Across
- 2. This happens when masses of rock move beneath the Earth's surface and cause the ground to shake.
- 6. A mountain that opens downward to a pool of molten rock (magma) below the surface of the earth.
Down
- 1. This can happen when someone isn't careful with a barbecue or when the weather is very hot after a very dry period of weather.
- 3. A large mass of snow, ice, earth, rock, or other material in swift motion down a mountainside.
- 4. A large ocean wave usually caused by an underwater earthquake or a volcanic explosion.
- 5. When there is too much rain in a very short period of time or a river receives too much extra water, either from heavy rain or other natural disasters