Unit 8: Lesson 3: How Do Movements of the Crust Change Earth?

The thin outer layer of Earth, including dry land and the ocean floor.

• crust

• mantle

• core

• plate tectonics

The thick layer of Earth beneath the crust.

• crust

• mantle

• core

• plate tectonics

The layer of Earth extending from Earth’s center to the bottom of the mantle. It is mostly metallic iron and nickel.

• crust

• mantle

• core

• plate tectonics

The theory that Earth’s crust is divided into plates that are always moving.

• crust

• mantle

• core

• plate tectonics

A break in Earth’s crust where rock on one side moves in relation to rock on the other side.

• fault

• earthquake

• focus

• epicenter

• volcano

A shaking of Earth’s surface that can cause land to rise and fall.

• fault

• earthquake

• focus

• epicenter

• volcano

The point where an earthquake begins.

• fault

• earthquake

• focus

• epicenter

• volcano

The point on Earth’s surface directly above the focus of an earthquake.

• fault

• earthquake

• focus

• epicenter

• volcano

A place where hot gases, smoke, and melted rock come out of the ground onto Earth’s surface.

• fault

• earthquake

• focus

• epicenter

• volcano

Which land feature forms where two continental plates move toward each other?

• glaciers

• mountains

• oceans

• trenches