niryuu/sni-each-converted huggingface dataset:
Question: Rich is examining a cold particle and a hot particle. Which likely moves the fastest? 
 Option1: the hot particle 
 Option2: the cold particle 
 Explanation: At higher temperatures, particles of reactants have more energy, so they move faster. They are more likely to bump into one another and to collide with greater force.
Output: the hot particle
Question: When we look at the solar system planets are more far apart 
 Option1: closer to the sun 
 Option2: farther from the sun 
 Explanation: In general, the farther away from the Sun, the greater the distance from one planets orbit to the next.
Output: farther from the sun
Question: A place with a _____ water table means wells can be dug at deeper depths. 
 Option1: high 
 Option2: low 
 Explanation: As the water is pumped out, the water table slowly falls, requiring wells to be dug deeper, which takes more money and energy.
Output: low
Question: Carter puts two rocks outside; one is a soft pebble, the other is a solid stone. A year later, he checks on the rocks. The solid stone is still there because it has a resistance that is 
 Option1: greater 
 Option2: lesser 
 Explanation: Different types of rocks weather at different rates. More resistant types of rocks will remain longer.
Output: greater
Question: Suppose that Mary hasn't started smoking yet. If you measured the oxygen levels in her blood now and compared them to oxygen levels after she's been smoking for 20 years, what would you find? 
 Option1: less oxygen in her blood now 
 Option2: more oxygen in her blood now 
 Explanation: Smoking reduces the amount of oxygen available for diffusion at the lungs, so less oxygen gets absorbed and blood is oxygenated to a lesser degree.
Output: more oxygen in her blood now
Question: When you go into a cave, the rocks at deeper levels are _____ than the rocks on the surface. 
 Option1: younger 
 Option2: older 
 Explanation: The main law is the law of superposition. This law states that deeper rock layers are older than layers closer to the surface.
Output: older
Question: Mike takes deep breaths, and knows that his chest volume is fairly sizable. Considering his chest size, the air pressure outside the lungs, compared to the air pressure inside, is 
 Option1: lower 
 Option2: higher 
 Explanation: During inhalation, because the chest volume is larger, the air pressure inside the lungs is lower than the air pressure outside.
Output: higher
Question: A planet with a small orbit will take _____ time to revolve around the Sun than one with a long orbit. 
 Option1: more 
 Option2: less 
 Explanation: The planets further from the Sun will have bigger orbits, and therefore take longer to revolve around the Sun.
Output: less
Question: If a dim light were shined in a person's eye, would their pupil size 
 Option1: grow 
 Option2: shrink? 
 Explanation: The pupil automatically gets bigger or smaller to let more or less light in as needed.
Output: grow
Question: A container that has more particles in it will have a 
 Option1: higher pressure 
 Option2: lower pressure. 
 Explanation: More particles inside the container means more collisions, and more collisions mean a higher pressure.
Output: higher pressure
Question: Going shallower into water will result in a _____ temperature. 
 Option1: warmer 
 Option2: colder 
 Explanation: Water also gets colder as you go deeper.
Output: warmer
Question: Will adds salt to the pot of water. The water's volume is now 
 Option1: less dense 
 Option2: denser 
 Explanation: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.
Output: denser
Question: A particle with less energy will vibrate _____ than one with less energy. 
 Option1: more 
 Option2: less 
 Explanation: The more energy the particles in matter have, the faster and more strongly they vibrate.
Output: less
Question: If Milo increases the concentration of hydrogen ions in his swimming pool, what happens to the acidity of his pool? 
 Option1: increases 
 Option2: decreases 
 Explanation: With a higher concentration of hydrogen ions, a solution is more acidic but has a lower pH.
Output: increases
Question: If you break up something before putting it into water it will dissolve 
 Option1: slower 
 Option2: faster 
 Explanation: Therefore, increasing the surface area of solid reactants increases the reaction rate.
Output: faster
Question: Jefferson built a faulty farm machine that decreased food production. This likely will cause the population's lifespan to 
 Option1: increase 
 Option2: decrease 
 Explanation: New farm machines were invented. They increased the amount of food that could be produced. With more food, people were healthier and could live longer.
Output: decrease
Question: If the rate of flow in a river were increased, what would happen to the size of sediment particles being deposited on the riverbed? 
 Option1: smaller particles would be deposited 
 Option2: larger particles would be deposited 
 Explanation: The size of the eroded particles depends on the velocity of the water. Eventually, the water deposits the materials. As water slows, larger particles are deposited. As the water slows even more, smaller particles are deposited.
Output: larger particles would be deposited
Question: Eric is surfing. The smaller wave can likely push him 
 Option1: farther 
 Option2: less far 
 Explanation: Bigger waves have more energy.
Output: less far
Question: Water falling down a tall mountain will move 
 Option1: slower 
 Option2: faster 
 Explanation: Water flowing over a steeper slope moves faster and causes more erosion.
Output: faster
Question: Anna swims across the surface of a lake and later she plunges several feet below the surface to explore. At which depth will the temperature of the water be colder 
 Option1: surface of water 
 Option2: several feet deep in water? 
 Explanation: Water also gets colder as you go deeper.
Output: several feet deep in water?
Question: A dolphin is swimming through waves in the ocean. The dolphin jumps out of the water then falls back in, creating a wave through the dolphin's disturbing the water. Nearby, turtle flaps it's fin and makes another wave. The waves the dolphin made will have an amplitude that is 
 Option1: lesser 
 Option2: greater 
 Explanation: A wave caused by a disturbance with more energy has greater amplitude.
Output: greater
Question: Mo has a wave with a short wavelength. He notices the wavelength growing over time. The wave now has _____ energy. 
 Option1: less 
 Option2: more 
 Explanation: Waves with shorter wavelengths have more energy.
Output: less
Question: Dan is snapping a rubber band at Sarah. He stretches the band as much as he can before he snaps it this time, which will mean its potential energy is 
 Option1: large 
 Option2: small 
 Explanation: The more an elastic object is stretched or compressed, the greater its elastic potential energy is.
Output: large
Question: A decrease in protein production indicates _____ ribosomes on the ER. 
 Option1: more 
 Option2: less 
 Explanation: The folds present in the membrane increase the surface area allowing more ribosomes to be present on the ER, thereby allowing greater protein production.
Output: less
Question: Which object likely contains less energy? 
 Option1: a pinhead 
 Option2: the sun 
 Explanation: An object with greater mass or greater velocity has more kinetic energy.
Output: a pinhead
Question: If Jim's pupil gets smaller, what will happen to the amount of light that enters his eye? 
 Option1: more light will enter 
 Option2: less light will enter 
 Explanation: The pupil automatically gets bigger or smaller to let more or less light in as needed.
Output: less light will enter
Question: Does a car with a 4 cylinder engine have more power or less power than an 8 cylinder engine. 
 Option1: More 
 Option2: Less 
 Explanation: The more cylinders a car engine has, the more powerful its engine can be.
Output: Less
Question: If an animal is growing normally, it should develop _____ hair. 
 Option1: less 
 Option2: more 
 Explanation: As animals grow their bones get longer and bigger, they grow more hair, and are able to take care of themselves by getting food, shelter, and water.
Output: more
Question: If Mona is climbing up a mountain and she reaches a high elevation, what will happen to the air pressure? 
 Option1: increase 
 Option2: decrease 
 Explanation: Air pressure is less at higher elevations.
Output: decrease
Question: Compared to the Sun, which is an average star, would CFBDSIR 1458, the coldest star, be 
 Option1: brighter than the Sun 
 Option2: dimmer than the Sun? 
 Explanation: The hotter a main sequence star is, the brighter it is.
Output: dimmer than the Sun?
Question: Bob is testing samples of ocean water from different places. The sample of water from off India's coast has less dissolved carbon dioxide, than the sample of water from off the United States' coast. Therefore, the water from _____ coast is more acidic. 
 Option1: India's 
 Option2: United States' 
 Explanation: With higher levels of dissolved carbon dioxide in ocean water, the water becomes more acidic.
Output: United States'
Question: John was looking at the rocks, and noticed something. The less the metamorphism in the rock, the difficulty to tell what it was 
 Option1: Increased 
 Option2: Decreased 
 Explanation: The more extreme the amount of metamorphism, the more difficult it is to tell what the original rock was.
Output: Decreased
Question: Rich is examining a cold particle and a hot particle. Which likely moves the slowest? 
 Option1: the hot particle 
 Option2: the cold particle 
 Explanation: At higher temperatures, particles of reactants have more energy, so they move faster. They are more likely to bump into one another and to collide with greater force.
Output: the cold particle
Question: Mary is looking through her new telescope. She sees some objects in space that are exerting gravitational pulls on each other. If the first two objects are 50,000 miles apart, and the second set of objects are 100,000 miles apart from each other, then the gravitational pull of the first set of objects is 
 Option1: greater 
 Option2: less. 
 Explanation: The closer objects are, the stronger the gravitational pull between them.
Output: greater
Question: Mona is comparing the size of two atoms in her science lab. If she notices that one atom is smaller then the other, what does that tell her about the number of electrons it has? 
 Option1: more 
 Option2: less 
 Explanation: Bigger atoms have more electrons.
Output: less
Question: Will lives in England and Tony lives in Ethiopia. Whose country likely produces more hazardous waste? 
 Option1: Tony 
 Option2: Will 
 Explanation: Countries with more industry produce more hazardous wastes than those with little industry.
Output: Will
Question: Sarah's plants have been struggling to photosynthesize regularly, so that means that the plants now produce food in amounts that are 
 Option1: lesser 
 Option2: greater 
 Explanation: Less photosynthesis means that plants and phytoplankton produce less food.
Output: lesser
Question: John was watching the car being built. He observed that the larger the body size, the surface area to volume ration 
 Option1: Increased 
 Option2: Decreased 
 Explanation: Size restriction: The final body size is limited because as the body size increases, the surface area to volume ratio decreases.
Output: Decreased
Question: Kathy did some experiments on two different alkanes and one of the alkanes had twice as many carbon atoms than the other. She would notice that which alkane would require a higher temperature to melt 
 Option1: alkane with fewer carbon atoms 
 Option2: alkane with more carbon atoms? 
 Explanation: Alkanes with more carbon atoms have higher boiling and melting points, so some of them are solids at room temperature.
Output: alkane with more carbon atoms?
Question: Milo is older then Jerry. Who has the greater chance of developing cardiovascular disease? 
 Option1: Milo 
 Option2: Jerry 
 Explanation: The older a person is, the greater their chance of developing a cardiovascular disease.
Output: Milo
Question: A smoker's body works _____ just to get needed air. 
 Option1: less 
 Option2: more 
 Explanation: When a person smokes there are chemicals released by the tobacco that enter the lungs. Because the lungs have to work harder to remove the chemicals, the body has to work harder to get the air needed to survive.
Output: more
Question: A ball that is on the top of the empire state building about to be dropped off will have _____ potential energy than a ball on the ground. 
 Option1: more 
 Option2: less 
 Explanation: So the higher an object is above a surface, the more potential energy it has.
Output: more
Question: If Mona works in a defense lab and her company develops better missiles, what happens to the advancement of rocket technologies? 
 Option1: decreases 
 Option2: increases 
 Explanation: The development of better missiles fostered better rocket technologies.
Output: increases
Question: If Mona is holding two pieces of fruit and she moves them closer to each other, what happens to the gravitational force between the two fruits? 
 Option1: increase 
 Option2: decrease 
 Explanation: The further objects are away from each other, the smaller the gravitational force.
Output: increase
Question: Mona is building a circuit. If she subtracts resistors in parallel what happens to the total resistance of the circuit? 
 Option1: increase 
 Option2: decrease 
 Explanation: When we add resistors in parallel to each other the total resistance decreases and the current increases.
Output: increase
Question: Tony is laying cable that is 1 inch in diameter, while Rita lays cable that is 0.1 inches in diameter. Who's cable offers less resistance? 
 Option1: Tony 
 Option2: Rita 
 Explanation: Thicker resistors offer less resistance than thinner resistors.
Output: Tony
Question: If an acid is strong, it's concentration of ions will be 
 Option1: increased 
 Option2: decreased. 
 Explanation: A stronger acid produces a greater concentration of ions than a weaker acid.
Output: increased
Question: When we compress a spring down a lot what happens to the potential energy? 
 Option1: increases 
 Option2: decreases 
 Explanation: The farther the object is stretched or compressed, the greater its elastic potential energy is.
Output: increases
Question: If you are at a loud rock concert what will happen to your hearing? 
 Option1: increase 
 Option2: decrease 
 Explanation: The louder the sounds are, the less exposure is needed to cause hearing loss.
Output: decrease
Question: When something is gravitationally farther to something else it will go 
 Option1: slower 
 Option2: faster 
 Explanation: The Earth travels faster in its elliptical orbit when it is closer to the Sun than when it is farther away.
Output: slower
Question: Jan poured a liquid solution into a bottle and the solution was very dense, so in the bottle it took up 
 Option1: more room 
 Option2: less room 
 Explanation: More dense water takes up less space than less dense water.
Output: less room
Question: If you need to turn a screw more times that requires 
 Option1: less force 
 Option2: more force 
 Explanation: The trade-off when the threads are closer together, is that more turns of the screw or bolt are needed to do the job because the distance over which the input force must be applied is greater.
Output: more force
Question: Eric hears a sound that is very close. If this is the first sound he heard, this sound is likely 
 Option1: strong 
 Option2: weak 
 Explanation: The farther the sound waves travel away from the source, the more spread out their energy becomes.
Output: weak
Question: Jean and John were going to have a baby, and they are both in terrible shape. Jean and John are likely to have offspring in numbers that are 
 Option1: greater 
 Option2: smaller 
 Explanation: Genotypes with greater fitness produce more offspring and pass more copies of their alleles to the next generation.
Output: smaller
Question: If Jim eats animals that are higher on the food chain, the amount of toxic metals that enter his body are 
 Option1: greater 
 Option2: smaller 
 Explanation: The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.
Output: greater
Question: Dan is on a ship, and sees that the waves are getting small! Dan can deduce that it means that the wind is blowing 
 Option1: harder 
 Option2: softer 
 Explanation: The faster, longer, and farther the wind blows, the bigger the waves are.
Output: softer
Question: John is from Chile. When he visited a richer country, he noticed the use of energy resources there was 
 Option1: more 
 Option2: less. 
 Explanation: Richer nations use far more energy resources, especially fossil fuels, than poorer nations do.
Output: more
Question: Caucasian Americans have lighter skin than other Americans. Researchers were not surprised to discover therefore, that vitamin D insufficiency among Caucasian Americans is _____ than among other Americans? 
 Option1: more prevalent 
 Option2: less prevalent 
 Explanation: Pigments in the skin act like a filter that can prevent the skin from making vitamin D. As a result, people with darker skin need more time in the sun than people with lighter skin to make the same amount of vitamin D.
Output: less prevalent
Question: Dan wanted to be able to see the least light and detail when buying a telescope. Dan decided to buy a telescope that was 
 Option1: smaller 
 Option2: larger 
 Explanation: Larger telescopes can collect more light and see finer details than smaller telescopes.
Output: smaller
Question: Mona is creating a circuit board in her lab for work. If she decreases the thickness of the resistors on the board, what happens to the overall resistance of the circuit? 
 Option1: increases 
 Option2: decreases 
 Explanation: Thicker resistors offer less resistance than thinner resistors.
Output: increases
Question: John is playing around with different temperature settings on his bunsen burner. If he heats up a gas in the burner and then lets the gas cool down, what would happen to the gas particles as the temperature got lower? 
 Option1: they would slow down 
 Option2: they would speed up 
 Explanation: If the gas is cooled, the particles will move more slowly, because they will have less energy.
Output: they would slow down
Question: A small nation decided to lower its production capabilities and shut down several large factories. Would the river next to the factories have 
 Option1: more hazardous waste 
 Option2: less hazardous waste? 
 Explanation: Nations that have more industry produce more hazardous waste.
Output: less hazardous waste?
Question: What happens to the pressure inside of Jim's beaker if he decreases the amount of collisions between particles inside of it? 
 Option1: decreases 
 Option2: increases 
 Explanation: More particles inside the container means more collisions, and more collisions mean a higher pressure.
Output: decreases
Question: Does a car with an 8 cylinder engine have more power or less power than a 4 cylinder engine. 
 Option1: More 
 Option2: Less 
 Explanation: The more cylinders a car engine has, the more powerful its engine can be.
Output: More
Question: If current is increasing, there must be _____ resistance in the circuit. 
 Option1: more 
 Option2: less 
 Explanation: We can say that resistance and current in an electric circuit areinversely proportional, because as the one increases, the other decreases, and vice versa.
Output: less
Question: A farmer, using the newest farming practices, can expect to grow _____ crops. 
 Option1: more 
 Option2: less 
 Explanation: More advanced farming practices allowed a single farmer to grow food for many more people.
Output: more
Question: Mona is sitting at the beach watching the waves. If the wind starts blowing faster, what will happen to the size of the waves? 
 Option1: increase 
 Option2: decrease 
 Explanation: The faster, longer, and farther the wind blows, the bigger the waves are.
Output: increase
Question: A pair of lenses on glasses that are curved would refract 
 Option1: less light 
 Option2: more light 
 Explanation: The more curved the surface of a lens is, the more it refracts the light that passes through it.
Output: more light
Question: John started measuring the current, and notices that as the current got stronger the electromagnet became 
 Option1: Weaker 
 Option2: Stronger 
 Explanation: The more current, the stronger the electromagnet.
Output: Stronger
Question: If Milo removes mass from an object, what will happen to the force of gravity that object generates? 
 Option1: decreases 
 Option2: increases 
 Explanation: Objects with greater mass have a stronger force of gravity.
Output: decreases
Question: As the pressure in the atmosphere rises, the air temperature gets 
 Option1: warmer 
 Option2: cooler or 
 Explanation: Increasing air temperature decreases atmospheric pressure.
Output: cooler or
Question: If Jim decreased the speed of water flowing out of his bathroom tap, what would happen to the amount of energy being transferred by the water? 
 Option1: would increase 
 Option2: would decrease 
 Explanation: Faster-moving water has more energy.
Output: would decrease
Question: Between the United States, the richest nation in the world, and the Democratic Republic of Congo, the poorest nation in the world, which uses more gasoline per capita, 
 Option1: the people in the United States 
 Option2: the people in the Democratic Republic of Congo? 
 Explanation: Richer nations use far more energy resources, especially fossil fuels, than poorer nations do.
Output: the people in the United States
Question: Will draws some field lines very close to each other. This field is likely 
 Option1: strong 
 Option2: weak 
 Explanation: The closer the field lines are drawn together, the stronger the field being described.
Output: strong
Question: Jeff found some not very dense water. He knows it is not very dense because it takes up _____ space than dense water. 
 Option1: more 
 Option2: less 
 Explanation: More dense water takes up less space than less dense water.
Output: more
Question: Someone that works out in the gym all the time will likely have _____ muscles than someone who sits at home all day. 
 Option1: larger 
 Option2: smaller 
 Explanation: Aerobic exercise increases the size and strength of muscles in the heart and helps all your muscles develop greater endurance.
Output: larger
Question: You are conducting an experiment on alkenes and discover that your larger alkenes have _____ boiling and melting points than the smaller ones. 
 Option1: lower 
 Option2: higher 
 Explanation: Larger alkenes have lower boiling and melting points.
Output: lower
Question: After a car accident, Carla gained a lot of blood. At the hospital, the doctors tell her that her blood pressure is now 
 Option1: increased 
 Option2: decreased 
 Explanation: If blood volume in the body decreases, blood pressure decreases.
Output: increased
Question: After Sarah finishes her walk, she notices that her blood is not really pumping that hard. Sarah can know that since it's a cool day, she's giving off what kind of heat compared to usual? 
 Option1: more 
 Option2: less 
 Explanation: On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body.
Output: less
Question: When water loses salt the water becomes 
 Option1: more dense 
 Option2: less dense 
 Explanation: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.
Output: less dense
Question: If Jim decreases the amount of energy inside of a gas, the particles in the gas will move 
 Option1: more 
 Option2: less 
 Explanation: If the gas is cooled, the particles will move more slowly, because they will have less energy.
Output: less
Question: If Jim has two variables that are part of an inverse relationship, what will happen to the second variable if he decreases the first variable? 
 Option1: it increases 
 Option2: it decreases 
 Explanation: In an inverse relationship, when one variable increases, the other variable decreases.
Output: it increases
Question: Eric analyzes water while deep sea fishing and compares it to bottled water. The bottled has _____ nutrients than the deep sea water. 
 Option1: more 
 Option2: less 
 Explanation: Therefore, water nearer shore usually contains more dissolved nutrients than water farther from shore.
Output: less
Question: When animals are moving in the heat they are 
 Option1: faster 
 Option2: slower 
 Explanation: For a given medium, sound has a slower speed at lower temperatures.
Output: faster
Question: Polly was removing resistors from a circuit. Decreasing the resistance in this series circuit will cause the total current to 
 Option1: increase 
 Option2: decrease 
 Explanation: If we increase the resistance in a series circuit, by adding more resistors, then the total current decreases.
Output: decrease
Question: An elephant, compared to a puppy, is a larger size, and therefore the weight of the elephant, compared to the puppy, is 
 Option1: greater 
 Option2: lesser 
 Explanation: The larger the animal, the heavier the exoskeleton, making movement more difficult.
Output: greater
Question: An increase in the water table indicates _____ rain. 
 Option1: less 
 Option2: more 
 Explanation: The water table is higher when there is a lot of rain and lower when the weather is dry.
Output: more
Question: Ron pushed two balls close to each other. The balls now experience _____ gravitational force due to each other. 
 Option1: more 
 Option2: less 
 Explanation: As the distance between the objects increases, the force of gravitational attraction decreases.
Output: more
Question: When you use a 2 horsepower drill instead of a 1 horsepower drill it is 
 Option1: more powerful 
 Option2: less powerful 
 Explanation: Compared with a less powerful device, a more powerful device can either do more work in the same time or do the same work in less time.
Output: more powerful
Question: Ease of mobility _____ when the animal is increased in size. 
 Option1: increase 
 Option2: decrease 
 Explanation: The larger the animal, the heavier the exoskeleton, making movement more difficult.
Output: decrease
Question: Will small pieces have more or less surface area than one large piece? 
 Option1: less 
 Option2: more 
 Explanation: It would be hard to get a big chunk of chocolate to dissolve in your milk or hot water. Maybe you could make hot chocolate from some smaller pieces like chocolate chips, but it is much easier to add a powder to your milk. This is because the smaller the pieces are, the more surface area they have.
Output: more
Question: The ball began to drop slowly above the table. The lower it drops above the table, the potential energy will 
 Option1: decrease 
 Option2: increase. 
 Explanation: So the higher an object is above a surface, the more potential energy it has.
Output: decrease
Question: If Mona is building a structure and she wants to make it more functional, what would increasing the surface area of that structure do? 
 Option1: increase functioning 
 Option2: decrease functioning 
 Explanation: In Life Sciences it is important to note that whenever a structure has an increased surface area, there is an increase in the functioning of that structure.
Output: increase functioning
Question: Ron is trying to figure out how old some isotopes are. The isotopes are decaying very slowly, so they are likely specimens that are 
 Option1: older 
 Option2: younger 
 Explanation: Because these isotopes decay more slowly, they can be used to date much older specimens.
Output: older
Question: Mona is a scientist studying erosion at a university. She is observing a river. If she starts taking erosion measurements at the mouth of the river and moves up to the head of the river, what will she find happens as the slope gets less steep? 
 Option1: erosion decreases 
 Option2: erosion increases 
 Explanation: Water flowing over a steeper slope moves faster and causes more erosion.
Output: erosion decreases
Question: Mike was wiring up a new circuit to test it out. He observed that the more resistors he removed from the circuit. the overall resistance level 
 Option1: Increased 
 Option2: Decreased 
 Explanation: Increasing the number of resistors in a series circuit increases the overall resistance of the circuit.
Output: Decreased
Question: More waste being noted indicates _____ use of resources. 
 Option1: more 
 Option2: less 
 Explanation: Increased resource use generally means more waste; electronic waste from developed nations is a growing problem in the developing world.
Output: more
Question: When people breathe in their chest becomes 
 Option1: larger 
 Option2: smaller 
 Explanation: Exhaling, or breathing out, decreases the size of the chest, which increases air pressure inside the lungs.
Output: larger
Question: Mike is watching how particles of reactants function, and sees that they are crowded very close. Considering that the concentration of them is very high, the chance of them colliding together is 
 Option1: high 
 Option2: low 
 Explanation: At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.
Output: high
Question: Katie is looking at solid reactants, and is wondering how they will react. The reaction rate is decreased in surface areas which are 
 Option1: larger 
 Option2: smaller 
 Explanation: Therefore, increasing the surface area of solid reactants increases the reaction rate.
Output: smaller
Question: Evan was drinking water with pH 7. He also had bleach in his house of pH 12. Which liquid is less basic? 
 Option1: water 
 Option2: bleach 
 Explanation: The closer to pH 14, the more strongly basic the solution.
Output: water
Question: John was watching objects fall from the sky in the simulator. He observed that items with less mass will be pulled by gravity at a rate that is 
 Option1: Stronger 
 Option2: Weaker 
 Explanation: Gravity is a pull which all matter exerts on all other matter, the more mass, the stronger the pull.
Output: Weaker
Question: Milo breeds cats for a living. If he wants his cats to reduce a specific trait, what should he do to the amount of offspring each cat produces? 
 Option1: decrease 
 Option2: increase 
 Explanation: Natural selection is the process by which living things with beneficial traits produce more offspring, so their traits become more common over time.
Output: decrease
Question: Bob cools down some gas at the plant. When he does this, the gas particles move slower and 
 Option1: gain energy 
 Option2: lose energy. 
 Explanation: If the gas is heated, the particles will move faster as they gain more energy.
Output: lose energy.
Question: Angel traveled to New York, and experienced _____ pollution. 
 Option1: more 
 Option2: less 
 Explanation: For example, more people on the Earth means more people contributing to global warming and pollution.
Output: more
Question: If Mona lives in a country with poor access to food and another country begins reducing food supplies of her country, what happens to the death rate in Mona's country? 
 Option1: increases 
 Option2: decreases 
 Explanation: More recently, the death rate has fallen because of the availability of more food and medical advances.
Output: increases
Question: If Mary is building a rocket and she wants it to fly as high as possible, what should she do to the mass of the rocket? 
 Option1: increase it 
 Option2: decrease it 
 Explanation: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.
Output: decrease it
Question: Robin has an old computer that runs slowly, and Bryan has a powerful new computer. When working on the same task, the computer that will finish the task first is 
 Option1: Robin's 
 Option2: Bryan's 
 Explanation: Compared with a less powerful device, a more powerful device can either do more work in the same time or do the same work in less time.
Output: Bryan's
Question: Sarah ate a piece of shark meat for dinner, Sarah's levels of toxic metals have 
 Option1: decreased. 
 Option2: increased or 
 Explanation: The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.
Output: increased or
Question: Tina goes to the cold baths. Her temperature decreases, so the particles in her body will move 
 Option1: slower 
 Option2: faster 
 Explanation: The higher the temperature, the more energy the particles have and the faster they will move and diffuse.
Output: slower
Question: Micah is leaving the atmosphere, leaving in a rocket from the Earth's surface.As he's passing through the troposphere, the air is going to get 
 Option1: warmer 
 Option2: colder 
 Explanation: Air in the troposphere is warmer closer to Earths surface.
Output: colder
Question: When measuring atoms the further from the nucleus you get you have 
 Option1: less orbitals 
 Option2: more orbitals 
 Explanation: Energy levels farther from the nucleus of an atom have more orbitals.
Output: more orbitals
Question: If a lens loses its curvature, it will refract _____ light. 
 Option1: more 
 Option2: less 
 Explanation: The more curved the surface of a lens is, the more it refracts light.
Output: less
Question: If Jim wants to raise the pH of his solution he should do what to the concentration of hydrogen ions inside of it? 
 Option1: decrease 
 Option2: increase 
 Explanation: With a higher the concentration of hydrogen ions, a solution is more acidic and has a lower pH.
Output: decrease
Question: A heavy boulder begins rolling down a hill and a beach ball rolls down alongside it. Which object will have less momentum as it rolls? 
 Option1: boulder 
 Option2: beach ball 
 Explanation: The more mass a moving object has or the faster its moving, the greater its momentum.
Output: beach ball
Question: Wavelengths that are shorter will be 
 Option1: faster 
 Option2: slower 
 Explanation: This means that as wavelengths get shorter, more waves move past a particular spot in the same amount of time.
Output: faster
Question: Dan wants lunch, and Dan has some money. In order to get a lunch, Dan's money will 
 Option1: increase 
 Option2: decrease 
 Explanation: In an inverse relationship, when one variable increases, the other variable decreases.
Output: decrease
Question: When astronomers noticed a doubling of Sun spot activity, did they predict that the Earth's temperature would 
 Option1: increase 
 Option2: decrease? 
 Explanation: When there are more sunspots the Sun is more active and there are more solar storms and more of the Sun's energy reaches the Earth.
Output: increase
Question: Mona is designing a car in a factory. If she decides to add more cylinders to the car's engine, what happens to the power that engine can output? 
 Option1: increased 
 Option2: decreased 
 Explanation: The more cylinders a car engine has, the more powerful its engine can be.
Output: increased
Question: When April went for a run, she noticed that her heart was beating 
 Option1: faster 
 Option2: slower 
 Explanation: Warming up exercises increases the blood flow to the muscles and increases the heart rate.
Output: faster
Question: When Dan went to the beach, he found rocks that had been eroded. Some rocks were hardly weathered though, so those must have a resistance that is 
 Option1: higher 
 Option2: lower 
 Explanation: Different types of rocks weather at different rates. More resistant types of rocks will remain longer.
Output: higher
Question: If the population of India were to decrease, their people should expect to have _____ food available. 
 Option1: more 
 Option2: less 
 Explanation: As the population increases, the food supply, or the supply of another necessary resource, may decrease.
Output: more
Question: If Milo adds more carbon atoms to his alkane while working in his science lab, what happens to the melting point of that alkane? 
 Option1: increases 
 Option2: decreases 
 Explanation: Alkanes with more carbon atoms have higher boiling and melting points, so some of them are solids at room temperature.
Output: increases
Question: Air pressure inside the lungs will _____ when one exhales out deeply. 
 Option1: increase 
 Option2: decrease 
 Explanation: Inhaling, or breathing in, increases the size of the chest, which decreases air pressure inside the lungs.
Output: increase
Question: Tina is speeding on the highway, and a cop is sat on the road with a radar gun to see who to pull over. The cop's gun begins to detect a low frequency, with waves reflected being bunched up. The car was going 
 Option1: faster 
 Option2: slower 
 Explanation: A: As the car approaches the radar gun, the reflected microwaves get bunched up in front of the car. Therefore, the waves the receiver detects have a higher frequency than they would if they were being reflected from a stationary object. The faster the car is moving, the greater the increase in the frequency of the waves.
Output: slower
Question: When we get to the bottom of a mountain the air is 
 Option1: more dense 
 Option2: less dense 
 Explanation: At higher elevations, there is less air to press on a given area.
Output: more dense
Question: Jeff built a lens with the lowest refraction possible. The lens is likely _____ curved. 
 Option1: very 
 Option2: not 
 Explanation: The more curved the surface of a lens is, the more it refracts light.
Output: not
Question: A planet that is larger has 
 Option1: less gravity 
 Option2: more gravity 
 Explanation: Objects with greater mass have a stronger force of gravity between them.
Output: more gravity
Question: Tanya has a substance with mass 10kg. Logan has a substance with mass 5kg. If both substances are the same size, who has the less dense substance. 
 Option1: Tanya 
 Option2: Logan 
 Explanation: If we have two materials with the same volume, the material with a higher mass will be more dense.
Output: Logan
Question: If Milo has dark skin and Jerry has light skin, which person will sunburn more easily? 
 Option1: Milo 
 Option2: Jerry 
 Explanation: Light-skinned people get sunburned more quickly than people with darker skin.
Output: Jerry
Question: If Mona lives in a country with poor access to food and another country begins providing extra food to her country, what happens to the death rate in Mona's country? 
 Option1: increases 
 Option2: decreases 
 Explanation: More recently, the death rate has fallen because of the availability of more food and medical advances.
Output: decreases
Question: When we move around very little we feel 
 Option1: warmer 
 Option2: colder 
 Explanation: When particles move more quickly, temperature is higher and an object feels warmer.
Output: colder
Question: Quent reduces the energy of a liquid. He notices that the particles in the liquid 
 Option1: slow down 
 Option2: speed up 
 Explanation: As the liquid particles lose energy, their movement slows down even more. As their movements become slower and slower, the attractive forces between become stronger.
Output: slow down
Question: john was watching the rate of reactions going on in some plants. he noticed that the rate increased when the temperatures 
 Option1: increased 
 Option2: decreased 
 Explanation: Temperature affects the rate at which photosynthesis, cellular respiration and decomposition take place. The rate of reaction increases with increasing temperature and decreases at lower temperatures.
Output: increased
Question: Evan surfs the waves on a day when it is windy, and then he goes back the next day when there is no wind. Which waves likely had less energy? 
 Option1: windy 
 Option2: no wind 
 Explanation: The stronger the winds are blowing, the larger the waves are and the more energy they have.
Output: no wind
Question: Polly was out in the sun. She has light skin. Her skin likely absorbs _____ vitamin D than a dark-skinned person. 
 Option1: more 
 Option2: less 
 Explanation: Pigments in the skin act like a filter that can prevent the skin from making vitamin D. As a result, people with darker skin need more time in the sun than people with lighter skin to make the same amount of vitamin D.
Output: more
Question: If Mona is filling a balloon with helium and she adds more gas to it, what happens to the likelihood that the helium particles will collide with each other? 
 Option1: more likely 
 Option2: less likely 
 Explanation: At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.
Output: more likely
Question: It is likely that China produces more hazardous waste than Canada because it has 
 Option1: less industries. 
 Option2: more or 
 Explanation: Countries with more industry produce more hazardous wastes than those with little industry.
Output: more or
Question: Sandra wants to go on vacation, and would like to go somewhere warm. Sandra will likely choose a place 
 Option1: near the equator 
 Option2: near the poles 
 Explanation: Areas near the equator are warmer than areas near the poles because they receive more direct sunlight.
Output: near the equator
Question: When two batteries are placed further apart, John can tell that the electrostatic force is 
 Option1: more 
 Option2: less 
 Explanation: The closer the charged objects are, the stronger the electrostatic force.
Output: less
Question: If Milo is listening to the radio in his room and the room gets hotter, what happens to the speed of the sound waves generated by the radio? 
 Option1: increase 
 Option2: decrease 
 Explanation: For a given medium, sound waves travel more slowly at lower temperatures.
Output: increase
Question: If Mary is blowing an air horn underwater and she raises the temperature of the water, what will happen to the speed of the sound waves generated by the air horn? 
 Option1: increase 
 Option2: decrease 
 Explanation: For a given medium such as air, sound has a slower speed at lower temperatures.
Output: increase
Question: If Jim increased the speed of water flowing out of his bathroom tap, what would happen to the amount of energy being transferred by the water? 
 Option1: would increase 
 Option2: would decrease 
 Explanation: Faster-moving water has more energy.
Output: would increase
Question: Richard dropped two identical rocks, one into a puddle, and the other into a swimming pool. After dropping both rocks, the rock dropped into the puddle had 
 Option1: a higher melting point than the other rock 
 Option2: a lower melting point than the other rock 
 Explanation: As the amount of water increases, the melting point of rock decreases.
Output: a higher melting point than the other rock
Question: Bryan was tasked with categorizing various fossils that the archeology team dug up. He knew they found some in rock layers near the surface and others in layers much farther below the ground. Which should he categorize as the younger ones? 
 Option1: near surface fossils 
 Option2: farther down fossils 
 Explanation: The main law is the law of superposition. This law states that deeper rock layers are older than layers closer to the surface.
Output: near surface fossils
Question: Ferb and Honey are walking towards each other. What is true about the force of gravity between them as the distance between them decreases? 
 Option1: it increases 
 Option2: it decreases 
 Explanation: Objects that are closer together have a stronger force of gravity between them.
Output: it increases
Question: Jim is designing a new car and playing around with different materials. If he were to decrease the weight of the vehicle, what would happen to the fuel efficiency of that vehicle? It would 
 Option1: increase 
 Option2: decrease 
 Explanation: Lighter, more streamlined vehicles need less energy.
Output: increase
Question: Eric moved to Alaska from Arizona. The lower temperatures overall mean that sound travels 
 Option1: faster 
 Option2: slower 
 Explanation: For a given medium, sound waves travel more slowly at lower temperatures.
Output: slower
Question: If Mona is flying her plane in the stratosphere on a journey and she moves higher up into the stratosphere, what happens to the temperatures her plane experiences? 
 Option1: they increase 
 Option2: they decrease 
 Explanation: The stratosphere contains the ozone layer, the temperatures increase as altitude increases.
Output: they increase
Question: A person that is African American will get _____ than a white person at the beach. 
 Option1: less sunburned 
 Option2: more sunburned 
 Explanation: Light-skinned people get sunburned more quickly than people with darker skin.
Output: less sunburned
Question: Eric is swimming near shore. Tina is 100 meters out in the water. The water near _____ has fewer nutrients. 
 Option1: Eric 
 Option2: Tina 
 Explanation: Water near shore generally has more dissolved nutrients than water farther from shore.
Output: Tina
Question: Asa is running in a race and his body temperature decreases. His skin's blood vessels _____ in diameter. 
 Option1: increase 
 Option2: decrease 
 Explanation: When your brain senses that your body temperature is increasing, it sends messages to the blood vessels in the skin to increase in diameter.
Output: decrease
Question: If Mona is a logger and she begins cutting down a forest full of trees, how will that affect the likelihood of a drought occurring? 
 Option1: decrease 
 Option2: increase 
 Explanation: With fewer trees, the air is drier and droughts are more common.
Output: increase
Question: If Mona is studying the galaxy and she notices that the universe is expanding less then it used to, what does that mean is happening to the galaxies in the universe? 
 Option1: moving closer together 
 Option2: moving further apart 
 Explanation: As the Universe expands, galaxies move further and further apart.
Output: moving closer together
Question: Sinking lower in the mesosphere, we encounter _____ temperatures. 
 Option1: higher 
 Option2: lower 
 Explanation: In the mesosphere, temperature decreases as altitude increases.
Output: higher
Question: Jill had two wires in her lab, one was twice the thickness of the other and she measured the resistance of each. She saw that the _____ one showed less resistance. 
 Option1: thicker 
 Option2: thinner 
 Explanation: Thicker wires offer less resistance.
Output: thicker
Question: Karen is feeling very warm, and starts to sweat. Her blood flow is increased, likely because the day is 
 Option1: hot 
 Option2: cold 
 Explanation: On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body.
Output: hot
Question: Milo's country spends low energy developing better missiles. This means their rocket technologies have 
 Option1: increased 
 Option2: decreased 
 Explanation: The development of better missiles fostered better rocket technologies.
Output: decreased
Question: DJ has a solution that he removes particles from. The solution is now a _____ concentration. 
 Option1: higher 
 Option2: lower 
 Explanation: At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.
Output: lower
Question: One reason scientists sometimes use smaller telescopes for bright objects is because they collect 
 Option1: more light 
 Option2: less light 
 Explanation: Larger telescopes can collect more light and see finer details than smaller telescopes.
Output: less light
Question: Sue watches waves of different colored light travel past her with a spectrometer. The shorter wavelengths cause _____ waves to travel past her than the longer wavelengths. 
 Option1: more 
 Option2: fewer 
 Explanation: This means that as wavelengths get shorter, more waves move past a particular spot in the same amount of time.
Output: more
Question: Brad wants to go to the gym less regularly, so that his muscles will get smaller. Another aspect of having smaller muscles means that Brad will likely be 
 Option1: stronger 
 Option2: weaker 
 Explanation: Exercising muscles increases their size, and bigger muscles have greater strength.
Output: weaker
Question: John was looking at a refractive index and observing the light. The less speed the light had, it would bend 
 Option1: More 
 Option2: Less 
 Explanation: In refraction of light, the greater the change in speed, the more light bends.
Output: Less