The Continental Drift Theory & Plate Tectonics

Front

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

Back

Plate Tectonics

Front

What is the process called when two tectonic plates move away from each other?

Back

Divergent Boundary

Front

What geological feature is formed at a divergent boundary?

Back

Mid-ocean Ridge

Front

What type of crust is primarily composed of granite and is thicker than oceanic crust?

Back

Continental Crust

Front

What type of crust is dense, thin, and primarily made of basalt?

Back

Oceanic Crust

Front

What evidence did Wegener use to support his theory of continental drift?

Back

Fossil evidence, geological similarities, and climate evidence.

Front

What is the name of the boundary where tectonic plates collide?

Back

Convergent Boundary

Front

What is the term for the boundary where tectonic plates slide past each other?

Back

Transform Boundary

Front

What is the significance of the Ring of Fire?

Back

It is an area with a high level of tectonic activity, including earthquakes and volcanoes.

Front

What is subduction?

Back

The process where one tectonic plate moves under another and is forced into the mantle.