Across
- 4. the place on earth where if erupts could be the biggest volcano ever
- 7. what is used to measure earths movement
- 11. a huge hunk of ice
- 12. what happens when there is a earthquake in the ocean
- 13. hardened sand and other materials
Down
- 1. what is it called when the land slides
- 2. melted rock and other materials
- 3. a lava filled mountain
- 5. the top layer of earth
- 6. what are people that study the earth called
- 8. the center of the planet
- 9. where was the biggest earthquake
- 10. what happens when the tectonic plates sift