height of the object sent4: a graduated cylinder can be used to measure the volume of objects sent5: a graduated cylinder is used to measure volume of an object sent6: if a unit for something is being measured, then it requires a measurement tool for measuring that something sent7: the volume of an object can be used to describe the size of that object sent8: a graduated cylinder can be used to measure volume of a solid sent9: size; amount of space means volume sent10: a graduated cylinder is used to measure volume sent11: a piece of something is a kind of object sent12: a part of; piece of an object is smaller in size than the entire object; whole object sent13: a graduated cylinder is a kind of instrument for measuring volume of liquids or objects sent14: a graduated cylinder is used to measure the volume of a liquid sent15: a graduated cylinder is a kind of container sent16: volume is a property of matter sent17: density is a measure of mass of an object over volume; divided by volume sent18: granite is a kind of rock sent19: instrument means tool sent20: measuring the volume of an object requires measuring the length, width, and the height of the object sent21: tool means instrument sent22: a piece of granite is a kind of object sent23: volume is a property of objects sent24: a graduated cylinder is used to measure volume of a liquid; of an object sent25: a graduated cylinder can measure a liquid's volume

Question: Which measurement tool is used to find the volume of a small piece of granite?

Answer: graduated cylinder

Hypothesis: a graduated cylinder can be used to measure volume of a piece of granite


Context: sent1: a student is a kind of human sent2: magnifying makes seeing small things easier sent3: a student is a kind of object sent4: an insect usually has a small size sent5: a magnifying glass is a kind of tool for observing small things sent6: a living thing is a kind of object sent7: an example of an assistive device is a contact lens sent8: a microscope is used to see small things; microscopic things; specimens by scientists by making them appear bigger sent9: optical tools are used for observing materials up close; in greater detail sent10: the insect is small in size sent11: to observe an object of small size requires the use of magnifying glass sent12: magnifying glass is used to see small things by making objects appear bigger sent13: a living thing is a kind of object sent14: a microscope is used to see small things by making them appear bigger sent15: lenses are a kind of object sent16: an insect is a kind of animal sent17: a hand lens is a kind of magnifying glass sent18: a convex lens causes light to refract and concentrate to magnify distant objects sent19: a hand lens; a magnifying lens is synonymous with a magnifying glass sent20: a part of; piece of an object is smaller in size than the entire object; whole object sent21: magnifying makes seeing small things easier through using a magnifying glass; using a microscope sent22: a microscope is a kind of optical tools for observing small things sent23: magnifying makes seeing small things easier through using a magnifying glass sent24: a microscope is a kind of tool for observing small things sent25: observe means see

Question: A student uses a hand lens to observe which of these objects?

Answer: an insect

Hypothesis: a hand lens can help seeing the insect by magnifying the insect


Context: sent1: white is a kind of color sent2: a hand lens is a kind of magnifying glass sent3: magnifying makes seeing small things easier through using a magnifying glass sent4: magnifying makes seeing small things easier sent5: spotted is a kind of color pattern sent6: a hand lens; a magnifying lens is synonymous with a magnifying glass sent7: a microscope is a kind of tool for observing small things sent8: a spotted means having spots sent9: a magnifying glass is a kind of tool for observing small things sent10: to get a better look at means to see better sent11: to observe an object of small size requires the use of magnifying glass sent12: magnifying glass is used to see small things by making objects appear bigger sent13: magnifying makes seeing small things easier through using a magnifying glass; using a microscope sent14: as the size of an object appears larger , that object will be seen;be observed more easily; better sent15: if an object is white then that object reflects all visible light sent16: optical tools are used for observing materials up close; in greater detail sent17: a tool is a kind of object sent18: a white object reflects all visible light sent19: lenses are a kind of object sent20: better look means see better sent21: a leaf is a part of a plant sent22: spots are a part of some organisms sent23: a microscope is used to see small things by making them appear bigger sent24: tool means instrument sent25: spotted is a kind of coloration

Question: A student is growing some plants for an experiment. She notices small white spots on the leaves. Which tool should she use to get a better look at the spots?

Answer: hand lens

Hypothesis: a hand lens can be used to see a leaf by magnification


Context: sent1: construction means building sent2: height is a property of the size of an object sent3: a house is a kind of building sent4: a tree is a kind of plant sent5: meters;centimeters;kilometers are used to describe distance; describe length sent6: a meter stick is a kind of tool for measuring length sent7: a meter stick is a kind of tool for measuring length; measuring distance sent8: a meter stick is used to measure distance; height; length sent9: meters m are a metric / si unit used for measuring length sent10: a tool is a kind of object sent11: if a unit for something is being measured, then it requires a measurement tool for measuring that something sent12: instrument means tool sent13: a meter stick can be used to measure the length sent14: a door is a kind of object sent15: height is a measure of length from the top of an object to the bottom of an object sent16: meters m are a metric; si unit used for measuring length; distance generally used for values between 10 and 10000 sent17: taller means greater in height; size sent18: a tree is a kind of plant sent19: a stick is a kind of object sent20: a meter stick is used to measure distance sent21: length is a part of size sent22: length is a part of size sent23: tool means instrument sent24: a stick is a kind of object sent25: a meter is a kind of unit for measuring distance; measuring length

Question: Henry and Emily are building a tree house. Which tool should be used to measure the height of the door?

Answer: meter stick

Hypothesis: a meter stick can be used to measure the height of the door


Context: sent1: a living thing is a kind of object sent2: the properties of something are used for describing that something sent3: picometer pm are a metric unit used for measuring length; distance generally used for values between 10 and 10000 sent4: measuring is used for describing an object sent5: length is a part of size sent6: centimeters cm are a metric unit used for measuring length sent7: decimeters dm are a metric unit used for measuring length; distance generally used for values between 10 and 100 sent8: centimeters cm are a metric unit used for measuring length; distance generally used for values between 10 and 2500 sent9: length is a property of the shape of an object sent10: meters m are a metric / si unit used for measuring length sent11: meters m are a metric; si unit used for measuring length; distance generally used for values between 10 and 10000 sent12: centimeter is usually used to measure short length sent13: inch in is a imperial unit used for measuring length; distance sent14: length is a part of size sent15: a meter is a kind of unit for measuring distance; measuring length sent16: size is a property of objects and includes ordered values of microscopic; tiny; small; medium; large sent17: meters;centimeters;kilometers are used to describe distance; describe length sent18: cubic centimeter cm^3 is a metric unit used for measuring volume sent19: a living thing is a kind of object sent20: a centimeter is used for measuring short lengths; short distances sent21: millimeters mm are a metric unit used for measuring length; distance generally used for values between 10 and 1000 sent22: height is a measure of length from the top of an object to the bottom of an object sent23: a kind of is similar to a form of sent24: height is a property of the size of an object sent25: a centimeter is a kind of unit of measurement

Question: Which metric unit is used to describe an object's length?

Answer: centimeter (cm)

Hypothesis: centimeter is a metric unit used to describe the length of an object

a centimeter is used for measuring short lengths / short distances

centimeters cm are a metric unit used for measuring length / distance generally used for values between 1 and 250


Context: sent1: a meter is a kind of unit for measuring distance; measuring length sent2: meters m are a metric; si unit used for measuring length; distance generally used for values between 10 and 10000 sent3: a ramp is a kind of object sent4: a vehicle is a kind of object sent5: meters;centimeters;kilometers are used to describe distance; describe length sent6: a vehicle is used for travel sent7: a car is a kind of object sent8: moving is similar to travelling sent9: a car is a kind of vehicle sent10: a student is a kind of human sent11: yards yd are a imperial unit used for measuring length sent12: a car is a kind of automobile sent13: an automobile is a kind of vehicle sent14: a ramp is a kind of object sent15: a car is a kind of object sent16: meters m are a metric / si unit used for measuring length sent17: speed is a measure of distance travelled by an object over time; divided by time; per unit of time sent18: a yard is 09144 meter sent19: ramp is a kind of surface sent20: 1 yard equals to 09 meter sent21: a vehicle is a kind of object sent22: yards yd are a imperial unit used for measuring length; distance generally used for values between 10 and 10000 sent23: distance moved; distance travelled is a measure of how far an object moves sent24: yard is an imperial unit used for measuring length sent25: an automobile is a kind of vehicle

Question: A student is measuring the distance a car travels down a ramp using yards. Which measurement is most similar in length when using the metric system of measurement?

Answer: meter

Hypothesis: meter is the metric unit that is the most similar to yard

meters m are a metric / si unit used for measuring length / distance generally used for values between 1 and 1000


Context: sent1: matter is a kind of substance sent2: a student is a kind of human sent3: melting means a substance changes from a solid into a liquid by increasing heat energy sent4: if a material; a substance is a mixture of two or more materials or substances then that material; substance is made; is formed; contains those materials; substances sent5: a solution is a mixture sent6: a powder mix is a kind of substance sent7: a mixture is made of two or more substances combined together sent8: rice cereal; cereal is a kind of food sent9: a mixture is a kind of substance sent10: a liquid is a kind of substance sent11: food is a kind of substance sent12: melted marshmallow is a kind of substance sent13: a marshmallow is a kind of food sent14: melting means substance changes from a solid into a liquid by increasing heat energy sent15: melting means matter; a substance changes from a solid into a liquid by increasing heat energy sent16: a student combined rice cereal and marshmallows together sent17: substances are made of matter sent18: rice cereal is a kind of substance sent19: an mixture is formed by two or more substances combined together physically sent20: melted marshmallow is a kind of food sent21: food is a kind of substance sent22: to add means to combine sent23: to be a combination of means to be made of sent24: substances are made of matter sent25: melting is when solids are heated above their melting point

Question: A student combined rice cereal with melted marshmallows. Which best describes what the student made?

Answer: a mixture

Hypothesis: the student made a mixture by combining two substances together


Context: sent1: a mixture is a kind of substance sent2: salt is a kind of pure substance sent3: an mixture is formed by two or more substances combined together physically sent4: in the solution salt water , the solute is salt sent5: salt is a kind of pure substance sent6: a mixture is made of two or more substances combined together sent7: seawater is a kind of salt water sent8: a solution is made of one substance dissolved in another substance sent9: in the salt water solution , the solvent is water sent10: salt is soluble in water sent11: salt water is made of salt and water sent12: if a material; a substance is a mixture of two or more materials or substances then that material; substance is made; is formed; contains those materials; substances sent13: in the salt water solution, the solvent is water sent14: salt water is a kind of water sent15: a solution is a mixture sent16: in the solution salt water , the solvent is water sent17: salt water contains salt sent18: saltwater is a kind of substance sent19: salt water is a kind of solution sent20: salt dissolves in water when they are combined sent21: in the salt water solution , the solute is salt sent22: salt water is a kind of substance sent23: saltwater is a kind of substance sent24: a solution is formed by one substance being dissolved in another substance sent25: salt is the solute

Question: Which of these is a mixture?

Answer: salt water

Hypothesis: salt water is a kind of mixture


Context: sent1: to be a combination of means to be made of sent2: sterling silver is a kind of metal sent3: aluminum is a kind of metal sent4: brass is made of copper and zinc sent5: sterling silver is a kind of alloy sent6: aluminum is a kind of material sent7: an alloy is made of two or more metals sent8: alloy is a mixture of different metals sent9: copper is a kind of material sent10: gold is a kind of element sent11: aluminum is a kind of element sent12: brass is a kind of alloy sent13: a metal is a kind of element sent14: lead is a kind of element sent15: silver is a kind of metal sent16: iron is a kind of metal sent17: tin is a kind of element sent18: a compound is made of two or more elements chemically combined sent19: copper is a kind of metal sent20: metals are made of metal sent21: copper is a kind of element sent22: gold is a kind of metal sent23: iron is a kind of metal sent24: zinc is a kind of metal sent25: to add means to combine

Question: Sterling silver is a combination of silver and copper. Which of the following is also a combination of two or more metals?

Answer: brass.

Hypothesis: brass is a kind of alloy


Context: sent1: a solution is made of one substance dissolved in another substance sent2: if a material; a substance is a mixture of two or more materials or substances then that material; substance is made; is formed; contains those materials; substances sent3: sugar is the solute sent4: water is a kind of substance sent5: dissolution is similar to dissolving sent6: sugar water is a kind of solution sent7: if something is soluble in something , then that something can be dissolved in something forming a solution sent8: a solute can be dissolved in a solvent when they are combined sent9: water is a kind of substance sent10: water is the solvent sent11: sugar is soluble in water sent12: water is a kind of liquid sent13: in the solution sugar water , the solvent is water sent14: sugar is a kind of pure substance sent15: a kind of something is an example of that something sent16: a mixture is a kind of substance sent17: sugar dissolves in water when they are combined sent18: a mixture is made of two or more substances combined together sent19: sugar is made of sugar crystals sent20: water is a kind of liquid at room temperature sent21: a solution is formed by one substance being dissolved in another substance sent22: sugar is a kind of pure substance sent23: a solution is a mixture sent24: an mixture is formed by two or more substances combined together physically sent25: in the solution sugar water , the solute is sugar

Question: Which of the following is an example of the formation of a mixture?

Answer: sugar crystals dissolving in water

Hypothesis: sugar water is a mixture


Context: sent1: a chemical property is the opposite of a physical property sent2: if something undergoes physical change then the chemical properties of that something will remain unchanged sent3: if solids are combined physically , then the physical properties of the solids will stay the same sent4: a solution is a mixture sent5: a solid is a kind of substance sent6: a mixture is made of two or more substances combined together sent7: to maintain means to not change sent8: a solid is a kind of substance sent9: stay the same means not changing sent10: to retain means to remain sent11: mixture means solids combined together that maintain their physical properties sent12: if two substances together form a mixture then those substances can be separated from one another by physical changes sent13: a mixture is a kind of substance sent14: state of matter at room temperature is a kind of physical property sent15: if a material; a substance is a mixture of two or more materials or substances then that material; substance is made; is formed; contains those materials; substances sent16: a mixture usually is made of objects with different physical properties sent17: maintain is similar to control sent18: to be a combination of means to be made of sent19: a physical property is a kind of property sent20: to remain means to not change sent21: different solids are combined physically sent22: maintaining is similar to having sent23: to remain means to stay the same sent24: an mixture is formed by two or more substances combined together physically sent25: state of matter is a kind of physical property

Question: Solids that are combined together and maintain their physical properties are best labeled as a

Answer: mixture.

Hypothesis: different solids that are combined will become a mixture


Context: sent1: settling below is the opposite of floating sent2: oil is a kind of liquid sent3: high is similar to increase sent4: being on something; placed in something; placed over something means touching that something sent5: buoyant means able to float in a liquid or gas sent6: placing an object into a liquid causes the volume of the liquid to increase by the volume of object under the liquid sent7: if an object is placed in a substance; in a location that is colder then that object will cool to the same temperature of that substance; of that location sent8: water is a kind of liquid sent9: water is the solvent sent10: less dense liquids; particles in liquids; materials float liquids; particiles in liquids; materials that are more dense sent11: water is a kind of substance sent12: as the surface area of an object increases , the ability of the object to float in an liquid; in a gas will increase sent13: water is a kind of liquid at room temperature sent14: less dense particles in liquids float on liquids that are more dense sent15: oil is insoluble in water sent16: water is more dense than oil sent17: less dense liquids float on liquids that are more dense sent18: to place in is similar to to move to sent19: being in something means touching that something sent20: water is a kind of substance sent21: in water means underwater sent22: oil is a kind of liquid sent23: oil is a kind of substance; matter sent24: water is a kind of liquid at room temperature sent25: if an object is placed in a liquid , then the increased volume of the liquid will be equal to the volume of that object

Question: What happens when oil is placed in water?

Answer: The oil floats on top of the water.

Hypothesis: oil will float on water


Context: sent1: two samples are the same substance sent2: similarity means the same property sent3: similar means in common sent4: if two objects are similar , then the two objects share properties sent5: different substances are different in density sent6: density is a measure of mass of an object divided by volume sent7: same means identical; equal in value; amount; number; quantity sent8: if two substances are made of different elements , then the substances will have different density sent9: in common is similar to the same sent10: density is a kind of physical property sent11: an object has properties sent12: the intensive property of something is the same for the things of same kind sent13: a solid is a kind of substance sent14: a sample is a kind of matter sent15: specimen is similar to sample sent16: if something requires something else then that something else may be common in that something sent17: density is a measure of mass of an object over volume; divided by volume sent18: a student is a kind of human sent19: the property of something is the same for the things of same kind sent20: density is an intensive property sent21: density is a property of an object; a substance and includes ordered values of dense; not dense sent22: density can be calculated by measuring the mass of an object divided by the volume of that object sent23: dense means high in density sent24: a solid is a kind of substance sent25: density is an intensive property of substance

Question: A student has two solid samples of the same substance. Which property do the substances most likely have in common?

Answer: density

Hypothesis: two samples will have the same density

the intensive properties of a substance will stay the same


Context: sent1: copper is a kind of element sent2: best means most positive sent3: metal is an electrical conductor sent4: copper is a kind of metal sent5: plastic is an electrical; electrical energy insulator sent6: rubber is an electrical; electrical energy insulator sent7: conductivity is a property of a material sent8: metals usually have higher conductivity than nonmetals sent9: metals usually have greater conductivity than nonmetals sent10: an insulator is a kind of material sent11: an electrical conductor is conductive sent12: metal is a kind of material sent13: metal is an electrical conductor sent14: metal is an electrical; electrical energy conductor sent15: an insulator is the opposite of a conductor sent16: metal is a kind of material sent17: conductivity is a property of a material; substance sent18: electrical conduction is when metals; electrical conductors conduct electricity through a wire;electrical conductor;metal sent19: plastic is usually an electrical insulator sent20: plastic is a kind of electrical insulator sent21: a good conductor is a conductor sent22: metals usually have higher; greater conductivity than nonmetals sent23: plastic is an electrical insulator sent24: copper is a kind of material sent25: better means good

Question: Some materials are electrical conductors. Which material best conducts electricity?

Answer: copper

Hypothesis: copper is a material that is an electrical conductor

metal is an electrical / electrical energy conductor


Context: sent1: sugar is a kind of pure substance sent2: sugar water is a kind of solution sent3: water is a kind of liquid at room temperature sent4: if something is soluble in something , then that something can be dissolved in something forming a solution sent5: sugar is a kind of solid sent6: water is a kind of liquid at room temperature sent7: sugar is a kind of pure substance sent8: water is the solvent sent9: a solution is formed by one substance being dissolved in another substance sent10: if something is used to dissolve substances , then that something is the solvent sent11: a solution is made of one substance dissolved in another substance sent12: a sugar cube is made of sugar sent13: a solute can be dissolved in a solvent when they are combined sent14: a cube is a kind of object sent15: water is a kind of substance sent16: in the solution sugar water , the solute is sugar sent17: sugar is a kind of simple carbohydrate sent18: sugar dissolves in water when they are combined sent19: if something is dissolved , then that something is the solute sent20: water is a kind of liquid sent21: dissolution is similar to dissolving sent22: in the solution sugar water , the solvent is water sent23: sugar is the solute sent24: water is a kind of substance sent25: sugar is soluble in water

Question: Which of these dissolve in water?

Answer: Sugar cubes

Hypothesis: sugar cubes will dissolve in water when they are combined


Context: sent1: to categorize means to classify sent2: a leaf is a kind of object sent3: a leaf is a part of a plant sent4: to perform a process can mean to use a process sent5: shape is a property of an object sent6: to classify means to decide what class something belongs to sent7: a leaf is a kind of object sent8: structure is similar to shape sent9: classifying means grouping objects / materials by their properties sent10: classifying is similar to telling the difference sent11: classifying is when one sorts something by kind; type sent12: classification is a kind of process sent13: students group leaves by shape sent14: to belong to a group means to be a kind of something sent15: sorting is similar to classifying sent16: a leaf is a part of a green plant sent17: differentiate is similar to classify sent18: to belong to a group means to be classified in that group sent19: classifying means grouping objects; materials by their properties sent20: classifying is a kind of science process sent21: a kind of something is classified as that something sent22: a leaf is a kind of plant sent23: classifying is when one sorts something by type sent24: grouping means putting; placing in different groups sent25: classifying means grouping objects by their properties

Question: Students are studying some leaves. They group the leaves by shape. Which science process are the students using when they put the leaves in different groups?

Answer: classifying

Hypothesis: students are classifying the leaves by their properties


Context: sent1: mass is a property of objects; matter sent2: must have means require sent3: matter; materials; substances are made of atoms; particles sent4: mass is a measure of the amount of matter in an object sent5: weight is a measure of the force of the gravity on the mass of an object sent6: weight is a property of objects; matter sent7: a star is a kind of celestial object; celestial body sent8: objects are made of materials; substances; matter sent9: a planet is a kind of celestial object; body sent10: mass is a kind of physical property sent11: mass; weight is an extensive property sent12: earth is a kind of celestial object sent13: materials are made of matter sent14: an object has properties sent15: mass is a property of objects sent16: a living thing is a kind of object sent17: to contain something means to have that something sent18: mass means the amount of matter that makes up an object sent19: objects are made of matter sent20: made of is similar to contains sent21: a living thing is a kind of object sent22: mass is a property of matter sent23: matter is a kind of material sent24: mass is similar to size sent25: the property of something is the same for the things of same kind

Question: Which statement is true for all objects?

Answer: All objects have mass.

Hypothesis: all objects have mass