questionID stringlengths 10 10 | question_text stringlengths 5 324 | answer_choices stringlengths 17 473 | correct_answer stringclasses 7
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NDQ_015207 | For a fixed volume of gas, the gass pressure depends on | a. its mass, b. its temperature, c. the shape of its container, d. two of the above | d |
NDQ_015208 | The pressure of a gas can be increased by | a. increasing its temperature, b. decreasing its temperature, c. increasing its volume, d. decreasing its mass | a |
NDQ_015209 | What always happens when a gas is heated? | a. Its volume increases, b. Its pressure increases, c. Its particles gain kinetic energy, d. all of the above | c |
NDQ_015210 | If you put an inflated balloon inside a freezer, you can predict that it will shrink based on | a. Boyles law, b. Charless law, c. Amontonss law, d. none of the above | b |
NDQ_015211 | Increasing the volume of a gas decreases its | a. mass, b. pressure, c. temperature, d. kinetic energy | b |
NDQ_015212 | At sea level, the pressure of Earths atmosphere is | a. 14.7 lb/cm2, b. 14.7 N/in2, c. 10.14 N/cm2, d. 10.14 lb/in2 | c |
NDQ_016132 | particles of air are constantly moving. | a. true, b. false | a |
NDQ_016134 | air pressure decreases as altitude decreases. | a. true, b. false | b |
NDQ_016135 | average sea level air pressure is about | a. 101 kpa, b. 151 kpa, c. 201 kpa, d. none of the above | a |
NDQ_016136 | atmospheric pressure at the top of mount everest is about 2/3 the pressure at sea level. | a. true, b. false | b |
NDQ_016137 | air pressure changes with altitude because of changes in | a. density of the atmosphere, b. depth of the atmosphere, c. temperature of the atmosphere, d. two of the above | d |
NDQ_016139 | when you inhale | a. the diaphragm contracts, b. .the rib cage contracts, c. the lungs contract, d. two of the above | a |
NDQ_016140 | when you exhale | a. the diaphragm contracts, b. the rib cage expands, c. the lungs contract, d. two of the above | c |
NDQ_016174 | heating a gas causes its particles to have | a. greater pressure, b. faster motion, c. more collisions, d. all of the above | d |
NDQ_016175 | gas molecules at a higher temperature have more energy. | a. true, b. false | a |
NDQ_016177 | the relationship between the temperature and volume of gas is known as amontons law. | a. true, b. false | b |
NDQ_016179 | which of the following units could be used to measure the pressure of a gas? | a. pounds per inch, b. newtons per square meter, c. kilograms per square meter, d. none of the above | b |
NDQ_016180 | particles of a gas have movement only when they are heated. | a. true, b. false | b |
NDQ_016181 | amontons developed his law in the | a. 1500s, b. 1600s, c. 1700s, d. 1800s | b |
NDQ_016252 | the spoiler on a racecar causes air pressure to push the car forward. | a. true, b. false | b |
NDQ_016255 | bernoulli arrived at his law by using | a. astronomy, b. psychology, c. mathematics, d. none of the above | c |
NDQ_016256 | bernoullis law explains how an airplane can stay aloft. | a. true, b. false | a |
NDQ_016257 | the shape of an airplane wing causes | a. air to flow more slowly below the wing than above it, b. air pressure to be greater above the wing than below it, c. air to flow only under the wing and not above it, d. air pressure to be less in front of the wing than behind it | a |
NDQ_016259 | the spoiler on a racecar is like an upside-down wing. | a. true, b. false | a |
NDQ_016260 | air pressure pushing down on a racecar | a. increases friction between the car and the track, b. decreases the speed of the car, c. makes it harder to keep the car on the track, d. two of the above | a |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | a. true, b. false | b |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | a. true, b. false | a |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | a. volume, b. pressure, c. temperature, d. none of the above | c |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | a. the bigger tire will have greater air pressure, b. the smaller tire will have greater air pressure, c. both tires will have the same air pressure, d. not enough information is provided to know the answer | b |
NDQ_016331 | boyles law applies to liquids as well as gases. | a. true, b. false | b |
NDQ_016444 | heating a gas gives its particles | a. more energy, b. greater speed, c. a higher temperature, d. all of the above | d |
NDQ_016446 | a hot air balloon inflates because it is pumped full of helium. | a. true, b. false | b |
NDQ_016448 | if you heat gas in a closed container that cannot expand, the gas will increase in | a. mass, b. volume, c. weight, d. pressure | d |
NDQ_016449 | what type of relationship exists between the temperature and volume of a gas? | a. inverse relationship, b. direct relationship, c. reverse relationship, d. none of the above | b |
NDQ_016451 | for a gas under constant pressure, volume and pressure increase together at a constant rate. | a. true, b. false | a |
NDQ_016573 | scientists often share the results of their research by making posters. | a. true, b. false | a |
NDQ_016575 | scientists add to the body of scientific knowledge by communicating their findings. | a. true, b. false | a |
NDQ_016577 | scientists may communicate about their research by | a. presenting papers at scientific conferences, b. publishing articles in science journals, c. creating a web site about their research, d. all of the above | d |
NDQ_017135 | which of the following is not an ethical rule in science? | a. scientific research must be reported honestly, b. scientific researchers should try to find the results they expect, c. scientific researchers must inform coworkers about any risks of their research, d. human subjects must be told that they may refuse to participate in the research | b |
NDQ_017139 | the study in alabama from the 1930s to 1970s that is described in the concept article violated ethical rules in science. what is one of the rules that it violated? | a. researchers must try to avoid errors in their data, b. researchers must fully inform human subjects about their role in the research, c. animals must be treated humanely in scientific research, d. none of the above | b |
NDQ_017184 | which type of scientist is most likely to do field studies? | a. environmental scientist, b. molecular biologist, c. quantum physicist, d. nuclear chemist | a |
NDQ_017187 | a field study might identify problems for follow-up investigations by laboratory experiments. | a. true, b. false | a |
NDQ_017189 | which of the following questions do you think would be most appropriately investigated with a field study instead of a laboratory experiment? | a. how much time does it take for a forest to regrow after a forest fire?, b. how much time does it take for a chemical to dissolve in a given volume of water at a certain temperature?, c. which of two drugs is taken up by bacterial cells more quickly?, d. how is a magnets strength affected by its temperature? | a |
NDQ_017190 | scientists who do field studies do not need to make careful measurements. | a. true, b. false | b |
NDQ_017272 | a gas always spreads out to fill all available space. | a. true, b. false | a |
NDQ_017273 | particles of gases are always | a. moving at random, b. bumping into each other, c. bumping into their container, d. all of the above | d |
NDQ_017276 | the si unit of pressure is | a. n/m2, b. mb/in2, c. mb/km2, d. none of the above | a |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | a. true, b. false | b |
NDQ_017280 | air pressure at sea level is closest to | a. 80 mb, b. 110 mb, c. 810 mb, d. 1010 mb | d |
NDQ_017362 | the person who introduced the idea of empiricism to science was | a. aristotle, b. geber, c. copernicus, d. einstein | a |
NDQ_017367 | contributions to science that occurred during the scientific revolution include | a. keplers law of planetary motion, b. einsteins general theory of relativity, c. newtons law of universal gravitation, d. two of the above | d |
NDQ_017370 | einstein explained gravity as a property of | a. space and time, b. matter and energy, c. mass and distance, d. none of the above | a |
NDQ_017403 | for a hypothesis to be a scientific hypothesis, it must be | a. true, b. testable, c. falsifiable if false, d. two of the above | d |
NDQ_017409 | the more evidence that accumulates in support of a hypothesis, the more likely the hypothesis is true. | a. true, b. false | a |
NDQ_017794 | formal ways that scientists communicate their research results to other scientists include | a. giving lectures at scientific conferences, b. writing articles for scientific publications, c. presenting their work at poster sessions, d. all of the above | d |
NDQ_017798 | an example of a general scientific publication is | a. science, b. journal of applied physics, c. american journal of physics, d. journal of the american chemical society | a |
NDQ_017913 | observations that indicate a chemical change has occurred might include | a. a change in color, b. the production of an odor, c. the release of gas bubbles, d. any of the above | d |
NDQ_017917 | which question cannot be answered directly with the senses? | a. is an object magnetic?, b. is an object giving off heat?, c. is an object light in weight?, d. is an object reflecting only red light? | a |
NDQ_017918 | which device could you use to answer the question in question 8? | a. spectrometer, b. thermometer, c. magnet, d. scale | c |
NDQ_017921 | water pressure increases as you go deeper in the ocean. | a. true, b. false | a |
NDQ_017923 | the depth of water where oceanic pressure is double atmospheric pressure at the surface is | a. 30 meters, b. 300 meters, c. 400 meters, d. 11000 meters | a |
NDQ_017924 | without special equipment, humans cannot withstand the pressure of ocean water below | a. 50 meters, b. 100 meters, c. 200 meters, d. 500 meters | d |
NDQ_017926 | the depth of the water at the place described in question 6 is | a. 500 meters, b. 700 meters, c. 900 meters, d. 11000 meters | d |
NDQ_017929 | for each additional meter below the oceans surface, pressure changes by 100 kpa. | a. true, b. false | b |
NDQ_017962 | pressure always spreads throughout a fluid. | a. true, b. false | a |
NDQ_017963 | you can increase pressure by increasing the force applied to a given area. | a. true, b. false | a |
NDQ_017964 | you can increase pressure by increasing the area over which a given force is applied. | a. true, b. false | b |
NDQ_017965 | the si unit for pressure is the | a. newton, b. watt, c. pascal, d. none of the above | c |
NDQ_017966 | fluid pressure is used in | a. car brakes, b. car lifts, c. airplane controls, d. all of the above | d |
NDQ_018013 | which career involves measuring and recording features on earths surface? | a. forensic technician, b. surveyor, c. optometrist, d. none of the above | b |
NDQ_018015 | which sentence about physical science careers is false? | a. most physical science careers require at least 4 years of college, b. all physical science careers include lab work, c. many physical science careers require a degree in chemistry, d. some physical science careers require a doctoral degree | b |
NDQ_018016 | which of the following is not a physical science career? | a. astronaut, b. engineer, c. biologist, d. physicist | c |
NDQ_018061 | all fluids can | a. flow, b. take the size of their container, c. take the shape of their container, d. two of the above | d |
NDQ_018062 | all fluids exert pressure. | a. true, b. false | a |
NDQ_018063 | particles of fluids always move from an area of lower pressure to an area of higher pressure. | a. true, b. false | b |
NDQ_018067 | the larger the area to which force is applied, the greater the pressure is. | a. true, b. false | b |
NDQ_018242 | if research results can be replicated, it means they are more likely to be correct. | a. true, b. false | a |
NDQ_018248 | assume that a researcher plans to repeat an experiment several times to see if the results can be replicated. each time the experiment is repeated, what should be kept the same? | a. methods of data collection, b. methods of data analysis, c. manipulated and responding variables, d. all of the above | d |
NDQ_018249 | replication of research findings can help rule out that the results of an investigation occurred just by chance. | a. true, b. false | a |
NDQ_018261 | what does this lab safety symbol represent? | a. radiation hazard, b. sharp object, c. hot object, d. none of the above | c |
NDQ_018264 | you can wear open-toed shoes in science lab as long as you wear socks. | a. true, b. false | b |
NDQ_018291 | there must be at least two variables in a scientific experiment. | a. true, b. false | a |
NDQ_018292 | a variable that is changed by the researcher is called a(n) | a. responding variable, b. manipulated variable, c. dependent variable, d. two of the above | b |
NDQ_018297 | examples of controls in the experiment in question 6 include the | a. smoothness of the ramp, b. steepness of the ramp, c. size of the car tires, d. all of the above | d |
NDQ_018298 | experiments can be carried out only in a science lab. | a. true, b. false | b |
NDQ_018314 | which of the following is an example of deductive reasoning? | a. every dog ive ever seen is black, so all dogs must be black, b. all the girls i know like the color pink, so all girls must like the color pink, c. these 10 books are heavy, so all books must be heavy, d. dogs are animals with fur, so my cousins dog fido must have fur | d |
NDQ_018315 | which of the following is an example of inductive reasoning? | a. every lawn on my street has weeds, so all lawns must be weedy, b. all objects have gravity, so my pencil must have gravity, c. all soils contain minerals, so the soil in my yard must contain minerals, d. two of the above | a |
NDQ_018320 | examples of scientific laws include the conservation of | a. mass, b. energy, c. momentum, d. all of the above | d |
NDQ_018323 | which statement could be a scientific law? | a. the moon always orbits earth, b. the moon orbits earth because of gravity, c. the seasons occur because of the tilt of earths axis, d. the moon may have formed because earth was struck by a giant asteroid | a |
NDQ_018325 | newton is associated with a law about | a. gravity, b. atoms, c. light, d. the sun | a |
NDQ_018349 | scientific investigations are usually very organized and methodical. | a. true, b. false | a |
NDQ_018350 | if evidence from a scientific investigation cannot answer the research question, it is useless. | a. true, b. false | b |
NDQ_018354 | the scientific method is a strict sequence of steps that are always followed in the same order. | a. true, b. false | b |
NDQ_018361 | the theory that all substances consist of tiny pieces of matter that cannot be broken into smaller pieces is known as | a. atomic theory, b. kinetic theory, c. particle theory, d. wave theory | a |
NDQ_018363 | one piece of evidence for the theory in question 3 is the observation that | a. all objects have mass, b. all objects have gravity, c. light travels as waves or particles, d. a compound always has the same proportions of different elements | d |
NDQ_018367 | the most parsimonious theory is based on the fewest | a. assumptions, b. facts, c. hypotheses, d. observations | a |
NDQ_018381 | what gives matter the ability to change? | a. atoms, b. molecules, c. energy, d. motion | c |
NDQ_018382 | forms that energy can take include | a. heat, b. light, c. electricity, d. all of the above | d |
NDQ_018388 | which of the following problems is most likely to be investigated by a physical scientist? | a. how to grow bigger crops plants, b. how to use crop plants to make tasty foods, c. how to encourage people to eat healthier foods, d. how to measure the chemical content of different foods | d |
NDQ_018610 | the first step in the technological design process is to | a. research a problem, b. create a model, c. generate a possible solution, d. identify a problem | d |
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