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. Describe what can happen when two continental plates collide.
   
   

2. Describe what can happen when an oceanic plate and a continental plate collide.
   
   

3. What type of plate movement formed the Himalayas?
   
   

4. What type of plate movement formed the Cascade Range?
   
   

5. What force caused u-shaped valleys to develop in the Sierra Nevadas?
   
   

6. What forces created Mt. St. Helens? (Hint: Review the pictures in this lesson.)
   
   

7. Define the term “subduction.”
   
   

8. Name at least two areas where mountains continue to form.
   
   

9. Mt. Everest is a part of which mountain range? (Hint: Review the pictures in this lesson.)
   
   

10. What caused the earth's crust to break into a series of valleys and mountain ranges in the area that we call the Sierra Nevadas?