Conduction, Convection, Radiation

Front

What is conduction?

Back

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

Front

What is convection?

Back

Convection is the transfer of heat through a fluid (liquid or gas) where hot parts rise and cold parts sink.

Front

What is radiation?

Back

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

Front

How does an iron smooth out wrinkles in clothes?

Back

An iron smooths out wrinkles by transferring heat to the clothes through conduction.

Front

What happens to a hot liquid when it is heated?

Back

A hot liquid expands, becomes less dense, and rises.

Front

What is the direction of heat flow?

Back

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

Front

What is an example of conduction?

Back

An example of conduction is touching a hot stove and feeling the heat transfer to your hand.

Front

What is an example of convection?

Back

An example of convection is warm air rising and cool air sinking in a room.

Front

What is an example of radiation?

Back

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

Front

What is the main way heat is transferred in a microwave?

Back

The main way heat is transferred in a microwave is through radiation.