Across
- 3. is a violently rotating column of air in contact with the ground and extending to the thunderstorm base, often seen extending from near the wall cloud. It can be a few yards across to a mile wide
- 5. clear sky when the sky has no clouds
- 6. A water substance in the solid form
- 7. The mixtures of gases
- 8. Crest the highest height that the river reaches during a flood event
- 10. a line connecting equal points of pressure
- 11. light wind
- 13. Precipitation in the form of balls or clumps of ice
- 14. pollution chemicals in the atmosphere that is harmful to living things
- 15. is the third planet from the sun
Down
- 1. frozen body tissue
- 2. is an instrument that measures air pressure
- 4. A column of cool air that sinks toward the ground. It is most often accompanied by rain.
- 7. an instrument that measures wind speed
- 9. light rain consisting of water drops that are very small
- 12. The shaking of a portion of the earth surface