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Questions for Thought
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1

What is a concept?
2

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

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

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

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

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

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

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

What is a model? How are models used?
10

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





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