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Glacier Peak, Washington

Brainstorm a list of all the forces that might change the surface of the Earth.

Click on the map to see photos of places in the United States and the kinds of erosion that created them.
Examine a landscape formed by erosion

Have you made your list? Now read on:
The Earths surface is constantly being changed. Water, ice, plants, animals, gravity and wind move sediments and erode the surface of the earth.
Were these things on your list?

Ocean waves are a powerful force creating erosion. Watch these pictures to see how this beach changed over time. Notice the dates at the bottom of the pictures.
Examine an example of wave erosion

Moving water is the most powerful force to change the surface of the earth.
How do rivers create chasms?Observe river erosion creating waterfalls and chasms
How do rivers create deltas?Processes of River Erosion, Transport, and Deposition

Glaciers cause massive erosion and carve out beautiful u shaped canyons.
Click on these pictures to understand the force of a glacier.
Observe how glaciers erode bedrock surfaces

Wind and chemical erosion have created some amazing rock formations.
Take a little trip to Arches National Park near Moab, Utah.
Click on Photos of Arches National Park courtesy of the National Park …

Complete the following questions:

1. Make a list of things that erode the surface of the earth. Name at least 5 causes of erosion.
2. What year could you see the sea stack (rock) at Nye Beach the best?
3. How many years did it take the wave action to erode the sea stack away?
4. What is the most powerful force to cause ersion on the Earth's surface?
5. What creates u shaped canyons?
6. How were the Arches formed near Moab?
7. How do humans cause erosion? Name at least 3 ways.