Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Which of the following is not a branch of biology?
a. | geology | c. | botany | b. | ecology | d. | medicine |
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2.
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Technology can best be defined as
a. | science that uses computers. | b. | new inventions. | c. | applied
science. | d. | the use of lenses and microscopes. |
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3.
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Pure science is best defined as the
a. | continuing search for new knowledge. | b. | use of science to solve human
problems. | c. | study of the makeup of living things. | d. | application of scientific
knowledge. |
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4.
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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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5.
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The first step in the scientific method is usually
a. | making an observation. | c. | collecting data. | b. | forming a hypothesis. | d. | testing a
hypothesis. |
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6.
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What does it mean to say that “no experiment is a failure”?
a. | All experiments are observations of real events. | b. | All experiments
yield the desired results. | c. | All experiments give scientists work to
do. | d. | All experiments involve manipulating variables. |
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7.
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Which instrument has been used to detect the oldest, most distant objects in the
solar system?
a. | light telescope | c. | particle accelerator | b. | spectroscope | d. | radio telescope |
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8.
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Which question cannot be answered by an experiment?
a. | Does penicillin kill Salmonella bacteria? | b. | Is rabies caused by
a virus? | c. | Did a comet impact kill the dinosaurs? | d. | Can radiation cause
cancer? |
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9.
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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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10.
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The sample contained the same number of pennies for which two years?
a. | 1988 and 1992 | c. | 1994 and 1997 | b. | 1988 and 1991 | d. | 1994 and 1998 |
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11.
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What is the area of a room that is 4 ´
102 cm long and 2 ´ 103 cm wide?
a. | 6 ´ 103 cm2 | c. | 8 ´ 105 cm2 | b. | 8 ´ 103 cm2 | d. | 8 ´
107 cm2 |
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12.
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A precise measurement is one that
a. | contains the correct number of significant figures. | b. | contains at least
three significant figures. | c. | is close to the true value. | d. | is as exact as
possible. |
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13.
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Scientific methods
a. | are a general description of scientific thinking. | b. | are used to find and
evaluate possible answers to problems. | c. | use critical thinking to solve scientific
problems. | d. | All of the above |
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14.
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A tool used to break light into a rainbowlike spectrum is the
a. | radio telescope. | c. | spectroscope. | b. | particle accelerator. | d. | telescope. |
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15.
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Which tool would a scientist use to find information on the structure of an
atom?
a. | radio telescope | c. | spectroscope | b. | particle accelerator | d. | telescope |
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16.
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SI is considered a consistent system because it
a. | is used worldwide. | c. | dates back to 1795. | b. | uses derived units. | d. | has seven base
units. |
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17.
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Which unit is used to measure the height of a bookcase?
a. | kelvin | c. | kilogram | b. | meter | d. | mole |
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18.
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Which unit is used to measure the mass of a computer?
a. | kelvin | c. | kilogram | b. | meter | d. | mole |
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19.
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Convert 1,250 millimoles to moles.
a. | 125 mol | c. | 1.25 mol | b. | 12.5 mol | d. | 0.125 mol |
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20.
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Most scientific questions are developed from
a. | research. | c. | observations. | b. | investigation. | d. | forming a
hypothesis. |
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21.
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After formulating a question, the next step of the scientific method is
a. | to research and collect data. | c. | to test a
hypothesis. | b. | to perform an experiment. | d. | to state a conclusion. |
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22.
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Critical thinking
a. | is based on facts. | c. | uses observations. | b. | uses logic. | d. | All of the
above |
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23.
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Which graph best shows a change in data over time?
a. | bar graph | c. | pie chart | b. | line graph | d. | All of the
above |
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24.
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Which type of graph best shows a comparison of several items or events?
a. | bar graph | c. | pie chart | b. | line graph | d. | All of the
above |
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25.
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Which type of graph best shows data that are parts of a whole?
a. | bar graph | c. | pie chart | b. | line graph | d. | All of the
above |
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26.
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Which of the following is equal to 5,800,000,000 cm?
a. | 5.8 ´ 109 cm | c. | 5.8 ´ 108 cm | b. | 58 ´
109 cm | d. | 58 ´ 107 cm |
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27.
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(5.2 ´ 106) ´ (5.0 ´ 103) =
a. | 2.6 ´ 108 | c. | 2.6 ´ 109 | b. | 2.6 ´
103 | d. | 2.6 ´ 1010 |
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28.
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How many significant figures are in 7.357?
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