Force, Motion, and Energy Study Guide

What is energy?

• A type of matter

• The ability to cause change or do work

• The same as a force

• The movement of air

Which statement about energy is true?

• Energy can be destroyed.

• Energy can be created.

• Energy can be transformed from one form to another.

• Energy never changes form.

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Which is an example of kinetic energy?

• A book sitting on a table

• A stopped car

• A rolling soccer ball

• A stretched rubber band

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The motion of an object can be described by its —

• color and shape

• direction and speed

• size and texture

• weight and temperature

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What does net force mean?

• The total of all forces acting on an object

• The weight of an object

• The speed of an object

• The temperature of an object

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When multiple pushes and pulls are balanced on an object, the object —

• speeds up

• slows down

• stays still or moves at the same speed

• changes direction

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What happens when objects collide?

• They lose energy

• Energy transfers from one object to another

• They always stop moving

• The lighter object disappears

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Which of the following best describes speed?

• How fast an object is moving

• How heavy an object is

• The direction something moves

• The total amount of energy

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Unless acted on by a force, objects in motion —

• eventually stop on their own

• tend to stay in motion

• move faster and faster

• always slow down

A force is —

• any push or pull that causes an object to move, stop, or change direction

• another word for energy

• the weight of an object

• only caused by friction

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