Heat Energy

Energy that makes things warmer

Heat

• We use heat energy every day!

• There are different ways we use heat energy

• Watch the video on the next slide for a better idea!

Heat and Light

• Sometimes an object creates 2 forms of energy

• The sun is making both light and heat energy

CONDUCTION, CONVECTION AND RADIATION

CONDUCTION

Transfer of heat by direct touch

The spoon is directly touching the hot liquid

CONDUCTION

Transfer of heat by direct touch

The pan is directly touching the heat

CONDUCTION

HEAT TRANSFER THROUGH DIRECT TOUCH

CONVECTION

Transfer of heat through heat rising through air or liquid

CONVECTION

Hot air or liquid rises, cool air or liquid sinks

CONVECTION

Hot air or liquid rises, cool air or liquid sinks

RADIATION

Radiation does not need matter to transfer heat.

It can travel through space.