Across
- 2. It's when lava and gas are released from a volcano—sometimes explosively.
- 5. A violently rotating column of air that extends from a thunderstorm to the ground.
- 6. Huge masses of rock move beneath the Earth's surface and cause the ground to shake.
Down
- 1. A large rotating storm with high speed winds that forms over warm waters in tropical areas.
- 3. A is an overflow of water onto land.
- 4. It's a series of waves caused by earthquakes.