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Earthlayers rocks


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Earthlayers rocks

  1. 1. Earth's layers <ul><li>Crust </li></ul><ul><li>Mantle </li></ul><ul><li>Inner Core </li></ul><ul><li>Outer Core </li></ul>
  2. 2. <ul><li>The crust and outer mantle make up the lithosphere. </li></ul><ul><li>About how thick is the lithosphere? </li></ul>
  3. 3. If Earth were and apple… Peel = crust Fruit = mantle Outer core = core Inner core = seed
  4. 4. What is a rock?
  5. 5. <ul><li>A rock is any naturally formed solid in the crust made up of one or more kinds of minerals. </li></ul>
  6. 6. What are the 3 types of rocks?
  7. 7. <ul><li>Igneous rocks </li></ul><ul><li>Sedimentary rocks </li></ul><ul><li>Metamorphic rocks </li></ul>3 types of rocks How are each of these rocks formed?
  8. 8. igneous rock Melted rock cools and becomes hard
  9. 9. igneous rocks granite pumice
  10. 10. sedimentary rock Layers of mud and sand slowly turn into rock
  11. 11. sedimentary rocks sandstone limestone
  12. 12. metamorphic rock Rock is changed by pressure and heat
  13. 13. metamorphic rocks gneiss slate