VOC. Flashcard

Front

What are the two types of Earth's crust?

Back

Continental and oceanic.

Front

What is the place called where two tectonic plates meet?

Back

Convergent boundary.

Front

How are the oceanic crusts moving in sea-floor spreading?

Back

Diverging.

Front

What forms at a divergent boundary?

Back

New crust.

Front

Which layer of Earth is the thickest?

Back

Mantle.

Front

What is the outermost layer of the Earth called?

Back

Crust.

Front

What is the layer beneath the Earth's crust?

Back

Mantle.

Front

What is the innermost layer of the Earth?

Back

Inner core.

Front

What is the process called when tectonic plates move apart?

Back

Divergence.

Front

What geological feature is formed at a convergent boundary?

Back

Mountains or trenches.