7th Plate Tectonics Test

Front

The movement of the tectonic plates is caused by

Back

convection currents in the Asthenosphere

Front

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

Back

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

Front

What causes the movement of Earth's plates?

Back

convection.

Front

A place where two plates slip past each other, moving in opposite directions, is known as a _______

Back

transform boundary

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

The San Andreas Fault in California is known as an active earthquake area. What type of boundary is it?

Back

Transform

Front

What are the two types of crust?

Back

continental and oceanic

Front

Wegener’s proposal of a supercontinent was supported by:

Back

rock, fossil, and climate data.

Front

What is this a picture of?

Back

pangea