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5,700 | NDQ_016177 | amontonss law | the relationship between the temperature and volume of gas is known as amontons law. | null | null | Multiple Choice | a. true, b. false | b |
5,701 | NDQ_016179 | amontonss law | which of the following units could be used to measure the pressure of a gas? | null | null | Multiple Choice | a. pounds per inch, b. Newtons per square meter, c. kilograms per square meter, d. none of the above | b |
5,702 | NDQ_016180 | amontonss law | particles of a gas have movement only when they are heated. | null | null | Multiple Choice | a. true, b. false | b |
5,703 | NDQ_016181 | amontonss law | amontons developed his law in the | null | null | Multiple Choice | a. 1500s., b. 1600s., c. 1700s., d. 1800s. | b |
5,704 | NDQ_016252 | bernoullis law | the spoiler on a racecar causes air pressure to push the car forward. | null | null | Multiple Choice | a. true, b. false | b |
5,705 | NDQ_016255 | bernoullis law | bernoulli arrived at his law by using | null | null | Multiple Choice | a. astronomy., b. psychology., c. mathematics., d. none of the above | c |
5,706 | NDQ_016256 | bernoullis law | bernoullis law explains how an airplane can stay aloft. | null | null | Multiple Choice | a. true, b. false | a |
5,707 | NDQ_016257 | bernoullis law | the shape of an airplane wing causes | null | null | Multiple Choice | 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 |
5,708 | NDQ_016259 | bernoullis law | the spoiler on a racecar is like an upside-down wing. | null | null | Multiple Choice | a. true, b. false | a |
5,709 | NDQ_016260 | bernoullis law | air pressure pushing down on a racecar | null | null | Multiple Choice | 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 |
5,710 | NDQ_016261 | bernoullis law | when air is moving more quickly, its pressure is greater. | null | null | Multiple Choice | a. true, b. false | b |
5,711 | NDQ_016323 | boyles law | robert boyle has been called the father of modern chemistry. | null | null | Multiple Choice | a. true, b. false | a |
5,712 | NDQ_016327 | boyles law | for boyles law to apply to a gas, which variable must be held constant? | null | null | Multiple Choice | a. volume, b. pressure, c. temperature, d. none of the above | c |
5,713 | NDQ_016330 | boyles law | 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? | null | null | Multiple Choice | 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 |
5,714 | NDQ_016331 | boyles law | boyles law applies to liquids as well as gases. | null | null | Multiple Choice | a. true, b. false | b |
5,715 | NDQ_016444 | charless law | heating a gas gives its particles | null | null | Multiple Choice | a. more energy., b. greater speed., c. a higher temperature., d. all of the above | d |
5,716 | NDQ_016446 | charless law | a hot air balloon inflates because it is pumped full of helium. | null | null | Multiple Choice | a. true, b. false | b |
5,717 | NDQ_016448 | charless law | if you heat gas in a closed container that cannot expand, the gas will increase in | null | null | Multiple Choice | a. mass., b. volume., c. weight., d. pressure. | d |
5,718 | NDQ_016449 | charless law | what type of relationship exists between the temperature and volume of a gas? | null | null | Multiple Choice | a. inverse relationship, b. direct relationship, c. reverse relationship, d. none of the above | b |
5,719 | NDQ_016451 | charless law | for a gas under constant pressure, volume and pressure increase together at a constant rate. | null | null | Multiple Choice | a. true, b. false | a |
5,720 | NDQ_016573 | communication in science | scientists often share the results of their research by making posters. | null | null | Multiple Choice | a. true, b. false | a |
5,721 | NDQ_016575 | communication in science | scientists add to the body of scientific knowledge by communicating their findings. | null | null | Multiple Choice | a. true, b. false | a |
5,722 | NDQ_016577 | communication in science | scientists may communicate about their research by | null | null | Multiple Choice | 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 |
5,723 | NDQ_017135 | ethics in science | which of the following is not an ethical rule in science? | null | null | Multiple Choice | 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 |
5,724 | NDQ_017139 | ethics in science | 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? | null | null | Multiple Choice | 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 |
5,725 | NDQ_017184 | field study | which type of scientist is most likely to do field studies? | null | null | Multiple Choice | a. environmental scientist, b. molecular biologist, c. quantum physicist, d. nuclear chemist | a |
5,726 | NDQ_017187 | field study | a field study might identify problems for follow-up investigations by laboratory experiments. | null | null | Multiple Choice | a. true, b. false | a |
5,727 | NDQ_017189 | field study | which of the following questions do you think would be most appropriately investigated with a field study instead of a laboratory experiment? | null | null | Multiple Choice | 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 magnet’s strength affected by its temperature? | a |
5,728 | NDQ_017190 | field study | scientists who do field studies do not need to make careful measurements. | null | null | Multiple Choice | a. true, b. false | b |
5,729 | NDQ_017272 | gases | a gas always spreads out to fill all available space. | null | null | Multiple Choice | a. true, b. false | a |
5,730 | NDQ_017273 | gases | particles of gases are always | null | null | Multiple Choice | a. moving at random., b. bumping into each other., c. bumping into their container., d. all of the above | d |
5,731 | NDQ_017276 | gases | the si unit of pressure is | null | null | Multiple Choice | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a |
5,732 | NDQ_017278 | gases | the atmosphere exerts pressure only downward toward earths surface. | null | null | Multiple Choice | a. true, b. false | b |
5,733 | NDQ_017280 | gases | air pressure at sea level is closest to | null | null | Multiple Choice | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d |
5,734 | NDQ_017362 | history of science | the person who introduced the idea of empiricism to science was | null | null | Multiple Choice | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a |
5,735 | NDQ_017367 | history of science | contributions to science that occurred during the scientific revolution include | null | null | Multiple Choice | a. Kepler’s law of planetary motion., b. Einstein’s general theory of relativity., c. Newton’s law of universal gravitation., d. two of the above | d |
5,736 | NDQ_017370 | history of science | einstein explained gravity as a property of | null | null | Multiple Choice | a. space and time., b. matter and energy., c. mass and distance., d. none of the above | a |
5,737 | NDQ_017403 | hypothesis | for a hypothesis to be a scientific hypothesis, it must be | null | null | Multiple Choice | a. true., b. testable., c. falsifiable if false., d. two of the above | d |
5,738 | NDQ_017409 | hypothesis | the more evidence that accumulates in support of a hypothesis, the more likely the hypothesis is true. | null | null | Multiple Choice | a. true, b. false | a |
5,739 | NDQ_017794 | nature of science | formal ways that scientists communicate their research results to other scientists include | null | null | Multiple Choice | 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 |
5,740 | NDQ_017798 | nature of science | an example of a general scientific publication is | null | null | Multiple Choice | a. “Science.”, b. “Journal of Applied Physics.”, c. “American Journal of Physics.”, d. “Journal of the American Chemical Society.” | a |
5,741 | NDQ_017913 | observation | observations that indicate a chemical change has occurred might include | null | null | Multiple Choice | a. a change in color., b. the production of an odor., c. the release of gas bubbles., d. any of the above | d |
5,742 | NDQ_017917 | observation | which question cannot be answered directly with the senses? | null | null | Multiple Choice | 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 |
5,743 | NDQ_017918 | observation | which device could you use to answer the question in question 8? | null | null | Multiple Choice | a. spectrometer, b. thermometer, c. magnet, d. scale | c |
5,744 | NDQ_017921 | oceanic pressure | water pressure increases as you go deeper in the ocean. | null | null | Multiple Choice | a. true, b. false | a |
5,745 | NDQ_017923 | oceanic pressure | the depth of water where oceanic pressure is double atmospheric pressure at the surface is | null | null | Multiple Choice | a. 30 meters., b. 300 meters., c. 400 meters., d. 11000 meters. | a |
5,746 | NDQ_017924 | oceanic pressure | without special equipment, humans cannot withstand the pressure of ocean water below | null | null | Multiple Choice | a. 50 meters., b. 100 meters., c. 200 meters., d. 500 meters. | d |
5,747 | NDQ_017926 | oceanic pressure | the depth of the water at the place described in question 6 is | null | null | Multiple Choice | a. 500 meters., b. 700 meters., c. 900 meters., d. 11000 meters. | d |
5,748 | NDQ_017929 | oceanic pressure | for each additional meter below the oceans surface, pressure changes by 100 kpa. | null | null | Multiple Choice | a. true, b. false | b |
5,749 | NDQ_017962 | pascals law | pressure always spreads throughout a fluid. | null | null | Multiple Choice | a. true, b. false | a |
5,750 | NDQ_017963 | pascals law | you can increase pressure by increasing the force applied to a given area. | null | null | Multiple Choice | a. true, b. false | a |
5,751 | NDQ_017964 | pascals law | you can increase pressure by increasing the area over which a given force is applied. | null | null | Multiple Choice | a. true, b. false | b |
5,752 | NDQ_017965 | pascals law | the si unit for pressure is the | null | null | Multiple Choice | a. Newton., b. Watt., c. Pascal., d. none of the above | c |
5,753 | NDQ_017966 | pascals law | fluid pressure is used in | null | null | Multiple Choice | a. car brakes., b. car lifts., c. airplane controls., d. all of the above | d |
5,754 | NDQ_018013 | physical science careers | which career involves measuring and recording features on earths surface? | null | null | Multiple Choice | a. forensic technician, b. surveyor, c. optometrist, d. none of the above | b |
5,755 | NDQ_018015 | physical science careers | which sentence about physical science careers is false? | null | null | Multiple Choice | 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 |
5,756 | NDQ_018016 | physical science careers | which of the following is not a physical science career? | null | null | Multiple Choice | a. astronaut, b. engineer, c. biologist, d. physicist | c |
5,757 | NDQ_018061 | pressure in fluids | all fluids can | null | null | Multiple Choice | a. flow., b. take the size of their container., c. take the shape of their container., d. two of the above | d |
5,758 | NDQ_018062 | pressure in fluids | all fluids exert pressure. | null | null | Multiple Choice | a. true, b. false | a |
5,759 | NDQ_018063 | pressure in fluids | particles of fluids always move from an area of lower pressure to an area of higher pressure. | null | null | Multiple Choice | a. true, b. false | b |
5,760 | NDQ_018067 | pressure in fluids | the larger the area to which force is applied, the greater the pressure is. | null | null | Multiple Choice | a. true, b. false | b |
5,761 | NDQ_018242 | replication in science | if research results can be replicated, it means they are more likely to be correct. | null | null | Multiple Choice | a. true, b. false | a |
5,762 | NDQ_018248 | replication in science | 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? | null | null | Multiple Choice | a. methods of data collection, b. methods of data analysis, c. manipulated and responding variables, d. all of the above | d |
5,763 | NDQ_018249 | replication in science | replication of research findings can help rule out that the results of an investigation occurred just by chance. | null | null | Multiple Choice | a. true, b. false | a |
5,764 | NDQ_018261 | safety in science | what does this lab safety symbol represent? | null | null | Multiple Choice | a. radiation hazard, b. sharp object, c. hot object, d. none of the above | c |
5,765 | NDQ_018264 | safety in science | you can wear open-toed shoes in science lab as long as you wear socks. | null | null | Multiple Choice | a. true, b. false | b |
5,766 | NDQ_018291 | scientific experiments | there must be at least two variables in a scientific experiment. | null | null | Multiple Choice | a. true, b. false | a |
5,767 | NDQ_018292 | scientific experiments | a variable that is changed by the researcher is called a(n) | null | null | Multiple Choice | a. responding variable., b. manipulated variable., c. dependent variable., d. two of the above | b |
5,768 | NDQ_018297 | scientific experiments | examples of controls in the experiment in question 6 include the | null | null | Multiple Choice | a. smoothness of the ramp., b. steepness of the ramp., c. size of the car tires., d. all of the above | d |
5,769 | NDQ_018298 | scientific experiments | experiments can be carried out only in a science lab. | null | null | Multiple Choice | a. true, b. false | b |
5,770 | NDQ_018314 | scientific induction | which of the following is an example of deductive reasoning? | null | null | Multiple Choice | a. Every dog I’ve 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 cousin’s dog Fido must have fur. | d |
5,771 | NDQ_018315 | scientific induction | which of the following is an example of inductive reasoning? | null | null | Multiple Choice | 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 |
5,772 | NDQ_018320 | scientific law | examples of scientific laws include the conservation of | null | null | Multiple Choice | a. mass., b. energy., c. momentum., d. all of the above | d |
5,773 | NDQ_018323 | scientific law | which statement could be a scientific law? | null | null | Multiple Choice | a. The moon always orbits Earth., b. The moon orbits Earth because of gravity., c. The seasons occur because of the tilt of Earth’s axis., d. The moon may have formed because Earth was struck by a giant asteroid. | a |
5,774 | NDQ_018325 | scientific law | newton is associated with a law about | null | null | Multiple Choice | a. gravity., b. atoms., c. light., d. the sun. | a |
5,775 | NDQ_018349 | scientific process | scientific investigations are usually very organized and methodical. | null | null | Multiple Choice | a. true, b. false | a |
5,776 | NDQ_018350 | scientific process | if evidence from a scientific investigation cannot answer the research question, it is useless. | null | null | Multiple Choice | a. true, b. false | b |
5,777 | NDQ_018354 | scientific process | the scientific method is a strict sequence of steps that are always followed in the same order. | null | null | Multiple Choice | a. true, b. false | b |
5,778 | NDQ_018361 | scientific theory | the theory that all substances consist of tiny pieces of matter that cannot be broken into smaller pieces is known as | null | null | Multiple Choice | a. atomic theory., b. kinetic theory., c. particle theory., d. wave theory. | a |
5,779 | NDQ_018363 | scientific theory | one piece of evidence for the theory in question 3 is the observation that | null | null | Multiple Choice | 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 |
5,780 | NDQ_018367 | scientific theory | the most parsimonious theory is based on the fewest | null | null | Multiple Choice | a. assumptions., b. facts., c. hypotheses., d. observations. | a |
5,781 | NDQ_018381 | scope of physical science | what gives matter the ability to change? | null | null | Multiple Choice | a. atoms, b. molecules, c. energy, d. motion | c |
5,782 | NDQ_018382 | scope of physical science | forms that energy can take include | null | null | Multiple Choice | a. heat., b. light., c. electricity., d. all of the above | d |
5,783 | NDQ_018388 | scope of physical science | which of the following problems is most likely to be investigated by a physical scientist? | null | null | Multiple Choice | 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 |
5,784 | NDQ_018610 | technological design process | the first step in the technological design process is to | null | null | Multiple Choice | a. research a problem., b. create a model., c. generate a possible solution., d. identify a problem. | d |
5,785 | NDQ_018611 | technological design process | technological design and scientific investigation both use | null | null | Multiple Choice | a. experiments., b. evidence., c. reasoning., d. two of the above | d |
5,786 | NDQ_018613 | technological design process | the last step of the technological design process is to | null | null | Multiple Choice | a. test the model., b. select the best solution., c. refine the design., d. communicate the final solution. | d |
5,787 | NDQ_018616 | technological design process | which sentence about the technological design process is true? | null | null | Multiple Choice | a. It follows a logical sequence of steps., b. It follows the scientific method., c. It always results in a workable solution., d. none of the above | a |
5,788 | NDQ_018620 | technology and science | science and technology have the same goal. | null | null | Multiple Choice | a. true, b. false | b |
5,789 | NDQ_018621 | technology and science | scientific knowledge needed to create the first telescope included knowledge of | null | null | Multiple Choice | a. light., b. lenses., c. mirrors., d. two of the above | d |
5,790 | NDQ_018623 | technology and science | what did galileo discover with his telescope? | null | null | Multiple Choice | a. hills and valleys on the moon, b. spots on the sun, c. moons of Jupiter, d. all of the above | d |
5,791 | NDQ_018627 | technology and science | using seismometers, scientists discovered that | null | null | Multiple Choice | a. the moon has earthquakes., b. the sun has an atmosphere., c. Earth has a solid inner core., d. none of the above | c |
5,792 | NDQ_018644 | technology careers | which type of engineer develops and tests machines? | null | null | Multiple Choice | a. electrical engineer, b. mechanical engineer, c. chemical engineer, d. sanitary engineer | b |
5,793 | NDQ_018646 | technology careers | all engineers need basic knowledge of math and science. | null | null | Multiple Choice | a. true, b. false | a |
5,794 | NDQ_018648 | technology careers | most engineers work alone to complete entire projects. | null | null | Multiple Choice | a. true, b. false | b |
5,795 | NDQ_018929 | women and people of color in science | the scientist who won the 1930 nobel prize for physics for discoveries about light was | null | null | Multiple Choice | a. Mayer., b. Curie., c. Raman., d. Molina. | c |
5,796 | NDQ_018930 | women and people of color in science | discoveries of marie curie include | null | null | Multiple Choice | a. radiation., b. radium., c. polonium., d. all of the above | d |