1. Forces that change landforms 10/21/09

2. Review Go over weather test

3. Forces that change Landforms EQ: What are the forces that change landforms?

4. Weathering

5. Water

6. Ice

7. Wind

8. Abrasion

9. Gravity

10. Forces that change Landforms What is the process of breaking down rock called?

11. Forces that change Landforms The surface of a rock becomes smoother as sand blows past it is an example of what?

12. Forces that change Landforms What happens to water in a rock as it changes from liquid water to ice?

13. Forces that change Landforms How has a valley changed in the last 100 years?

14. Forces that change Landforms EQ: What are the forces that change landforms?