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20 Cards in this Set
- Front
- Back
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sphere |
Shaped like a ball, with all points on the surface at an equal distance from the center. |
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geosphere |
The Earth's entire solid body. |
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gravity |
The force that every object exerts on every other object because of their masses. |
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atmosphere |
The layer of gases surrounding Earth. |
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hydrosphere |
Water on Earth's surface, underground and liquid water in the atmosphere. |
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biosphere |
Includes all living things on Earth. |
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density |
The amount of mass in a material per unit volume. |
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crust |
The brittle, rocky outer layer of Earth. |
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mantle |
The thick middle layer in the solid part of Earth. |
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lithosphere |
The crust and the uppermost mantle together. |
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asthenosphere |
The plastic (liquid) layer within the mantle. |
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core |
The dense metallic center of Earth. |
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magnetosphere |
The part of the magnetic field that interacts with charged particles from the Sun. |
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landforms |
Topographic features formed by processes that shape Earth's surface. |
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elevation |
The height above sea level. |
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relief |
Term that scientists use to describe differences in elevation. |
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topography |
Term used by scientists to describe the shape of a geographic area. |
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plains |
Landforms with low relief and low elevation. |
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plateaus |
Areas with low relief and high elevation. |
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mountains |
Landforms with high relief and high elevation. |
