Plate Tectonics

Front

What is the boundary called when tectonic plates collide together?

Back

Convergent boundary.

Front

Why did most geologists reject Alfred Wegener's idea of continental drift?

Back

Wegener could not identify the force that moved the continents.

Front

What are the two types of crust?

Back

Continental and oceanic.

Front

What landform is most likely found at a divergent boundary between two pieces of continental crust?

Back

Rift Valley.

Front

What type of plate boundary created the Great Rift Valley in Africa?

Back

Divergent boundary.

Front

What is a divergent boundary?

Back

A boundary where two tectonic plates move away from each other.

Front

What is a transform boundary?

Back

A boundary where two tectonic plates slide past each other.

Front

What is the Mid-Atlantic Ridge?

Back

A divergent boundary between the Eurasian and North American plates.

Front

What is the significance of Alfred Wegener's theory of continental drift?

Back

It proposed that continents were once connected and have since drifted apart.

Front

What geological features are commonly associated with convergent boundaries?

Back

Mountains, deep ocean trenches, and volcanic arcs.