Across
- 2. Moving fastly.
- 4. A huge part that makes up the earths crust.
- 5. An opening on the surface of the earth which lava and gas spurt out.
- 7. A system that measures the strength of an earthquake by getting the data from a seismograph.
- 11. Hot molten rock.
- 12. Rock and dirt falling down a mountain.
- 14. Area of land that normally floods after heavy rainfall.
- 15. A word used in the area of the Indian Ocean to describe a tropical storm.
- 16. Hardened volcanic ash.
- 19. A week part in the earths crust where rock layers have ruptured and slipped.
Down
- 1. Which forms from runny lava.
- 3. Asleep but may erupt in the future.
- 6. Rain which has acid in it usually in areas that are polluted.
- 8. Violent winds.
- 9. The downward movement of heaps of ice and snow.
- 10. A point Where an earthquake reaches the earths surface.
- 13. A long period of dry weather.
- 17. Frozen drops of water that fall from the sky.
- 18. An instrument to easure earthquakes.
- 20. Raised walls to stop water getting into specific areas.