Earth's Structure & Plate Tectonics

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

What is the layer of the Earth beneath the crust?

Back

Mantle

Front

What is the innermost layer of the Earth?

Back

Core

Front

What is the theory that explains the movement of continents?

Back

Continental Drift

Front

What type of boundary occurs when two tectonic plates collide?

Back

Convergent Boundary

Front

What type of boundary occurs when two tectonic plates slide past each other?

Back

Transform Boundary

Front

What type of boundary occurs when two tectonic plates move apart?

Back

Divergent Boundary

Front

What geological feature is formed at a convergent boundary?

Back

Trench

Front

What is a tsunami?

Back

A series of ocean waves caused by large underwater disturbances, such as earthquakes.

Front

What is the asthenosphere?

Back

A semi-fluid layer of the mantle that allows tectonic plates to move.