Plate Tectonics Chapter Review

Front

Why are similar animal fossils found on different continents across the Atlantic Ocean?

Back

The continents were once a single land mass.

Front

What is the result of an oceanic-continental crust collision at a convergent boundary?

Back

A subduction zone is formed.

Front

Who proposed the idea of sea floor spreading?

Back

Hess.

Front

What is Alfred Wegener's theory that continents slowly moved over Earth's surface called?

Back

Continental drift.

Front

What is the label at 2 in the Earth's layers?

Back

Mantle.

Front

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

Back

Plate tectonics.

Front

What geological feature is formed at a divergent boundary?

Back

Mid-ocean ridges.

Front

What is the process called when one tectonic plate moves under another?

Back

Subduction.

Front

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

Back

Transform boundary.

Front

What is the outermost layer of the Earth called?

Back

Crust.