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24 Cards in this Set
- Front
- Back
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Solar nebula |
Beginning stage of forming our solar system and if formed by the remains of supernovas |
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Accretion |
Grains and dust collide together to produce larger objects |
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Bombardment |
As earth increases in size more space debris does this creating lots of heat |
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Radioactive |
Elements inside the young earth are decaying producing more heat in and externally |
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Iron cat |
The period of time when intense heat causes the denser metals on top of the earth to melt and a magma ocean is created. |
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Magnetic field |
Created from the swirling and flowing of the molten metal core protects earth from solar winds. |
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Planetesimal |
Slammed into the earth creatong the moon |
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Moon moves away |
Earth begins to cool and slows down |
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Crust |
Begins to form surface water |
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Refractory |
High melting points |
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Volatile |
Low melting points |
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Compo of inner planets |
Crust: solids Core: iron and nickel |
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Compo of outer planets |
Crust: gasses Core: silicate rock |
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Crust |
Granite -land basalt-ocean earths rocky surface |
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Mantle |
Semi molten sluggish |
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Outer core |
Liquid molten rock magnetic field |
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Inner core |
Iron and nickel intense pressure |
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What is a mineral |
Solid Inorganic Deff chry structure Def chem compo Naturally occurring |
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Most abundant mineral |
Oxygen and silicon |
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Most abundant compound |
Silicates |
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Cooling effects size o crystal |
Slow-large Fast-small |
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Most minerals are |
Metals |
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Gravity |
Pulling force to the center of the earth |
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Density |
The degree of compactness |
