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11 Cards in this Set
- Front
- Back
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Crust |
Earths outermost layer, made up of relatively light and brittle rocks. |
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Continental crust |
The older and thicker part of the crust, which makes up the continents. |
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Oceanic crust |
The rock of the ocean floor,made up of mostly basalt and is denser than continental crust |
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Mantle |
Earths middle layer - the thickest of earth's layers |
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Magma |
Melted rock below earth's surface |
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Lava |
Molten rock-magma- that reaches earth's surface. |
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Lithosphere |
A term meaning "rock-sphere", it is divided into giant slow moving chunks of rock called tectonic plates. |
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Tectonic plates |
Giant, slow-moving chunks of rock |
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Asthenosphere |
The soft layer in the mantle that flows like a very thick liquid. |
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Core |
Earths innermost layer, and the densest layer. |
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Magnetic field |
The area in which the magnets force is exerted . |
