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chapter 15
study guide
| Question | Answer |
|---|---|
| our ozone layer absorbs whitch type of harmful radiation from the sun | ultra violet radiation. |
| list the examples of local winds | Sea and land breezes |
| what are the 2 most abundant gases found in the air | oxygen and nitrogen |
| describe air pressure | the amount of air on top of you. |
| what happens to air pressure as altitude increases | air pressure decreases. |
| explain jet streams | thier like currents in the air. |
| what is the greenhouse effect | the greenhouse effect is when the sun's energy comes in though the atmosphere and does not come out. |
| explain 3 ways heat is transferrd | conduction, radiation, convection |
| what does the coriolis effect make the wind do | it makes the winds move in curved paths |
| descibe the doldrums | trade winds that flow thoghout the northern and southern hemisphere |
| what are aurras | a light display in the sky |
| where are they formed | in the ionosphere |
| how much oxegen and carbon dioxide is found in the air | carbon dioxide = less than 1% and oxygen 21% |
| which global winds blows away from the poles to the west | Trade winds |
| where do trade winds flow | 30 degrees latitude |
| what is the ozone layer | a layer that protects us from uv ray |
| where is the ozone layer found | in the stratosphere |
| describe the thermosphere | it is a right above the stratosphere and it is over 1000 degrees there |
| what is the most atmospheric gas | nitrogen |
| what parts of the earth heats faster and cools faster | Land |
| what does the unequal heating create | Sun |
| what is smog | a mixture of smoke and fog |
| describe the movement of convection currents | Warmer air rises and as it cools will descend |
| which instrument measures air pressure | barometer |
| what is significant about the troposphere | we live there |
| what kind of ways have humans created air pollution | burning fossil fuels, car exhaust |
| what is another word for the distance above sea level | elevation |
| what are global winds | the combination of convection, cells found at every 30 degrees latitude |
| what the name of the wind tell you | it is all around the earth |
| how much of the suns energy actually reaches the earth | 2 billionths |
| what property are the layers of the atmosphere based on | a onion |
| which calm area is located around 30 degrees north and south latitude | horse latitudes |
| what is the atmosphere | mixtures of gases that surrounds the earth |
| list 3 global wind and 2 calm areas | easterlies, westerlies and local when doldrums and horse latitudes |
| what is global warming | an increase in average global temperatures |
| if air mass increases what will happen to density | it decreases |
| what type of winds blow over short distances | doldrums |
| how are all winds created | by differences in air pressure |
Created by:
yher
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