Weathering, Erosion, Deposition

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Weathering, Erosion, Deposition

  1. 1. W eathering, E rosion, and D eposition WED
  2. 2. Introduction <ul><li>Watch this short video </li></ul>
  3. 3. *Yosemite Half Dome-Was there a whole dome? *Where did the other half go? *What are the forces that can change our world?
  4. 4. What are landforms? <ul><li>A landform is…….. </li></ul>
  5. 5. Landforms <ul><li>Landforms are the shapes of the land we see on the surface of the Earth </li></ul><ul><li>Some of the changes of the surface start </li></ul><ul><li>below the first layer of Earths outer surface called the crust. </li></ul><ul><li>Eruption of volcanoes and big shifts like earthquakes can change the surface of Earth. </li></ul><ul><li>The Earth is constantly exposed to water, wind, and ice. </li></ul><ul><li>Overtime landforms are changed by these forces of nature. Some changes happen fast like a rockslide. Some changes happen so slow that we not even notice them in our lifetime. </li></ul>
  6. 6. Weathering
  7. 7. Weathering <ul><li>Weathering happens overtime. It is a process. </li></ul><ul><li>Weathering can break larger rocks into smaller rocks. Small rocks can be broken down further into soil and sand or tiny products called sediments. </li></ul><ul><li>The causes of weathering are water, ice, wind, plants, heating and cooling. </li></ul>
  8. 8. Erosion
  9. 9. Erosion <ul><li>Erosion is the movement of weathered rocks and soil. </li></ul><ul><li>Pieces of Earth’s crust are picked up and carried away. </li></ul><ul><li>Agents of erosion are wind, flowing water, waves, and gravity. </li></ul>
  10. 10. Deposition
  11. 11. Deposition <ul><li>Deposition is the dropping off, depositing of eroding rocks. </li></ul><ul><li>Deposition slowly builds up the surface and changes Earth daily. </li></ul>
  12. 12. Conclusion <ul><li>What did you learn? </li></ul>

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