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Ch. 15
Study Guide
| Question | Answer |
|---|---|
| 1.What are the two main gases in the atmosphere? | Nitrogen and Oxygen |
| 2.What is the percentage of Oxygen and Nitrogen? | Nitrogen= 78% Oxygen= 21% |
| 3.What is the percentage of carbon dioxide? | Less than 1% |
| 4.What is the most common atmospheric gas? A. Oxygen B. Nitrogen C. Carbon Dioxide | B. |
| 5.Describe the Thermosphere. | Hottest Layer |
| 6.What is the measure of force, with which air molecules push on a surface? | Air pressure |
| 7.What is the atmosphere? | A mixture of gases that that surround the earth |
| 8.What is the transfer of energy as electromagnetic waves? | Radiation |
| 9.What is the transfer of thermal energy through a material? | conduction |
| 10. What is the transfer of thermal energy by the circulation or movement of a liquid or gas? | Convection |
| 11.What does the atmosphere protect us from? | UV rays from the sun |
| 12.What pulls gas molecules toward the surface causing air pressure? | Gravity |
| 13.The higher you go toward the atmosphere the_______________. | Less air over you |
| 14.List the examples of local winds. | land Breeze, ocean breeze, Mtn. breeze, and valley breeze |
| 15.Our ozone layer absorbs which type of harmful radiation from the sun? | UV rays |
| What is so significant about the trophosphere? | It is where living things exist and that is where weather exists. |
| How much of the sun's energy actually reaches the Earth? | 2/1,000,000,000 |
| What are auroras and where are they found? | auroras are energy as shimmering lights and are found in the ionosphere. |
| What global wind blows away from the poles to the west? | Polar Easterlies |
| What is the greenhouse effect? | The greenhouse effect traps the heat or warm air from the sun. |
| Where do trade winds flow toward? | Northern Hemisphere= West Southern Hemisphere= East |
| What does the coriolis effect do to the winds? | Curves the winds |
| Describe doldrums? | Very little or weak winds? |
| What is the ozoneayer and where is it found? | The ozone layer is a thin like shield that protects us from the sun's harmful rays and is found in the stratosphere. |
| What parts of the cools and he eats up faster? What does this unequal heating create? | Land warms and cools faster. These are called land breezes. |
| What is Smog? | Smog is the mixture of ozone and vehicle exhaust. |
| Describe the movement of Convection Currents. | cycle Warm: Rises Cool: Sinks |
| Which Instrument measures air pressure? | barometer |
| What kind of ways have humans created air pollution? | burning fossil fuels Chemicals being exposed |
| What is another name for the distance above sea level? | shoreline |
| what does the name of a wind tell you? | the direction it starts or begins |
| if air mass increases what happens to density? | increases |
| what are global winds? | patterns of air circulations. |
| list the 3 global winds and 2 calm areas? | Global Winds: Polar Easterlies, Westerlies, trade winds Calm: doldrums, and horse latitudes |
| How are winds created? | difference in air pressure |
| which clam area is located 30 degrees north and south latitudes? | horse latitudes |
Created by:
200320790
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