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Chapter 15.
Questions from the study guide
| Question | Answer |
|---|---|
| List the examples of local winds. | sea breezes, land breezes, mountain breezes, valley breezes |
| What are auroras and where are they found? | They are bright lights found in the ionosphere. |
| Our ozone layer absorbs which type of harmful radiation from the sun? | UV rays |
| How much oxygen and carbon dioxide is found in our air? | 21% oxygen and 1% carbon dioxide |
| Which global wind blows away from the poles to the west? | Westerlies |
| What are the 2 most abundant gases found in the air? | Oxygen and carbon dioxide |
| Describe air pressure. | It is the force of the air above something |
| What happens to air pressure as altitude increases? | the higher you are the less air pressure there is because there's less air above you. |
| Describe jet streams. | The Jet streams are strong winds in the lower stratosphere and can reach 400km an hour. |
| What is the greenhouse effect? | When the ozone layer traps heat in which radiates to Earths surface |
| Explain the 3 ways that heat is transferred. | Convection, conduction, and radiation. |
| Where do trade winds flow toward? | Equator |
| What does the Coriolis effect make the winds do? | curve/move in circles |
| Describe the doldrums. | The doldrums are warm and very dry because they are near the Equator. Also there is very little wind here. |
| What is the ozone layer? Where is it found? | The ozone layer is a thin layer in the ionosphere that protects humans from the sun's UV rays. |
| Describe the thermosphere. | The thermosphere is the highest layer and is also the hottest. |
| 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. | The land heats up faster and cools down faster, this unequal heating creates wind. |
| What is smog? | Smog is formed when ozone and vehicle exhaust react with sunlight. local geography and weather patterns also contribute to smog formation. (Mixture of smog and fog) |
| Describe the movement of convection currents. | It moves towards something |
| Which instrument measures air pressure? | Barometer |
| What is significant about the troposphere? | It is where weather happens and we live here. |
| What kind of ways have humans created air pollution? | Burning the fossil fuels |
| What is another name for the distance above sea level? | altitude |
| What are global winds? | The combination of convection currents cells found at every 30 degrees of latitude and the Coriolis effect produces patterns called global winds. |
| What does the name of a wind tell you? | What direction it goes in |
| How much of the Sun's energy actually reaches the Earth? | 2 billionths. |
| What property are the layers of the atmosphere based on? | temperature |
| Which calm area is located around 30 degrees north and south latitude? | The Horse Latitudes |
| What is the atmosphere? | The atmosphere are five layers of gases that surround Earth, protecting humans from things coming from spaces such as comets and meteors. |
| List the 3 global winds and the 2 calm areas. | Polar easterlies, westerlies, trade winds, the doldrums, and horse latitudes. |
| What is global warming? | Earth is getting warmer |
| If air mass increases what happens to density? | Increases |
| What type of winds blow over short distances? | Local winds |
| How are all winds created? | By the differences in air pressure. |
Created by:
frances_is_awesome
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