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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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