Across
- 3. what is mount etna
- 6. what does an earthquake under the ocean cause
- 9. what is underneath the earths crust
- 11. what causes a tsunami
- 14. when you rub your hands together what does it make
- 15. what is the outer layer of the earth called
- 16. what scale measures earthquakes
Down
- 1. the study of rocks
- 2. anagram "event mom"
- 4. anagram "true crust"
- 5. earthquakes cause lots of ------
- 7. small tremor that follows an earthquake
- 8. molten rock that erupts from a volcano
- 10. roman city destroyed by volcano
- 12. the ejection of molten rock
- 13. the ---------- plates moves
