CKLA Unit 5 Chapter 2

Front

What is the cornerstone of modern geology?

Back

Plate tectonics.

Front

What is the rate at which tectonic plates move apart along the mid-ocean ridge in the Atlantic Ocean?

Back

About .8-2 inches a year.

Front

How do tectonic plates interact at plate boundaries?

Back

They move apart, collide, or slide past each other.

Front

What are the four main layers of the Earth?

Back

Inner core, outer core, mantle, and crust.

Front

What drives the movement of tectonic plates?

Back

Heat and pressure in the mantle.

Front

What is continental drift?

Back

The theory that continents have moved over geological time.

Front

What is a tectonic plate?

Back

A large slab of Earth's lithosphere that moves and interacts with other plates.

Front

What happens at divergent plate boundaries?

Back

Tectonic plates move apart from each other.

Front

What happens at convergent plate boundaries?

Back

Tectonic plates collide with each other.

Front

What is a transform boundary?

Back

A place where tectonic plates slide past each other.