Earth Science
Across
- 3. the edge of a plate
- 6. plate boundary in which the plates move toward each other
- 9. continental margin far from a plate boundary
- 10. rigid layer composed of rust and upper mantle
- 12. solid outer layer of the earth
- 15. zone where one plate moves under another plate
- 17. level ocean floor
- 21. plastic layer in the upper mantle
- 22. The earth's lithosphere is composed of 8 large (and many small) _____.
Down
- 1. melted rock from the mantle
- 2. molten inner layer of the earth
- 4. shallow seafloor surrounding continents
- 5. underwater mountain range
- 7. narrow deep ocean floor
- 8. weather patterns of the ancient past
- 11. plume of rising magma not on a plate boundary
- 13. plate boundary in which the plates move away from each other
- 14. solid center of the earth
- 16. hot, deformable layer of the earth
- 18. continental margin on a plate boundary
- 19. plate boundary in which the plates move horizontally along the boundary
- 20. Meteorologist who first proposed continental drift theory