Across
- 2. the emission of energy as electromagnetic waves or as moving subatomic particles
- 5. an artificial body placed in orbit around the earth or moon or another planet in order to collect information or for communication
- 6. a radar tracking system
- 10. types of hurricanes
- 11. the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise,
- 12. heat, dryness, sunshine, wind, rain, etc.
- 15. the gaseous envelope surrounding the earth; the air.
- 16. can be produced from the evaporation or boiling of liquid water or from the sublimation of ice.
- 18. is a pair of air masses, neither of which is strong enough to replace the other
- 22. the atmospheric temperature below which water droplets begin to condense
- 24. a condition of the atmosphere in which the pressure is above average
- 25. a body of air with horizontally uniform temperature, humidity, and pressure.
- 26. layer that contains a high concentration
- 27. a colorless, odorless flammable gas that is the main constituent of natural gas.
Down
- 1. the boundary of an advancing mass of warm air
- 3. the boundary of an advancing mass of cold air
- 4. layer between the stratosphere and the thermosphere
- 7. a composite front produced by occlusion.
- 8. rain sleet snow hall anything that falls to earth
- 9. absorbs most of the ultraviolet radiation reaching the earth from the sun.
- 13. the amount of water vapor present in air
- 14. layer above the troposphere
- 17. lowest layer of earth
- 19. the layer above the mesosphere
- 20. a condition of the atmosphere in which the pressure is below average
- 21. the process by which heat or electricity is directly transmitted through a substance
- 23. the outer layer of the atmosphere
