| A | B |
|---|
| The brittle, rocky outer layer of Earth. | crust |
| The thick middle layer in the solid part of Earth. | mantle |
| Liquid Iron | outer core |
| solid iron | inner core |
| rigid, outer shell of earth, includes the crust and uppermost mantle. | lithosphere |
| Ball shaped. | sphere |
| Earth's entire solid body. | geosphere |
| The layer of gases surrounding Earth. | atmosphere |
| Liquid water on Earth | hydrosphere |
| Frozen water on Earth. | cryosphere |
| All living things on Earth. | biosphere |
| The force that every object exertson all other objects because of their masses. | gravity |
| Mass divided by Volume. | Density |
| Plastic layer within the mantle. It is found below the lithosphere. | asthenosphere |
| A magentic field that protects Earth from cosmic rays and charged particles. | magnetosphere |
| Topographic feature formed by processes that shape Earth's surface. | landform |
| low elevation, low relief. | plain |
| The shape of a geographic area. | topography |
| high elevation, low relief | plateau |
| differences in elevations | relief |
| high elevation, high relief | mountain |
| height above sea level | elevation |
