Conduction, Convection, Radiation

Front

What is conduction?

Back

Conduction is the transfer of heat from one object to another through direct contact.

Tags

NGSS.MS-PS3-5

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases) where warm air or liquid rises and cool air or liquid sinks.

Tags

NGSS.MS-ESS2-6

Front

What is radiation?

Back

Radiation is the transfer of heat in the form of electromagnetic waves, such as light or infrared radiation.

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS4-3

Front

In heat transfer, heat always flows from which substance to which substance?

Back

Heat always flows from the hotter substance to the colder substance.

Front

What happens to warm air?

Back

Warm air rises because it is less dense than cool air.

Tags

NGSS.MS-ESS2-6

Front

What happens to cool air?

Back

Cool air sinks because it is denser than warm air.

Front

Give an example of conduction.

Back

An example of conduction is when a metal spoon gets hot after being placed in a hot soup.

Tags

NGSS.MS-PS3-3

Front

Give an example of convection.

Back

An example of convection is boiling water, where hot water rises to the top and cool water sinks.

Tags

NGSS.MS-PS1-4

Front

Give an example of radiation.

Back

An example of radiation is feeling the warmth of the sun on your skin.

Front

What is the role of density in convection?

Back

Density affects convection because warm fluids are less dense and rise, while cool fluids are more dense and sink.