niryuu/sni-each-converted huggingface dataset:
Question: John's town used to have lots of water, back when there were only a few hundred people. However, now that the town holds several thousand people, the water availability is 
 Option1: scarce 
 Option2: plentiful 
 Explanation: Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes.
Output: scarce
Question: Electrons further away from a nucleus have _____ energy levels than close ones. 
 Option1: higher 
 Option2: lower 
 Explanation: Electrons at lower energy levels, which are closer to the nucleus, have less energy.
Output: higher
Question: Milo threw both a basketball and a baseball through the air. If the basketball has more mass then the baseball, which ball has more kinetic energy? 
 Option1: basketball 
 Option2: baseball 
 Explanation: An object with greater mass or greater velocity has more kinetic energy.
Output: basketball
Question: If greenhouse gases in the atmosphere were to be doubled, Earth will become 
 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: warmer
Question: If you put a lot of energy into some food the temperature of it will 
 Option1: increase 
 Option2: decrease 
 Explanation: The temperature of matter increases with the added energy.
Output: increase
Question: If Milo has just performed a hard workout and his body temperature increases, what happens to the size of his blood vessels? 
 Option1: decrease 
 Option2: increase 
 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: increase
Question: John's company committed to decrease greenhouse gas production worldwide. What likely happens to the global temperature in the future as a result? 
 Option1: it will increase 
 Option2: it will decrease 
 Explanation: A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.
Output: it will decrease
Question: A scientist sees that some galaxies are further apart than before, so they know that the universe's expansion is 
 Option1: less 
 Option2: more 
 Explanation: As the Universe expands, galaxies move further and further apart.
Output: more
Question: Ian sees an object with few colliding particles, and he compares it to another object with few colliding particles. Which is true about the objects? 
 Option1: the object with many colliding particles has a lower concentration of particles 
 Option2: the object with many colliding particles has a higher concentration of particles 
 Explanation: At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.
Output: the object with many colliding particles has a lower concentration of particles
Question: If Mona adds more water to her cauldron of melting rock, what will happen to the melting point of that rock? 
 Option1: increase 
 Option2: decrease 
 Explanation: As the amount of water increases, the melting point of rock decreases.
Output: decrease
Question: When there are fewer carbon atoms in something there are 
 Option1: many options 
 Option2: few options 
 Explanation: A: The more carbon atoms there are, the greater the number of possible arrangements of carbon atoms.
Output: few options
Question: Eric increased the heat of the molecules. They now vibrate 
 Option1: faster 
 Option2: slower 
 Explanation: Warmer molecules vibrate faster than cooler ones.
Output: faster
Question: If you mixed salt water and regular water which would float? 
 Option1: regular water 
 Option2: salt water 
 Explanation: Water density increases as salinity and pressure increase, or as temperature decreases.
Output: regular water
Question: A structure with an increased surface area will _____ in functioning. 
 Option1: increase 
 Option2: decrease 
 Explanation: In Life Sciences it is important to note that whenever a structure has an increased surface area, there is an increase in the functioning of that structure.
Output: increase
Question: Jim is playing with a rubber band by stretching and releasing it. Would he feel less resistance stretching the band to 
 Option1: 40 cm or 
 Option2: 30 cm 
 Explanation: The farther you stretch the band, the greater the resistance is.
Output: 30 cm
Question: John monitors the log to see the temperature of the water, and he notices that as the temperature rises, the evaporation rate is 
 Option1: Higher 
 Option2: Lower. 
 Explanation: In transipration, at warmer temperatures water molecules move faster, and the rate of evaporation from stomata is therefore much faster.
Output: Higher
Question: Eric relaxes a rubber band. The band's resistance 
 Option1: decreases 
 Option2: increases 
 Explanation: The farther you stretch the band, the greater the resistance is.
Output: decreases
Question: An electromagnetic wave is traveling. Ned notices that the wave has stayed at its origin. As it travels, it is 
 Option1: more diluted 
 Option2: less diluted. 
 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: less diluted.
Question: If Mona is making lemonade and she decreases the acidity of it by adding more lemons, what happens to its closeness to pH 0? 
 Option1: increases 
 Option2: decreases 
 Explanation: The more acidic a solution is, the closer its pH value will be to 0
Output: decreases
Question: When we spend time lifting a lot of weights we become 
 Option1: weaker 
 Option2: stronger 
 Explanation: Anaerobic exercises cause muscles to get bigger and stronger.
Output: stronger
Question: If Jim removes hydrogen ions from his solution, what will happen to the level of acidity? 
 Option1: it will become less acidic 
 Option2: it will become more acidic 
 Explanation: With a higher concentration of hydrogen ions, a solution is more acidic but has a lower pH.
Output: it will become less acidic
Question: The gravitational force between two things that are far apart is 
 Option1: weaker 
 Option2: stronger 
 Explanation: The closer the field lines are drawn together, the stronger the field being described.
Output: weaker
Question: An asteroid traveled equal distance between a small massed planet and a large massed planet and got caught by one of their gravitational pulls. Which one is less likely to have caught the asteroid? 
 Option1: Small planet 
 Option2: Large planet 
 Explanation: Objects with greater mass have a stronger force of gravity between them.
Output: Small planet
Question: When we dig up rocks the deeper we get the rocks get 
 Option1: older 
 Option2: younger 
 Explanation: Older rocks are at the bottom and younger rocks are at the top.
Output: older
Question: As more goats are introduced to an area with grass what will happen to the grass levels? 
 Option1: increase 
 Option2: decrease 
 Explanation: In an inverse relationship, when one variable increases, the other variable decreases.
Output: decrease
Question: Ian decreases the pH of his water. Its pH value becomes more 
 Option1: acidic 
 Option2: basic 
 Explanation: The more basic a solution is, the closer its pH value will be to 14.
Output: acidic
Question: If a dog is extremely unfit and unhealthy 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: less offspring
Question: Charles sees an atom through the microscope that is the smallest 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: close to
Question: Don is getting screened for cancer. Because his cancer is caught early, at the first screening, the chance of a cure is 
 Option1: greater 
 Option2: lesser 
 Explanation: The sooner cancer is treated, the greater the chances of a cure.
Output: greater
Question: If Milo is out exploring and he comes across two glaciers, each with their own u-shaped valley, will the smaller or larger glacier have a larger u-shaped valley? 
 Option1: larger glacier 
 Option2: smaller glacier 
 Explanation: Smaller tributary glaciers, like tributary streams, flow into the main glacier in their own shallower U-shaped valleys.
Output: larger glacier
Question: Eric drank a glass of juice. The juice tasted sweet. The pH of the drink is likely closest to 
 Option1: 0 
 Option2: 1 
 Explanation: The more acidic a solution is, the closer its pH value will be to 0
Output: 1
Question: Geremy went to the gym frequently, while Tim did not. Who likely has larger muscles? 
 Option1: Geremy 
 Option2: Tim 
 Explanation: Exercising muscles increases their size, and bigger muscles have greater strength.
Output: Geremy
Question: By moving a Geiger counter from a block of Uranium to a rock that has lower radiation, was the scientist able to hear 
 Option1: more clicks 
 Option2: fewer clicks? 
 Explanation: The faster the clicks of a Geiger counter occur, the higher the level of radiation.
Output: fewer clicks?
Question: John was watching the sound waves in his electronic monitor when he noticed something. The speed of the sound waves was slower when the temperature was 
 Option1: higher 
 Option2: lower 
 Explanation: For a given medium, sound waves travel more slowly at lower temperatures.
Output: lower
Question: When people forgot how to farm the population 
 Option1: decreased 
 Option2: increased 
 Explanation: More recently, the death rate has fallen because of the availability of more food and medical advances.
Output: decreased
Question: As the air becomes drier, 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: increase
Question: Tommy traded in his four-cylinder Pinto for an eight-cylinder Mustang. The Pinto engine was 
 Option1: more powerful 
 Option2: less powerful. 
 Explanation: The more cylinders a car engine has, the more powerful its engine can be.
Output: less powerful.
Question: When people get older what happens to their risk of cancer? 
 Option1: decreases 
 Option2: increases 
 Explanation: Breast cancer is rare in teens. It becomes more common as women get older.
Output: increases
Question: Air pressure is lower in the 
 Option1: mountains 
 Option2: valleys. 
 Explanation: Air pressure is less at higher elevations.
Output: mountains
Question: If Mona is comparing an orange and an apple and she determines that the apple is more 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: apple
Question: If you were to cool down steel what would happen to its thermal energy? 
 Option1: increase 
 Option2: decrease 
 Explanation: If two objects have the same mass, the object with the higher temperature has greater thermal energy.
Output: decrease
Question: Decker pulls some taffy as far as he can. The elastic potential energy of the candy would 
 Option1: increase 
 Option2: decrease 
 Explanation: The farther the object is stretched or compressed, the greater its elastic potential energy is.
Output: increase
Question: The air gets thinner when it is 
 Option1: hot 
 Option2: cold 
 Explanation: Increasing air temperature decreases atmospheric pressure.
Output: hot
Question: When two crests are closes together in a wave what increases? 
 Option1: frequency 
 Option2: amplitude 
 Explanation: The closer together the particles are, the greater the amplitude of the wave.
Output: amplitude
Question: John was looking at the weather data and making some observations. He saw that with less trees, droughts were 
 Option1: Greater 
 Option2: Lesser 
 Explanation: With fewer trees, the air is drier and droughts are more common.
Output: Greater
Question: Sue measured water to be a pH of 7, and she measured bleach at a pH of 11. Which substance is more basic? 
 Option1: water 
 Option2: bleach 
 Explanation: For bases we can state the folllowing: The higher the pH of a substance, the more basic it is.
Output: bleach
Question: Bob increased the rope segments on his pully; this means he will need to use _____ force on it. 
 Option1: more 
 Option2: less 
 Explanation: The more rope segments on a pully that are helping to do the lifting work, the less force that is needed for the job.
Output: less
Question: If your larynx were to grow, your voice would become _____ deep. 
 Option1: more 
 Option2: less 
 Explanation: The voice becomes deeper as the larynx in the throat grows larger.
Output: more
Question: If Mary is cleaning her pool and she increases 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: decreases
Question: An aquifer deep down will provide _____ access to its water than one near the surface. 
 Option1: easier 
 Option2: harder 
 Explanation: The closer to the surface an aquifer is, the easier it is to get the water.
Output: harder
Question: Mike wants his voice to travel slowly, so he will speak in a room that is 
 Option1: colder 
 Option2: warmer 
 Explanation: For a given medium such as air, sound has a slower speed at lower temperatures.
Output: colder
Question: If Jim has a container of hydrogen gas that is 50 liters in volume and he moves the gas to a container that is 40 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: increases
Question: The largest alkenes should have the _____ boiling and melting points. 
 Option1: lowest 
 Option2: highest 
 Explanation: Larger alkenes have lower boiling and melting points, so they are liquids or waxy solids at room temperature.
Output: lowest
Question: The thinner a resistor equals _____ resistance. 
 Option1: less 
 Option2: more 
 Explanation: Thicker resistors offer less resistance than thinner resistors.
Output: more
Question: Causing a series to lose resistors will result in a/an _____ in the total resistance of the circuit. 
 Option1: increase 
 Option2: decrease 
 Explanation: As more resistors are added in series, the total resistance of the circuit increases.
Output: decrease
Question: Sara is in a container representing an object. Her container has 30 balls flying around, representing particles. Tyler is in another container, and his contains 5 balls. Which person's container likely would be under the least pressure? 
 Option1: Sara's 
 Option2: Tyler's 
 Explanation: More particles inside the container means more collisions, and more collisions mean a higher pressure.
Output: Tyler's
Question: Eric adds 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: increases
Question: The population of coyotes has risen in Michigan, this raise in opportunistic predators has made the cat population 
 Option1: raise 
 Option2: lower. 
 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: lower.
Question: If you use a thin 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: harder
Question: Devon's cat, Fluffy, is looking for a nice warm spot to lay out in the sun. Because of how the sun heats the earth, and how some heat radiates into the air, the cat laying high up in a tree branch, rather than on the ground, would keep the cat 
 Option1: cooler 
 Option2: warmer 
 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: cooler
Question: When something gets very hot does it move 
 Option1: slower 
 Option2: faster 
 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: As goats are removed from an area with grass what will happen to the grass levels? 
 Option1: increase 
 Option2: decrease 
 Explanation: In an inverse relationship, when one variable increases, the other variable decreases.
Output: increase
Question: Tina cools some oxygen gas. The oxygen particles will move 
 Option1: faster 
 Option2: slower 
 Explanation: If the gas is heated, the particles will move faster as they gain more energy.
Output: slower
Question: Karly is studying two rivers and how they are affecting the rock around them. If the 2nd river she looks at is half 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: less
Question: If Milo increases the number of crests of his wave, what happens to the frequency of his wave? 
 Option1: increases 
 Option2: decreases 
 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: increases
Question: If Jim decreases the pH value of his swimming pool, the base becomes 
 Option1: stronger 
 Option2: weaker 
 Explanation: The higher the pH value is, the stronger the base.
Output: weaker
Question: John was looking at the substances and noticed something. The stronger that the acid was, the concentration of Ions became 
 Option1: Larger 
 Option2: Smaller 
 Explanation: A stronger acid produces a greater concentration of ions than a weaker acid.
Output: Larger
Question: If you have a wire that is long it will have 
 Option1: low resistance 
 Option2: high resistance 
 Explanation: Longer length resistors will offer more resistance than shorter resistors.
Output: high resistance
Question: Planets coming closer means there will be _____ gravitational force between them. 
 Option1: more 
 Option2: less 
 Explanation: The further objects are away from each other, the smaller the gravitational force.
Output: more
Question: Ray analyzed the color of moths for a project. He notices that black moths produce more adult offspring than white ones. The white moth's traits will likely become _____ common over time. 
 Option1: less 
 Option2: more 
 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: less
Question: A city will grow smaller when the number of people who are there 
 Option1: grows 
 Option2: shrinks 
 Explanation: More people also means more clearing of land for agriculture and development.
Output: shrinks
Question: Compared to a block of ice , would the water molecules in a kettle of boiling water move 
 Option1: faster? 
 Option2: slower 
 Explanation: The more energy the particles in matter have, the faster and more strongly they vibrate.
Output: faster?
Question: If Jim changes his radio transmitter to a higher frequency, the energy produced is 
 Option1: greater 
 Option2: smaller 
 Explanation: Higher frequency waves have greater energy.
Output: greater
Question: When there are a lot of waves things are eroded 
 Option1: faster 
 Option2: slower 
 Explanation: The bigger the waves are and the more sediment they carry, the more erosion they cause.
Output: faster
Question: Years from now, solar power will be _____ than it is today. 
 Option1: more expensive 
 Option2: less expensive 
 Explanation: Solar power is expensive, but as demand increases technology improves and costs decrease.
Output: less expensive
Question: As you pull on a string the harder that you pull it the _____ the force. 
 Option1: greater 
 Option2: weaker 
 Explanation: The farther apart you move your hands, the stronger the force of the rubber band pulling your hands together.
Output: greater
Question: When a star is moving away from a planet, the star will be pulled into it if the gravitational force is 
 Option1: weaker 
 Option2: stronger 
 Explanation: The closer objects are to each other, the stronger the gravitational force between them.
Output: weaker
Question: Suppose that Mary smokes cigarettes for 20 years. If you measured the oxygen levels in her blood before she started smoking and compared them to oxygen levels later in her life, what would you find? 
 Option1: less oxygen in her blood later in life 
 Option2: more oxygen in her blood later in life 
 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: less oxygen in her blood later in life
Question: Chris is studying Lake Michigan. He takes soil samples from the Lake in two places. The first sample he takes from right near the shore. The second sample is taken from the middle of the lake. The _____ sample will have greater dissolved nutrients in it. 
 Option1: first 
 Option2: second 
 Explanation: Water near shore generally has more dissolved nutrients than water farther from shore.
Output: first
Question: Rich is 60 years old and Tony is 30 years old. _____ has a greater risk of developing cardiovascular disease. 
 Option1: Rich 
 Option2: Tony 
 Explanation: Older age, male gender, and a family history of cardiovascular disease all increase the risk of developing cardiovascular diseases and cant be controlled.
Output: Rich
Question: Two people are standing out in the sunlight; one with dark skin, one with light skin. The person with dark skin will be burned 
 Option1: more 
 Option2: less 
 Explanation: Light-skinned people get sunburned more quickly than people with darker skin.
Output: less
Question: It Jim makes his resistor longer, the resistance is exhibits is 
 Option1: smaller 
 Option2: greater 
 Explanation: The longer the resistor, the more resistance it has.
Output: greater
Question: Sally has an electron. Sue has an electron that is farther from the nucleus. Whose electron has lower energy? 
 Option1: Sally 
 Option2: Sue 
 Explanation: Electrons at lower energy levels, which are closer to the nucleus, have less energy.
Output: Sally
Question: If Mona is exploring different continents and she notices that Africa is cooler then North America, which continent will have more types of vegetation? 
 Option1: North America 
 Option2: Africa 
 Explanation: The warmer a climate is, the more types of vegetation it will have and the greater the rate of biological weathering.
Output: North America
Question: If demand for solar power were to fall, the power would become _____ expensive. 
 Option1: less 
 Option2: more 
 Explanation: Solar power is expensive, but as demand increases technology improves and costs decrease.
Output: more
Question: Derek's dad was now at a reduced risk of getting a cardiovascular disease, even though nothing about his lifestyle or diet changed. The thing that did change is that his dad is now considered to be at a 
 Option1: larger age 
 Option2: smaller age 
 Explanation: The older a person is, the greater their chance of developing a cardiovascular disease.
Output: smaller age
Question: If America has a bigger industrial sector then China, which country will produce more hazardous waste? 
 Option1: America 
 Option2: China 
 Explanation: Nations that have more industry produce more hazardous waste.
Output: America
Question: To view the most stars, use a larger telescope because it can collect 
 Option1: more or 
 Option2: less light. 
 Explanation: Larger telescopes can collect more light.
Output: more or
Question: Peter removed salt to his juice one morning. The mixture became _____ dense. 
 Option1: more 
 Option2: less 
 Explanation: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.
Output: less
Question: Tom was digging in his backyard one day, after two inches he picked up an oval shaped rock. Tom kept digging and after twelve inches he picked up a square shaped rock, which rock was younger? 
 Option1: The Oval Shaped Rock 
 Option2: The Square Shaped Rock 
 Explanation: The upper rock layers are much younger.
Output: The Oval Shaped Rock
Question: Dwayne Johnson is weaker than Kevin Hart because he exercises less and therefore his muscles have grown 
 Option1: larger or 
 Option2: smaller. 
 Explanation: Exercising muscles increases their size, and bigger muscles have greater strength.
Output: smaller.
Question: If Jim decreases the number of segments on a rope he is using as a pully, the amount of force that he needs to apply when lifting something with the rope 
 Option1: increases 
 Option2: decreases 
 Explanation: The more rope segments on a pully that are helping to do the lifting work, the less force that is needed for the job.
Output: increases
Question: When a number on the pH scale is very low it is said to be 
 Option1: acidic 
 Option2: basic 
 Explanation: The more basic a solution is, the closer its pH value will be to 14.
Output: acidic
Question: Greta lost weight after eating food. Her force of gravity 
 Option1: increased 
 Option2: decreased 
 Explanation: Objects with greater mass have a stronger force of gravity.
Output: decreased
Question: If Mona adds some mass to the object she is creating for her school project, what happens to the gravitational attraction of that object? 
 Option1: increase 
 Option2: decrease 
 Explanation: The greater the objects mass, the greater the force of gravitational attraction.
Output: increase
Question: If Mary is running and race and begins to breathe hard, what happens to the air pressure in her lungs as she constricts her chest? 
 Option1: increases 
 Option2: decreases 
 Explanation: Exhaling, or breathing out, decreases the size of the chest, which increases air pressure inside the lungs.
Output: increases
Question: Milo operates a greenhouse for profit. One day he turns down the humidity controls. What will happen to the rate of transpiration of the plants in the greenhouse? 
 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: Dan is watching the ship leave the dock. While the ship is near him, it is massive. However, as the ship floats away, it begins to look 
 Option1: bigger 
 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: smaller
Question: Jim loves to build circuits. One day he builds a circuit that has less resistors then any other circuit he has built. Since the circuit has less resistors the amount of current in the circuit is 
 Option1: reduced 
 Option2: increased 
 Explanation: We also saw that adding resistors to a series circuit increases the total resistance of the circuit, causing the current to decrease.
Output: increased
Question: Will has a pully with 5 rope segments. Alan's pully has an equal size rope with 7 segments. Which person needs less force to do the same job? 
 Option1: Will 
 Option2: Alan 
 Explanation: The more rope segments on a pully that are helping to do the lifting work, the less force that is needed for the job.
Output: Alan
Question: If Milo is part of a larger population then Jerry is, which person's population will experience greater drifting of allele frequencies? 
 Option1: Milo 
 Option2: Jerry 
 Explanation: The smaller a population is, the more allele frequencies may drift.
Output: Jerry
Question: A person that is white will get _____ than an African American person at the beach. 
 Option1: less sunburned 
 Option2: more sunburned 
 Explanation: Light-skinned people get sunburned more quickly than people with darker skin.
Output: more sunburned
Question: The United States manufactured many more products last year than Belize did. This results in _____ producing a higher amount of hazardous waste. 
 Option1: Belize 
 Option2: the United States 
 Explanation: Nations that have more industry produce more hazardous waste.
Output: the United States
Question: Andy is noticing that all of the waves in the area are higher-frequency waves. Andy can then deduce that these waves have energy that is 
 Option1: more 
 Option2: less 
 Explanation: Higher-frequency waves have more energy.
Output: more
Question: Jeffrey increases the number of carbon atoms to a natural gas hydrocarbon in a lab. The isomers 
 Option1: increase 
 Option2: decrease 
 Explanation: As you increase the number of carbon atoms in a hydrocarbon, the number of isomers quickly increases.
Output: increase
Question: When you use more force to move a car it will 
 Option1: move less 
 Option2: move further 
 Explanation: When two skateboarders push against each other, it causes them to move apart. The harder they push together, the farther apart they move.
Output: move further
Question: When people breathe out their chest becomes 
 Option1: larger 
 Option2: smaller 
 Explanation: Exhaling, or breathing out, decreases the size of the chest, which increases air pressure inside the lungs.
Output: smaller
Question: Dana draws many field lines on the chart. The field she is representing is likely 
 Option1: strong 
 Option2: weak 
 Explanation: The more field lines that are drawn, the stronger the field.
Output: strong
Question: If a muscle is not exercised, it will become 
 Option1: bigger 
 Option2: smaller 
 Explanation: Muscles that are exercised are bigger and stronger than muscles that are not exercised.
Output: smaller
Question: If Jim removes resistors from the circuit he is building for his school science project, what will happen to the overall resistance of the circuit? 
 Option1: it will increase 
 Option2: it will decrease 
 Explanation: Increasing the number of resistors in a series circuit increases the overall resistance of the circuit.
Output: it will decrease
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 more light 
 Option2: the flat pane refracts more light. 
 Explanation: The more curved the surface of a lens is, the more it refracts the light that passes through it.
Output: the curved lens refracts more light
Question: Will launches a rocket off the ground. As the speed of the gas that comes from the boosters increases, 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: increases
Question: If Ed adds a resistor to the circuit, the resistance will be 
 Option1: greater 
 Option2: lower. 
 Explanation: As more resistors are added in series, the total resistance of the circuit increases.
Output: greater
Question: You would find worse air near a 
 Option1: factory 
 Option2: wooded area. 
 Explanation: More pollutants mean poorer air quality.
Output: factory
Question: Kate makes a machine that is very unproductive, and it gets work done slowly, because it uses force in amounts that are 
 Option1: lesser 
 Option2: greater 
 Explanation: Machines make work easier by increasing the amount of force that is applied, increasing the distance over which the force is applied, or changing the direction in which the force is applied.
Output: lesser
Question: Jeffrey decreases the number of carbon atoms to a natural gas hydrocarbon in a lab. The isomers 
 Option1: increase 
 Option2: decrease 
 Explanation: As you increase the number of carbon atoms in a hydrocarbon, the number of isomers quickly increases.
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 greater 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: 10 crests
Question: When you have a lot of factories in an area the level of trash will 
 Option1: increase 
 Option2: decrease 
 Explanation: Nations that have more industry produce more hazardous waste.
Output: increase
Question: Places that are near the middle of earth are generally 
 Option1: colder 
 Option2: warmer 
 Explanation: Areas near the equator are warmer than areas near the poles because they receive more direct sunlight.
Output: warmer
Question: A doctor took two urine samples from Kyle, one on Tuesday and one on Wednesday. The Tuesday sample was a darker color than the Wednesday sample, which means that there was more water in 
 Option1: the Tuesday sample 
 Option2: the Wednesday sample. 
 Explanation: The darker the urine, the less water it contains.
Output: the Wednesday sample.
Question: Lizzie visited a village where no predator wiped 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: larger
Question: When it gets cold out what happens to our blood flow? 
 Option1: decreases 
 Option2: increases 
 Explanation: On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body.
Output: decreases
Question: Low frequency bass notes have what length wavelengths 
 Option1: long 
 Option2: short 
 Explanation: Longer wavelength electromagnetic waves have lower frequencies, and shorter wavelength waves have higher frequencies.
Output: long
Question: Ryan noticed that a popular solar panel is _____ expensive than it was. 
 Option1: more 
 Option2: less 
 Explanation: Solar power is expensive, but as demand increases technology improves and costs decrease.
Output: less
Question: Ollie is a rocket scientist and was testing missiles. Better missiles likely result in _____ rockets. 
 Option1: worse 
 Option2: better 
 Explanation: The development of better missiles fostered better rocket technologies.
Output: better
Question: David is getting ready to fly into space on a rocket. As the rocket shoots upwards, part of the mass attaches, allowing the rocket to go 
 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: If Jim climbs to the bottom of a mountain and takes the temperature after taking the temperature at the top of the mountain, which area will he get a higher 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: bottom of the mountain
Question: Jeff noticed the food supply changed over time in his city. The destruction of farming machines likely caused the food supply to 
 Option1: decrease 
 Option2: increase 
 Explanation: Better farming techniques and machines increased the food supply and the distribution of food.
Output: decrease
Question: A rocket should be able to fly higher if its mass were 
 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: Lisa is hitting a tennis ball against the wall. As the tennis ball bounces towards the wall and away from her, the magnetic force of attraction between the wall and the ball 
 Option1: increases 
 Option2: decreases. 
 Explanation: As the distance between the objects increases the magnetic force of attraction decreases.
Output: increases
Question: When a city expands the distance across the city 
 Option1: decreases 
 Option2: increases 
 Explanation: As the Universe expands, galaxies move further and further apart.
Output: increases
Question: If pressure has exerted more force on a rock and increased 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: harder to determine what the original rock was?
Question: Derek felt cold as he stood in the shade, and since his body was cooling down, he knew that his blood vessels in his skin were 
 Option1: expanding 
 Option2: contracting 
 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: contracting
Question: Tim adjusted his microwave so that it was at a lower frequency. This resulted in the waves inside the microwave to have 
 Option1: less energy 
 Option2: more energy. 
 Explanation: With higher frequencies, the microwaves also have more energy.
Output: less energy
Question: Sally has an electron. Sue has an electron that is closer to the nucleus. Whose electron has lower energy? 
 Option1: Sally 
 Option2: Sue 
 Explanation: Electrons at lower energy levels, which are closer to the nucleus, have less energy.
Output: Sue
Question: Jim is playing with a rubber band by stretching and releasing it. Would he feel more resistance stretching the band to 
 Option1: 40 cm or 
 Option2: 30 cm 
 Explanation: The farther you stretch the band, the greater the resistance is.
Output: 40 cm or
Question: If Mona is unpacking coffee into a tin and she continues to remove 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: decreases
Question: Evan is picking up rocks on the beach. Some rocks are very basic small ones, and others are large, clumpy stones with different textures. The rocks that are less difficult to identify had amounts of metamorphism that were 
 Option1: more extreme 
 Option2: less extreme 
 Explanation: The more extreme the amount of metamorphism, the more difficult it is to tell what the original rock was.
Output: less extreme
Question: An object with little elastic potential energy _____ be easily stretched. 
 Option1: will 
 Option2: won't 
 Explanation: The more an elastic object is stretched or compressed, the greater its elastic potential energy is.
Output: will
Question: If you use less force when accelerating a car it will go 
 Option1: slower 
 Option2: faster 
 Explanation: The harder the batter hits the ball, the greater will be its acceleration.
Output: slower
Question: A dark-skinned person will sunburn _____ than a pale person. 
 Option1: slower 
 Option2: faster 
 Explanation: Light-skinned people get sunburned more quickly than people with darker skin.
Output: slower
Question: During a game of tug-o-war, two teams are pulling a rope, the team that will pull the least 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: less
Question: Causing particles in a longitudinal wave to come together causes the amplitude to 
 Option1: decrease 
 Option2: increase 
 Explanation: The closer together the particles in a longitudinal wave are, the greater the amplitude.
Output: increase
Question: Jan lives in a great country and she is rich. Compared to another person in a poorer country, Jan will use an amount of energy that is 
 Option1: greater 
 Option2: lesser 
 Explanation: People in the richer nations of the world use far more energy, especially energy from fossil fuels, than people in the poorer nations do.
Output: greater
Question: Polly was out in the sun. She has dark skin. Her skin likely absorbs _____ vitamin D than a light-skinned person. 
 Option1: more 
 Option2: less 
 Explanation: Pigments in the skin act like a filter that can prevent the skin from making vitamin D. As a result, people with darker skin need more time in the sun than people with lighter skin to make the same amount of vitamin D.
Output: less
Question: Jay's risk of breast cancer is 10% at age 25. What will happen to her risk of breast cancer at age 50? 
 Option1: it will decrease 
 Option2: it will increase 
 Explanation: Breast cancer is rare in teens but becomes more common as females get older.
Output: it will increase
Question: Ann and Bob were both farmers. Ann lived in a colder climate while Bob lived in a warmer climate. When they compared notes they found that the number of crops they could successfully grow was different. Who's farm would be able to grow more types of crops? 
 Option1: Bob 
 Option2: Ann 
 Explanation: The warmer a climate is, the more types of vegetation it will have and the greater the rate of biological weathering.
Output: Bob
Question: A genotype with good fitness will likely produce _____ offspring than a more fit one. 
 Option1: more 
 Option2: less 
 Explanation: Genotypes with greater fitness produce more offspring and pass more copies of their alleles to the next generation.
Output: more
Question: Eric adds more resistors to the series circuit. The resistance 
 Option1: increases 
 Option2: decreases 
 Explanation: In a series circuit, the resistance increases as more resistors are added in series.
Output: increases
Question: Will was pulling some magnets apart. When is the electrostatic force the lowest? 
 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 far
Question: When in the stratosphere, Dean can tell that the temperature is getting cooler as the altitude he is at 
 Option1: increases 
 Option2: decreases 
 Explanation: The stratosphere contains the ozone layer, the temperatures increase as altitude increases.
Output: decreases
Question: Henry noticed that his piece of cake was heavier than his piece of butter. The cake was _____ dense. 
 Option1: more 
 Option2: less 
 Explanation: A given volume of a denser substance is heavier than the same volume of a less dense substance.
Output: more
Question: Donna wants to have her water molecules move faster through transpiration, so she will make the temperature 
 Option1: cooler 
 Option2: warmer 
 Explanation: In transipration, at warmer temperatures water molecules move faster, and the rate of evaporation from stomata is therefore much faster.
Output: warmer
Question: John was watching the planets rotate around the sun. He noticed that was the distance between the sun and earth is higher, the speed of Earth is 
 Option1: Higher 
 Option2: Lower 
 Explanation: The Earth travels faster in its elliptical orbit when it is closer to the Sun than when it is farther away.
Output: Lower
Question: Would a big star be 
 Option1: hotter 
 Option2: colder 
 Explanation: Bigger stars produce more energy, so their surfaces are hotter.
Output: hotter
Question: If Jim raises the temperature of the air inside his balloon, will his balloon rise higher into the air or sink towards the ground? 
 Option1: rise higher 
 Option2: sink lower 
 Explanation: Warm air is less dense than cool air, so it rises higher in the troposphere.
Output: rise higher
Question: As waves get larger the frequency of them 
 Option1: increases 
 Option2: decreases 
 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: decreases
Question: Tony is laying cable that is 1 inch in diameter, while Rita lays cable that is 0.1 inches in diameter. Who's cable offers more resistance? 
 Option1: Tony 
 Option2: Rita 
 Explanation: Thicker resistors offer less resistance than thinner resistors.
Output: Rita
Question: If there are fewer bacteria with the right mutation, will the occurrence of the mutation become 
 Option1: more 
 Option2: less 
 Explanation: Bacteria with a mutation the helps resist antibiotics increase in numbers, so the mutation becomes more common.
Output: less
Question: Adam had a moderate voice as a child, but as his larynx grew larger with age, his voice got 
 Option1: higher 
 Option2: deeper 
 Explanation: The voice becomes deeper as the larynx in the throat grows larger.
Output: deeper
Question: John was looking at the ocean water and made a great observation. The water nearer the shores had an amount of nutrients that was 
 Option1: Greater 
 Option2: Lesser 
 Explanation: Therefore, water nearer shore usually contains more dissolved nutrients than water farther from shore.
Output: Greater
Question: If an acid is weak, it's concentration of ions will be 
 Option1: increased 
 Option2: decreased. 
 Explanation: A stronger acid produces a greater concentration of ions than a weaker acid.
Output: decreased.
Question: If Milo is experimenting in his lab and he increases the temperature in the room, what happens to the energy of the particles in that room? 
 Option1: it increases 
 Option2: it decreases 
 Explanation: At higher temperatures, particles of reactants have more energy, so they move faster.
Output: it increases
Question: When Dave screams outside he notices that the sound travels at different speeds in different temperatures. The sound travels faster when it is 
 Option1: cold. 
 Option2: hot 
 Explanation: For a given medium, sound has a slower speed at lower temperatures.
Output: hot
Question: Mona is measuring electrons and their energy levels for a school science project. Some electrons are closer to the nucleus compared to others. Do closer electrons or electrons that are further away have less energy? 
 Option1: closer 
 Option2: further away 
 Explanation: Electrons at lower energy levels, which are closer to the nucleus, have less energy.
Output: closer
Question: The pulling force of a rubber band will _____ when you move your hands apart. 
 Option1: increase 
 Option2: decrease 
 Explanation: The farther apart you move your hands, the stronger the force of the rubber band pulling your hands together.
Output: increase
Question: When someone gets older what happens to their heart 
 Option1: stronger 
 Option2: weaker 
 Explanation: The older a person is, the greater their chance of developing a cardiovascular disease.
Output: weaker
Question: If we bring two small magnets next to each other they will have _____ force than two large magnets. 
 Option1: more 
 Option2: less 
 Explanation: The closer objects are to each other, the stronger the gravitational force between them.
Output: less
Question: When a car is going fast it has 
 Option1: low energy 
 Option2: high energy 
 Explanation: Faster-moving water has more energy.
Output: high energy
Question: Mike is looking at two cars to buy. The first car, a Toyota, uses twice as much oil and fossil fuels to run, compared to the Kia he is looking at. If Mike wants to buy the car that causes less pollution, he should buy the 
 Option1: Toyota 
 Option2: Kia 
 Explanation: Greater use of oil and other fossil fuels causes more pollution.
Output: Kia
Question: Mona is excavating a deep tunnel as part of an exploratory committee. As she travels upwards back from the Earth, what can she expect will happen to the temperature? 
 Option1: increase 
 Option2: decrease 
 Explanation: Temperature increases with depth inside the Earth, so melting of rocks is more likely to occur at greater depths.
Output: decrease