Energy Light and Heat

True or false?

Heat is a source of energy.

• false

• true

A mirror _________________ light.

• absorbs

• reflects

• refracts

Rubbing your hands together is a way of producing heat.

• True
• False

What is the main light and heat source?

• sun
• rain
• light bulb

What is the light production of the moon?

• luminous material

• non luminous material

What is the light production of the sun?

• luminous material

• non luminous material

Choose the three sources of heat

• burning fuels

• friction

• moon

• electricity

• mirror

A metal spoon is placed in a pan of hot water. What will happen?

• Heat will move from the spoon to the water.
• Heat will move from the water to the spoon.
• The temperature of the water will increase over time.
• Nothing 

A chair is placed several feet from a fireplace.  The fireplace has a glass screen.  The side of the chair facing the fireplace gets warm because of 

• conduction
• convection
• radiation

 Ryan rubs two sticks together quickly. When he stops rubbing the sticks, he notices that they are warm to touch where he rubbed them. Which type of energy has been produced?

• sound energy
• electrical energy
• light energy
• heat energy