Across
- 5. the scale that is used to measure the strength of an earthquake
- 10. a vibration that is not extremely damaging but is still felt on earth
- 11. folds in rocks that bend upwards
- 14. layer of rock under the earth's crust that is part liquid and part solid
- 15. how severe an earthquake is
Down
- 1. the reason why the positions of continents have changed over time
- 2. the top layer underneath the earth's surface
- 3. the liquid layer of the earth
- 4. the point where an earthquake surfaces on earth
- 6. a machine used to measure earthquakes
- 7. what causes rocks to buckle from huge earth forces
- 8. the crack in the crust of the earth that rocks move along
- 9. the least felt vibration in an earthquake
- 12. folds in rocks that bend downwards, forming a U-shape
- 13. the most felt and most damaging vibration during an earthquake