Multiple Choice - Identify the letter of the choice that best completes the
statement or answers the question.
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1.
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The
two main branches of science are a. | physics and chemistry. | c. | natural and physical science. | b. | natural and social
science. | d. | biological and earth
science. | | | | |
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2.
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The
main branches of natural science are a. | physics and chemistry. | c. | medicine and agriculture. | b. | biology, zoology, and
ecology. | d. | life, physical, and earth
science. | | | | |
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3.
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Technology can best be defined as a. | science that uses
computers. | c. | applied science. | b. | new inventions. | d. | the use of lenses and
microscopes. | | | | |
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4.
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Pure
science is best defined as the a. | continuing search for new
knowledge. | c. | study of the makeup of living
things. | b. | use of science to
solve human problems. | d. | application of
scientific knowledge. | | | | |
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5.
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What
do scientists who do pure science do? a. | They look for ways to use scientific knowledge to solve
problems. | b. | They develop new
uses for scientific knowledge. | c. | They do experiments to find out about the
world. | d. | They build faster
and more powerful computers. | | |
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6.
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A
scientific theory is an explanation that a. | has been published in a journal or
book. | b. | predicts what
will happen. | c. | has been tested
by many observations. | d. | a scientist has tested with an
experiment. | | |
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7.
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A
scientific model is a a. | representation of a real event or
object. | b. | small building
used to conduct experiments. | c. | mathematical statement of a
theory. | d. | new theory that
takes the place of an incorrect one. | | |
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8.
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Scientific theories can be changed or replaced when a. | new technology is invented. | b. | new discoveries are made. | c. | scientists decide to work on different
problems. | d. | scientists make
models of events or objects. | | |
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9.
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Scientists test a hypothesis by a. | formulating questions. | c. | doing experiments. | b. | designing models. | d. | drawing conclusions. | | | | |
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10.
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The SI
unit for measuring temperature is the a. | degree. | c. | mole. | b. | kelvin. | d. | ampere. | | | | |
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11.
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Which
SI prefix means one million? a. | kilo- | c. | giga- | b. | mega- | d. | milli- | | | | |
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12.
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The
force with which gravity pulls on a quantity of matter is referred to as a. | mass. | c. | volume. | b. | length. | d. | weight. | | | | |
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13.
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At
which time of day was the temperature approximately 5°C? a. | 9:00 A.M. | c. | 11:00 A.M. | b. | 10:00 A.M. | d. | 12:00 P.M. | | | | |
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14.
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At
which two times of day was the temperature the same? a. | 7:00 A.M. and 7:00 P.M. | c. | 10:00 A.M. and 7:00 P.M. | b. | 7:00 A.M. and 10:00 P.M. | d. | 10:00 A.M. and 10:00 P.M. | | | | |
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15.
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The
decimal equivalent of 10-2 is
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16.
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What
is 78,900,000,000 expressed in scientific notation? a. | 789 ´ 109 | c. | 7.89 ´ 1010 | b. | 7.89 ´ 109 | d. | 7.89 ´ 1011 | | | | |
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17.
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You
are asked to find the area of a room that is 4.56 m long and 5.668 m wide. How many significant
figures should you show in your answer? |