4th Grade Ch 8 Lesson 3 What Are Igneous And Metamorphic Rocks

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4th Grade Ch 8 Lesson 3 What Are Igneous And Metamorphic Rocks

  1. 1. Ch. 8 Lesson 3 What are igneous and metamorphic rocks?
  2. 2. Basalt Pumice igneous forms when molten rock cools & hardens cools slowly  large crystals cools quickly  small crystals examples:
  3. 3. igneous rock at Sunset Crater, Arizona
  4. 4. metamorphic rocks that have changed due to heat & pressure examples: gneiss slate Form from sedimentary, igneous & other metamorphic rocks
  5. 5. metamorphic rock at the bottom of the Grand Canyon
  6. 6. metamorphic rocks The more you try to be gneiss, the more you get taken for granite.
  7. 7. rock cycle <ul><li>how rocks change from 1 kind into another </li></ul>Interactive Rock Cycle Game
  8. 8. Interactive Rock Cycle animation
  9. 9. Interactive Rock Cycle Rocky the Rock Cycle Game
  10. 10. <ul><li>SEDIMENTARY rock Has been formed in layers Often found near water sources With fossils from decayers </li></ul><ul><li>Then there's IGNEOUS rock Here since Earth was born Molten lava, cooled and hardened That's how it is formed </li></ul><ul><li>These two types of rocks Can also be transformed With pressure, heat and chemicals METAMORPHIC now is formed. </li></ul>( Don't forget to sing this as a &quot;Round&quot;; after all, it is the Rock &quot;Cycle&quot;! ) Rock Cycle Song (Sing to the tune of &quot;Row, Row, Row Your Boat&quot;)
  11. 11. Rock layers are put down in the order in which they were formed.
  12. 12. Rock layers are put down in the order in which they were formed.

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