1890 Erosion The first five pictures of this presentation are of the same rock, just in different time periods. Pay attention to the dates on the side.

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Presentation transcript:

1890 Erosion The first five pictures of this presentation are of the same rock, just in different time periods. Pay attention to the dates on the side of the pictures and see what the water did to this rock.

Erosion Still the same rock. 1910

Erosion Still the same rock. 1920

Erosion Still the same rock. 1970

Erosion Still the same rock, but where did it go? 1990

Here is another picture of what erosion caused.

The ground has been washed away by water. That is erosion.

Why are the roots of this tree so visible? What made this happen?

Erosion can be caused by water.

Erosion can be caused by wind and rain.

Erosion can happen quickly or slowly over a period of time. This formation took years and years of erosion to form.

This picture is of erosion down a mountain that destroyed the houses at the bottom. Destroyed houses

What can help prevent erosion?

Plants can help prevent erosion! Look at the roots on these grasses. Roots help hold the soil in place so that it doesnt wash away. Plant roots