Plate Tectonics CP (Ledford) 2425

Front

What is convection?

Back

The process where HOT magma rises and COLD magma sinks.

Front

What happens to more dense materials when Earth formed?

Back

They sank to the core.

Front

What are the underwater mountain chains at divergent boundaries called?

Back

Mid-ocean ridges.

Front

Where would the oldest rock be found in relation to a mid-ocean ridge?

Back

Oldest rock is found farthest from the mid-ocean ridge.

Front

What happens to pressure as you go deeper into the Earth?

Back

You feel MORE pressure as you go deeper.

Front

What is the Earth's outermost layer called?

Back

The crust.

Front

What is the layer of the Earth beneath the crust?

Back

The mantle.

Front

What is the Earth's innermost layer called?

Back

The core.

Front

What type of boundary occurs when tectonic plates move apart?

Back

Divergent boundary.

Front

What type of boundary occurs when tectonic plates collide?

Back

Convergent boundary.