Across
- 5. mountain ranges that ran along the middle of the ocean
- 6. old rock
- 7. deep under water canyones
- 8. breaks in the earth's crust
- 9. the scientist that thoughtthe plates where joined together
- 14. platescomes together
- 15. forces that pulles on the crust
- 17. force that squesses the rock until it foldes or breakes
- 19. where pieces of earths crust diverge on land a deep vally
- 20. he emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization
Down
- 1. the plates move apart
- 2. were the ocean floor sinkes benith the a deep ocean trench
- 3. the pieces of earth
- 4. plates are in slow constent motion
- 10. wageners idea that the contenents were joined together
- 11. plates slipes pasted each other
- 12. it creates a large crack in the crust
- 13. wegener's idea that the continents slowly move over earth
- 16. the strength and vitality required for sustained physical or mental activity
- 18. waves that ditect stuff
