Lesson 1 Chapter 6 What is Energy?

The ability to do work or cause a change?

• energy

• force

• motion

• change

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Energy can change an object's

• motion, color, shape, temperature or other characteristics

• color and shape

• motion, shape and temperature only

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Energy cannot be made or destroyed.

• false

• true

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Energy that is not causing any changes now but could cause changes in the future.

• kinetic energy

• potential energy

• mechanical energy

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One kind of potential energy depends on the position of an object relative to earth.

• elastic potential energy

• gravitational potential energy

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This type of potential energy is present when things are bent or stretched.

• elastic potential energy

• mechanical energy

• gravitational potential energy

A rubber band is an example of mechanical energy.

• true

• false

A windup toy moving forward shows how energy can change from potential energy to kinetic energy.

• fasle

• true

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When you throw a ball up into the air, when is its potential energy the greatest?

• when it hits the ground

• when it is still in your hand

• at its highest point

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What is energy due to motion?

• potential energy

• kinetic energy

• mechanical energy

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