1. The 2 nd layer of the atmosphere away from the Earth is the __. A.mesosphere B.troposphere C.ionosphere D.stratosphere

2. The atmosphere is __% nitrogen. A.Less than 1 B.21 C.78 D.1000

3. The transfer of heat/energy demonstrated by warming your hands by an open fire is A.radiation B.conduction C.convection

4. When charged particles from the sun collide with ions in Earth’s atmosphere, it can produce __. A.Rain and other forms of precipitation B.Global warming C.Convection D.Aurora

5. Which of the following is NOT a major component of Earth’s atmosphere? A.neon B.argon C.Carbon dioxide D.Water vapor

6. Blue skies and lovely weather are usually accompanied by __ air pressure. A.High B.Low

7. The 3 rd layer of the atmosphere away from the Earth is the __. A.mesosphere B.thermosphere C.ionosphere D.stratosphere

8. The transfer of heat/energy through circulating liquid or air is A.radiation B.conduction C.convection

9. Oxygen in the air comes from __. A.Decomposition B.Nitrogen fixing bacteria C.Combustion D.Photosynthesis

10. The 4 th layer of the atmosphere away from the Earth is the __. A.mesosphere B.thermosphere C.ionosphere D.stratosphere

11. The higher you go into the atmosphere, the __the air pressure gets. A.Higher B.Lower

12. As altitude increases, air pressure and barometric reading __. A.Increase B.Decrease C.Stays the same

13. Weather occurs in the A.mesosphere B.troposphere C.thermosphere D.stratosphere

14. A lava lamp works by A.radiation B.conduction C.convection

15. The atmosphere is __% carbon dioxide. A.Less than 1 B.21 C.78 D.1000

16. The jet stream is in the A.mesosphere B.troposphere C.thermosphere D.stratosphere

17. The circular movement of warm and cold air causes A.The greenhouse effect B.Global warming C.Convection currents

18. A __ measures air pressure. A.Barometer B.Anemometer C.Wind vane D.Jet stream

19. Which of the following is NOT a greenhouse gas? A.ozone B.methane C.Argon D.Carbon dioxide

20. The transfer of heat/energy demonstrated by a lizard sitting on a warm rock is A.radiation B.conduction C.convection

21. Aurora occur in the A.Jet stream B.stratosphere C.Ozone layer D.ionosphere

22. Storms and rainy weather are usually accompanied by __ air pressure. A.High B.Low

23. The transfer of heat/energy through space is called A.radiation B.conduction C.convection

24. Nitrogen in the air comes from __. A.Decomposition B.Nitrogen fixing bacteria C.Combustion D.Respiration

25. Water vapor in the air comes from __. A.Decomposition B.precipitation C.Respiration D.Photosynthesis

26. The ionosphere is found in which 2 layers of the atmosphere? A.Mesosphere and troposphere B.Troposphere and stratosphere C.Thermosphere and stratosphere D.Mesosphere and thermosphere

27. Which of the following is NOT a greenhouse gas? A.Water vapor B.methane C.nitrogen D.Carbon dioxide

28. The transfer of heat/energy through direct contact is called A.radiation B.conduction C.convection

29. The ozone layer is in the A.mesosphere B.troposphere C.thermosphere D.stratosphere

30. The air pressure at the equator is __ A.High B.Low

31. The atmosphere is __% oxygen. A.Less than 1 B.21 C.78 D.1000

32. Meteors burn up in the A.mesosphere B.troposphere C.thermosphere D.stratosphere

33. Which way does wind move? A.From areas of high pressure to areas of low pressure B.From areas of low pressure to areas of high pressure

34. The ozone layer __ A.Absorbs ultraviolet radiation from the Sun B.Forms aurora C.Moves weather D.Protects the Earth from meteorites

35. The hottest layer of the atmosphere is the A.mesosphere B.troposphere C.thermosphere D.stratosphere