Across
- 3. A rapidly rotating column of air that is in contact with the ground, often causing damage and destruction.
- 6. A rapidly rotating column of air that is in contact with both the surface of the earth and a cumulonimbus cloud.
- 7. A colorful arch in the sky that is caused by the refraction and reflection of light through raindrops.
- 8. A soft, wet, and rapidly shifting mixture of sand and water that can trap and drown people.
Down
- 1. A vent in the earth's surface through which molten rock, ash, and gas can escape.
- 2. A mythical horse-like creature with a single horn on its forehead.
- 4. The activity of traveling by boat, especially for pleasure.
- 5. A violent storm, especially one with high winds and heavy rain or snow.