Earth's Interior Flashcards

Front

How are the materials of the Earth's core different from those of the crust (in general)?

Back

They are more dense

Front

Which area of the Earth is least dense?

Back

crust

Front

Why is the core more dense than the mantle or crust?

Back

It has more iron.

Front

What is the thinnest layer of the Earth?

Back

crust

Front

Which layer of the Earth has the most VOLUME?

Back

mantle

Front

How do scientists know the Earth has layers?

Back

Seismic waves data

Front

What process is the pictures showing?

Back

convection

Front

What processes cause tectonic plates to move?

Back

convection currents

Front

What kind of energy moves the molten rock in Earth's mantle?

Back

thermal energy

Front

What phenomena takes place that results in the formation of new crust at mid-ocean ridges?

Back

magma rising to the surface