The rock cycle
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Transcript

  • 1. The Rock Cycle
  • 2. What is the rock cycle?
    • It is a model that shows how closely related all the different types of rocks are to each other.
      • The amount of rock material on earth remains the same
      • However, the rocks go through many different transformations
  • 3. How does the rock cycle work?
    • Form sedimentary rocks
    • Igneous is known to be the primary (parent) rock on earth.
      • As the rocks come into contact with weathering and erosion , pieces break off
      • These pieces get transported and put together to form sedimentary rocks
  • 4. Form into Metamorphic Rocks
    • If these rocks or the igneous rocks are exposed to huge amounts pressure and heat they form into metamorphic rocks
  • 5. Form into Igneous rocks
    • If the metamorphic rocks or the sedimentary rocks melt and form into magma then they create igneous rocks
  • 6. General Rule !!!
    • ANY TYPE OF ROCK CAN FORM INTO ANY OTHER TYPE OF ROCK AS LONG AS IT IS SUNJECT TO THE RIGHT CONDITIONS
  • 7. Proof #1 of the rock Cycle
    • When we look at a sedimentary rock carefully
      • We see particles of all types of rock and from all over the place
  • 8. Proof of the Rock Cycle
    • When we look at other types of rocks we can see that the rocks have gone through many different changes.
  • 9. How are the rocks used?
    • Igneous
      • Granite for example is used to build monuments etc……
      • Might be crushed and used for roads etc…
  • 10.
    • Sedimentary
      • Especially sandstone is commonly used in construction and building houses and buildings
  • 11.
    • Foliated metamorphic rocks
      • Can be cut and used for roofing
    • Non-foliated (like marble0 is great for making statues etc…
  • 12. Resource Conservation
  • 13. Introduction
    • The Earth’s population is growing by the second
      • Therefore the demand for energy and products has rapidly increased
      • What is the problem and solution ?
  • 14. Fossil Fuels
    • Right now fossil fuels is the primary source of our energy
      • Fossil fuels include
        • Coal
        • Oil
        • Natural gas
      • They are non-renewable sources because we use too much too quickly
  • 15. What can we do?
    • We can use alternative energy
      • Solar
      • Hydropower (water powered)
      • Wind
      • Wave
      • Nuclear energy
      • These do less harm to the environment than fossil fuels
  • 16. The 4 Rs
    • Reduce
      • We can reduce how much fule we use
    • Reuse
      • We what we used already
    • Recycle
      • Use materials that can be recycled into new
        • Paper into recyclable paper
    • Reclaim
      • We can collect and use what has already been thrown out