Across
- 4. a mass of mud (= wet earth) moving suddenly and quickly down a steep slope
- 7. the sudden loud noise that comes from the sky especially during a storm
- 8. an area of soft, wet ground that you sink into if you try to walk on it
- 10. (of land) full of water and almost covered by a layer of it
- 11. a large amount of water covering an area that is usually dry
- 13. something dangerous or serious, such as an accident, that happens suddenly or unexpectedly and needs fast action in order to avoid harmful results
- 15. a sudden heavy fall of rain
Down
- 1. an occasion when a volcano explodes, and flames and rocks come out of it, or the act of doing this
- 2. a strong wind in a desert carrying a large amount of sand
- 3. from or relating to the area between the two tropics
- 5. rain in very small, light drops
- 6. a deep narrow valley with steep sides
- 9. an event that causes a lot of destruction, or a sudden, violent change
- 12. thick, heavy soil that is soft when wet, and hard when dry or baked, used for making bricks and containers
- 14. the centre of a planet