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