Heat Transfer

Front

What is heat transfer?

Back

The movement of thermal energy from one object or substance to another.

Front

What are the three main types of heat transfer?

Back

Conduction, convection, and radiation.

Front

What is conduction?

Back

The transfer of heat through direct contact between materials.

Front

Give an example of conduction.

Back

Cooking pancakes on a griddle.

Front

What is convection?

Back

The transfer of heat in a fluid (gas or liquid) through the movement of the fluid itself.

Front

Give an example of convection.

Back

Boiling water where hot water rises and cooler water sinks.

Front

What is radiation?

Back

The transfer of heat through electromagnetic waves, which can occur in a vacuum.

Front

Give an example of radiation.

Back

Sunbathing, where heat from the sun warms your skin.

Front

How does heat move between objects?

Back

Heat moves from hot objects to cold objects.

Front

What is a convection current?

Back

A cycle of rising warm fluid and sinking cool fluid that transfers heat.