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Back to Exercise: Physics: Definitions and Applications

Exercises: Physics: Definitions and Applications

Work through each section in order. These questions focus on concepts and understanding — there are no calculations in this set.

Grade 9·21 problems·~25 min·OpenStax Physics (High School)·section·sec-1-1
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A

Warm-Up: What Do You Already Know?

These questions review your existing knowledge of science.

1

Which of the following best describes what science does?

2

In middle school science you studied different branches of science. Which of these is a branch of natural science?

3

Which of the following is an example of technology that uses scientific principles?

B

Fluency Practice

Apply the core ideas from this section.

1

What is the central goal of physics?

2

A falling apple and an orbiting moon both follow Newton's law of gravitation. What does this example best illustrate about physics?

3

A car engine converts heat energy into mechanical motion. This phenomenon belongs to which subfield of physics?

4

Which subfield of physics best explains how a rainbow forms?

5

Which subfield of physics is most directly responsible for explaining how electric motors work?

6

Physics is described as the most fundamental natural science. What does this mean for chemistry and biology?

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