questionID
stringlengths
10
10
question_text
stringlengths
5
324
answer_choices
stringlengths
17
473
correct_answer
stringclasses
7 values
NDQ_014094
If you did an experiment to test the effect of sunlight on plant growth, what factors would you have to control?
a. the type of plants used in the experiment, b. the amount of water the plants receive, c. the composition of the soil in which the plants are growing, d. all of the above
d
NDQ_014095
In any experiment, there must be at least two
a. controls, b. variables, c. hypotheses, d. replications
b
NDQ_014096
The factor that is manipulated in an experiment is called the
a. control factor, b. responding variable, c. independent variable, d. dependent variable
c
NDQ_014097
How can scientists communicate their results?
a. publish them in peer-reviewed journals, b. present them at scientific meetings, c. write them up in magazine articles, d. do all of the above
d
NDQ_014098
Which of the following is an ethical rule for scientific research?
a. Experiments cannot use human subjects, b. Research cannot be done on animals, c. Any risks of the research must be made publi, d. Results should be published only if they support the hypothesis
c
NDQ_014099
average value of a set of measurements
a. accuracy, b. Kelvin, c. mean, d. model, e. precision, f. range, g. scientific notation
c
NDQ_014100
What does SI stand for?
a. significant figures, b. scientific notation, c. international system of units, d. a scale for measuring temperature
c
NDQ_014101
representation of an object, system, or process
a. accuracy, b. Kelvin, c. mean, d. model, e. precision, f. range, g. scientific notation
d
NDQ_014102
The volume of a liquid is best measured with a(n)
a. metric ruler, b. beam balance, c. thermometer, d. graduated cylinder
d
NDQ_014103
exactness of a measurement
a. accuracy, b. Kelvin, c. mean, d. model, e. precision, f. range, g. scientific notation
e
NDQ_014104
How close a measurement is to the true value is its
a. mean, b. range, c. precision, d. accuracy
d
NDQ_014105
An example of a derived quantity is
a. width, b. length, c. area, d. none of the above
c
NDQ_014106
way of writing very large or very small numbers using exponents
a. accuracy, b. Kelvin, c. mean, d. model, e. precision, f. range, g. scientific notation
g
NDQ_014107
SI scale for measuring temperature
a. accuracy, b. Kelvin, c. mean, d. model, e. precision, f. range, g. scientific notation
b
NDQ_014108
Which unit could be used for volume?
a. cm, b. cm2, c. cm3, d. cm4
c
NDQ_014110
closeness of a measurement to the true value
a. accuracy, b. Kelvin, c. mean, d. model, e. precision, f. range, g. scientific notation
a
NDQ_014111
total spread of values in a set of measurements
a. accuracy, b. Kelvin, c. mean, d. model, e. precision, f. range, g. scientific notation
f
NDQ_014119
There are always more significant figures in the answer than in the numbers used in the calculation.
a. true, b. false
b
NDQ_014121
Only numbers greater than 1 can be written in scientific notation.
a. true, b. false
b
NDQ_014124
The best type of graph to show changes in data over time is a circle graph.
a. true, b. false
b
NDQ_014125
A percent can be expressed as a fraction or a decimal number.
a. true, b. false
a
NDQ_014126
You should never work alone in a science lab.
a. true, b. false
a
NDQ_014127
The basic SI unit for length is the millimeter.
a. true, b. false
b
NDQ_014128
The freezing point of water on the Kelvin scale is 0 degrees.
a. true, b. false
b
NDQ_014129
A graduated cylinder is used to measure the volume of liquids.
a. true, b. false
a
NDQ_014130
Length is a derived quantity.
a. true, b. false
b
NDQ_014131
The mean gives you an idea of the typical measurement in a set of data.
a. true, b. false
a
NDQ_014132
You need to wear goggles in the lab only when you are using hazardous chemicals.
a. true, b. false
b
NDQ_014133
When combining an acid and water, you should always add the acid to the water.
a. true, b. false
a
NDQ_014134
An example of a model is a road map.
a. true, b. false
a
NDQ_014135
A kilometer equals 100 meters.
a. true, b. false
b
NDQ_014136
A 1-degree difference on the Kelvin scale equals a 1-degree difference on the Fahrenheit scale.
a. true, b. false
b
NDQ_014137
The cubic meter is the basic SI unit for
a. length, b. width, c. mass, d. volume
d
NDQ_014138
A temperature of 273 Kelvin equals
a. 0 C, b. 100 C, c. 212 F, d. none of the above
a
NDQ_014139
A balance is used to measure
a. temperature, b. volume, c. length, d. mass
d
NDQ_014140
Which measurement is most precise?
a. 65 mL, b. 66 mL, c. 65.5 mL, d. 66.55 mL
d
NDQ_014141
The correct number of digits in an answer is called the number of
a. precise digits, b. derived digits, c. international units, d. significant figures
d
NDQ_014142
Circle graphs are especially useful for showing
a. percents of a whole, b. changes over time, c. how different types of things compare, d. ranges of data
a
NDQ_014144
Technology includes methods and processes as well as devices.
a. true, b. false
a
NDQ_014145
Technology refers to
a. devices such as computers, b. processes such as the Bessemer process, c. methods such as technological design, d. all of the above
d
NDQ_014146
Many major advances in agriculture depend on technology.
a. true, b. false
a
NDQ_014147
The technological design process begins with a(n)
a. problem, b. model, c. solution, d. test
a
NDQ_014148
The technological design process is similar to scientific investigation.
a. true, b. false
a
NDQ_014149
Which statement is true about the evolution of computers?
a. It began in 2000, b. It is still continuing today, c. The first computers used silicon chips, d. all of the above
b
NDQ_014150
How are technology and science related?
a. Technology and science have the same goal, b. Technology and science use the same scientific method, c. Technology and science help one another advance, d. Technology and science are unrelate
c
NDQ_014151
The first step in the technological design process is to create a model.
a. true, b. false
b
NDQ_014152
Cost is the only limit on technological design.
a. true, b. false
b
NDQ_014153
The goal of technology is to
a. increase scientific knowledge, b. set the direction that science takes, c. discover new theories, d. solve practical problems
d
NDQ_014155
Technology and science have the same goals.
a. true, b. false
b
NDQ_014156
Electrons were discovered because of a technological device called the vacuum tube.
a. true, b. false
a
NDQ_014158
Technology helps science advance.
a. true, b. false
a
NDQ_014161
The technological design process is based only on creativity and luck.
a. true, b. false
b
NDQ_014163
The problems of society generally set the direction for technology.
a. true, b. false
a
NDQ_014164
Constraints on technological design include laws of nature.
a. true, b. false
a
NDQ_014166
The risks of a new technological design should outweigh its benefits.
a. true, b. false
b
NDQ_014169
Nanotechnology is used inside the human body.
a. true, b. false
a
NDQ_014171
Technology may be as simple as forks and knives.
a. true, b. false
a
NDQ_014172
Fiber optic technology is used in communications.
a. true, b. false
a
NDQ_014176
professional in technology
a. technology, b. technological design, c. engineer, d. constraint, e. sonar, f. seismometer, g. spectrometer
c
NDQ_014177
technology that measures properties of light
a. technology, b. technological design, c. engineer, d. constraint, e. sonar, f. seismometer, g. spectrometer
g
NDQ_014178
technology that records ground movements caused by earthquakes
a. technology, b. technological design, c. engineer, d. constraint, e. sonar, f. seismometer, g. spectrometer
f
NDQ_014179
development of new technology
a. technology, b. technological design, c. engineer, d. constraint, e. sonar, f. seismometer, g. spectrometer
b
NDQ_014180
application of knowledge to real-world problems
a. technology, b. technological design, c. engineer, d. constraint, e. sonar, f. seismometer, g. spectrometer
a
NDQ_014181
technology that uses sound waves to map the ocean floor
a. technology, b. technological design, c. engineer, d. constraint, e. sonar, f. seismometer, g. spectrometer
e
NDQ_014182
limit on technological design
a. technology, b. technological design, c. engineer, d. constraint, e. sonar, f. seismometer, g. spectrometer
d
NDQ_014183
Technology is responsible for most of the major advances in
a. transportation, b. communication, c. medicine, d. all of the above
d
NDQ_014184
The technological design process involves
a. forming a hypothesis, b. doing research, c. developing scientific laws, d. none of the above
b
NDQ_014185
The evolution of modern computers began in the
a. 1930s, b. 1950s, c. 1970s, d. 1990s
a
NDQ_014186
Which statement is true about early computers?
a. They were very small, b. They used vacuum tubes, c. They could do many tasks at once, d. They used software programs
b
NDQ_014187
The invention of the seismometer led to the discovery that
a. stars are very hot, b. the ocean is very deep, c. Earth has a solid inner core, d. electrons are negatively charge
c
NDQ_014188
The Bessemer process is an example of technology. The Bessemer process
a. was invented in the 1950s, b. is a cheap way to make steel, c. was a major advance in medicine, d. is used to make computers
b
NDQ_014189
The invention of the microscope
a. let scientists see very distant objects, b. occurred in the 1800s, c. extended human vision, d. two of the above
c
NDQ_015168
The pressure of Earths atmosphere is
a. the same everywhere on Earths surface, b. greater at higher altitudes, c. 14.7 lb/in2 at sea level, d. none of the above
c
NDQ_015170
The gas laws describe relationships among the gas properties of pressure, temperature, and
a. mass, b. shape, c. energy, d. volume
d
NDQ_015172
If you increase the temperature of a gas in a sealed container, particles of the gas will
a. have more energy, b. move more quickly, c. exert greater pressure, d. all of the above
d
NDQ_015173
Which law states how the temperature and pressure of a gas are related?
a. Boyles law, b. Charless law, c. Amontonss law, d. Kinetic law
c
NDQ_015176
To decrease the pressure exerted by a gas, you could
a. increase its temperature, b. increase its volume, c. increase its energy, d. two of the above
b
NDQ_015181
Particles of a gas move only when they are heated.
a. true, b. false
b
NDQ_015184
The pressure a gas exerts depends only on its volume.
a. true, b. false
b
NDQ_015186
For gas at a given temperature, volume and pressure change in opposite directions.
a. true, b. false
a
NDQ_015187
If particles of a gas have room to spread out, they exert greater pressure.
a. true, b. false
b
NDQ_015188
Gas bubbles in water get bigger when they are under less pressure.
a. true, b. false
a
NDQ_015189
Air pressure is lowest at sea level.
a. true, b. false
b
NDQ_015190
Heating a gas causes its particles to move more slowly.
a. true, b. false
b
NDQ_015191
Air pressure in a tire increases after you start driving because the air gets warmer.
a. true, b. false
a
NDQ_015192
There is an inverse relationship between gas pressure and temperature.
a. true, b. false
b
NDQ_015193
As you go higher above Earths surface, the pressure of the atmosphere increases.
a. true, b. false
b
NDQ_015194
A gas will take up less space if its temperature falls.
a. true, b. false
a
NDQ_015195
As the volume of a gas increases, its pressure decreases.
a. true, b. false
a
NDQ_015196
Cooling a gas in a closed container causes its pressure to decrease.
a. true, b. false
a
NDQ_015197
Adding more gas to a closed container has no effect on its pressure.
a. true, b. false
b
NDQ_015198
Adding energy to a gas raises its temperature.
a. true, b. false
a
NDQ_015199
law relating the temperature and pressure of a constant volume of gas
a. Amontonss law, b. Boyles law, c. Charless law, d. pressure, e. volume, f. temperature, g. gas
a
NDQ_015200
amount of force pushing against a given area
a. Amontonss law, b. Boyles law, c. Charless law, d. pressure, e. volume, f. temperature, g. gas
d
NDQ_015201
state of matter that lacks a fixed volume and a fixed shape
a. Amontonss law, b. Boyles law, c. Charless law, d. pressure, e. volume, f. temperature, g. gas
g
NDQ_015202
law relating the volume and pressure of gas at a constant temperature
a. Amontonss law, b. Boyles law, c. Charless law, d. pressure, e. volume, f. temperature, g. gas
b
NDQ_015203
average kinetic energy of particles of matter
a. Amontonss law, b. Boyles law, c. Charless law, d. pressure, e. volume, f. temperature, g. gas
f
NDQ_015204
amount of space that matter occupies
a. Amontonss law, b. Boyles law, c. Charless law, d. pressure, e. volume, f. temperature, g. gas
e
NDQ_015205
law relating the temperature and volume of gas at a constant pressure
a. Amontonss law, b. Boyles law, c. Charless law, d. pressure, e. volume, f. temperature, g. gas
c
NDQ_015206
The molecules of gas in a closed container
a. keep bumping into each other, b. are always moving, c. exert pressure, d. all of the above
d