Across
- 3. a country AND a continent
- 4. hot molten rock under the Earth's surface
- 6. the movement of one plate UNDER another
- 8. a boundary where plates come together
- 10. founder of the Theory of Continental Drift
- 12. Earth's solid surface
- 13. hot molten material released from a volcano
- 14. the ocean that is home to the Ring of Fire
- 15. the U.S. location of volcanic islands
Down
- 1. a boundary where plates pull apart
- 2. the state that is home to Mt. St. Helens
- 5. Mt. St. Helens created a cubic mile of this
- 7. a large supercontinent
- 9. original horizontality was about layers of these
- 11. a deep valley on the ocean floor