Energy Review - 4th Grade

Energy is

• the ability to cool
• what is needed to do work or cause change
• what stops motion

Energy produced by a machine or moving part

• thermal
• electrical
• mechanical

Energy that causes a transfer of heat between materials

• thermal/heat
• electrical
• mechanical

Radiant energy that our eyes can see

• light
• thermal
• electrical

Energy produced from air vibrations

• sound
• light
• heat

Anytime anything moves, energy is involved.

• True
• False

A hand crank to sharpen a pencil uses

• light energy
• thermal energy
• mechanical energy

Campfires use which form of energy to cook food?

• light
• thermal
• electrical

A flashlight is an example of

• light energy
• mechanical energy
• sound energy

A girl riding a bike is an example of which form of energy?

• thermal 
• mechanical
• light