| Atmosphere | Air Pressure | Moving Air | Fronts | Kinds of Winds |
|---|---|---|---|---|
|
What is atmosphere
Thin blanket of gases to surround the earth
|
What is the instrument used to measure air pressure?
A barometer
|
What is moving air called?
wind
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What is when two, unlike air masses, meet
Front
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What is the cause of wind
Changes in temperature
|
|
What is air
A mixture of nitrogen, oxygen, carbon dioxide and other gases in the atmosphere
|
When is air pressure greater?
Air pressure at lower altitudes.
|
What is How does the way the sunlight hits the earth affect the temperature?
Areas of direct sunlight are warmer than areas of slanted sunlight
|
What are the three kinds of fronts?
A cold front, a warm front, and a stationary front
|
What is global winds
Occur in large, circular belts around the earth
|
|
What is the number of layers in the atmosphere
5
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What can affect air pressure?
Temperature changes
|
What is Why would the air temperature be warmer at the equator than in Europe?
The equator receives more direct sunlight than Europe does.
|
What is a cold front?
Rain, possibly with thunderstorms and hail, followed by colder, drier weather
|
What is trade winds
The prevailing easterlies
|
|
What are the names of the layers of the atmosphere
Exosphere, Thermosphere, Mesosphere, Stratosphere, Troposphere
|
What is why do our ears sometimes hurt when we travel up or down mountains or fly in a plane?
Air pressure in our ears is not equal to the air pressure outside our ears.
|
What is an air mass?
A large body of air that has about the same temperature and moisture throughout.
|
What is a stationary front?
The air masses push against each other but stay in place
|
What is Polar Easterlies
Near the North pole and the south pole, blowing from the east and move away from each pole
|
|
What is located in the upper part of the stratosphere?
The ozone layer
|
What is how can you keep your ears from hurting when you travel up or down a mountain?
Swallowing, by chewing gum, by gently blowing your nose.
|
What is why would a low-pressure air mass sometimes bring rainfall?
It can hold more moisture than a high-pressure air mass can.
|
What is warm front
Several days of light rain or fog, followed by warm, moist weather
|
What is another name for trade winds
Prevailing easterlies
|
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