Thermal Energy Transfer

Front

What is thermal energy transfer?

Back

The process of heat moving from one object or substance to another.

Front

What are the three methods of thermal energy transfer?

Back

Conduction, convection, and radiation.

Front

Define conduction.

Back

The transfer of heat through direct contact between materials.

Front

Define convection.

Back

The transfer of heat through the movement of fluids (liquids or gases).

Front

Define radiation.

Back

The transfer of heat in the form of electromagnetic waves, such as infrared radiation.

Front

How does heat transfer occur when roasting marshmallows over a fire?

Back

Heat from the fire is radiated into the marshmallow.

Front

What happens to popcorn kernels when they are heated in a microwave?

Back

The kernels expand due to the buildup of steam inside.

Front

Why does a rock get hot during the day?

Back

Because of radiation from the sun.

Front

How is heat transferred when you sit around a campfire?

Back

Through radiation from the fire to your body.

Front

What happens when you touch a hot pot handle?

Back

You experience conduction, as heat transfers from the pot to your hand.