Across
- 7. what the seismograph reads, travels through the earth
- 9. theory that explains the moving of Earths continents
- 11. one plate slides underneath of another one after contact
- 12. less than half of a mile
- 14. where boundaries slide by each other
- 15. plates that pull away from each other
- 16. change of direction when light hits an angle
- 17. the point where One plate goes underneath another one
- 18. hotter than any of the surrounding areas
Down
- 1. zone of energized charges particles, mostly from solar winds
- 2. planets melt, the materials become separated
- 3. hotter less dense material rises, colder more dense sink
- 4. rock that has changed physically or chemically, from heat, pressure, etc
- 5. study of the Earth
- 6. rock formed by built up sediment
- 8. rock solidifying from magma
- 10. responds to ground shaking, reads seismic waves
- 13. thickest layer of Earth