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