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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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