Across
- 4. Type of mountains formed by volcanic activity
- 7. The highest mountain in the world
- 8. The tallest underwater mountain in the world
- 10. The youngest mountain range on Earth
- 11. How most mountains are formed
- 12. Tallest mountain east of the Mississippi River
Down
- 1. Tallest mountain in North America
- 2. The oldest mountain range in the world
- 3. Type of mountains formed by the collision of tectonic plates
- 5. The oldest mountain range in the U.S
- 6. Location of Mt. Kilimanjaro
- 9. Location of the Himalayan Mountains
