Across
- 2. a piece of the earth’s crust made of masses of rock
- 4. a force against another force
- 7. where the plates form
- 9. waves shock waves that come from the center of an earthquake
- 11. the region at the center of a hurricane about which the winds rotate, but which itself is relatively calm.
- 12. something that happens rarely or not often
- 13. inside part
- 14. groups
Down
- 1. energy that spreads out in the form of waves
- 3. bound by or affected by
- 5. scientists who study the motion of Earth
- 6. ranked or classified
- 8. cyclone scientific term for hurricane
- 10. turn or bend
- 15. power, force