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Definition
| Very dense, hot metal; mostly iron and nickel, makes up 32% of earths mass but only 16% of its volume |
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| Solid, high pressure over-rules high temperature, densest part of earth |
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Definition
| High temperatures make iron molten, circulation of molten earth's magnetic field |
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| Planetary Differentiation |
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Definition
| As earth formed dense materials sank toward center of Earth while less dense materials rose developing into layers |
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Definition
| Usually referred to as the Mono, boundary between Earth's crust and the mantle, separates crust and the mantle, separates crust from mantle |
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| Dense, hot, pliable layer of rock, less dense then core because has elements like oxygen, silicon, magnesium, iron, aluminum; most of earth's mass, mostly dense |
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Definition
| Makes up .5% of Earth's total mass |
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Definition
| Composition of iron, magnesium, and silicon, basalt-rich oceanic crust |
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Definition
| Thicker and lighter, composition of calcium, sodium, potassium, and aluminum; much thicker, expands down 20-30 miles, appears layered and becomes denser with depth |
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