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15-2
study guide
| Question | Answer |
|---|---|
| our ozone absorbs which type of harmful rays from the sun | ultra violet rays/UV rays |
| how much oxygen is found in our air | 21% |
| where do trade winds flow toward | the equator |
| what is smog | when vehicle exhaust and ozone mix with the sun's energy |
| which instrument measures air pressure | barometer |
| how much of the sun's energy reaches the earth | 50% |
| what is the atmosphere | a mixture of gasses in the air |
| what is the most common atmospheric gas | nitrogen |
| what causes differences in air pressure | unequal heating of the earth |
| large circular patterns of air movement are called | convection cells |
| what are some examples of local winds | mountain and valley breezes |
| what are auroras | a mixture of ions in the ionosphere |
| which global wind flows away from the poles to the west | westerlies |
| what is air pressure | the weight of air |
| what happens to air pressure as altitude increases | the air molecules spread out |
| what are jet streams | a narrow band of strong winds that blow in the upper troposphere |
| what is the greenhouse effect | where gasses such as carbon dioxide gets released into the air |
| what are the three ways that heat is transfered | convection, radiation, and conduction |
| what does the Coriolis effect make wind do | move in circular patterns |
| what are doldrums | the trade winds of the northern and southern hemispheres meet in an area around the equator |
| what is the ozone layer | a layer in the stratosphere that protects us from UV rays |
| what is the thermosphere | the hottest layer |
| what parts of the earth cools off faster and what cools off faster and heats up faster? what does this unequal heating create | land and air pressure |
| what is significant about the troposphere | it is the layer that we live in and it is also the smallest layer |
| what kind of ways have humans been creating air pollution | burning fossil fuels |
| what is another name for distance above sea level | altitude |
| what are global winds | winds that blow around the earth because of the earths rotation |
| what does the name of a wind tell you | its location and the way it blows |
| what property are the layers of the atmosphere based on | air temperature |
| what calm area is located around 30 degrees north and south latitude | horse latitudes |
| what are the 3 global winds and 2 calm areas | westerlies, easterlies, and trade winds horse latitudes, and duldrums |
| what is global warming | the warming of the earth due to greenhouse effects |
| how are all winds created | the rotation of the earth |
| what type of winds blow over short areas | local winds |
| if air mass increases what happens to density | it decreases |
Created by:
pancak3
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