Plate Tectonics

Front

A place where two plates slip past each other, moving in opposite directions, is known as a _______

Back

transform boundary

Front

The outer layer of the Earth (the crust) is the...

Back

Lithosphere

Front

The movement of the tectonic plates is caused by _______

Back

convection currents in the Asthenosphere

Front

How is it possible for new crust to be formed without increasing the surface area of the Earth?

Back

Crust is destroyed at the same time it is created

Front

What are the two types of crust?

Back

continental and oceanic

Front

What is the theory that explains the movement of the Earth's plates?

Back

Plate Tectonics

Front

What is a divergent boundary?

Back

A boundary where two tectonic plates move away from each other.

Front

What is a convergent boundary?

Back

A boundary where two tectonic plates collide.

Front

What is the Asthenosphere?

Back

A semi-fluid layer of the mantle on which tectonic plates float.

Front

What is subduction?

Back

The process where one tectonic plate moves under another plate.