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8th Grade Ch 7
Ch 7 Test
| Question | Answer |
|---|---|
| 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
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