FLASHCARDS: Convection Currents in the Mantle Quiz

Front

Cause of Earth's plate movement?

Back

Convection currents in the mantle.

Front

Heat source for mantle convection?

Back

The Core.

Front

Heat from Earth's core is transferred to which layer via convection currents?

Back

the Crust

Front

Layer of Earth with convection currents?

Back

Mantle

Front

When molten material in the mantle is heated, it becomes:

Back

Less dense.

Front

Cooling molten material in the mantle results in:

Back

More dense.

Front

Effect of heating on molten material in the mantle

Back

Molecules expand (spread out).

Front

Cooling molten material in the mantle causes molecules to:

Back

Condense (shrink together).

Front

Convection currents arise from:

Back

Differences in temperature and density.

Front

Movement of Earth's tectonic plates is caused by:

Back

Convection currents in the mantle.