Across
- 4. plates make this happen
- 5. A heavy element used in coins and jewelry
- 7. the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate
- 10. the liquid rock underneath earths crust
- 14. all the gases surrounding the earth
- 15. all the body’s of water
- 16. a hard solid substance that is bumpy
- 17. the great size or extent of something
- 18. also know as the lithosphere
- 19. the hottest place in the earth
Down
- 1. horse shoe volcanic circle
- 2. A highly transparent rock the is shinny
- 3. a very hard igneous rock containing mostly quartz and feldspar
- 6. a rock that form by sea creatures
- 8. all living organisms
- 9. this is when the plates move toward each other
- 11. something that make earthquakes
- 12. outside of the earth
- 13. this means when the plates move away from each other
- 20. sometimes in this volcanos form and make a island here