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Physical Science, 5/e
Bill Tillery, Arizona State University

The World Around You

Essay Quiz



1

What is a concept?
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2

What two things does a measurement statement always contain? What do the two things tell you?
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3

Other than familiarity, what are the advantages of the English system of measurement?
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4

Describe the metric standard units for length, mass, and time.
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5

Does the density of a liquid change with the shape of a container? Explain.
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6

Does a flattened pancake of clay have the same density as the same clay rolled into a ball? Explain.
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7

What is an equation? How are equations used in the physical sciences?
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8

Compare and contrast a scientific principle and a scientific law.
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9

What is a model? How are models used?
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10

Are all theories always completely accepted or completely rejected? Explain.
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