Across
- 4. the powdery residue of matter that remains after burning
- 5. an instrument that is used for measuring the strength of earthquakes
- 7. plate with land on the surface
- 8. plate with an ocean on the surface
- 12. melting
- 13. melted
- 15. inside of the world
- 16. the strength of an earthquake, measured with numbers from 1 to 10, where 10 is the most powerful
- 17. molten rock on the earth`s surface
- 18. the point on the earth`s surface above where an earthquake forms
Down
- 1. is a series of water waves caused by the displacement of a large volume of a body of water
- 2. heated water underground rises to the surface due to pressure
- 3. shaking caused by an earthquake
- 6. where plates meet
- 9. is the result of a sudden release of energy in the Earth's crust
- 10. a small earthquake that happens after a bigger one
- 11. an opening in the surface or crust of the Earth
- 13. molten rock insinde the earth
- 14. a layer of molten rock underneath the crust
- 19. it is the outermost major layer of the earth, ranging from about 10 to 65 km in thickness worldwide. The uppermost 15-35 km of crust is brittle enough to produce earthquakes