Plate Tectonics

Front

What causes the movement of tectonic plates?

Back

Convection currents in the Asthenosphere

Front

Observe this diagram of a plate boundary. One statement BEST describes what is happening.

Back

the denser ceanic crust is subducting under the less dense oceanic crust

Front

What causes the movement of Earth's plates?

Back

convection.

Front

The place where two plates come together is known as a _______

Back

convergent boundary.

Front

How are the ocean crusts moving in sea-floor spreading?

Back

Diverging

Front

What are the two types of crust?

Back

continental and oceanic

Front

What is this a picture of?

Back

pangea

Front

What does the theory of continental drift state?

Back

The continents were once joined in a super-continent and have moved over time

Front

The type of plate boundary where two plates come together is a .....

Back

Convergent Boundary

Front

A fault is formed by the movement of a __________ plate boundary

Back

Transform