Heat Transfer

Front

What is heat transfer?

Back

The process of thermal energy moving from one object or substance to another due to a temperature difference.

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

What is conduction?

Back

The transfer of heat through direct contact between materials.

Tags

NGSS.MS-PS3-3

Front

What is convection?

Back

The transfer of heat through the movement of fluids (liquids and gases) caused by differences in temperature and density.

Tags

NGSS.MS-ESS2-6

Front

What is radiation?

Back

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

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

Front

How does temperature relate to molecular motion?

Back

Temperature is a measure of the average kinetic energy of the molecules in a substance.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What happens to the molecules in a substance as it heats up?

Back

The molecules move faster and spread apart, causing the substance to expand.

Tags

NGSS.MS-PS1-4

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-ESS2-5

NGSS.MS-ESS2-6

Front

Can convection occur in solids?

Back

No, convection primarily occurs in liquids and gases.

Front

What is an example of conduction?

Back

A metal spoon getting hot when placed in a pot of boiling water.

Tags

NGSS.MS-PS3-3