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Earth's Layers and Rock Cycle: Fascinating Mineral Discoveries

Explore the Earth's layers and the rock cycle in captivating video clips showcasing minerals, rocks, and fossils. Discover how scientists identify minerals and the formation of igneous, sedimentary, and metamorphic rocks. Learn about fossils and their preservation in sedimentary rocks.

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Earth's Layers and Rock Cycle: Fascinating Mineral Discoveries

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  1. Minerals, Rocks, and Fossils

  2. Video Clips • How do we know the Earth has Layers Video clip: https://www.youtube.com/watch?v=WwiiOjyfvAU • https://www.youtube.com/watch?v=uAAeFB7Tv5A (Rock Cycle PowToon) • https://www.youtube.com/watch?v=9lyCYXXIHT0 (Rock Cycle Animation) • https://www.youtube.com/watch?v=6bkyXvYP4jM (Rock Cycle Untamed Scientist)

  3. Igneous Sedimentary Metamorphic No layering, and may have openings Often has layers, flat or curved Bands of light and dark minerals Usually made of two or more minerals Fossils and has great color variety May be composed of only one mineral Light or dark colored Sand paper like texture Layers of visible crystals Crystals of different sizes Pieces cemented or pressed together Crystals of different sizes

  4. What are rocks made of? minerals

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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