Across
- 3. when a new seafloor is formed
- 5. all of or continents today connected
- 6. to change shape or distort
- 9. decrease in size of an object
- 10. upper layer of earths mantle
- 12. the center of the earth materials matter of which a thing is made by
- 15. area on earth where 2 plates colide
- 17. one plate pushed beneath another
- 18. current that results from convection
- 19. wave produced by earthquake
- 21. zone of fractures between two rocks
- 22. when 2 plates move away from another
Down
- 1. state of being stretched tight
- 2. theory states earth has moving plate
- 4. when north and south poles switch
- 7. connects to another plate boundary
- 8. consists of crust and upper mantle
- 11. the layer beneath the crust
- 12. outermost layer of earth
- 13. giant slabs of rock in core
- 14. something thats in flattened state
- 16. theory that states earth once fused
- 20. third layer of atmosphere