Across
- 5. the ridged outer part of earth
- 7. the place where two plates meet
- 12. the only place on earth where convection currents happen
- 13. made of hard solid rock
- 14. an underwater mountain range formed when 2 plates move apart
- 17. moving towards the same place
- 18. measure quantity or frequency measured some other quantity or frequency
- 19. Inner most part of earth
- 20. a sudden shaking of earths surface
Down
- 1. a diagram that shows what the inside of something looks like
- 2. the layer of soft solid rock underneath earths plate
- 3. a long deep indentation in the ocean floor formed when two plates move together
- 4. one of the many processes lava flows
- 6. sliding across eachother
- 8. moving apart in different directions
- 9. to examine in detail for a purpose
- 10. heat-driven cycles that occur in the air, ocean, and mantle
- 11. the outermost layer of our planet
- 15. One of the very large sections of hard solid rock that made up earths outer layer
- 16. something we observe to be similar over and over again