Forces and Motion: Lesson 1 and 2 Test Review

What is kinetic energy?

• The energy of a moving object

• The energy is increasing.

• The energy is decreasing.

• The energy that is stored in an object.

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NGSS.MS-PS3-1

Which best describes the type of energy that a bike has when it travels on a flat sidewalk?

• Kinetic energy

• Potential energy

• Sound energy

• Chemical energy

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Another name for stored energy is

• Kinetic energy

• Potential energy

• Sound energy

• Chemical energy

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NGSS.MS-PS3-2

The skateboarder will not stop unless acted upon by

• Unbalanced force

• Balanced force

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NGSS.MS-PS2-2

If two puppies pull on a plastic ring with equal force, the ring does not move. This is an example of

• Unbalanced force

• Balanced force

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When an elevator is accelerating upward in a building, unbalanced forces are acting on it.

• True

• False

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NGSS.MS-PS2-2

Which force will stop a moving truck?

• Friction

• Momentum

• Gravity

• Balanced forces

A boy pushes on a box and moves it across the room. This is an example of

• Balanced forces

• Unbalanced forces

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NGSS.3-PS2-1

Dana is the pitcher for her community baseball team. What force causes the baseball to change direction when it is hit by the bat?

• The catcher's force on the ball with his mitt.

• The batter's force on the ball as he misses.

• The pitcher's force on the ball as he throws.

• The batter's force on the ball with the bat.

Tags

NGSS.MS-PS2-1

What causes heat when rubbing your hands together?

• Balanced forces

• Unbalanced forces

• Friction

• Gravity

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