Heat Transfer

Front

What is heat transfer?

Back

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

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What are the three main types of heat 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 and gases) caused by differences in temperature and density.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Front

Define radiation.

Back

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

Front

What is a convection current?

Back

A circular movement of fluid caused by the rising of warmer, less dense fluid and the sinking of cooler, denser fluid.

Tags

NGSS.MS-PS3-4

Front

How does the Sun's heat reach the Earth?

Back

Through radiation.

Tags

NGSS.MS-ESS2-1

NGSS.MS-PS3-4

Front

What is the role of a thermos?

Back

To minimize heat transfer, primarily through conduction and radiation.

Tags

NGSS.MS-PS3-3

Front

Give an example of convection in everyday life.

Back

Warm air rising in a house.

Front

What happens to cold water in a lake?

Back

It sinks to the bottom, creating convection currents.