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chapter 15
study giude
| Question | Answer |
|---|---|
| List the examples of local winds. | sea and land breezes |
| What are auroras and where are they found? | Part of the Thermosphere. Ions are found here. Shimmering lights such as auroras form here. Northern Lights. |
| Our ozone layer absorbs which type of harmful radiation from the sun? | ultra violet rays |
| How much oxygen and carbon dioxide is found in our air | 20.93% oxygen and .039% carbon dioxide |
| Which global wind blows away from the poles to the west? | polar easterlies |
| What are the 2 most abundant gases found in the air? | oxygen and nitrogen |
| Describe air pressure. | higher at lower places and lower at higher places. |
| What happens to air pressure as altitude increases? | decreases |
| Describe jet streams. | narrow strips of high speed winds |
| What is the greenhouse effect? | the trapping of gases in our atmosphere |
| Explain the 3 ways that heat is transferred. | conduction, convection, and radiation |
| Where do trade winds flow toward? | equator |
| What does the Coriolis Effect make the winds do? | curve |
| Describe the doldrums. | areas where the trade winds of the Northern and Southern Hemispheres meet in an area around the equator |
| What is the ozone layer? Where is it found? | the ozone layer is a layer in the stratosphere that blocks out harmful rays. |
| Describe the thermosphere. | hottest layer in the atmosphere. |
| 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 and cools fastest |
| What is smog? | the mixture of car exhaust and ozone gases the react to the sunlight |
| Describe the movement of convection currents. | circular paths |
| Which instrument measures air pressure? | barometer |
| What is significant about the troposphere? | weather occurs here and we live here |
| What kind of ways have humans created air pollution? | burning fossil fuels |
| What is another name for the distance above sea level | altitude |
| What are global winds? | winds that are located all over the world and follow patterns |
| What does the name of a wind tell you? | where it is from |
| How much of the sun’s energy actually reaches the Earth? | 1 of 2 billionths |
| What property are the layers of the atmosphere based on? | nitrogen and oxygen |
| Which calm area is located around 30 degrees north and south latitude? | horse latitudes |
| What is the atmosphere? | troposphere, stratosphere, ozone layer, mesosphere, thermosphere, ionosphere, (exosphere) |
| List the 3 global winds and the 2 calm areas. | polar easterlies, westerlies, trade winds, doldrums, and horse latitude |
| What is global warming | the warming of earth created by pollution |
| What type of winds blow over short distances? | local winds |
| How are all winds created? | by differences in air pressure heating of the sun and rotation of the earth |
Created by:
Jay Foster
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