Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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In which step of the scientific method is information obtained through the
senses?
a. | drawing conclusions | c. | analyzing data | b. | making observations | d. | revising a
hypothesis |
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2.
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What happens when the data in an investigation do not support the original
hypothesis?
a. | The scientist gives up and starts an investigation on a new
topic. | b. | The data must be incorrect and are thrown out. | c. | The hypothesis is
revised. | d. | The data are altered so that they support the original
hypothesis. |
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3.
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What is a statement that summarizes a pattern found in nature?
a. | a scientific law | c. | a scientific theory | b. | a fact | d. | a hypothesis |
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4.
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Which of the following statements is true about scientific theories?
a. | Scientific theories become scientific laws. | b. | Scientific theories
are never proven. | c. | Scientific theories become
hypotheses. | d. | Scientific theories summarize patterns found in
nature. |
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5.
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What is a physical or mental representation of an object or an event?
a. | a theory | c. | a model | b. | a hypothesis | d. | a scientific
law |
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6.
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Why are scientific models important?
a. | They prove scientific theories. | b. | They help visualize things that are very
complex, very large, or very small. | c. | They make it harder to understand
things. | d. | They never change. |
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7.
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How is 0.00069 written in scientific notation?
a. | 69 ´ 10–5 | c. | 0.69 ´ 10–3 | b. | 6.9 ´
104 | d. | 6.9 ´ 10–4 |
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8.
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Which of the following conversion factors would you use to change 18 kilometers
to meters?
a. | 1000 m/1 km | c. | 100 m/1 km | b. | 1 km/1000 m | d. | 1 km/100 m |
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9.
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What are 6 centimeters equal to?
a. | 600 meters | c. | 60 millimeters | b. |  of a
millimeter | d. | 600
millimeters |
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10.
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Which of the following clocks offers the most precision?
a. | a clock with only one hand to measure the hour | b. | a clock with only
one hand to measure the minutes | c. | a clock with a hand to measure the hour and a
hand to measure the minutes | d. | a clock with a hand to measure the hour, a hand
to measure the minutes, and a hand to measure the seconds |
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11.
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On the Celsius scale, at what temperature does water boil?
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12.
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How do scientists communicate the results of investigations?
a. | by publishing articles in scientific journals | b. | by giving talks at
scientific conferences | c. | by exchanging e-mails | d. | all of the
above |
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13.
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How do scientists who speak different languages make their data understandable
to one another?
a. | They all use different systems of measurement. | b. | They all use
SI. | c. | They communicate through a universal translator. | d. | They all must speak
French. |
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