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science words (:
science words(:
Question | Answer |
---|---|
crust | the Earth's most outer layer. |
mantle | the layer directly beneath the earth's crust. |
asthenosphere | the zone of practically melted rock in the upper mantle of the Earth. |
lithosphere | the cool solid portion of Earth that includes the crust and part of the upper mantle. |
extrusive rock | magma that hardens on the earth's surface. |
intrusive rock | magma that hardens with in the earth's surface. |
mineral | a natural solid substance that has a chemical and physical structure. |
hardness | a propriety of a rock that determines what it can scratched/ or be scratched by |
luster | a propriety of rock that determines the reflection of light created |