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ch.15
Study Guide
| Question | Answer |
|---|---|
| List the examples of local winds. | land and sea breeze |
| What are the auroras and where are they found? | shimmering lights and they are found in the ionosphere |
| Our ozone layer absorbs which type of harmful radiation from the sun? | it absorbs ultra vioelt lights |
| How much oxygen carbon dioxide is found in our air? | 21 percent oxygen and less than 1 percent carbon |
| Which global blows away from the poles to the west? | the polar easterlies |
| What are the 2 most abundant gases found in the air? | nitrogen and oxygen |
| Describe air pressure. | the amount of air that is pushing down on you |
| What happens to air pressure as altitude increases? | as altitude increases air pressure decreases |
| Describe jet strems. | narrow belts of high speed winds |
| What is the green house effect? | the process which gases in the atmosphere absorbs energy and does not let it out |
| Explain the 3 ways that heat is transfered. | conduction moved through touch convection moved through movement radiation heat through feeling |
| Where do trade winds flow towards? | they flow towards the equator |
| What does the Coriolis effect make the wind do? | It makes the wind start to curve |
| Describe the Doldrums. | where trade winds meet it is very dull |
| What is the ozone layer where is it found? | it protects us from bad gases and it is found in the stratosphere |
| Describe the thermosphere. | upper most layer the temperature is due to solar radiation |
| 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 cools in the night and warms in the day which creates winds |
| What is smog? | the combination of smoke fog and sunlight |
| Describe the movement of convection currents. | when it gets hot it rises and when it cools off it sinks |
| Which instrument measures air pressure? | a barometer |
| What is significant about the troposphere? | it is where weather accurs |
| What kind of ways have humans created air pollution? | we burn fossil fuels |
| What is another name for the distance above sea level? | altitude or elevation |
| What are Global Winds? | a combination of convection cells located at every 30 degree latitude |
| What does the name of a wind tell you? | which way it has come from |
| How much of the sun's energy actually reaches the Earth? | 2/1,000,000,000 |
| What property are the layers of atmosphere based on? | the temperature |
| Which clam area is located around 30 degrees north and south latitude? | the horse latitudes |
| What is the atmosphere? | the layers of gases that surrounds the earth and protects us from uv rays and space objects |
| List the 3 global winds and the 2 calm areas | global westerlies and polar easterlies and trade winds calm horse latitudes and doldrums |
| What is global warming | the increase in average temperature |
| If air mass increases what happens to density? | if air mass increases then the density does too |
| What type of winds blow over short distances? | local winds |
| How are all winds created? | unequal heating of earth's surface |
Created by:
joshuaaba
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