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8th Grade Ch 7

Ch 7 Test

QuestionAnswer
1. Heat transferred by moving currents of air: convection
2. Air flowing up a mountain’s slope due to differences in temperature and pressure: anabatic winds
3. Wind that occurs when dense, cold air flows from higher to lower elevations: fall winds
4. Very dry, dusty winds blowing in Southern California: Santa ana
5. The layer that “bounces” radio waves: ionosphere
6. Outermost layer of the atmosphere: exosphere
7. The most abundant gas in the homosphere: nitrogen
8. Heat transferred by electromagnetic waves: radiation
9. A cool, gentle wind that blows from the land to the sea: land breeze
10. The most powerful and dangerous form of UV: UVC
11. What type of UV causes tanning and sunburns? UVB
12. Upper boundary of the thermosphere: thermopause
13. Layer that is characterized by high temperatures: thermosphere
14. Process in which temperature of a gas rises when compressed with no heat lost: adiabatic heating
15. The coldest point in the atmosphere: mesopause
16. Does water warm up more quickly or slowly than land? Does it hold heat longer? slowly and holds longer
17. Winds that reverse their direction from season to season: monsoon effect
18. A warm, dry wind that travels down a slope: foehns
19. Upper troposphere waves that form cyclones: Rossby waves
20. Four main factors that affect insolation: angle of sun, length of day time, distance from sun, clouds
21. Layer that acts as a “shield” to protect the earth: ozone layer
22. Northern and Southern lights are called: auroras
23. Least understood layer: mesosphere
24. “weather layer:” troposphere
25. Strong, steady winds but few changes of weather: stratosphere
26. Portion of the earth’s magnetic field that is affected by solar winds: magnetosphere
27. The decimal equivalent of solar radiation an object reflects: albedo
28. Blanket of gases that surrounds our planet: atmosphere
29. Circulating spiral of winds around a low pressure area: cyclone
30. The amount of energy available to heat the earth: energy budget
31. The process that traps heat in the atmosphere: greenhouse effect
32. The beltlike region that traps particles of solar wind: van allen radiation belts
33. The lower layer of the atmosphere is the: homosphere
34. Regions of high pressure and gentle winds at 30 degrees N and S: horse latitudes
35. Surface winds that blow from H pressure regions toward the equator: trade winds
36. Equatorial zone where sailing ships were often left without wind: doldrums
37. High-altitude wind in a narrow, meandering band: jet stream
38. Atmospheric pressure at sea level is _________ psi. 14.7
39. Extremely powerful radiation from deep space: cosmic rays
40. A circulating spiral of wind around a high-pressure system: anticyclone
41. The most important greenhouse gas: water vapor
42. The region in which a magent affects other objects is the: magnetic poles
43. Coriolis effect - the effect of earth's rotation on winds
44. 3 convection cells in order Polar, Ferrell, Hadley
Created by: misschapman