questionID stringlengths 10 10 | question_text stringlengths 5 324 | answer_choices stringlengths 17 473 | correct_answer stringclasses 7
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NDQ_000001 | Steps of the scientific method include all of the following except | a. doing background research, b. constructing a hypothesis, c. asking a question, d. proving a theory | d |
NDQ_000002 | Why do scientists call the Big Bang a theory? | a. It is probably unlikely and therefore not a fact, b. A very well respected scientist proved it to be true, c. Many scientists have agreed upon this explanation after repeated experiments and models have shown it, d. All possible answers to a scientific idea are called theories | c |
NDQ_000003 | The data collected in an experiment should always be | a. labeled, b. recorded, c. reported, d. all of the above | d |
NDQ_000004 | Which of the following is not a scientific model? | a. A cross section of an apple that mimics the layers of the Earth, b. A chart with nutritional information about food we eat, c. A computer simulation that can show what will happen to algae in a pond over 10 years given conditions, d. An explanation for the extinction of the dinosaurs that takes into account volcanic... | b |
NDQ_000005 | If the results of an experiment disprove a hypothesis, then the | a. results should not be reported, b. hypothesis is just a theory, c. data must contain errors, d. none of the above | d |
NDQ_000006 | Which of the following are good measures to follow when working in the field? | a. Bring sun protection and sufficient water, b. Do not travel without someone who knows the area, c. Bring first aid supplies, d. More than one answer is correct | d |
NDQ_000007 | A scientist is conducting an experiment to determine which of three building structure types will best withstand the force of an earthquake. Which of the following is most likely to be the dependent variable? | a. The amount of damage each building receives, b. The magnitude of the earthquake, c. The structure of the building, d. The type of soil each building is sitting on | a |
NDQ_000008 | Which statement about a scientific theory is false? | a. A theory can never be disproven, b. A theory is supported by many observations, c. A theory may develop from a well-supported hypothesis, d. A theory may be rejected if conflicting data are discovere | a |
NDQ_000009 | Types of scientific models include | a. mathematical equations, b. computer models, c. physical models, d. all of the above | d |
NDQ_000010 | Conclusions in an experiment | a. Improve with greater and more accurate dat, b. Often lead a researcher to new scientific questions, c. Can agree or disagree with the hypothesis, d. All of the above | d |
NDQ_000012 | Which of the following is a lab safety rule? | a. You may drink but not eat in the lab, b. You should tie back your hair if it is long, c. You may wear sandals but not flip-flops in the lab, d. You should leave used glassware for your teacher to wash | b |
NDQ_000014 | representation of something using objects | a. control, b. dependent variable, c. hypothesis, d. independent variable, e. physical model, f. theory, g. scientific method | e |
NDQ_000017 | factor that is held constant in a scientific experiment | a. control, b. dependent variable, c. hypothesis, d. independent variable, e. physical model, f. theory, g. scientific method | a |
NDQ_000019 | variable that is changed in an experiment to see how it affects another variable | a. control, b. dependent variable, c. hypothesis, d. independent variable, e. physical model, f. theory, g. scientific method | d |
NDQ_000020 | The scientific method is used to answer any question that one can think of. | a. true, b. false | b |
NDQ_000021 | scientific explanation that is widely accepted because it has been tested repeatedly and not proven false | a. control, b. dependent variable, c. hypothesis, d. independent variable, e. physical model, f. theory, g. scientific method | f |
NDQ_000022 | Scientific models are an organized step-by-step process to answer a question in science. | a. true, b. false | b |
NDQ_000023 | series of logical steps that scientists may use to seek answers to questions | a. control, b. dependent variable, c. hypothesis, d. independent variable, e. physical model, f. theory, g. scientific method | g |
NDQ_000024 | possible answer to a question that can be tested to see whether it is false | a. control, b. dependent variable, c. hypothesis, d. independent variable, e. physical model, f. theory, g. scientific method | c |
NDQ_000025 | The dependent variable in an experiment is directly influenced by the independent variable. | a. true, b. false | a |
NDQ_000026 | variable that is measured in an experiment to see how it is affected by another variable | a. control, b. dependent variable, c. hypothesis, d. independent variable, e. physical model, f. theory, g. scientific method | b |
NDQ_000027 | Even if there is information we dont know, a model can be used to explain an event. | a. true, b. false | a |
NDQ_000028 | A theory will still remain even if conflicting data is discovered. | a. true, b. false | b |
NDQ_000036 | Science is a set of knowledge and also a way of knowing things. | a. true, b. false | a |
NDQ_000037 | A scientific hypothesis is useful only if it is proven to be true. | a. true, b. false | b |
NDQ_000038 | Controls are factors that could affect the outcome of an experiment. | a. true, b. false | a |
NDQ_000039 | A scientific investigation always begins with a theory. | a. true, b. false | b |
NDQ_000040 | An example of a scientific hypothesis is that angels dance on the head of a pin. | a. true, b. false | b |
NDQ_000041 | An example of a scientific theory is the theory of plate tectonics. | a. true, b. false | a |
NDQ_000042 | A globe is a physical model of planet Earth. | a. true, b. false | a |
NDQ_000043 | Only models that are perfect representations of reality are useful in science. | a. true, b. false | b |
NDQ_000044 | You should wear a hoodie to protect your hair when you work in a science lab. | a. true, b. false | b |
NDQ_000045 | You should take a first aid kit when you do a science investigation in the field. | a. true, b. false | a |
NDQ_000139 | Wind causes very little erosion. | a. true, b. false | b |
NDQ_000140 | Wind can carry dust just a few kilometers. | a. true, b. false | b |
NDQ_000141 | Particles that the wind moves by traction stay on the ground. | a. true, b. false | a |
NDQ_000142 | Wind-blown sand cannot erode solid rock. | a. true, b. false | b |
NDQ_000143 | When wind slows down, it deposits smaller sediments first. | a. true, b. false | b |
NDQ_000144 | A sand dune migrates in the same direction that the wind usually blows. | a. true, b. false | a |
NDQ_000145 | A sand dune has a gentle slope on the slip face side. | a. true, b. false | b |
NDQ_000146 | Wind causes less erosion when it blows at a higher speed. | a. true, b. false | b |
NDQ_000147 | Wind erosion can be reduced by planting rows of trees around fields. | a. true, b. false | a |
NDQ_000148 | Fences are used to help prevent erosion of sand dunes. | a. true, b. false | a |
NDQ_000149 | type of erosion caused by wind-blown sand | a. loess, b. sand dune, c. suspension, d. wind, e. saltation, f. abrasion, g. traction | f |
NDQ_000150 | type of deposit formed when wind drops very small particles of sediment | a. loess, b. sand dune, c. suspension, d. wind, e. saltation, f. abrasion, g. traction | a |
NDQ_000151 | how wind carries particles larger than sand | a. loess, b. sand dune, c. suspension, d. wind, e. saltation, f. abrasion, g. traction | g |
NDQ_000152 | air moving over Earths surface | a. loess, b. sand dune, c. suspension, d. wind, e. saltation, f. abrasion, g. traction | d |
NDQ_000153 | how wind carries sand | a. loess, b. sand dune, c. suspension, d. wind, e. saltation, f. abrasion, g. traction | e |
NDQ_000154 | small hill of sand deposited by wind | a. loess, b. sand dune, c. suspension, d. wind, e. saltation, f. abrasion, g. traction | b |
NDQ_000155 | how wind carries the smallest sediments | a. loess, b. sand dune, c. suspension, d. wind, e. saltation, f. abrasion, g. traction | c |
NDQ_000156 | Wind drops the sediment it is carrying when it | a. slows down, b. is very moist, c. arrives at a beach, d. reaches a certain altitude | a |
NDQ_000157 | What is the first step in the formation of a sand dune? | a. Wind carrying sand strikes an obstacle, b. Wind moves particles of sand up a gentle slope, c. Wind moves particles of sand down a slip face, d. Wind deposits particles of silt and clay | a |
NDQ_000158 | A sand dune migrates because wind keeps | a. reversing its direction, b. blowing sand up and over the dune, c. causing longshore drift, d. none of the above | b |
NDQ_000159 | Deposits called loess | a. form vertical cliffs, b. have thick rich soil, c. are deposited by wind, d. all of the above | d |
NDQ_000160 | Loess deposits consist of | a. sand and silt, b. silt and clay, c. clay and gravel, d. gravel and san | b |
NDQ_000161 | Loess deposits are used for | a. rock climbing, b. gold mining, c. farming, d. none of the above | c |
NDQ_000162 | Soil is less likely to be eroded by wind if it is | a. located on flat land, b. covered with plants, c. surrounded by trees, d. two of the above | d |
NDQ_000472 | geologic era known as the age of reptiles | a. mutation, b. evolution, c. Paleozoic, d. variation, e. adaptation, f. Mesozoic, g. Cenozoic | f |
NDQ_000473 | When large numbers of organisms die out completely at the same time, it is a(n) ____________. | a. mass evolution, b. mass extinction, c. punctuated equilibrium, d. punctuated evolution | b |
NDQ_000474 | trait that helps an organism survive or reproduce | a. mutation, b. evolution, c. Paleozoic, d. variation, e. adaptation, f. Mesozoic, g. Cenozoic | e |
NDQ_000475 | A species changes over time if | a. its environment changes, b. its members contain genetic variations, c. it survives, d. all of these | d |
NDQ_000476 | random change in a gene | a. mutation, b. evolution, c. Paleozoic, d. variation, e. adaptation, f. Mesozoic, g. Cenozoic | a |
NDQ_000477 | The Cambrian is best known for | a. a huge mass extinction, b. the swamps that produced massive coal deposits, c. an incredible increase in the number of species, d. the origin of life | c |
NDQ_000478 | Compared with their ancestors, horses today are | a. very similar, b. smaller than those ice age giants, c. adapted to a different environment, d. none of these | c |
NDQ_000479 | geologic era in which plants and animals first lived on land | a. mutation, b. evolution, c. Paleozoic, d. variation, e. adaptation, f. Mesozoic, g. Cenozoic | c |
NDQ_000480 | genetic changes in a population or species over time | a. mutation, b. evolution, c. Paleozoic, d. variation, e. adaptation, f. Mesozoic, g. Cenozoic | b |
NDQ_000481 | At the end of the Paleozoic, | a. more than 95% of all species went extinct, b. a giant asteroid certainly struck Earth, c. dinosaurs and other land animals went extinct, d. none of these | a |
NDQ_000483 | geologic era during which human beings evolved | a. mutation, b. evolution, c. Paleozoic, d. variation, e. adaptation, f. Mesozoic, g. Cenozoic | g |
NDQ_000484 | difference in a genetic trait in a population | a. mutation, b. evolution, c. Paleozoic, d. variation, e. adaptation, f. Mesozoic, g. Cenozoic | d |
NDQ_000492 | Organisms alive today evolved from earlier life forms. | a. true, b. false | a |
NDQ_000494 | Adaptations are inheritable characteristics that help an organism to survive. | a. true, b. false | a |
NDQ_000497 | Mass extinctions often separate the time periods on the geologic time scale. | a. true, b. false | a |
NDQ_000499 | A mutation is almost always favorable. | a. true, b. false | b |
NDQ_000500 | Any animal can adapt to any environmental conditions. | a. true, b. false | b |
NDQ_000501 | More than a million species are known to live on Earth today. | a. true, b. false | a |
NDQ_000502 | Almost all existing species have now been discovered. | a. true, b. false | b |
NDQ_000503 | All organisms have a unique set of traits. | a. true, b. false | a |
NDQ_000504 | All gene mutations are harmful. | a. true, b. false | b |
NDQ_000505 | Adaptations evolve because they help organisms survive or reproduce. | a. true, b. false | a |
NDQ_000506 | All organisms alive today evolved from earlier life forms. | a. true, b. false | a |
NDQ_000507 | Ancient horses were much larger than they are today. | a. true, b. false | b |
NDQ_000508 | Most species that once lived on Earth are now extinct. | a. true, b. false | a |
NDQ_000509 | Paleozoic life was more diverse on land than in the oceans. | a. true, b. false | b |
NDQ_000510 | Moving from water to land required many new adaptations. | a. true, b. false | a |
NDQ_000511 | The Cambrian Period occurred at the beginning of the | a. Mesozoic Er, b. Paleozoic Era, c. Phanerozoic Eon, d. two of the above | d |
NDQ_000512 | Our own species evolved during the | a. Cambrian Period, b. Cenozoic Era, c. Proterozoic Eon, d. two of the above | b |
NDQ_000513 | Which answer best completes the following sentence? Adaptations help an organism survive ... | a. without new mutations, b. in a specific environment, c. during a given geologic eon, d. in any ecosystem on Earth | b |
NDQ_000514 | Cacti have traits that help them survive in a | a. tropical rainforest, b. very cold climate, c. desert, d. none of the above | c |
NDQ_000515 | Variation in a genetic trait is first introduced by | a. mutation, b. evolution, c. adaptation, d. reproduction | a |
NDQ_000516 | How did Earths climate change during the Phanerozoic Eon? | a. The climate became steadily colder, b. The climate became steadily warmer, c. The climate cycled between warmer and colder, d. none of the above | c |
NDQ_000517 | Which statement about the Cambrian Period is false? | a. It began about 540 million years ago, b. It had a warm, humid tropical climate, c. It had an explosion of living things, d. It ended with the Permian mass extinction | d |
NDQ_000947 | Rising air creates an area of | a. high pressure on the surface, b. low pressure near the ground, c. high wind in the stratosphere, d. low temperature close to the surface | b |
NDQ_000948 | A low pressure zone forms where | a. warm air rises, b. cold air rises, c. water evaporates, d. cold and warm air rapidly mix | a |
NDQ_000949 | Winds always blow from an area of higher to lower | a. mass, b. density, c. pressure, d. temperature | c |
NDQ_000950 | Winds blow when | a. warm air rises, b. cool air sinks, c. air flows from high to low pressure, d. air flows from low to high pressure | c |
NDQ_000951 | Examples of local winds include | a. easterlies, b. westerlies, c. monsoons, d. trade winds | c |
NDQ_000952 | Rain is most likely to fall as an air mass | a. descends down a mountain range, b. rises up a mountain range, c. rises over the desert, d. none of these | b |
NDQ_000953 | The time for an airplane to fly between San Francisco and New York relative to NY to SF is | a. greater due to the westerly winds, b. less due to the westerly winds, c. greater due to the easterly winds, d. less due to the easterly winds | b |
NDQ_000954 | Air that rises over the equator sinks back to the surface at | a. 90 N and S, b. 45 N and S, c. 30 N and S, d. 15 N and S | c |
NDQ_000955 | North of the equator, the trade winds blow from | a. northeast to southwest, b. northwest to southeast, c. southwest to northeast, d. southeast to northwest | a |
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