Across
- 4. eruption lava, magma and ash comes out of
- 5. a prolonged period of abnormally low rainfall, leading to a shortage of water
- 7. a violently rotating column of air
- 8. a mass of snow, ice, and rocks falling rapidly down a mountainside
- 10. combination of chemicals with oxygen
- 11. an overflow of a large amount of water beyond its normal limits
- 12. hole a cavity in the ground caused by water erosion
Down
- 1. a severe snowstorm with high winds
- 2. pellets of frozen rain which fall in showers
- 3. caused by the tectonic plates shifting
- 6. a long, high sea wave caused by an earthquake
- 9. a thunderstorm cluster