Layers of the earth
Earth surface
Outside the earth
100

The outmost layer of the earth.

What is the crust?

100

A shape or structue on the surface of the earth that sticks out.

What is a landform?

100

Gases surrounding the earth.

What is the earth's atmosphere?

200

The center of the earth.

Where is the earth's core?

200

Landforms take up 25% of earth's surface.

How much space do landforms take up on earth?

200

Gases like oxygen are in the earth's atmosphere.

What gases are in the earth's atmosphere?

300

The middle layer of the earth that is rocky and thick.

What is the earth's mantle?

300

The earth's surface is 75% water

How much of the earth's surface is water/ocean/sea?

300

A thick layer of gases that act's like a blanket and hold's in the earth's heat.

What is the atmosphere's purpose?