Continental Drift and Plate Tectonics

Front

Who is credited with developing the theory of continental drift?

Back

Alfred Wegener

Front

According to Wegener's hypothesis of continental drift, what was the state of the continents?

Back

The continents were once joined together in a single landmass.

Front

What was the name of the supercontinent in the continental drift hypothesis?

Back

Pangaea

Front

What geological feature is produced by a collision between two pieces of continental crust at a converging boundary?

Back

Folded mountain range.

Front

What type of boundary is formed when tectonic plates collide?

Back

Convergent boundary.

Front

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

Back

Plate tectonics.

Front

What is the name of the ocean that surrounded Pangaea?

Back

Panthalassa.

Front

What type of boundary occurs when tectonic plates move apart?

Back

Divergent boundary.

Front

What is a mid-ocean ridge?

Back

An underwater mountain range formed by plate tectonics.

Front

What is a transform boundary?

Back

A boundary where two tectonic plates slide past each other.