Across
- 2. the rigid outer layer of the earth
- 3. temporarily inactive
- 5. the violent shock of an earthquake
- 6. upper layer of the earth's mantle
- 8. an opening on the Earth's surface where lava flows out
- 10. a device that measures the measurement of an earthquake
- 12. rocks and particles blown out of a volcano eruption
- 13. along high wave caused by an earthquake
- 14. sideways and downward movements of the plates.
- 15. something that is both a liquid and solid
- 16. a large volcanic crater
- 17. earth before the earth continents separated
- 18. earth's surface directly above the focus of an earthquake
Down
- 1. a large igneous rock deep in the earth's crust
- 2. a crack in the earth's surface is a ___________
- 4. the center of the Earth
- 7. scale that rates the size of an earthquake
- 8. hot fluid that is below the earth's surface
- 9. a grey powder after something burns
- 11. the great size of something