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Ch.15
Study Guide
| Question | Answer |
|---|---|
| List the examples of Local winds. | Land Breezes and Sea Breezes |
| What are auroras and where are they found? | Charged light particles;found in the ionosphere. |
| Our ozone layer absorbs which type of harmful radiation from the sun? | Ultra-Violet Rays (UV Rays) |
| How much oxygen and carbon dioxide is found in our air? | Oxygen-21% Carbon Dioxide- Less than 1% |
| Which global wind blows away from the poles to the west? | Polar Easterlis |
| What are the two most abundant gases found in the air? | Nitrogen and Oxygen |
| Describe air pressure. | A mixture of invisible gases the push down on us. |
| What happens to air pressure as altitude increases? | Air pressure decreases |
| Describe jet streams. | A belt of high speed winds that blow in the upper troposphere and lower stratosphere. |
| What is the greenhouse effect? | When gases in the air Absorb thermal energy |
| Explain the three ways heat is transferred. | Conduction, Convection, and Radiation |
| Where do trade winds flow toward? | The equator |
| What does the Coriolis Effect make the winds do? | Turn or curve |
| Describe the doldrums. | An area around the equator where trade winds meet. |
| What is the ozone layer? Where is it found? | It protects us from harmful UV rays; found in the Stratosphere |
| Describe the Thermosphere. | The layer of the atmosphere that is the hottest |
| What is the most common atmospheric gas? | Nitrogen |
| What parts of Earth cools off faster and heats up faster? What does this unequal heating create? | Land heats and cools faster compared to land; creates wind |
| What is smog? | A mixture of smoke and fog |
| Describe the movement of convection currents. | They move up and down, from warm to cool |
| Which instrument measures air pressure? | Barometer |
| What is significant about the troposphere? | We live here; weather occurs here |
| What kind of ways have humans created air pollution? | Burning fossil fuels and driving |
| What is another name for the distance above sea level? | Altitude or elevation |
| What are global winds? | The combination of convection cells found at every 30 degrees of latitude and the Coriolis effect of air circulation is called global winds. |
| What does the name of a wind tell you? | Where it came from |
| How much of the sun's energy actually reaches Earth? | Two-billionths |
| What property are the layers of the atmosphere based on? | Temperature |
| 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 2 calm areas. | Global winds-Westerlies,Polar Easterlies,and Trade winds/Calm Areas- Horse latitudes and doldrums |
| What is global warming? | An increase in average global temperature |
| If air mass increases what happens to density? | It increases |
| What type of winds blow over short distances? | Local Winds |
| How are all winds created? | Unequal heating of the Earths surface |
Created by:
Leah77
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