Across
- 1. region surrounding the earth or another astronomical body
- 5. a zone of energetic charged particles
- 7. an instrument that measures and records details of earthquakes
- 8. Redirection of a wave as it passes from one median to another
- 10. movement caused within a fluid by the tendency of hotter material
- 11. plates moving closer together
- 13. the outer layer of the earth
- 15. when plate tectonics move apart from each other
- 17. theory explaining the structure of the Earth’s crust
- 18. fault along a plate boundary where the motion is predominantly horizontal
- 19. volcanoes throughout a fault
- 20. sideways and downward movement of tectonic plates
Down
- 2. the continuous flow of charged particles from sun which permeates the solar system
- 3. A metric until of length equal to 1,000 meters
- 4. the study of the earth
- 6. An elastic wave in the earth caused by earthquakes
- 9. what makes something different
- 12. rock formed by deposition of mineral or organic particles at Earth’s surface
- 14. rock that has transformed from intense heat/pressure
- 16. a rock that solidified from lava or magma