Earth Science: Chapter 2: lesson 2 Rocks
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Earth Science: Chapter 2: lesson 2 Rocks

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Notes from 10/20/10

Notes from 10/20/10

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Earth Science: Chapter 2: lesson 2 Rocks Earth Science: Chapter 2: lesson 2 Rocks Presentation Transcript

  • Rocks Chapter 2, Lesson 2
  • Rocks
    • A rock is a natural, solid mixture of particles mainly made of individual mineral crystals, broken bits of minerals, or fragments of rock.
  • Igneous Rock
    • Magma deep in Earth cools slow
      • large crystals
    • Lava on Earth’s surface cools fast
      • small crystals
  • Metamorphic Rock
    • Formed when solid rocks are squeezed (pressure) or heated.
      • New rock forms from old rock
      • Foliation- parallel bands of minerals form.
  • Sedimentary Rocks
    • Formed when sediment (small pieces of rock) is compressed by the weight of the material above them.
  • Rock Cycle
  • Homework
    • Chapter Content Mastery: Rocks and Minerals handout