niryuu/sni-each-converted huggingface dataset:
Question: John was looking at the lights passing through the object. He noticed that the less dense the medium, the light would move 
 Option1: Faster 
 Option2: Slower 
 Explanation: The more dense the medium, the slower the light moves.
Output: Faster
Question: A person that has a large larynx will have what type of voice? 
 Option1: High 
 Option2: low 
 Explanation: The voice becomes deeper as the larynx in the throat grows larger.
Output: low
Question: The least massive objects have _____ gravity than more massive objects. 
 Option1: higher 
 Option2: lower 
 Explanation: Less massive objects also have less gravity than more massive objects.
Output: lower
Question: A large amount of force has _____ acceleration than a smaller amount of force 
 Option1: more 
 Option2: less 
 Explanation: The smaller its mass is, the greater its acceleration for a given amount of force.
Output: less
Question: If Jimbo increases the wavelength of the soundwave he is generating, what will happen to the energy carried by that soundwave? 
 Option1: increases 
 Option2: decreases 
 Explanation: Waves with shorter wavelengths have more energy.
Output: decreases
Question: Mike is studying what humans eat. Bears are higher up the food chain than mosquitoes. Therefore, if humans were to eat bears, they would likely be taking in _____ levels of toxic metals. 
 Option1: less 
 Option2: more 
 Explanation: The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.
Output: more
Question: If Milo's engine is running hot, how will adding oil affect friction? 
 Option1: increase 
 Option2: reduce 
 Explanation: To reduce friction, oil is added to the engine.
Output: reduce
Question: When Dan got a thick resistor, he knew that its resistance would be 
 Option1: more 
 Option2: less 
 Explanation: Thicker resistors offer less resistance than thinner resistors.
Output: less
Question: Earth has a much smaller orbit around the Sun than Jupiter does. This means that which planet takes less time to go around the Sun? 
 Option1: Jupiter 
 Option2: Earth 
 Explanation: The planets further from the Sun will have bigger orbits, and therefore take longer to revolve around the Sun.
Output: Earth
Question: Scuffy was a puppy, and now he is a dog. Now that Scruffy is bigger, longer, and furrier than before, Scrufffy can take care of himself 
 Option1: better 
 Option2: worse 
 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: better
Question: If you keep something whole 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: slower
Question: NASA has sent an unmanned probe to survey a distant solar system with four planets. Planet Zorb is farthest from the sun of this solar system, Planet Krakatoa is second farthest, Planet Beanbag is third, and Krypton is the closest. The probe visits the planets in order, first Zorb, then Krakatoa, then Beanbag and finally Krypton. Did the probe have to fly farther in its trip from 
 Option1: Zorb to Krakatoa or 
 Option2: from Beanbag to Krypton? 
 Explanation: In general, the farther away from the Sun, the greater the distance from one planets orbit to the next.
Output: Zorb to Krakatoa or
Question: Erin is trying to get her solution to have a pH as far from zero as possible. The best way for Erin to do that is to have the acidity of the solution 
 Option1: decrease 
 Option2: increase 
 Explanation: The more acidic a solution is, the closer its pH value will be to 0
Output: decrease
Question: Mona lives in a nation that doesn't use a lot of fossil fuels. What would happen to her countries levels of air pollution if they were to increase their usage? 
 Option1: increase 
 Option2: decrease 
 Explanation: Because richer nations use more fossil fuels, they also cause more air pollution and global warming than poorer nations do.
Output: increase
Question: When a river gets emptied of a lot of waste chemicals it becomes 
 Option1: cleaner 
 Option2: dirtier 
 Explanation: More pollutants mean poorer air quality.
Output: cleaner
Question: For dating the age of a fossil, and compared to the isotope Carbon 14 with its 5730 year half-life, would Francium with a 22 minute half-life be a 
 Option1: less useful isotope? 
 Option2: more useful isotope 
 Explanation: Because these isotopes decay more slowly, they can be used to date much older specimens.
Output: less useful isotope?
Question: Mike wants the current strength to be weaker, so mike will do this with the number of resistors 
 Option1: decrease 
 Option2: increase 
 Explanation: As more resistors are added in parallel, the total current strength increases.
Output: decrease
Question: If valence electrons are close to an atom's nucleus, the atom is likely 
 Option1: bigger 
 Option2: smaller 
 Explanation: In bigger atoms, valence electrons are farther from the nucleus.
Output: smaller
Question: The bigger the alkene the _____ boiling and melting points. 
 Option1: lower 
 Option2: higher 
 Explanation: Larger alkenes have lower boiling and melting points.
Output: lower
Question: Tinna held two magnets together and felt _____ force. 
 Option1: more 
 Option2: less 
 Explanation: The gravitational force between two objects decreases as the objects move further apart.
Output: more
Question: Warm air is able to fill more space than cold air because it is 
 Option1: more dense 
 Option2: less dense 
 Explanation: Warm air is less dense than cool air, so it rises higher in the troposphere.
Output: less dense
Question: Terry has two balls and pulls them together to each other. The gravitational force between the balls 
 Option1: increases 
 Option2: decreases 
 Explanation: The gravitational force between two objects decreases as the objects move further apart.
Output: increases
Question: A warming resistor will _____ in resistance. 
 Option1: increase 
 Option2: decrease 
 Explanation: The hotter a resistor becomes the more resistance it has.
Output: increase
Question: The moon has a _____ force of gravity than the sun. 
 Option1: weaker 
 Option2: stronger 
 Explanation: Objects with greater mass have a stronger force of gravity.
Output: weaker
Question: Will removed salt from the pool water. The water is now 
 Option1: less dense 
 Option2: more dense 
 Explanation: Lower temperature and higher salinity yield the densest water.
Output: less dense
Question: If Jimbo is surfing and the waves begin to crest higher, what happens to amplitude of those waves? 
 Option1: increases 
 Option2: decreases 
 Explanation: The higher the crests of a wave are, the greater the amplitude.
Output: increases
Question: If there are two equal-volume objects, the densest object will be the one with _____ mass. 
 Option1: higher 
 Option2: lower 
 Explanation: If we have two materials with the same volume, the material with a higher mass will be more dense.
Output: higher
Question: If Jupiter has a bigger orbit then Mercury, which planet will take a shorter time to revolve around the Sun? 
 Option1: Jupiter 
 Option2: Mercury 
 Explanation: The planets further from the Sun will have bigger orbits, and therefore take longer to revolve around the Sun.
Output: Mercury
Question: If Milo's bike chain is not moving well and he adds some oil to it, what will happen to the levels of friction the chain experiences? 
 Option1: increase 
 Option2: decrease 
 Explanation: To reduce friction, oil is added to the engine.
Output: decrease
Question: Ron watches a wave for 10 seconds and notices 10 crests. He watches another wave for 10 seconds and sees 5 crests. Which wave has a lesser frequency? 
 Option1: 10 crests 
 Option2: 5 crests 
 Explanation: Wave frequency can be measured by counting the number of crests or compressions that pass the point in 1 second or other time period. The higher the number is, the greater is the frequency of the wave.
Output: 5 crests
Question: If Jim downgrades his computer to a less powerful model, what happens to the amount of work it can perform? 
 Option1: it can perform more work then before 
 Option2: it can perform less work then before 
 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: it can perform less work then before
Question: The temperature has been rising in a certain part of the world. The temperature change leads to _____ chemical weathering. 
 Option1: less 
 Option2: more 
 Explanation: Chemical weathering increases as: Temperature increases: Chemical reactions proceed more rapidly at higher temperatures.
Output: more
Question: When the villagers are living longer, the food source is likely 
 Option1: great 
 Option2: small 
 Explanation: More recently, the death rate has fallen because of the availability of more food and medical advances.
Output: great
Question: Carla takes a look at the populations of two countries. She finds Canada had about 37 million people in 2017. The United States had a population of 325 million in that same year. Therefore, Canada likely clears _____ land for agriculture and development than the United States. 
 Option1: more 
 Option2: less 
 Explanation: More people also means more clearing of land for agriculture and development.
Output: less
Question: A main sequence star that is not bright is not among the _____ stars 
 Option1: hottest 
 Option2: coolest 
 Explanation: The hotter a main sequence star is, the brighter it is.
Output: hottest
Question: If Mona is adjusting the pH levels of her fish tank and she makes the pH higher, what happens to the baseness of the water? 
 Option1: higher 
 Option2: lower 
 Explanation: The higher the pH value is, the stronger the base.
Output: higher
Question: Gary had two rocks and brought them closer together. The gravitational rock between the rocks is now _____ strong. 
 Option1: more 
 Option2: less 
 Explanation: The closer objects are to each other, the stronger the gravitational force between them.
Output: more
Question: Jeff is stopping exercising his muscles at home. Over time his muscles will grow 
 Option1: bigger 
 Option2: smaller 
 Explanation: Muscles that are exercised are bigger and stronger than muscles that are not exercised.
Output: smaller
Question: If you tried to push a sack of unpopped popcorn or a sack of popped popcorn, both of the same volume, would it be easier to push the 
 Option1: sack of unpopped popcorn 
 Option2: sack of popped popcorn? 
 Explanation: Its harder to overcome friction between heavier objects and the floor than it is between lighter objects and the floor.
Output: sack of popped popcorn?
Question: If you spend a lot of time out in the sun then getting skin cancer is 
 Option1: less likely 
 Option2: more likely 
 Explanation: More UV rays increase skin cancer rates.
Output: more likely
Question: If Earth's average temperature were to rise, Earth's glaciers should 
 Option1: decrease 
 Option2: increase 
 Explanation: The glaciers on Earth are getting smaller and smaller as Earths temperature rises.
Output: decrease
Question: Milo is surfing at the beach on his day off. He notices that the waves are getting smaller and smaller. What is happening to the energy those waves are producing? It's 
 Option1: decreasing 
 Option2: increasing 
 Explanation: Bigger waves have more energy.
Output: decreasing
Question: If a product is stretched, elastic force will 
 Option1: increase 
 Option2: decrease 
 Explanation: The elastic force increases the more the material is stretched or compressed.
Output: increase
Question: Mary was performing experiments with atoms in her lab. She was measuring energy levels at various distances from an atom's nucleus. Would measurements taken farther from a nucleus result in 
 Option1: lower energy levels? 
 Option2: greater energy levels or 
 Explanation: As you go farther from the nucleus of an atom, the electron levels have more and more energy.
Output: lower energy levels?
Question: African Americans have darker skin than other Americans. Researchers were not surprised to discover therefore, that vitamin D insufficiency among African 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: more prevalent
Question: Quent increases 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: speed up
Question: If Mona is excavating an archeological site and she discovers some fossils near the surface then compares them to fossils she found deeper down, which fossils will be younger? 
 Option1: near the surface 
 Option2: deeper down 
 Explanation: Lower rock layers were laid down earlier, so they are assumed to contain older fossils.
Output: near the surface
Question: Jim looked at his cat's eyes on a bright sunny day, then he looked at the eyes when the cat was in very low light inside the house. In the high light condition, the cat's pupils well be 
 Option1: smaller. 
 Option2: larger 
 Explanation: The pupil automatically gets bigger or smaller to let more or less light in as needed.
Output: smaller.
Question: If Jim's country increases use of fossil fuels, what will happen to the amount of pollution it produces? 
 Option1: increase 
 Option2: decrease 
 Explanation: Because richer nations use more fossil fuels, they also cause more air pollution and global warming than poorer nations do.
Output: increase
Question: If we have a static charged balloon and bring it close to your head _____ hairs will stand up 
 Option1: less 
 Option2: more 
 Explanation: The closer the charged objects are, the stronger the electrostatic force.
Output: more
Question: Mona lives in a city that doesn't know much about solar power. As the citizens become more aware of solar and the benefits it offers the demand for solar power rises. What happens to the cost of the technology as the demand increases? 
 Option1: increase 
 Option2: decrease 
 Explanation: Solar power is expensive, but as demand increases technology improves and costs decrease.
Output: decrease
Question: Increasing the mass of an object causes its inertia to 
 Option1: increase 
 Option2: decrease 
 Explanation: The full box is harder to move because it has greater mass and therefore greater inertia.
Output: increase
Question: Eric lost weight after the diet. His force of gravity has now slightly 
 Option1: decreased 
 Option2: increased 
 Explanation: Objects with greater mass have a stronger force of gravity between them.
Output: decreased
Question: The electrons that rotate in the inner edges of an atom have 
 Option1: more energy 
 Option2: less energy 
 Explanation: As you go farther from the nucleus of an atom, the electron levels have more and more energy.
Output: less energy
Question: A doctor was doing some lung tests on a patient and testing the air pressure inside the patient's lungs. She found that when the patient's chest got larger while inhaling air that the pressure in the patient's lungs got 
 Option1: higher 
 Option2: lower 
 Explanation: Exhaling, or breathing out, decreases the size of the chest, which increases air pressure inside the lungs.
Output: lower
Question: If you found something with many hydrogen ions it would be 
 Option1: basic 
 Option2: acidic 
 Explanation: With a higher concentration of hydrogen ions, a solution is more acidic but has a lower pH.
Output: acidic
Question: If there are few lines that are magnetic then they are 
 Option1: weak 
 Option2: strong 
 Explanation: The more field lines that are drawn, the stronger the field.
Output: weak
Question: When the villagers are dying sooner, the food source is likely 
 Option1: great 
 Option2: small 
 Explanation: More recently, the death rate has fallen because of the availability of more food and medical advances.
Output: small
Question: A ball that is on the ground will have _____ potential energy than a ball on the top of the empire state building about to be dropped off . 
 Option1: more 
 Option2: less 
 Explanation: So the higher an object is above a surface, the more potential energy it has.
Output: less
Question: If Milo is adjusting the strength of his microwave in the kitchen and he sets it to a higher frequency, does the energy output of the microwave 
 Option1: increase 
 Option2: decrease 
 Explanation: With higher frequencies, the microwaves also have more energy.
Output: increase
Question: If Milo is measuring isotopes and he notices that they seem to decay faster then average, what does that mean about the age of the specimen he is examining? 
 Option1: younger 
 Option2: older 
 Explanation: Because these isotopes decay more slowly, they can be used to date much older specimens.
Output: younger
Question: John started measuring the current, and notices that as the current got weaker the electromagnet became 
 Option1: Weaker 
 Option2: Stronger 
 Explanation: The more current, the stronger the electromagnet.
Output: Weaker
Question: As two asteroids drift further apart, does the gravitational force they exert on each other 
 Option1: increase 
 Option2: decrease? 
 Explanation: Objects that are closer together have a stronger force of gravity between them.
Output: decrease?
Question: If Mary increases the resistance of her electrical circuit, what will happen to the current in that circuit? 
 Option1: increase 
 Option2: decrease 
 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: decrease
Question: John was playing with alkanes in his lab. If he increased the amount of carbon atoms in an alkane, what would happen to the boiling point of that alkane? 
 Option1: decrease? 
 Option2: increase 
 Explanation: Alkanes with more carbon atoms have higher boiling and melting points, so some of them are solids at room temperature.
Output: increase
Question: Mona is flying in a hot air balloon. As she floats lower in the air the air temperature rises. What will happen to the air pressure? 
 Option1: increase 
 Option2: decrease 
 Explanation: Increasing air temperature decreases atmospheric pressure.
Output: decrease
Question: Water found on Earth's hot regions is _____ dense that water found on Earth's cold regions. 
 Option1: more 
 Option2: less 
 Explanation: Water becomes more dense when it is colder and when it has more salt.
Output: less
Question: When something is very heavy what does it need to move? 
 Option1: more inertia 
 Option2: less inertia 
 Explanation: Objects with greater mass have greater inertia.
Output: more inertia
Question: If the amount of chemicals inside of Jim's lungs increases, what will happen to the amount of air his lungs can process? 
 Option1: increase 
 Option2: decrease 
 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: decrease
Question: As the air becomes wetter, transpiration of a leaf will 
 Option1: increase 
 Option2: decrease 
 Explanation: As humidity increases, the water potential gradient across the inside and outside the leaf become more equal, and so the rate of transpiration decreases.
Output: decrease
Question: Eric noticed a glacier outside his boat expanding over time. The Earth's temperature is likely 
 Option1: decreasing 
 Option2: increasing 
 Explanation: The glaciers on Earth are getting smaller and smaller as Earths temperature rises.
Output: decreasing
Question: Does it take more or less energy to power a light vehicle? 
 Option1: more 
 Option2: less 
 Explanation: Lighter, more streamlined vehicles need less energy.
Output: less
Question: Which of these items has more gravitational strength? 
 Option1: the moon 
 Option2: earth 
 Explanation: Less massive objects also have less gravity than more massive objects.
Output: earth
Question: Mona lives in a country with no food available. If a natural disaster strikes and the food supply is cut off, what will happen to the birth rate in her country? 
 Option1: increase 
 Option2: decrease 
 Explanation: Low food supply or a lack of space can lower birth rates, increase death rates, or lead to emigration.
Output: increase
Question: If Milo is a farmer and he wants to increase the amount of bell peppers he grows, what should he do to advance his farming practices? 
 Option1: increase them 
 Option2: decrease them 
 Explanation: More advanced farming practices allowed a single farmer to grow food for many more people.
Output: increase them
Question: Don wants to make sure that his particles will move faster, so he will make sure the energy they have is 
 Option1: more 
 Option2: less 
 Explanation: The more energy the particles in matter have, the faster and more strongly they vibrate.
Output: more
Question: John was working on a chemistry project. He found that the further from ph 14 the substance was, the substance's basicness became 
 Option1: Less 
 Option2: Greater 
 Explanation: The closer to pH 14, the more strongly basic the solution.
Output: Less
Question: If a Geiger counter is silent in an area, there is _____ reason to worry about radiation. 
 Option1: little 
 Option2: much 
 Explanation: The faster the clicks of a Geiger counter occur, the higher the level of radiation.
Output: little
Question: What happens to John's risk of contracting a disease when he is younger? 
 Option1: it decreases 
 Option2: it increase 
 Explanation: The older a person is, the greater their chance of developing a cardiovascular disease.
Output: it decreases
Question: Ivan yells across a canyon in the morning when it is cold and again later in the afternoon when it is hot. During which time did his voice travel the slowest? 
 Option1: morning 
 Option2: afternoon 
 Explanation: For a given medium such as air, sound has a slower speed at lower temperatures.
Output: morning
Question: Theresa decreased the amount of water in her pool. Rock would likely melt 
 Option1: faster 
 Option2: slower 
 Explanation: As the amount of water increases, the melting point of rock decreases.
Output: slower
Question: Will weighed himself on a scale. He weighs more than last year. His force of gravitational attraction 
 Option1: increased 
 Option2: decreased 
 Explanation: The greater the objects mass, the greater the force of gravitational attraction.
Output: increased
Question: Eric removes resistors in parallel to a circuit. The total current 
 Option1: increases 
 Option2: decreases 
 Explanation: When we add resistors in parallel to each other the total resistance decreases and the current increases.
Output: decreases
Question: Jim loves to listen to the radio. If he turns the volume low the amount of time he can listen to the music before experiencing hearing loss 
 Option1: increases 
 Option2: decreases 
 Explanation: The louder the sounds are, the less exposure is needed to cause hearing loss.
Output: increases
Question: Mike was wiring up a new circuit to test it out. He observed that the more resistors he added to 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: Increased
Question: If Mona is mixing some chemicals in a beaker for her science project and she adds more water to the mixture, what will happen to the amount of chemical reactions that can take place inside the beaker? 
 Option1: it will decrease 
 Option2: it will increase 
 Explanation: More water allows more chemical reactions.
Output: it will increase
Question: If Mona lives in a city that begins producing a greater amount of pollutants, what happens to the air quality in that city? 
 Option1: increases 
 Option2: decreases 
 Explanation: More pollutants mean poorer air quality.
Output: decreases
Question: Dane was on a mountaintop and struggled to breathe, so he rectified it by getting to an elevation that was 
 Option1: higher 
 Option2: lower 
 Explanation: At higher elevations, there is less air to press on a given area.
Output: lower
Question: Eric went outside in the winter. He is _____ likely to give off heat than if it was summer. 
 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: If Mona is packing coffee into a tin and she continues to add more coffee, what happens to the density of the coffee inside the tin? 
 Option1: increases 
 Option2: decreases 
 Explanation: The more tightly packed the particles inside the material are, the more dense we say they are.
Output: increases
Question: If greenhouse gases were greatly decreased, we can expect a _____ chance of extreme changes. 
 Option1: higher 
 Option2: lower 
 Explanation: As greenhouse gases increase, changes will be more extreme.
Output: lower
Question: In small atoms valence electrons are usually 
 Option1: closer 
 Option2: farther 
 Explanation: In bigger atoms, valence electrons are farther from the nucleus.
Output: closer
Question: If particles in matter move more slowly, they likely have _____ energy. 
 Option1: more 
 Option2: less 
 Explanation: The particles in matter are always moving. The more energy they have, the faster they move.
Output: less
Question: Lana is noting that the wind lately has been very weak. Lana can now tell that the air pressures over the Earth's surface have had differences that are 
 Option1: greater 
 Option2: lesser 
 Explanation: Differences in air pressure over the surface of the Earth result in wind. The greater the differences in air pressures, the stronger the wind.
Output: lesser
Question: Alan's lye has a higher pH than his soda. His soda was _____ acidic. 
 Option1: less 
 Option2: more 
 Explanation: Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance.
Output: more
Question: If the ocean basin were to increase, the sea level would 
 Option1: rise 
 Option2: lower 
 Explanation: Sea level rises if an increase in seafloor spreading rate buoys up the ocean crust, causing the ocean basin to become smaller.
Output: lower
Question: When waves in the ocean go slow there will be 
 Option1: less 
 Option2: more 
 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: less
Question: Theo moved close to Gary. The amplitude of the light bouncing off of them likely 
 Option1: decreases 
 Option2: increases 
 Explanation: The closer together the particles are, the greater the amplitude of the wave.
Output: increases
Question: Donna stretches a rubber band further and further. The elastic potential energy of the rubber band will be 
 Option1: greater 
 Option2: less 
 Explanation: The farther the object is stretched or compressed, the greater its elastic potential energy is.
Output: greater
Question: Marcus is climbing a mountain, and notices that it is more difficult to breathe than it was before. This is likely because Marcus is at a 
 Option1: lower elevation 
 Option2: higher elevation 
 Explanation: Air pressure is less at higher elevations.
Output: higher elevation
Question: If Mona is building a new electrical system and she installs thinner wires then were previously there, what can she expect to happen to the resistance of the system? 
 Option1: increase 
 Option2: decrease 
 Explanation: Thicker wires offer less resistance.
Output: increase
Question: Eric gained weight after the buffet. His force of gravity has now slightly 
 Option1: decreased 
 Option2: increased 
 Explanation: Objects with greater mass have a stronger force of gravity between them.
Output: increased
Question: When you hold two magnets far away what is the force between them? 
 Option1: Strong 
 Option2: Weak 
 Explanation: As the distance between the objects increases the magnetic force of attraction decreases.
Output: Weak
Question: A human who eats an animal that is low on the food chain should take in _____ toxic metals. 
 Option1: more 
 Option2: less 
 Explanation: The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.
Output: less
Question: Jim's skin was noticeably lighter than his friend Matt's skin. This means that _____ produces more melanin. 
 Option1: Jim 
 Option2: Matt 
 Explanation: However, the melanocytes of people with darker skin produce more melanin.
Output: Matt
Question: Lizzie visited a village where an illness wiped many people out. The population got 
 Option1: larger 
 Option2: smaller 
 Explanation: An increase in predators, the emergence of a new disease, or the loss of habitat are just three possible problems that will decrease a population.
Output: smaller
Question: Quenton adds salt to his spaghetti water. The water becomes _____ dense. 
 Option1: more 
 Option2: less 
 Explanation: Water density increases as salinity and pressure increase, or as temperature decreases.
Output: more
Question: Stars that are colder are also 
 Option1: dimmer 
 Option2: brighter 
 Explanation: The hotter a main sequence star is, the brighter it is.
Output: dimmer
Question: If Jim starts exercising his muscles, would the strength of them 
 Option1: increase 
 Option2: decrease 
 Explanation: Exercising muscles increases their size, and bigger muscles have greater strength.
Output: increase
Question: John wanted to lose weight so he skipped his normal routine of eating a sugary donut in the morning. As a result, he felt dizzy as his blood glucose level dropped. Did the amount of insulin in his blood likely 
 Option1: increase 
 Option2: decrease 
 Explanation: As blood glucose levels decrease, less insulin is produced.
Output: decrease
Question: If Mona is comparing two species and she notices that their DNA molecules are less similar, what does that tell her about the species relationship? 
 Option1: distant relationship 
 Option2: close relationship 
 Explanation: The more similar the DNA molecules of different species are, the closer the relationship is likely to be.
Output: distant relationship
Question: Adam had a large larynx as a child, but after his larynx shrunk for some reason, his voice got 
 Option1: higher 
 Option2: deeper 
 Explanation: The voice becomes deeper as the larynx in the throat grows larger.
Output: higher
Question: As molecules start moving faster they get 
 Option1: warmer 
 Option2: colder 
 Explanation: Warmer molecules vibrate faster than cooler ones.
Output: warmer
Question: Eric removed carbon atoms to the solution. The number of possible arrangements of carbon atoms 
 Option1: increases 
 Option2: decreases 
 Explanation: A: The more carbon atoms there are, the greater the number of possible arrangements of carbon atoms.
Output: decreases
Question: Mona is an electrical engineer designing a new circuit. If she decreases the total number of resistors in her new circuit, what happens to the total current of the circuit? 
 Option1: increase 
 Option2: decrease 
 Explanation: If we increase the resistance in a series circuit, by adding more resistors, then the total current decreases.
Output: increase
Question: If Jim increases the level of sound coming from his speakers it means that the time it would take for him to experience hearing loss would 
 Option1: increase 
 Option2: decrease 
 Explanation: The louder the sounds are, the less exposure is needed to cause hearing loss.
Output: decrease
Question: Two planets with very large masses will have a _____ gravitational pull between them than two planets with small masses. 
 Option1: stronger 
 Option2: weaker 
 Explanation: The greater the mass of the objects, the stronger the gravitational pull between them.
Output: stronger
Question: If you spend a lot of time working out your muscles will be 
 Option1: smaller 
 Option2: larger 
 Explanation: When a person exercises regularly, and is fit, the heart undergoes certain long-term adaptations. The heart muscle gets stronger, and expels more blood with each contraction.
Output: larger
Question: When it becomes more humid outside people are _____ to sweat. 
 Option1: more likely 
 Option2: less likely 
 Explanation: As humidity increases, the water potential gradient across the inside and outside the leaf become more equal, and so the rate of transpiration decreases.
Output: more likely
Question: Milo is flying a rocket in the mesosphere. If he decreases his altitude, what happens to the temperature? 
 Option1: increases 
 Option2: decreases 
 Explanation: In the mesosphere, temperature decreases as altitude increases.
Output: increases
Question: Harry was sorting alkenes. The largest of the bunch have _____ boiling points 
 Option1: lower 
 Option2: higher 
 Explanation: Larger alkenes have lower boiling and melting points, so they are liquids or waxy solids at room temperature.
Output: higher
Question: Mary was performing experiments with atoms in her lab. She was measuring energy levels at various distances from an atom's nucleus. Would measurements taken closer to a nucleus result in 
 Option1: lower energy levels? 
 Option2: greater energy levels or 
 Explanation: As you go farther from the nucleus of an atom, the electron levels have more and more energy.
Output: greater energy levels or
Question: The sun exerts gravitational force on all the planets, which has a lower gravitational force 
 Option1: earth 
 Option2: mars 
 Explanation: The further objects are away from each other, the smaller the gravitational force.
Output: mars
Question: Gary had two rocks and pulled them further apart. The gravitational force between the rocks is now _____ strong. 
 Option1: more 
 Option2: less 
 Explanation: The closer objects are to each other, the stronger the gravitational force between them.
Output: less
Question: Will's pupils grew larger as the night grew darker. This happens to let _____ light in. 
 Option1: less 
 Option2: more 
 Explanation: The pupil automatically gets bigger or smaller to let more or less light in as needed.
Output: more
Question: Diffusion occurs faster in 
 Option1: water 
 Option2: oxygen. 
 Explanation: This is also called diffusion, and the process is much faster in gases than in liquids, because the particles in gases are further apart.
Output: oxygen.
Question: A large object displaces _____ water than a smaller one. 
 Option1: more 
 Option2: less 
 Explanation: So more water is displaced by a bigger body than a smaller one.
Output: more
Question: A large wire can carry current a long ways because it has _____ resistance 
 Option1: less 
 Option2: more 
 Explanation: Thicker wires offer less resistance.
Output: less
Question: Ray was traveling in rocket leaving orbit. He keeps the empty fuel containers on board so the ship can fly 
 Option1: higher 
 Option2: lower 
 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: lower
Question: A wave with a low frequency has _____ energy than a wave with a high frequency. 
 Option1: more 
 Option2: less 
 Explanation: Higher frequency waves have greater energy.
Output: less
Question: Ron is trying to figure out how old some isotopes are. The isotopes are decaying very quickly, 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: younger
Question: When two pieces of metal are rubbing together and oil is added between them the friction 
 Option1: decreases 
 Option2: increases 
 Explanation: To reduce friction, oil is added to the engine.
Output: decreases
Question: A satellite was sent to orbit and monitor a small planet but instead it ended up being pulled into the orbit of a nearby large planet. It was concluded that this happened because the gravitational pull of the larger planet was 
 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: stronger
Question: Jimbo heated a pot of water on his stove. What happens to the amount of oxygen contained in the water as the temperature increases? 
 Option1: increases 
 Option2: decreases 
 Explanation: Warm water cant hold as much dissolved oxygen as cool water, so an increase in the temperature of water decreases the amount of oxygen it contains.
Output: decreases
Question: Milo is playing with his electromagnet and he decides to increase the current supplied to it. What will happen to the strength of the electromagnet? 
 Option1: increase 
 Option2: decrease 
 Explanation: The more current, the stronger the electromagnet.
Output: increase
Question: If you added more citric acid to orange juice the acid levels would 
 Option1: decrease 
 Option2: increase 
 Explanation: A stronger acid produces a greater concentration of ions than a weaker acid.
Output: increase
Question: Will weighs 180 pounds while Nat weights 120 pounds, who would accelerate less after the same force is applied? 
 Option1: Will 
 Option2: Nat 
 Explanation: The smaller its mass is, the greater its acceleration for a given amount of force.
Output: Will
Question: If Milo is flying through the air and he moves closer to the Earth, what happens to the temperature of the air? 
 Option1: increases 
 Option2: decreases 
 Explanation: Air in the troposphere is warmer closer to Earths surface.
Output: increases
Question: If Mona is building a new electrical system and she installs thicker wires then were previously there, what can she expect to happen to the resistance of the system? 
 Option1: increase 
 Option2: decrease 
 Explanation: Thicker wires offer less resistance.
Output: decrease
Question: If Milo is sliding a basketball and a baseball across the floor and the baseball is the heavier of the two objects, which object will experience more friction? 
 Option1: basketball 
 Option2: baseball 
 Explanation: Its harder to overcome friction between heavier objects and the floor than it is between lighter objects and the floor.
Output: baseball
Question: When you work out at the gym a lot your muscles become 
 Option1: smaller 
 Option2: larger 
 Explanation: Muscles that are exercised are bigger and stronger than muscles that are not exercised.
Output: larger
Question: A piece of sandpaper was rubbed across a glass table, then the sandpaper was rubbed across some gravel. The friction will be greater between 
 Option1: the sandpaper and the glass table or 
 Option2: the sandpaper and the gravel. 
 Explanation: Rougher surfaces have more friction between them than smoother surfaces.
Output: the sandpaper and the gravel.
Question: If Mona works in a defense lab and her company develops worse missiles, what happens to the advancement of rocket technologies? 
 Option1: decreases 
 Option2: increases 
 Explanation: The development of better missiles fostered better rocket technologies.
Output: decreases
Question: Stephanie had designed a machine learning algorithm to help predict earthquakes. Today, her new supercomputer arrived and she will soon run the algorithm on the less powerful computer. The new computer will _____ the accuracy of the model's predictions. 
 Option1: increase 
 Option2: decrease 
 Explanation: But the more computing power that goes into the model and the care with which the scientists construct the model can increase the chances that a model will be accurate.
Output: decrease
Question: If Jim shortens the wavelength of the electromagnetic waves his machine is producing, what happens to the energy output? 
 Option1: it increases 
 Option2: it decreases 
 Explanation: Electromagnetic waves with shorter wavelengths have higher frequencies and more energy.
Output: it increases
Question: Reid pulled the energy levels further away from the nucleus. They are now likely to have _____ orbitals. 
 Option1: less 
 Option2: more 
 Explanation: Energy levels farther from the nucleus of an atom have more orbitals.
Output: more
Question: If James measured the air pressure in the winter and compared it to the air pressure in the summer, which season would have more pressure? 
 Option1: winter 
 Option2: summer 
 Explanation: Decreasing air temperature increases atmospheric pressure.
Output: summer
Question: John was looking at rocks in the valley and noticed something. The more resistant the rocks he looked at were, the amount they remained was 
 Option1: Shorter 
 Option2: Longer 
 Explanation: Different types of rocks weather at different rates. More resistant types of rocks will remain longer.
Output: Longer
Question: Will launches a rocket off the ground. As the speed of the gas that comes from the boosters decreases, the rocket's height reached 
 Option1: decreases 
 Option2: increases 
 Explanation: The rocket goes upwards because the hot gases shoot downwards out of the nozzle. The faster the gases go downwards, the faster the rocket goes upwards.
Output: decreases
Question: Andrew was showing Tim his underpowered phone, one day. The boys decided they wanted to go to a bookstore but needed directions, they both looked up directions on their phone, whose phone found directions faster? 
 Option1: Andrew 
 Option2: Tim 
 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: Tim
Question: Eileen studied two identically sized populations of women, one in Springfield where the women were in their 50s and one in Mayfield where the women were in their 30s. The population with a higher incidence of breast cancer was 
 Option1: Springfield group 
 Option2: Mayfield group. 
 Explanation: Breast cancer is rare in teens. It becomes more common as women get older.
Output: Springfield group
Question: If a dog is extremely fit and healthy breeders will want it to have 
 Option1: more offspring 
 Option2: less offspring 
 Explanation: Genotypes with greater fitness produce more offspring and pass more copies of their alleles to the next generation.
Output: more offspring
Question: If Milo is measuring the seafloor and he notices the level of spreading has decreased, what will happen to the sea level? 
 Option1: it will fall 
 Option2: it will rise 
 Explanation: Sea level rises if an increase in seafloor spreading rate buoys up the ocean crust, causing the ocean basin to become smaller.
Output: it will fall
Question: Mona is building a circuit. If she adds more 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: decrease
Question: Something with a lot less energy travels 
 Option1: short distances 
 Option2: long distances 
 Explanation: However, the energy is diluted as an electromagnetic wave travels farther from its source because it spreads out over an ever-larger area.
Output: short distances
Question: Jan is cold, so she starts to jog in place. The slower Jan jogs, she will feel warmer 
 Option1: quicker 
 Option2: slower 
 Explanation: When particles move more quickly, temperature is higher and an object feels warmer.
Output: slower
Question: Dana washes her hands a lot, so her bacteria has muted to help to resist antibiotics. As that bacteria increases in numbers, the mutation becomes 
 Option1: common 
 Option2: rare 
 Explanation: Bacteria with a mutation the helps resist antibiotics increase in numbers, so the mutation becomes more common.
Output: common
Question: A pair of lenses on glasses that are not 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: less light
Question: Eric sends out an electromagnetic wave. Reid is 10 feet away and Will is 40 feet away. Who would have the weaker reading of the wave? 
 Option1: Will 
 Option2: Reid 
 Explanation: However, the energy is diluted as an electromagnetic wave travels farther from its source because it spreads out over an ever-larger area.
Output: Will
Question: If Jim is trying to raise the melting point of an isomer, what should he do to the number of branching points of the isomer? 
 Option1: decrease them 
 Option2: increase them 
 Explanation: The more branching there is in isomers, the lower the boiling and melting points are.
Output: decrease them
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 warmer 
 Option1: surface of water 
 Option2: several feet deep in water? 
 Explanation: Water also gets colder as you go deeper.
Output: surface of water
Question: A membrane with fewer folds will have _____ than one with more folds. 
 Option1: more 
 Option2: less ribosomes 
 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 ribosomes
Question: John was checking the temperature of the unit. He saw that as the temperature increased when the level of energy was 
 Option1: Greater 
 Option2: Lesser 
 Explanation: The temperature of matter increases with the added energy.
Output: Greater
Question: What would happen to the force of gravity between two soccer balls if Jim moved them closer together? 
 Option1: it would increase 
 Option2: it would decrease 
 Explanation: Objects that are closer together have a stronger force of gravity between them.
Output: it would increase
Question: When a river gets full of a lot of waste chemicals it becomes 
 Option1: cleaner 
 Option2: dirtier 
 Explanation: More pollutants mean poorer air quality.
Output: dirtier
Question: When a baby drinks very little milk from their mother then their mother makes 
 Option1: less milk 
 Option2: more milk 
 Explanation: The more the baby suckles, the more prolactin is released, which causes more milk to be produced.
Output: less milk
Question: Suppose Jim decides to use more electricity in his day to day activities. What can he expect will happen to the amount of pollution he is responsible for creating? 
 Option1: it will increase 
 Option2: it will decrease 
 Explanation: We need to reduce our electricity consumption in order to reduce pollution.
Output: it will increase
Question: A fast moving stream is capable of carrying _____ particles than a slow moving stream. 
 Option1: larger 
 Option2: smaller 
 Explanation: In erosion, a slower moving stream will only carry smaller particles.
Output: larger
Question: Tina is coming back up from diving deep into the ocean. What happens to the temperature? 
 Option1: it increases 
 Option2: it decreases 
 Explanation: Water also gets colder as you go deeper.
Output: it increases
Question: John was watching the movement of a stream in the forest. He noticed that the slower moving stream would only carry particles that are 
 Option1: Larger 
 Option2: Smaller 
 Explanation: In erosion, a slower moving stream will only carry smaller particles.
Output: Smaller
Question: In large atoms valence electrons are usually 
 Option1: closer 
 Option2: farther 
 Explanation: In bigger atoms, valence electrons are farther from the nucleus.
Output: farther
Question: When someone never exercises they are _____ than those that work out a lot. 
 Option1: stronger 
 Option2: weaker 
 Explanation: Exercising muscles increases their size, and bigger muscles have greater strength.
Output: weaker