Forms of Energy

An object that contains a lot of thermal energy can be recognized because it ________________. 

• is moving quickly
• has a round shape
• is warm to the touch
• appears bright

Many common devices use this form of energy.  All of the devices that use a plug and socket like this are using what kind of energy? 

• Heat
• Light
• Sound
• Electrical

Which two forms of energy does the earth receive directly from the sun?

• Mechanical and thermal
• Light and thermal
• Light and sound
• Electrical and heat

What form of energy does the sun give?

• sound and thermal

• light and thermal

• mechanical and light

• thermal and mechanical

What type of energy do we use to cook food?

• mechanical

• light

• thermal

• sound

What type of energy is being used when riding a bicycle?

• mechanical

• light

• thermal

• sound

Some toys require batteries in order to work.  Which type of energy is used to power these toys? 

• light
• thermal
• sound
• electrical

What form of energy does a plant need from the sun?

• mechanical

• light

• thermal

• sound

Is this a heat, light, or sound source?

• Sound
• Light
• Heat

This boy is using a bow and arrow.  What form of energy does a bow and arrow demonstrate? 

• mechanical
• sound
• thermal
• electrical