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12 Cards in this Set
- Front
- Back
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rocks
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made up of minerals
the way they are formed tells you the type of rock |
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3 types of rock
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igneous
sedimentary metamorphic |
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igneous
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forms from hardening magma
crystal size is determined by how fast it cools intrusive- under ground extrusive- above ground |
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sedimentary
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forms from the compaction and cementation of sediments
forms in layers may have organic materials (fossils or shells in limestone) |
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metamorphic
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rocks that undergo change from heat and pressure
they are more dense may have foliation (layer) |
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rock cycle
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rocks change through melting, heat, pressure
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earths layers
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inner core, outer core, mantle, asthenosphere, crust
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what is the inner core made of?
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iron, nickel and is solid
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What is the outer core made of?
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iron, and is liquidy, s waves cant pass through it
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mantle
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magma molten material, plastic-like
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crust
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lithosphere
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Moho
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boundary
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