The Geosphere

Front

What are the Earth's compositional layers in order of increasing density?

Back

crust, mantle, core

Front

Which layer of the Earth is the thinnest?

Back

crust

Front

Which layer of the Earth is the coolest in temperature?

Back

the crust

Front

What is the process by which magma reaches the Earth's surface?

Back

Magma reaches the Earth's surface through volcanoes, then turns into lava.

Front

What are the two main factors in the mantle that contribute to the rock cycle?

Back

pressure and heat

Front

What is the outermost layer of the Earth called?

Back

the crust

Front

What is the layer beneath the crust called?

Back

the mantle

Front

What is the innermost layer of the Earth?

Back

the core

Front

What is magma?

Back

Magma is molten rock located beneath the Earth's surface.

Front

What is lava?

Back

Lava is molten rock that reaches the Earth's surface.