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Erosion. Definition Erosion is the picking up and carrying away of pieces of weathered rock.

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Presentation on theme: "Erosion. Definition Erosion is the picking up and carrying away of pieces of weathered rock."— Presentation transcript:

1 Erosion

2 Definition Erosion is the picking up and carrying away of pieces of weathered rock.

3 Erosion happens when the crust is exposed to: Water Wind Ice

4 Water Erosion Moving water can push and carry things along with it. –Helped to create the Grand Canyon –Causes beaches to disappear in the U.S. –Forms deltas –Most common type of erosion

5 Water Erosion

6 The Grand Canyon

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8 Wind Erosion Wind picks up small particles and moves them. –Can deposit sand in large piles called sand dunes. –Great factor in the 1930s Dust Bowl

9 Wind Erosion

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11 Glacial Erosion Glaciers wear away the land as they move over it; ice freezes onto rock and scrapes away the surfaces. –How the Great Lakes were formed –Least common type of erosion.

12 Glacial Erosion

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14 Name That Source of Erosion

15 What type of Erosion?

16 Glacial!

17 What type of erosion?

18 Water!

19 What type of erosion?

20 Wind!

21 What type of erosion?

22 Glacial


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