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Ch.15
Study Guide
| Question | Answer |
|---|---|
| List the examples of local winds. | Land and sea breezes |
| What are auroras and where are they found? | Auroras are curtains and ribbons of shimmering colored lights.They are 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? | 99% |
| Which global wind blows away from the poles to the west? | Westerlies |
| What are the 2 most abundant gases found in the air? | Water vapor and carbon dioxide |
| Describe air pressure. | How much air weighs above you |
| What happens to air pressure as altitude increases? | Air pressure decreases as altitude increases. |
| Describe jet streams. | Jet streams are conveyor belts in the air that do not follow regular paths around the earth. |
| What is the greenhouse effect? | The greenhouse effect is absorbed thermal energy that radiate back into the earth. |
| Explain the 3 ways that heat is transferred. | Conduction, Radiation, and Convection |
| Where do trade winds flow toward? | Trade winds flow in a circulation pattern. |
| What does the Coriolis effect make winds do? | The Coriolis effect make winds curve do to the earths rotation. |
| Describe doldrums. | Doldrums are when the trade winds of the northern and southern hemisphere meet. |
| What is the ozone layer?Where is it found? | The ozone layer is a layer that protects us from the sun's harmful rays.It's found in the lower stratosphere. |
| Describe the Thermosphere. | The hottest and top layer of the atmosphere. |
| What is the most common atmosphere gas. | Nitrogen |
| What parts of the earth cools off faster and heats up faster.What does this unequal heating create. | Land cools off faster and heats up faster.Unequal heating creates winds |
| What is smog. | Smog is when ozone and exhuast reach with sun light. |
| Describe the movement of convection currents? | The movement of convection currents are in a circular motion |
| Which instrument measures air pressure? | An instrument that measures air pressure is a barometer. |
| What is significant about the troposphere? | What's significant about the troposphere is that we live in it. |
| What kinds of ways have humans created air pollution? | Vehicle exhuast |
| What is another name for the distance above sea level? | Altitude or elavation |
| What are global winds? | Global winds are the combination of convection cells fund at every 30 degrees of latitude. |
| What does the name of a wind tell you? | The direction wind is blowing. |
| How much of the sun's energy actually reaches the earth? | About 50% |
| What property are the layers of the atmosphere based on? | The layer's temperature changes with height. |
| Which calm area is located around 30 degrees north and south latitude? | Horse latitudes |
| What is the atmosphere? | A mixture of invisible gases that protect and cover the earth from things from outer space. |
| List the 3 global winds and the 2 calm areas? | Polar easterlies, Westerlies, and trade winds, Horse latitudes and Doldrums. |
| What is global warming? | Global warming is an increase in average temperatures. |
| If air mass increases what happens to density? | Density increases |
| What type of winds blow over short distances? | Trade winds |
| How are all winds created? | The unequal heating of the sun |
Created by:
Lightningboy
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