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Rocks and Minerals Review Mrs. Sheppard December 2014
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A. What type of metamorphic rock has bands or planes of mineral grains? B. With no bands or planes of mineral grains?
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Answer: A.Foliated B.Non-foliated
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What type of rock forms when it cools inside the Earth? Outside the Earth?
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Answer: A.Intrusive igneous rocks B.Extrusive igneous
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What do you call the test that is used when you rub a mineral across an unglazed tile?
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Answer: Streak test
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List the three types of sedimentary rock.
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Answer: Clastic Chemical Organic
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A. When magma cools slowly, what type of grain size does the rock have? B. When it cools quickly?
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Answer: A.Large grain B.Small grain
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What processes does sedimentary rock form from?
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Answer: Compaction and Cementation
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Does the decrease in pressure cause magma to form?
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Answer: Yes
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A. What is the hardest mineral on the Mohs Hardness Scale? B. What is the softest?
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Answer: A. Diamond B. Talc
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An increase in temperature and pressure cause what type of rock to form?
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Answer: Metamorphic
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The process of melting and cooling forms what type of rock?
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Answer: Igneous
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What forms from the process of weathering and erosion?
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Answer: Sediments
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Name two ways in which rocks are classified?
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Answer: Texture Grain size
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What is the process of making new rock from old rock called?
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Answer: The Rock Cycle
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What is the process of the laying down of sediments called?
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Answer: Deposition
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What do we call the chemical make up of a rock?
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Answer: Its composition
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What is the process of moving sediments from one place to another?
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Answer: Erosion
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What is the process in which the layers of sedimentary rocks are formed?
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Answer: Stratification
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What do we call a single layer of a sedimentary rock?
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Answer: Strata
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What are the 4 characteristics of a mineral?
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Answer: (any order) Naturally occurring Inorganic Solid/chemical composition Crystalline structure
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Name 4 of the 7 tests used to identify a mineral.
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Answer: Color Streak Hardness Cleavage Fracture Luster Density
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