1. To Next Slide Unit 6 Chapter 12 Lesson 1 Mountains Old and New 20 Questions!

2. To Next Slide Hot melted rock that comes from a volcano. Lava

3. To Next Slide An opening in the Earths surface out of which hot gases, ash, and lava may pour. Volcano

4. To Next Slide Paricutin formed quickly, while most mountains formed slowly. How was the way Paricutin formed different from the way most mountains form?

5. To Next Slide Side of the mountain Slope

6. To Next Slide What causes the shape of most mountains to change? Erosion

7. To Next Slide An imaginary line runs north and south along the highest points of the Rocky Mountains. Continental divide

8. To Next Slide How are the Appalachian Mountains different from the Rocky Mountains? The Appalachians are older and lower, and their peaks are more worn.

9. To Next Slide The line on a mountain on which no trees grow, the temperature is too low for trees to grow. Timberline

10. To Next Slide What happens to temperatures as elevation becomes higher? The temperature becomes lower.

11. To Next Slide Thats All! Keep Sharp Minds!