Layers of the Earth and Plate Tectonics

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

What is the layer of the Earth that is made up of solid rock and soil?

Back

Lithosphere

Front

Which layer of the Earth is the thickest?

Back

Mantle

Front

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

Back

Plate Tectonics

Front

Who proposed the hypothesis of Continental Drift?

Back

Alfred Wegener

Front

What type of boundary occurs when tectonic plates move apart?

Back

Divergent boundary

Front

What is the layer beneath the crust called?

Back

Mantle

Front

What is the term for the movement of tectonic plates?

Back

Plate movement

Front

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

Back

Outer core

Front

What is the solid inner part of the Earth called?

Back

Inner core