Across
- 2. currents movement inside Earths surface that move rock and other material
- 4. _____ currents in earths mantel cause the rise and fall of rock
- 5. boundary a boundary where one plate slides past the other
- 9. ridge underwater volcano
- 11. trench a land form caused by divergent plate boundaries in the ocean
- 12. a food dish on Earth
- 13. boundary creates volcanoes and deep sea trenches
- 15. drift the gradual movement of continents
- 17. a solid rock can form from the cooling of this
- 19. the preservation of past life
Down
- 1. spreading the creation of new sea floor material
- 3. an opening in Earth's surface where lava erupts
- 6. arc a string of islands
- 7. the transfer of heat through and empty space
- 8. of fire a string of volcanoes where earthquakes often occur
- 10. boundary creates mountain ranges
- 12. big super continent
- 14. the transfer of heat from direct contact with it
- 16. extremely hot liquid inside of earth
- 18. carbon dioxide had a _____ of 2