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Erosion

Erosion. Erosion – the process in which weathered particles are picked up and moved from one place to another. Weathering and erosion are two very different processes that tend to act sequentially #21. Erosion. Erosion is the movement of rock particles #22. Erosion.

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Erosion

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  1. Erosion

  2. Erosion – the process in which weathered particles are picked up and moved from one place to another.

  3. Weathering and erosion are two very different processes that tend to act sequentially #21

  4. Erosion • Erosion is the movement of rock particles #22

  5. Erosion • Erosion transports weathered rock material #23

  6. Erosion • Water, wind and ice are agents of erosion #24

  7. Erosion • Water, wind and ice are agents of erosion #24

  8. Deposition – the part of the erosion process in which sediment is placed in a new location

  9. Deposition • Deposition occurs where the agents (forces) of erosion lay down sediment #25

  10. Deposition • Dirt from mountain tops can be carried downhill to fill in valleys. This is called deposition #26

  11. Deposition Example • Dirt from mountain tops can be carried downhill to fill in valleys.

  12. Deposition Example • Area of the shoreline made up of material (usually sand) deposited by waves.

  13. Gravity’s Effect On Erosion and Deposition

  14. Mass Movement • Movement of rock, soil, or snow, down a slope.

  15. Waves erode the shoreline #27

  16. #28 What are the three major ways in which erosion moved sediment? • water • wind • ice 

  17. Weathering and erosion wear down, and deposition fills in Earth’s surface #29 • delta

  18. D E L T A

  19. Rivers can carve a valley through rock with a river flowing through it while a glacier can carve a valley where only rocks remain. When the glacier retreats or melts it leaves behind a valley without water #31

  20. Rivers can carve a valley through rock with a river flowing through it while a glacier can carve a valley where only rocks remain. When the glacier retreats or melts it leaves behind a valley without water #31

  21. If there is a deep valley without any water. How did it form? Possible? • glacier

  22.  Wind, water, and gravity all combine to move dirt around. Of the three, water is responsible for moving the most amount of soil #32

  23. The agent of erosion that carries the largest rocks is glaciers #30

  24. Erosion

  25. Review • How are weathering and erosion similar?

  26. Review • How are weathering and erosion different?

  27. Review • What is erosions?

  28. Review • What is weathering?

  29. Review • What are the two main types of weathering?

  30. Review • Three agents of erosion?

  31. Review • Erosion moves S_______________?

  32. Review • What erosion agent moves the largest rocks?

  33. Review • What erosion agent moves the most sediment?

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