Unit 1 Review - The Atmosphere
Across
- 5. the 2nd most abundant gas in the atmosphere
- 6. 3rd layer of the atmosphere, Meteors burn up here
- 8. An imaginary line that lies in the middle of the earth, between the poles
- 9. Scientists who study weather forecasting
- 12. Measures air pressure
- 17. a fluffy cloud with a flat base, found at medium altitude
- 18. Gray, sheet like clouds, found at low elevation
- 19. 2nd layer of the atmosphere, Ozone found here
- 20. 4th layer of the atmosphere, auroras happen here
- 22. 1st layer of the atmosphere, Weather/life occurs here.
- 26. Scientists who studies the earth’s climates
- 27. The average weather of a particular part of the world at different times of the year. (Longer periods of time)
- 28. The state of the atmosphere at a given time and place, with respect to variables such as temperature, humidity, etc.
- 29. the most abundant gas in the atmosphere
- 30. 5th layer of the atmosphere, Merges with space
Down
- 1. Rain __________, Measures levels of precipitation (rainfall/snow)
- 2. The part of the atmosphere that absorbs harmful UV radiation
- 3. Clean Air Act (1970) created federal and state regulations to limit ____________
- 4. Measures wind speed
- 7. Wind ________, Shows the direction of the wind
- 10. Measures temperature(hotness/coldness) of the air
- 11. Thick, dark, heavy, often bring precipitation, builds from low to high altitude
- 13. The layer of gases surrounding Earth; composed mainly of nitrogen and oxygen.
- 14. Combustion from vehicles or factories are both examples of __________- sources of pollution
- 15. a visible mass of condensed water vapor floating in the atmosphere
- 16. Elevation above sea level
- 21. small particles in the air
- 23. Measures humidity (water vapor in the air)
- 24. Distance north or south of the equator
- 25. Nitrogen oxides can mix with fog to form this.
- 26. the dangerous pollutant that can damage the ozone (3 letters)