Across
- 5. a large amount of snow that quickly moves down a slope
- 8. giant waves caused by earthquakes or volcanic eruptions under the sea
- 9. a type of storm in which powerful rotating winds form a column, which reaches from a cloud down toward the ground
- 10. big snow storm
Down
- 1. strong storms that start in the ocean and have winds of at least 74 miles an hou
- 2. a giant spark of electricity in the atmosphere between clouds, the air, or the ground
- 3. a fire that burns out of control in a natural area, like a forest, grassland, or prairie
- 4. what happens when two blocks of the earth suddenly slip past one another
- 6. a combination of the words smoke and fog
- 7. a thick stream of mud and other material that moves quickly downward