Convection and the Mantle

Front

Cold water has ______ density than warm water.

Back

more

Front

When you heat up an object, the particles in the object move ______.

Back

faster

Front

When you touch hot sand, heat is transferred by _____ to your skin.

Back

conduction

Front

How does heat move?

Back

from a warmer to a cooler object

Front

_____, convection, and conduction are the three types of heat transfer.

Back

Radiation

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids and gases).

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

Front

What is radiation?

Back

Radiation is the transfer of heat in the form of electromagnetic waves.

Front

What happens to the density of water when it is heated?

Back

The density of water decreases when it is heated.

Front

What is the role of convection currents in the mantle?

Back

Convection currents in the mantle help to move tectonic plates.