Across
- 2. This is composed of the solid upper mantle and the crust
- 4. the layer of Earth between the crust and the outer core is called the ______
- 7. This softens the folds of mountains
- 9. The type of mountains formed along fault lines
- 11. A crack in the crust along which rocks move is called a ____
- 14. A mountain range in New York formed entirely by erosion
Down
- 1. shock waves of energy released in an earthquake are called ______
- 3. The type of mountain formed by volcanic activity
- 5. Dome mountains in South Dakota
- 6. The type of mountains formed when two plates collide
- 8. Where most mountains form
- 10. a mountain range in Arkansas
- 12. mountains form because two plates do this
- 13. "The edge of one plate sinks beneath another and melts into _____"