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4 Cards in this Set
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- Back
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Define rock and mineral |
Rock: A natural material composed of one or more minerals Mineral: An inorganic, naturally occurring solid material; minerals can be either elements (pure substance) or compounds (two or more substance combined) |
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What is Moh's Hardness Scale? Name the hardest mineral and the softest mineral on the scale |
In geology, a scale that compares the hardness of ten minerals; talc has a hardness value of 1 (the softest) and diamond has a hardness value of 10 (the hardest) |
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Name the five ways to identify minerals and explain each one |
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Name the three rock families and explain how each id formed. Give examples pf each type |
Igneous rock: forms when hot magma or lava cools and solidifies Sedimentary rock: 75 percent of all the rock we can soo on earths surface Metamorphic rock: formed below earths surface when extremely high pressure and heat cause original rock, or parent rock, to change form |
