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Ch. 15
Study Guide
| Question | Answer |
|---|---|
| List the examples of local winds. | Mountain/vally Breezes and Sea/Land Breezes |
| What are auroras and where are they found? | They are made of lights in the Ionosphere and found at the poles |
| Our ozone layer absorbs which type of harmful radiation from the sun? | UV Rays |
| How much oxygen and carbon dioxide is found in our air? | 21% oxygen and 1% carbon dioxide |
| Which global wind blows away from the poles to the west? | westerlies |
| What are the two most abundent gases found in the air? | nitrogen and oxygen |
| Describe air pressure. | The measure of the force with which air molecules push on a surface |
| What happens to air pressure as altitude increases | There is lower air pressure. |
| Describe jet streams. | a narrow band of strong winds that blow in the upper troposphere |
| What is the greenhouse effect? | the warming of the surface and lower atmosphere of Earth that occurs when water vapor, carbon dioxide, and other gases absorb and reradiate thermal energy |
| Explain the 3 ways that heat is transferred. | Convection, conduction, and radation |
| Where do trade winds flow toward? | They curve to the west at the northern hemisphere |
| What does the Coriolis Effect make the winds do? | It makes them curve |
| Describe the doldrums. | a calm area with very little winds |
| What is the ozone layer? Where is it found? | A layer that protects us from UV rays, found in the thermosphere |
| Describe the thermosphere. | Its the hottest layer and there are many gases that react and mix together |
| What is the most common atmospheric gas? | nitrogen |
| What parts of the earth cools off faster and heats up faster? What does this unequal heating create? | This creates global warming |
| What is smog? | this is when vehicle exhaust gets trapped by sunlight and creates a cloud of pollution |
| Describe the movement of convection currents. | It moves in circular patterns |
| Which instrument measures air pressure? | barometer |
| What is significant about the troposphere? | We live in it and lots of weather happens here |
| What kind of ways have humans created air pollution? | Burning fossil fuels and creating exhaust |
| What is another name for the distance above sea level? | Altitude |
| What are global winds? | Winds that circle all around the world |
| What does the name of a wind tell you? | Air flowing through objects |
| How much of the sun’s energy actually reaches the Earth? | 2 billionth |
| What property are the layers of the atmosphere based on? | Gases |
| Which calm area is located around 30 degrees north and south latitude? | Doldrums |
| What is the atmosphere? | A mixture of gases that surrounds the Earth |
| List the 3 global winds and the 2 calm areas. | polar easterlies, westerlies, trade winds.... doldrums and horse latitudes |
| What is global warming? | An unusual increase in the Earths temperature |
| If air mass increases what happens to density? | It also increases |
| What type of winds blow over short distances? | Local Winds |
| How are all winds created? | Differences in air pressure |
Created by:
dylanschuster
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