Force, Motion, and Energy Review

___ energy is energy of position.

• Kinetic
• Potential

When an object is in motion, it changes ___.

• color
• shape
• size
• position

A ball rolling down the hill is an example of ___ energy.

• Kinetic
• Potential

When an object is sitting still, it has ___ energy.

• stored
• kinetic
• moving
• motion

A tractor pulling a plow has ___ energy.

• potential
• kinetic

A rooster sitting atop a fence has ___ energy.

• Potential
• Kinetic

An object can't move unless there is a __ causing it to move.

• speed
• force
• chair
• fork

___ tells us how fast something is moving.

• Gravity
• Force
• Kinetic
• Speed

True or False?  The speed of an object can increase, decrease, or remain the same.

• True
• False

___ happens when matter rubs against matter.

• Force
• Friction
• Gravity
• Speed