Across
- 4. a fracture in the Earth's crust
- 6. December 21 or 22 in the Southern Hemisphere
- 9. two plates that slide past each other causing a fault. This motion causes earthquakes
- 10. layer of the Earth that is mostly liquid
- 11. large, powerful and destructive waves
- 13. process by which rocks and soil slowly break apart and are swept away
- 14. length of time for the earth to rotate on its axis
Down
- 1. circle of volcanoes and earthquakes along the Pacific Rim
- 2. time of year when day and night are of equal lengths
- 3. a hill or mountain with steep sides and a flat top
- 5. water droplets that fall back to the Earth as rain or snow
- 7. a violent shaking of the Earth's crust
- 8. precipitation soaks in the ground
- 12. mountain that erupts in an explosion of molten rock