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Chapter 15
A study guide
| Term | Definition |
|---|---|
| List the examples of Local Winds | Land, Sea, Valley, and Mountain |
| What are auroras and where are they found? | Shimmering lights in the ionosphere |
| Our ozone layer absorbs which type of harmful radiation from the sun? | The Ozone Layer absorbs UV rays |
| How much oxygen and carbon dioxide is found in our air? | oxygen: 21% carbon: 1% (with other gases) |
| Which global wind blows away from the poles to the west? | Polar easterlies |
| What are the 2 most abundant gases found in the air? | Nitrogen and oxygen |
| Describe air pressure. | The measure of the force where air molecules push on a surface |
| What happens to air pressure as altitude increases? | Decreases |
| Describe jet streams. | Narrow belts of fast moving winds |
| What is the greenhouse effect? | Gasses in atmosphere get absorbed |
| Explain the 3 ways that heat is transferred. | Conduction: direct Radiation: EM waves Coviction: goes through liquid or gas |
| Where do trade winds flow toward? | Equator |
| What does the Coriolis Effect make the winds do? | Winds curve |
| Describe the doldrums. | Winds meet at equator |
| What is the ozone layer? Where is it found? | Stratosphere |
| Describe the thermosphere. | Hottest layer, outer layer, and borialis' occur |
| What is the most common atmospheric gas? | Nitrogen |
| What part of the earth cools off faster and heats up faster? What does this unequal heating create? | Land cools heats fast; makes wind |
| What is smog? | Ozone and exhaust |
| Describe the movement of convection currents. | Cold: sink Hot: rise |
| Which instrument measures air pressure? | Barometer |
| What is significant about the troposphere? | Weather |
| What kind of ways have humans created air pollution? | Burning fossil fuels and exhaust |
| What is another name for the distance above sea level? | Altitude or elevation |
| What are global winds? | Convection cells combine at 30 degrees latitude |
| What does the name of a wind tell you? | Wind name tells you where it comes from |
| How much of the sun’s energy actually reaches the Earth? | 2/1,000,000,000 |
| What property are the layers of the atmosphere based on? | Temp. |
| Which calm area is located around 30 degrees north and south latitude? | Horse laditudes |
| What is the atmosphere? | Later of gasses that surrounds the Earth and protects us from UV rays |
| List the 3 global winds and the 2 calm areas | Global winds- Polar easy. West. Trade winds Calm- doldrums, horse lads |
| What is global warming? | Increase in average temp on earth |
| If air mass increases what happens to density? | Increases with density |
| What type of winds blow over short distances? | Local winds |
| How are all winds created? | Un= heating |
| Free bee | Free bee |
| Free bee | Freebee |
Created by:
thatone
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