niryuu/sni-each-converted huggingface dataset:
Question: If a wire were to be doubled in length, it would have _____ resistance than the original length wire. 
 Option1: more 
 Option2: less 
 Explanation: Longer wires have more resistance than shorter wires.
Output: more
Question: If Jim decreases the frequency of the radio waves on his shortwave radio, will the radio use 
 Option1: less energy? 
 Option2: more or 
 Explanation: In electromagnetic waves with higher frequencies, photons have more energy.
Output: less energy?
Question: If Milo decreases the heat he applies to a resistor, what happens to the resistance? 
 Option1: increases 
 Option2: decreases 
 Explanation: The hotter a resistor becomes the more resistance it has.
Output: decreases
Question: Jeff removes energy from his water. The water becomes more 
 Option1: cold 
 Option2: hot 
 Explanation: The temperature of matter increases with the added energy.
Output: cold
Question: If Milo increases the heat he applies to a resistor, what happens to the resistance? 
 Option1: increases 
 Option2: decreases 
 Explanation: The hotter a resistor becomes the more resistance it has.
Output: increases
Question: Alan saw Venus through his old telescope. He then looked through his bigger, better telescope. Venus likely appears brighter through the 
 Option1: smaller telescope 
 Option2: bigger telescope 
 Explanation: Larger telescopes can collect more light.
Output: bigger telescope
Question: Eric adds gas to a 20ml container and Rita adds gas to a 10ml container. Which container holds more gas particles? 
 Option1: Rita 
 Option2: Eric 
 Explanation: In the larger container we will still have the same number of gas particles, but now they are filling a much larger space.
Output: Eric
Question: Dean is trying to get a wavelength that has less energy, so Dean will have his wavelength produce waves that are 
 Option1: shorter 
 Option2: longer 
 Explanation: Waves with shorter wavelengths have more energy.
Output: longer
Question: A main sequence star that is very bright is not among the _____ stars 
 Option1: hottest 
 Option2: coolest 
 Explanation: The hotter a main sequence star is, the brighter it is.
Output: coolest
Question: If we find something with a high pH value that is likely to be 
 Option1: acidic 
 Option2: basic 
 Explanation: The higher the pH value is, the stronger the base.
Output: basic
Question: Derek subtracts several resistors from his project within his series circuit, so therefore, within the series circuit, the resistance will have 
 Option1: increased 
 Option2: decreased 
 Explanation: In a series circuit, the resistance increases as more resistors are added in series.
Output: decreased
Question: Tim has a quark and pulls it farther away from Rob, who also has a quark. What happens to the attraction force between the quarks? 
 Option1: it increases 
 Option2: it decreases 
 Explanation: Gluons make quarks attract each other more strongly the farther apart the quarks get.
Output: it increases
Question: Tina had a large rock on the beach. Rich had a large rock 10 miles inland. The person with the rock that has less effect on the tides is 
 Option1: Rich 
 Option2: Tina 
 Explanation: The Moon has a greater effect on the tides because, although it is much smaller than the Sun, it is much closer.
Output: Rich
Question: A smaller alkenes will melt _____ than a smaller one. 
 Option1: sooner 
 Option2: later 
 Explanation: Larger alkenes have lower boiling and melting points.
Output: later
Question: If Mona is holding a toy truck and a toy car a certain distance away from each other and she then moves the two objects closer together, which happens to the magnetic force of attraction between the two objects? 
 Option1: increases 
 Option2: decreases 
 Explanation: As the distance between the objects increases the magnetic force of attraction decreases.
Output: increases
Question: What will happen to the functionality of a structure if Jim increases the surface area of it? 
 Option1: functionality increases 
 Option2: functionality decreases 
 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: functionality increases
Question: Eric has a hydrocarbon with 20 carbon atoms. Rita has a hydrocarbon with 35 carbon atoms. Whose hydrocarbon has more isomers? 
 Option1: Eric 
 Option2: Rita 
 Explanation: The more carbon atoms a hydrocarbon has, the greater the number of isomers.
Output: Rita
Question: If Jim lowers carbon dioxide to the ocean, the level of acidity in the ocean becomes 
 Option1: greater 
 Option2: smaller 
 Explanation: With higher levels of dissolved carbon dioxide in ocean water, the water becomes more acidic.
Output: smaller
Question: Don sees wavelengths using a spectrometer. A wavelength that is very short likely has a _____ frequency compared to a longer one. 
 Option1: lower 
 Option2: higher 
 Explanation: Because all electromagnetic waves travel at the same speed through space, a wave with a shorter wavelength must have a higher frequency, and vice versa.
Output: higher
Question: If the population of India were to double, 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: less
Question: Joe noticed that the humidity inside the greenhouse was getting very low, so he turned the sprinklers on to make it more humid. Thus, when the water potential gradient across the inside and outside of the leaf becomes equal, the rate of transpiration 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: increase
Question: John was watching the particle accelerator and made an observation. The greater an objects mass and velocity, the kinetic energy was 
 Option1: Greater 
 Option2: Less 
 Explanation: An object with greater mass or greater velocity has more kinetic energy.
Output: Greater
Question: Christy is in lab measuring the pH values of some substances. The first substance she measures has a pH value of 8. The second substance has a pH value of 9. Compared to the first, the second substance can be said to be _____ basic. 
 Option1: less. 
 Option2: more 
 Explanation: Bases have pH values above 7. The higher the pH value, the more strongly basic the substance.
Output: more
Question: A stream going down a mountain will have to do _____ cutting. 
 Option1: much 
 Option2: little 
 Explanation: In erosion, the higher the elevation, the farther the stream is from where it will reach base level and the more cutting it has to do.
Output: much
Question: Waves that come in very fast to the shores have 
 Option1: more energy 
 Option2: less energy 
 Explanation: Higher frequency waves have greater energy.
Output: more energy
Question: If current decreases, that means resistance is 
 Option1: increasing 
 Option2: decreasing 
 Explanation: When we add resistors in parallel to each other the total resistance decreases and the current increases.
Output: increasing
Question: Two small planets are near each other, and two large planets are near each other. The smaller planets, compared to the larger planets will have a gravitational pull that is 
 Option1: weaker 
 Option2: stronger 
 Explanation: The greater the mass of the objects, the stronger the gravitational pull between them.
Output: weaker
Question: Dane is dropping bouncy balls out of windows. He drops a green ball out of the first story window, then a red ball out of the second story window. The ball with the least potential energy is the 
 Option1: red ball 
 Option2: green ball 
 Explanation: So the higher an object is above a surface, the more potential energy it has.
Output: green ball
Question: Derek is noting how close particles are, and sees that they are very far apart. Since the particles are so far apart, the amplitude of the wave will be 
 Option1: greater 
 Option2: lesser 
 Explanation: The closer together the particles are, the greater the amplitude of the wave.
Output: lesser
Question: Ollie moved a tomato plant to an area that receives more sunlight. The tomato plant will now produce _____ food. 
 Option1: more 
 Option2: less 
 Explanation: Less photosynthesis means that plants and phytoplankton produce less food.
Output: more
Question: Compared to a person who chooses to start right away to undergo cancer treatments after being diagnosed, would a person with the same cancer who undergoes treatment a long time after learning of their diagnosis be 
 Option1: less likely to be cured? 
 Option2: more likely to be cured 
 Explanation: The sooner cancer is treated, the greater the chances of a cure.
Output: less likely to be cured?
Question: As Earth's climate becomes warmer it will develop _____ varieties of vegetation? 
 Option1: less 
 Option2: more 
 Explanation: The warmer a climate is, the more types of vegetation it will have and the greater the rate of biological weathering.
Output: more
Question: John has a diamond that is the same size as a beach ball. Which is likely denser? 
 Option1: diamond 
 Option2: ball 
 Explanation: A given volume of a denser substance is heavier than the same volume of a less dense substance.
Output: diamond
Question: Would a microphone designed to listen for avalanches detect the sound of falling snow sooner on a 
 Option1: warm day 
 Option2: colder day? 
 Explanation: For a given medium such as air, sound has a slower speed at lower temperatures.
Output: warm day
Question: Jan had a very low heart rate, but was perfectly healthy, indicating that her heart expels blood in amounts that are 
 Option1: greater 
 Option2: lesser 
 Explanation: When the heart expels more blood with each stroke, the heart has to beat less often in order to maintain the same volume of blood flow.
Output: greater
Question: If pressure has exerted less force on a rock and decreased it's metamorphism, would it be 
 Option1: easier to determine what the original rock was 
 Option2: harder to determine what the original rock was? 
 Explanation: The more extreme the amount of metamorphism, the more difficult it is to tell what the original rock was.
Output: easier to determine what the original rock was
Question: If the citizens of Europe began using oil, they should have _____ pollution. 
 Option1: more 
 Option2: less 
 Explanation: Greater use of oil and other fossil fuels causes more pollution.
Output: more
Question: What will happen to Jim's muscle strength if he exercises more then he has in the past? 
 Option1: his muscles will become stronger 
 Option2: his muscles will become weaker 
 Explanation: Aerobic exercise increases the size and strength of muscles in the heart and helps all your muscles develop greater endurance.
Output: his muscles will become stronger
Question: Karly is studying two rivers and how they are affecting the rock around them. If the 2nd river she looks at is twice as big as the first river she is studying, then Karly would expect to see _____ erosion caused by the 2nd river. 
 Option1: more 
 Option2: less 
 Explanation: The bigger the waves are and the more sediment they carry, the more erosion they cause.
Output: more
Question: If we have a bag of feathers and a bag of bricks of the same volume, the heavier item will be the 
 Option1: feathers 
 Option2: bricks 
 Explanation: If we have two materials with the same volume, the material with a higher mass will be more dense.
Output: bricks
Question: When we launch a rocket into space the attraction level the rocket has to the Earth 
 Option1: increases 
 Option2: decreases 
 Explanation: As the distance between the objects increases, the force of gravitational attraction decreases.
Output: decreases
Question: When we spend less and less time lifting a lot of weights we become 
 Option1: weaker 
 Option2: stronger 
 Explanation: Anaerobic exercises cause muscles to get bigger and stronger.
Output: weaker
Question: Tommy was assigned to work with alkene compounds for his science project. When he took them out he noticed that they were in liquid form before he even worked with them. This means that the alkenes were 
 Option1: small alkenes 
 Option2: large alkenes 
 Explanation: Larger alkenes have lower boiling and melting points, so they are liquids or waxy solids at room temperature.
Output: large alkenes
Question: John looked at the graphs and noticed something. As the population of people grew larger, the rate of global warming was 
 Option1: Less 
 Option2: Greater 
 Explanation: For example, more people on the Earth means more people contributing to global warming and pollution.
Output: Greater
Question: If the temperature in the environment decreases, what will happen to the rate of cellular respiration? 
 Option1: increases 
 Option2: decreases 
 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: decreases
Question: Fred was moving a desk across the room. He then pushed a chair and it was much easier. This is because the lighter chair had _____ friction with the floor. 
 Option1: less 
 Option2: more 
 Explanation: Its harder to overcome friction between heavier objects and the floor than it is between lighter objects and the floor.
Output: less
Question: Jeff takes a breath and lets it out. When do his lungs experience the least air pressure? 
 Option1: after inhaling 
 Option2: after exhaling 
 Explanation: Exhaling, or breathing out, decreases the size of the chest, which increases air pressure inside the lungs.
Output: after inhaling
Question: Sandra is in a dark building and then suddenly goes exits onto a sunny street. Sarah's pupils will do this in response to the new bright light 
 Option1: shrink 
 Option2: grow 
 Explanation: The pupil automatically gets bigger or smaller to let more or less light in as needed.
Output: shrink
Question: If Mona's country normally emits a lot of greenhouse gas, but one day decides to lower the amount they emit, what will happen to the global temperature? 
 Option1: increase 
 Option2: decrease 
 Explanation: A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.
Output: decrease
Question: Alan has a rubber band on his hands. He pulls his hands apart and the rubber bands force 
 Option1: increases 
 Option2: decreases 
 Explanation: The farther apart you move your hands, the stronger the force of the rubber band pulling your hands together.
Output: increases
Question: If we tested a substance and the number was high on a pH test then the item is 
 Option1: acidic 
 Option2: basic 
 Explanation: Bases have pH values above 7. The higher the pH value, the more strongly basic the substance.
Output: basic
Question: If you spend less 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: less likely
Question: Quint adds more resistors in a circuit to increase the resistance. The total current in the series circuit 
 Option1: increases 
 Option2: decreases 
 Explanation: If we increase the resistance in a series circuit, by adding more resistors, then the total current decreases.
Output: decreases
Question: Compared to a hydrocarbon with a single carbon atom, would a hydrocarbon with 10 carbon atoms have 
 Option1: a greater number of isomers 
 Option2: fewer isomers? 
 Explanation: The more carbon atoms a hydrocarbon has, the greater the number of isomers.
Output: a greater number of isomers
Question: If Mona is measuring the size of a glacier at the North Pole and she notices that it has been getting larger over the years, what can she conclude about the Earth's temperature? 
 Option1: decreasing 
 Option2: increasing 
 Explanation: The glaciers on Earth are getting smaller and smaller as Earths temperature rises.
Output: decreasing
Question: Jeff cooled the pot of boiling water. What happens to the dissolved oxygen contained within the water? 
 Option1: it increases 
 Option2: it 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: it increases
Question: Milo is trying to heat his room with a space heater. If he turns up the thermostat to a hotter setting, which is happening to the energy the heater is producing? 
 Option1: increasing 
 Option2: decreasing 
 Explanation: Bigger stars produce more energy, so their surfaces are hotter.
Output: increasing
Question: What happens to water when it absorbs less salt? 
 Option1: lower density 
 Option2: Higher Density 
 Explanation: Water becomes more dense when it is colder and when it has more salt.
Output: lower density
Question: If Mona is building a new circuit and she adds more serial resistors to it, what happens to the total current in that circuit? 
 Option1: increases 
 Option2: decreases 
 Explanation: We also saw that adding resistors to a series circuit increases the total resistance of the circuit, causing the current to decrease.
Output: decreases
Question: More oxygen absorption means _____ oxygen in the blood. 
 Option1: more 
 Option2: less 
 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
Question: The blood vessels near the top of the skin do what when it's warm? 
 Option1: enlarge 
 Option2: contract 
 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: enlarge
Question: As we start running our hearts pump faster which means blood flow 
 Option1: increases 
 Option2: decreases 
 Explanation: Warming up exercises increases the blood flow to the muscles and increases the heart rate.
Output: increases
Question: Twenty wolves recently left their pack for new territory. The smaller number of wolves in the pack means that the availability of food will be 
 Option1: greater 
 Option2: lesser 
 Explanation: As the population increases, the food supply, or the supply of another necessary resource, may decrease.
Output: greater
Question: If Mary is cleaning her pool and she lowers the pH value of the water, what happens to the acidity of the water? 
 Option1: increases 
 Option2: decreases 
 Explanation: Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance.
Output: increases
Question: John was looking at the ocean level data on his computer. He noticed that as the seafloor spreading rate increases, the level of the sea 
 Option1: Decreases 
 Option2: Increases 
 Explanation: Sea level rises if an increase in seafloor spreading rate buoys up the ocean crust, causing the ocean basin to become smaller.
Output: Increases
Question: If Milo stops eating for awhile and his blood glucose increases, what happens to the amount of insulin he is producing? 
 Option1: increases 
 Option2: decreases 
 Explanation: As blood glucose levels decrease, less insulin is produced.
Output: increases
Question: Sarah is carrying two tubs, one is filled with rocks, the other with feathers. The tub with feathers will be lighter because it is 
 Option1: more dense 
 Option2: less dense 
 Explanation: A given volume of a denser substance is heavier than the same volume of a less dense substance.
Output: less dense
Question: When we look at the solar system planets are less 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: closer to the sun
Question: If the Moon moves towards the Earth, what happens to the tidal pull of that astral body? 
 Option1: it increases 
 Option2: it decreases 
 Explanation: The Moon has a greater effect on the tides because, although it is much smaller than the Sun, it is much closer.
Output: it increases
Question: Harry was sorting alkenes. The smallest 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: lower
Question: The most massive objects have _____ gravity than less massive objects. 
 Option1: higher 
 Option2: lower 
 Explanation: Less massive objects also have less gravity than more massive objects.
Output: higher
Question: John was comparing different fossils in his collection one day. If he were to compare characteristics of a very recent fossil in his collection to an animal alive now, what would he find? 
 Option1: high similarity 
 Option2: low similarity 
 Explanation: In general, fossils in older rocks are less similar to modern organisms.
Output: high similarity
Question: Terry had a glass lens that he made less curved over time. The lens now reflects _____ light. 
 Option1: more 
 Option2: less 
 Explanation: The more curved the surface of a lens is, the more it refracts the light that passes through it.
Output: less
Question: Eric rubs together tissue paper and then sandpaper. The rougher tissue paper has _____ friction than the sandpaper. 
 Option1: less 
 Option2: more 
 Explanation: Rougher surfaces have more friction between them than smoother surfaces.
Output: more
Question: Jay adds more resistors in parallel to a circuit. The total current strength 
 Option1: decreases 
 Option2: increases 
 Explanation: As more resistors are added in parallel, the total current strength increases.
Output: increases
Question: Terry replaces cut down trees in the forest. The air is now _____ dry. 
 Option1: more 
 Option2: less 
 Explanation: With fewer trees, the air is drier and droughts are more common.
Output: less
Question: If a wire were to be cut in half, each half would have _____ resistance than the whole wire. 
 Option1: more 
 Option2: less 
 Explanation: Longer wires have more resistance than shorter wires.
Output: less
Question: Jolene just turned 16 years old. She is _____ likely to be diagnosed with breast cancer than her grandmother. 
 Option1: more 
 Option2: less 
 Explanation: Breast cancer is rare in teens but becomes more common as females get older.
Output: less
Question: The darker someone's skin is the _____ melanin they have. 
 Option1: less 
 Option2: more 
 Explanation: However, the melanocytes of people with darker skin produce more melanin.
Output: more
Question: If Mona is a non-smoker, but decides to start smoking, what happens to the difficulty her lungs experience in removing chemicals from the air? 
 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: increase
Question: Eric is observing the transpiration process. The water from the plants goes into the atmosphere _____ in lower temperatures. 
 Option1: faster 
 Option2: slower 
 Explanation: In transipration, at warmer temperatures water molecules move faster, and the rate of evaporation from stomata is therefore much faster.
Output: slower
Question: Marty watched the cruise ship sail closer and get _____. 
 Option1: larger 
 Option2: smaller 
 Explanation: If you are standing on the shore and a ship is going out to sea, the ship gets smaller as it moves further away from you.
Output: larger
Question: By adding twenty more resistors to the series circuit in series, the total resistance of the circuit was 
 Option1: increased 
 Option2: decreased 
 Explanation: In a series circuit, the resistance increases as more resistors are added in series.
Output: increased
Question: If the Earth is orbiting the Sun and it begins to move farther from it, what happens the speed the Earth is moving? 
 Option1: increase 
 Option2: decrease 
 Explanation: The Earth travels faster in its elliptical orbit when it is closer to the Sun than when it is farther away.
Output: decrease
Question: Jan is cold, so she starts to jog in place. The faster 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: quicker
Question: Marco needs to dig a well in his backyard, but the water table is very low. The energy that it will take to dig a deep well is 
 Option1: great 
 Option2: small 
 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: great
Question: A tsunami created by a lot of rocks will create what size wave? 
 Option1: small 
 Option2: large 
 Explanation: A wave caused by a disturbance with more energy has greater amplitude.
Output: large
Question: Will is not smoking a cigarette anymore. This causes _____ oxygen to be available for diffusion in his lungs, so more oxygen will be absorbed into his blood. 
 Option1: more 
 Option2: less 
 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
Question: Compared to a drywall screw with a coarse thread, would a lag bolt of the same length with a very fine thread require 
 Option1: fewer turns to drive into a hole> 
 Option2: more turns to drive into a hole 
 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 turns to drive into a hole
Question: When a magnet is strong it has 
 Option1: more force 
 Option2: less force 
 Explanation: The more charged the objects are, the stronger the electrostatic force between them.
Output: more force
Question: If Mona owns a greenhouse and she decides to cover the top up to restrict sunlight, what happens to her plant's ability to make food? 
 Option1: increases 
 Option2: decreases 
 Explanation: Less photosynthesis means that plants and phytoplankton produce less food.
Output: decreases
Question: If Mona is comparing an orange and an apple and she determines that the apple is less massive then the orange, which object has more gravity? 
 Option1: orange 
 Option2: apple 
 Explanation: Objects with greater mass have a stronger force of gravity between them.
Output: orange
Question: If Mona is playing with a rubber band and she stops stretching it out, what happens to the amount of elastic force contained in the rubber band? 
 Option1: increases 
 Option2: decreases 
 Explanation: The elastic force increases the more the material is stretched or compressed.
Output: decreases
Question: A reactant particle that is in the arctic is likely _____ compared to one in the desert. 
 Option1: faster 
 Option2: slower 
 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: slower
Question: A fossil in the lowest layer of rock would be _____ than one higher up. 
 Option1: younger 
 Option2: older 
 Explanation: Fossils found at the lowest layer of rock would be the oldest, as these would have been buried for the longest time, whereas fossils found closer to the surface would be buried more recently and therefore be younger.
Output: older
Question: John was looking at a diagram of an electrical system. He observed that it was more difficult for electronics to move when the wire was 
 Option1: Thicker 
 Option2: Thinner 
 Explanation: A thinner wire is more difficult for electrons to move through than a thicker wire.
Output: Thinner
Question: If you use a thick piece of wire then electrons move 
 Option1: easier 
 Option2: harder 
 Explanation: A thinner wire is more difficult for electrons to move through than a thicker wire.
Output: easier
Question: If Jim has a container of hydrogen gas that is 40 liters in volume and he moves the gas to a container that is 50 liters in volume, what happens to the density of the gas? 
 Option1: increases 
 Option2: decreases 
 Explanation: In the larger container we will still have the same number of gas particles, but now they are filling a much larger space.
Output: decreases
Question: Charles sees an atom through the microscope that is the biggest he's ever seen. The valence electrons in this atom are likely _____ the nucleus 
 Option1: far from 
 Option2: close to 
 Explanation: In bigger atoms, valence electrons are farther from the nucleus.
Output: far from
Question: Dawn is screwing in a screw so she can hang a picture on the wall. Because the threads are really close together, the force that Dawn must apply to get the screw into the wall is 
 Option1: greater 
 Option2: lesser 
 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: lesser
Question: Shirley wants to make sure that her frequencies are low, so she will have her wavelengths for the electromagnetic waves be 
 Option1: shorter 
 Option2: longer 
 Explanation: Longer wavelength electromagnetic waves have lower frequencies, and shorter wavelength waves have higher frequencies.
Output: longer
Question: Mike needed to get a good picture in a dark room, but couldn't turn on a light. In order to get the brightest photo, Mike made the exposure 
 Option1: longer 
 Option2: shorter 
 Explanation: The longer the exposure, the more light that the telescope can gather to make the image.
Output: longer
Question: Erin was going to see the elephants in the jungle. If the jungle is smaller than it was 20 years ago, then what has likely happened to the population of the elephants? 
 Option1: it has decreased 
 Option2: it has increased 
 Explanation: The forest habitat of elephants has also decreased in size due to humans moving in, so the numbers of the elephants have decreased.
Output: it has decreased
Question: When water is eroding down a river it will do more cutting if it is 
 Option1: low 
 Option2: high 
 Explanation: In erosion, the higher the elevation, the farther the stream is from where it will reach base level and the more cutting it has to do.
Output: high
Question: Eric built his telescope higher up. The interference from the atmosphere up here is 
 Option1: lower 
 Option2: higher 
 Explanation: Many observatories are built on high mountains. There is less air above the telescope, so there is less interference from the atmosphere.
Output: lower
Question: Mike had a large telescope for years and years. Recently, his wife purchased him a smaller one. Compared to the bigger telescope, the amount of light the new, smaller one would collect would be 
 Option1: less. 
 Option2: more 
 Explanation: Larger telescopes can collect more light and see finer details than smaller telescopes.
Output: less.
Question: Kelly built a home with a gorgeous ocean view, but the hillside is prone to erosion, and each time it rains, his foundation becomes less stable. The slope is getting steeper and the water is flowing _____ causing more erosion. 
 Option1: faster 
 Option2: slower 
 Explanation: Water flowing over a steeper slope moves faster and causes more erosion.
Output: faster
Question: If we want to increase resistance in computers we should put more resistors in 
 Option1: parallel 
 Option2: series 
 Explanation: As more resistors are added in series, the total resistance of the circuit increases.
Output: series
Question: If Milo is listening to the radio in his room and the room gets colder, 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: decrease
Question: Milo is measuring acidity levels in his drink fridge. If his sprite is more acidic then his coke, which item has the greater concentration of ions? 
 Option1: coke 
 Option2: sprite 
 Explanation: A stronger acid produces a greater concentration of ions than a weaker acid.
Output: sprite
Question: A still river that carries little sediment will cause _____ erosion. 
 Option1: less 
 Option2: more 
 Explanation: The bigger the waves are and the more sediment they carry, the more erosion they cause.
Output: less
Question: When we get warm we become 
 Option1: faster 
 Option2: slower 
 Explanation: If the gas is cooled, the particles will move more slowly, because they will have less energy.
Output: faster
Question: John was combining chemicals in his lab one day. If he were to increase the temperature in his lab, what would happen to the rate of chemical reactions in his experiments? 
 Option1: increase 
 Option2: decrease 
 Explanation: Chemical weathering increases as: Temperature increases: Chemical reactions proceed more rapidly at higher temperatures.
Output: increase
Question: A fast stream is capable of moving 
 Option1: boulders 
 Option2: sand 
 Explanation: In erosion, a slower moving stream will only carry smaller particles.
Output: boulders
Question: Jim puts his water in the fridge for later. The molecules in the liquid 
 Option1: speed up 
 Option2: slow down 
 Explanation: When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.
Output: slow down
Question: The logging company in your town is proposing they plant several thousand acres of trees. If they do so, the chances of droughts in your area will 
 Option1: decrease 
 Option2: increase 
 Explanation: With fewer trees, the air is drier and droughts are more common.
Output: decrease
Question: If Jim decreases the amount of field lines drawn what will happen to the strength of the field? 
 Option1: decrease 
 Option2: increase 
 Explanation: The more field lines that are drawn, the stronger the field.
Output: decrease
Question: Bob takes a deep breath, so that his lungs will have less painful pressure, making the size of Bob's chest 
 Option1: decrease 
 Option2: increase 
 Explanation: Inhaling, or breathing in, increases the size of the chest, which decreases air pressure inside the lungs.
Output: increase
Question: Wendy increases the frequency of her radio's sound waves. These waves now have _____ energy. 
 Option1: more 
 Option2: less 
 Explanation: Higher frequency waves have greater energy.
Output: more
Question: Rita sees a particle and makes it move very slowly. The temperature of the particle 
 Option1: increases 
 Option2: decreases 
 Explanation: When particles move more quickly, temperature is higher and an object feels warmer.
Output: decreases
Question: A piece of glass has _____ friction than a piece of sandpaper. 
 Option1: more 
 Option2: less 
 Explanation: Rougher surfaces have more friction between them than smoother surfaces.
Output: less
Question: If Mona is an astronomer and she is looking through a telescope, what happens to the amount of light gathered by the telescope if she increases the exposure? 
 Option1: increases 
 Option2: decreases 
 Explanation: The longer the exposure, the more light that the telescope can gather to make the image.
Output: increases
Question: Robin is using aluminum foil to make small cylinders. A foil cylinder of diameter 10cm likely has _____ resistance than a foil cylinder of diameter 1cm. 
 Option1: greater 
 Option2: less 
 Explanation: The thinner the wire, the more resistance it offers.
Output: less
Question: If Mona is filling her pool with chemicals to change the pH level of the water and she decreases the pH, what happens to the baseness of the water? 
 Option1: increase 
 Option2: decrease 
 Explanation: Bases have pH values above 7. The higher the pH value, the more strongly basic the substance.
Output: decrease
Question: During a game of tug-o-war, two teams are pulling a rope, the team that will pull the hardest has people who weigh 
 Option1: more 
 Option2: less 
 Explanation: Gravity is a pull which all matter exerts on all other matter, the more mass, the stronger the pull.
Output: more
Question: Polly was managing her diabetes. As her blood glucose levels _____, her body produces less insulin so she would need to supplement this. 
 Option1: increase 
 Option2: decrease 
 Explanation: As blood glucose levels decrease, less insulin is produced.
Output: decrease
Question: If Mona is a nursing mother and her body begins producing more prolactin then before, what happens to the amount of milk she will produce? 
 Option1: decrease 
 Option2: increase 
 Explanation: The more the baby suckles, the more prolactin is released, which causes more milk to be produced.
Output: increase
Question: If an animal is not 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: less
Question: Rich works out every day. Paul does not work out at all. Whose heart expels more blood per contraction, resulting in lower BPM? 
 Option1: Rich 
 Option2: Paul 
 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: Rich
Question: As he was standing on the beach and watching the boat, it began to drift away. As the distance grew between him and the boat, the ship got 
 Option1: Smaller 
 Option2: Larger 
 Explanation: If you are standing on the shore and a ship is going out to sea, the ship gets smaller as it moves further away from you.
Output: Smaller
Question: Carl is studying climate change, and notes that less ultraviolet radiation is being trapped, which means the earth will be 
 Option1: cooler 
 Option2: warmer 
 Explanation: If there are more greenhouse gases in the atmosphere, more ultraviolet radiation will be trapped and the Earth will heat up.
Output: cooler
Question: Does a ball in space have more or less gravity on it than on earth? 
 Option1: more 
 Option2: less 
 Explanation: The closer objects are, the stronger the gravitational pull between them.
Output: less
Question: Dan is on a ship, and sees that the waves are getting huge! 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: harder
Question: The _____ orbitals in energy levels are found closest to the nucleus of an atom. 
 Option1: most 
 Option2: less 
 Explanation: Energy levels farther from the nucleus of an atom have more orbitals.
Output: less
Question: What will happen to the amount of elastic potential energy in Jim's rubber band if he compresses it? 
 Option1: more potential energy 
 Option2: less potential energy 
 Explanation: The more an elastic object is stretched or compressed, the greater its elastic potential energy is.
Output: more potential energy
Question: In a science class, the professor demonstrates refraction to the class. First, the professor shows a curved lens from a binocular, and then a flat pane of glass, demonstrating that 
 Option1: the curved lens refracts less light 
 Option2: the flat pane refracts less light. 
 Explanation: The more curved the surface of a lens is, the more it refracts the light that passes through it.
Output: the flat pane refracts less light.
Question: The closer that water gets to the shore the _____ nutrients there are. 
 Option1: more 
 Option2: fewer 
 Explanation: Most nutrients are washed into ocean water from land. Therefore, water closer to shore tends to have more nutrients.
Output: more
Question: As Peter's dog got smaller, the dog's bones became 
 Option1: larger 
 Option2: smaller 
 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: smaller
Question: If Mona fills up a cup with water and places that water into the oven, what happens to the density of the water as it heats up? 
 Option1: increases 
 Option2: decreases 
 Explanation: When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.
Output: decreases
Question: Will was pulling some magnets apart. When is the electrostatic force the highest? 
 Option1: when the magnets are close 
 Option2: when the magnets are far 
 Explanation: The closer the charged objects are, the stronger the electrostatic force.
Output: when the magnets are close
Question: Jupiter and Saturn are much larger in mass than Earth and Venus, therefore the force of gravity between Earth and Venus is _____ than the force of gravity between Earth and Venus. 
 Option1: greater 
 Option2: lesser 
 Explanation: Objects with greater mass have a stronger force of gravity between them.
Output: lesser
Question: John was observing a range of patients skin under a microscope. He noticed that the more melanocytes the skin had, the production of melanin was 
 Option1: higher 
 Option2: lower 
 Explanation: However, the melanocytes of people with darker skin produce more melanin.
Output: higher
Question: Ian is digging in his garden, and admires the shiny pebbles sitting in the yard, as he digs a hole and finds more rocks, he knows that the first ones he found are 
 Option1: younger 
 Option2: older 
 Explanation: Older rocks are at the bottom and younger rocks are at the top.
Output: younger
Question: A scientist, one mile away from shore, would expect to find _____ dissolved nutrients in the water than near the shore. 
 Option1: less 
 Option2: more 
 Explanation: Water near shore generally has more dissolved nutrients than water farther from shore.
Output: less
Question: Katie is looking at particles of reactants, and is noting that they currently are moving very quickly, and that they seem to have a lot of energy. These particles are likely at a temperature that is 
 Option1: higher 
 Option2: lower 
 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: higher
Question: If one trains aerobic exercises, their heart muscles will become 
 Option1: stronger 
 Option2: weaker 
 Explanation: Aerobic exercise increases the size and strength of muscles in the heart and helps all your muscles develop greater endurance.
Output: stronger
Question: Would the sound from a loud speaker transmit more energy to the eardrum of a member of the audience if they were standing 
 Option1: directly in front of the speaker 
 Option2: two miles away? 
 Explanation: The farther the sound waves travel away from the source, the more spread out their energy becomes.
Output: directly in front of the speaker
Question: A model created with less computing power should have a _____ chance of being accurate. 
 Option1: lower 
 Option2: higher 
 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: lower
Question: Jeff should add _____ to his engine to decrease the friction in its processes. 
 Option1: oil 
 Option2: gas 
 Explanation: To reduce friction, oil is added to the engine.
Output: gas
Question: Olivia has a miniature resistor and a normal sized one. Which resistor offers less resistance? 
 Option1: the miniature resistor 
 Option2: the normal resistor 
 Explanation: Longer length resistors will offer more resistance than shorter resistors.
Output: the miniature resistor
Question: Tom lowered the temperature of a reactant in a lab. The particles in the reactant now have _____ energy. 
 Option1: less 
 Option2: more 
 Explanation: At higher temperatures, particles of reactants have more energy, so they move faster.
Output: less
Question: Sue sees a star with a high frequency. Erin sees a star with a low frequency. The cooler star belongs to 
 Option1: Sue 
 Option2: Erin 
 Explanation: Shorter wavelengths (higher frequencies) correspond to higher energies and thus hotter star temperatures.
Output: Erin
Question: If Milo wants to encourage larger pieces of sediment to drop on his lawn, what should he do to the slope of his lawn? 
 Option1: increase it 
 Option2: decrease it 
 Explanation: Smaller sediments are dropped as the slope becomes less steep.
Output: increase it
Question: Living things with great traits should produce _____ offspring than living things with better traits. 
 Option1: more 
 Option2: less 
 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: more
Question: Micah is entering the atmosphere, and is approaching 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: warmer
Question: If Jim climbs to the top of a mountain and takes the temperature after taking the temperature at the bottom of the mountain, which area will he get a lower reading at? 
 Option1: top of the mountain 
 Option2: bottom of the mountain 
 Explanation: The surface is heated by the Sun and some of that heat radiates back into the air. This makes the temperature higher near the surface than at higher altitudes.
Output: top of the mountain
Question: When someone works out a lot they are _____ than those that never exercise 
 Option1: stronger 
 Option2: weaker 
 Explanation: Exercising muscles increases their size, and bigger muscles have greater strength.
Output: stronger
Question: If Milo wants to make his water saltier and begins removing salt to the glass, what happens to the density of the glass of water? 
 Option1: decreases 
 Option2: increases 
 Explanation: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.
Output: decreases
Question: Greta yells across the canyon in the cool morning and again in the hot afternoon. The sound likely traveled _____ in the morning. 
 Option1: slower 
 Option2: not as slow 
 Explanation: For a given medium, sound has a slower speed at lower temperatures.
Output: not as slow
Question: If Ben exercises daily, and Anna exercises only weekly, who has a weaker heart? 
 Option1: Ben 
 Option2: Anna 
 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: Anna
Question: Jeff added more and more processors to the supercomputer. The supercomputer will now likely be _____ powerful. 
 Option1: more 
 Option2: less 
 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: more
Question: If demand for solar power were increase, the power would become _____ expensive. 
 Option1: less 
 Option2: more 
 Explanation: Solar power is expensive, but as demand increases technology improves and costs decrease.
Output: less
Question: Eric pushes an electron closer to the nucleus of an atom. The electron _____ energy. 
 Option1: loses 
 Option2: gains 
 Explanation: As you go farther from the nucleus of an atom, the electron levels have more and more energy.
Output: gains
Question: Would a star that is significantly cooler than the sun, which is outputting blue light which is higher in frequency that the yellow light of the Sun, be 
 Option1: hotter 
 Option2: colder? 
 Explanation: Shorter wavelengths (higher frequencies) correspond to higher energies and thus hotter star temperatures.
Output: colder?
Question: Sue is celebrating her 16th birthday. She likely has a _____ chance of breast cancer than when she turns 60. 
 Option1: greater 
 Option2: lesser 
 Explanation: Breast cancer is rare in teens. It becomes more common as women get older.
Output: lesser