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Minerals, Rocks, and Fossils

Minerals, Rocks, and Fossils. What are rocks made of?. minerals. Minerals are not made by people; they are …. …naturally occurring substances. Name four properties (or clues) that scientists use to identify minerals. Color, luster, streak, and hardness.

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Minerals, Rocks, and Fossils

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  1. Minerals, Rocks, and Fossils

  2. What are rocks made of? minerals

  3. Minerals are not made by people; they are … …naturally occurring substances.

  4. Name four properties (or clues) that scientists use to identify minerals. Color, luster, streak, and hardness

  5. Which property means the way the light bounces off the mineral? luster

  6. What words can be used to describe a mineral’s luster? Glassy, dull, shiny, greasy

  7. Why is color not a good property to use to identify a mineral? limestone slate Many minerals have the same color.

  8. fingernail, penny, nail What are three testers that can be used to determine a mineral’s hardness?

  9. What type of rock is formed when magma cools and hardens? Igneous

  10. What type of rock is formed when change occurs from heat and pressure in the Earth? Metamorphic

  11. What type of rock is formed when weathering and erosion cause sediments to press together in layers? Sedimentary

  12. Melted rock below the Earth’s surface is called… magma.

  13. Small bits and pieces of rocks are called… sediments.

  14. The breaking down and wearing away of rocks is called… weathering.

  15. The movement of sediments from one place to another is called… erosion.

  16. What is any trace, mark, or remains of an organism called? fossil

  17. Now that’s old!! 10,000 years How old must a fossil be?

  18. What kind of rock are fossils usually preserved in? sedimentary

  19. They study them to learn about extinct plants and animals. Why do scientists study fossils?

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