natural disasters

4. a movement of rocks and soil down a mountain or hill
6. a very large sea wave, caused by an underwater earthquake or a volcanic eruption, that can cause a lot of destruction when it hits land
9. a sudden heavy fall of hail
10. a violent storm with very strong winds
11. a long period when there is no rain and people do not have enough water

1. a storm of wind, carrying with it clouds of sand
2. a sudden flash of light in the sky during a storm
3. a large amount of snow that falls down the side of a mountain
5. a sudden movement of the Earth's surface, often causing severe damage
7. a long period when people living in a particular area do not have enough food, and many of them suffer and die
8. If a place floods or is flooded, it becomes covered in water.