Answer the following questions. You will receive immediate feedback when you select your answer or when you click on the green check mark (). When you are finished, click the How Did I Do? button to see your score.

1. What element formed the Grand Canyon?
   
   

2. What elements formed the Arches in Utah?
   
   

3. How do temperatures contribute to erosion?
   
   

4. What are three ways that water can cause erosion?
   
   

5. What factors can lead to landslides?
   
   

6. Do human actions contribute to erosion?
   
   

7. How do glaciers change the surface of the earth?
   
   

8. What is an element that caused the soil erosion that occurred in the US Midwest in the 1930s?
   
   

9. What natural occurrence wears away or destroys the earth's crust?