Natural Disasters

2. A landform where molten rock erupts through the surface of the planet
4. Small, intense weather systems that make strong winds, heavy rain, lightning, and thunder
6. A large amount of snow that quickly moves down a slope
8. Violently spinning, funnel-shaped columns of air that stretch from the dark thunderclouds they form in all the way to the ground
9. An uncontrolled fire that starts burning in wildland, such as a forest, grassland, or the edge of an urban area
10. Snowstorms with winds higher than 35 miles an hour and visibility
12. Huge masses of rock move beneath the Earth's surface and cause the ground to shake
13. Precipitation that falls as ice pellets during a severe thunderstorm
14. Non-native plants, animals, and diseases that cause harm to the environment, human health and the economy

1. When water overflows onto dry land
3. Violent events that are outside the control of humans
5. A mass of mud moving downhill, usually causing damage or destruction
7. Strong storms that start in the ocean and have winds of at least 74 miles an hour.
8. A large wave caused by movements in Earth's outer layer, or crust, which move ocean water
11. A period of unusually hot weather that typically lasts two or more days