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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? | Shimmering lights found in the Ionosphere |
| Our ozone absorbs which type of harmful radiation from the sun? | UV Radiation |
| How much oxygen and carbon dioxide is found in our air? | Oxygen-21% & Carbon Dioxide-1% |
| Which global wind blows away from the poles to the west? | Polar Easterlies |
| What are 2 most abundant gases found in the air? | Oxygen and Nitrogen |
| Describe air pressure. | The measure of the force with which air molecules push on a surface |
| What happens to air pressure as altitude increases? | Decreases |
| Describe jet streams. | Narrow paths of fast moving wind |
| What is the greenhouse effect? | The process by which gases in the atmosphere absorb thermal energy |
| Explain the 3 ways that heat is transferred. | Conduction-direct contact Convection-energy through liquid or gas Radiation-waves |
| Where do trade winds flow toward? | the equator |
| What does the Coriolis Effect make the winds do? | The Coriolis Effect makes winds curve |
| Describe the doldrums. | It's where the trade winds from the north and south hemisphere meet |
| What is the ozone layer? Where is it found? | The ozone layer is what protects us from the dangerous UV rays the sun gives off. It is found where the Stratosphere is. |
| Describe the thermosphere. | It is the hottest layer in Earth's atmosphere. |
| What is the most common atmospheric gas? | Oxygen |
| What parts of the Earth cools off faster and heats up faster? What does this unequal heating create? | Land cools and heats faster; Sea and land breeze |
| What is smog? | polluted air that forms when sunlight reacts with ozone and exhaust |
| Describe the movement of convection currents. | Convection currents move in circular patterns |
| Which instrument measures air pressure? | Barometer |
| What is significant about the troposphere? | It's where we live and it's where weather occurs |
| What kind of ways have humans created air pollution? | The exhaust that comes out of cars and chemicals put in cleaning material |
| What is another name for the distance above sea level? | Altitude or elevation |
| What are global winds? | Combination of convection cells at every 30 degrees latitude, winds that blow across long distances |
| What does a name of a wind tell you? | It tells you what direction it comes from |
| How much of the Sun's energy actually reaches the Earth? | two-billionth |
| 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? | An area of thick air that surrounds Earth |
| List the 3 global winds and 2 calm areas. | Global Winds-Trade Winds, Westerlies, and Polar Easterlies Calm Areas-Horse Latitudes and doldrums |
| What is global warming? | The increase in average temperature on Earth |
| If air mass increases what happens to density? | Increases |
| What type of winds blow over short distances? | Local Winds |
| How are all winds created? | Unequal heating of the Earth's surface |
Created by:
madii
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