Layers of the Earth and Plate Tectonics

Front

What are the four main layers of the Earth?

Back

Crust, Mantle, Outer Core, Inner Core

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

Which layer of the Earth is the thickest?

Back

Mantle

Front

What is the layer beneath the crust?

Back

Mantle

Front

What is the layer that is liquid and surrounds the inner core?

Back

Outer Core

Front

What is the solid innermost layer of the Earth?

Back

Inner Core

Front

What are tectonic plates?

Back

Large pieces of the Earth's crust that move and interact with each other.

Front

What happens at transform boundaries?

Back

Tectonic plates slide horizontally past each other in opposite directions.

Front

What is the process called when tectonic plates move away from each other?

Back

Divergence.

Front

What is the process called when tectonic plates collide?

Back

Convergence.