Chapter 9 Circular Motion Review

What is an axis?

• A straight line around which rotation takes place

• A straight line around which revolution takes place

• A curved line around which rotation takes place

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NGSS.MS-ESS1-1

What are the two types of axes?

• X & Y

• Internal & External

• Hatchet & Pixaxe

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NGSS.MS-PS3-1

A(n) _______________ is when an object turns about an internal axis.

• Revolution

• Orbit

• Rotation

The Earth turning on its axis once every 24 hours is an example of...

• Rotation

• Revolution

• Orbiting

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NGSS.MS-ESS2-6

The Earth moving around the sun every 365 1/4 days is an example of...

• Rotation

• Revolution

• Spinning

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NGSS.MS-ESS1-1

The Sit-and-Spin toy by itself is an example of...

• Orbiting

• Revolution

• Rotation

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NGSS.3-PS2-1

NGSS.3-PS2-2

A child sitting on the Sit-and-Spin Toy is an example of...

• Revolution

• Rotation

• Spinning

What is Linear Speed?

• Fastness per unit time

• Distance per unit time

• Rotations per minute

How is Linear Speed affected as an object moves further away from the axis of rotation?

• The speed stays the same

• The speed decreases

• The speed increases

The speed of something moving on a circular path is called...

• Tangential Speed

• Rotational Speed

• Angular Speed