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Ch 15

Study Guide

QuestionAnswer
1.List the examples of local winds. Land and sea breeze. Valley and mountain breeze.
2.What are auroras and where are they found? Shining lights fount in the ionosphere.
3.Our ozone layer absorbs which type of harmful radiation from the sun? UV rays
4.How much oxygen and carbon dioxide is found in our air? 21% oxygen less than 1% CO'2
5.Which global wind blows away from the poles to the west? Polar Easterlies
6. What are the 2 most abundant gases found in the air? Nitrogen Oxygen
7. Describe air pressure. measure of force with air molecules that push the surface.
8. What happens to air pressure as altitude increases? air pressure decreases
9. Describe jet streams. The jet stream is a narrow band of air that moves around the earth at relatively high speeds.
10. What is the greenhouse effect? gases that absorb thermal energy
11. Explain the 3 ways that heat is transferred. Conduction Radiation Convection.
12. Where do trade winds flow toward? equator
13. What does the Coriolis Effect make the winds do? they make the winds curve.
14. Describe the doldrums. doldrums are located at the equator that have no such winds.
15. What is the ozone layer? Where is it found? found at the layer in the earth's stratosphere that absorbs most of the ultraviolet radiation.
16. Describe the thermosphere. is the layer of the Earth's atmosphere directly above the mesosphere.
17. What is the most common atmospheric gas? nitrogen.
18. What parts of the earth cools off faster and heats up faster? What does this unequal heating create? wind
19. What is smog? fog combined with smoke. And polluted air
20. Describe the movement of convection currents. the movement of convection currents are by plate tectonics
21. Which instrument measures air pressure? barometer
22. What is significant about the troposphere? it Keeps us alive and creates weather
23. What kind of ways have humans created air pollution? exhaust and amoke
24. What is another name for the distance above sea level? altitude
25. What are global winds? global winds are the winds around the globe
26. What does the name of a wind tell you? probably from where it flows and where it is coming from
27. How much of the sun’s energy actually reaches the Earth? about 2 billionth
28. What property are the layers of the atmosphere based on? different gasses
29. Which calm area is located around 30 degrees north and south latitude? Horse latitudes
30. What is the atmosphere? layer of gases surrounding a planet
31. List the 3 global winds and the 2 calm areas Polar Easterlies, Westerlies, Trade Winds Doldrums, Horst Latitudes
32. What is global warming? the increse in average temperature of the earth
33. If air mass increases what happens to density? it increases too
34. What type of winds blow over short distances? local wind
35. How are all winds created? unequal heating of the earth's surface.
Created by: Turbotwo
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