Plate Tectonics Unit Test Review

Front

What layer do lithospheric plates move along?

Back

Asthenosphere.

Front

Who proposed the theory of Pangea?

Back

Alfred Wegener.

Front

What type of plate boundary is a mid-ocean ridge found at?

Back

Divergent.

Front

What geological feature is formed by subduction at a convergent plate boundary?

Back

Deep ocean trench.

Front

What is oceanic crust primarily made of?

Back

Basalt.

Front

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

Back

Plate tectonics.

Front

What is the name of the supercontinent that existed millions of years ago?

Back

Pangea.

Front

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

Back

Transform boundary.

Front

What geological process occurs at divergent boundaries?

Back

Sea floor spreading.

Front

What is formed when two continental plates collide?

Back

Mountain ranges.