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chapter15
study guide
| Question | Answer |
|---|---|
| list the examples of local winds | land and ocean breeses |
| what are auroras where are they found | light particals; in the ionosphere |
| our ozone layer absorb harmful radiation called... | uv rays |
| how much oxygen and Co2 is found in our air | oxygen=21% Co2=1% |
| which global wind blows away from the poles to the west | westerlies |
| what are the 2 most abundant gases found in the air | oxygen;nitrogen |
| describe air pressure | the amount of air being forced down upon you |
| what happens to air pressure as altitude increses | the pressure decreses |
| describe jet streams | streams of quickly moving wind |
| what is the greenhouse effect | when the suns rays are trapped in by the atmosphere |
| explain three ways that heat is transfered | conduction;radiation;convection |
| where do trade winds flow twards | the equator |
| what does the Coriolis effect make winds do | make a curving path |
| describe the doldrums | the area around the equator where trade winds occur |
| what is the ozone layer; where is it found | a layer of gases that block out harmful UV rays;in the stratosphere |
| describe the thermosphere | the layer where temp. increases as altitude increases |
| 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? | land breezes |
| . What is smog? | a mixture of exhaust and ozone |
| Describe the movement of convection currents. | circular |
| . Which instrument measures air pressure? | a barometer |
| . What is significant about the troposphere? | it is where we live |
| What kind of ways have humans created air pollution | deforestation and burning fossil fuels |
| What is another name for the distance above sea level? | the water table |
| What are global winds | winds that are all over the earth |
| What does the name of a wind tell you | where the wind is coming from |
| How much of the sun’s energy actually reaches the Earth? | 2/100000000 |
| What property are the layers of the atmosphere based on? | gases |
| Which calm area is located around 30 degrees north and south latitude? | horse latitudes |
| What is the atmosphere | a mixture of gases that surround the earth |
| . List the 3 global winds and the 2 calm areas. | polar easterlies,westerlies,trade winds;doldrums horse latitudes |
| What is global warming | a gradual change in temperature |
| If air mass increases what happens to density? | increases |
| What type of winds blow over short distances | local winds |
| How are all winds created | the sun |
Created by:
jacob 99 awsome goaly
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