Term
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Definition
A condition of earth's atmosphere at a specific time and place.
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Term
What is the 'atmosphere'?
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Definition
An envelope of gases that surrounds the planet, and protects it from;
- extreme temperatures
- harmful rays from the sun
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Term
What gases is the atmosphere made of, and what percent?
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Definition
1.) Gases such as;
- Nitrogen- 78%
- Oxygen -21%
- Carbon Dioxide- 0.03-0.04%
- Other gases-0.04%
- Argon- 0.93%
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Term
| What liquids are in the atmosphere, and what are they? |
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Definition
Water Vapor; Water in gas form
Sulfuric Acid; Released from volcanic activity |
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Term
| What solids are in the atmosphere? |
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Definition
- Dust(More Common)
- Smoke
- Salt
- Chemicals
- Pollen
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Term
| Why is our atmosphere considered a system? And what are the parts that make it a system? |
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Definition
It's considered a system because it's made up of different parts that change.
Parts that make it a system are;
- Sun
- Temperature
- Gases/Air
- Percipitation
- Winds
- Clouds
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Term
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Definition
| Mass, Density, and Pressure |
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Term
| What is the formula for density? |
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Definition
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Term
The more (1)____ in a given amount of air, the greater the (2)______ is.
Fill in the blanks! |
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Definition
1.) molecules
2.) density
Complete sentence;
The more molecules in a given amount of air, the greater the density is.
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Term
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Definition
Pressure is;
a force applied to one area |
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Term
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Definition
| The amount of air pressure per square inch is 14.7 pounds |
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Term
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Definition
| A device that measures air pressure |
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Term
| What does the prefix 'baro' mean? |
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Definition
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Term
| What is a mercury barometer? |
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Definition
A mercury barometer is a long, glass tube that's closed at one end. As air pressure increases, the mercury levels rise.
*Measured in inches!!!!!! |
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Term
| What is an Aneroid barometer? |
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Definition
An airtight metal chamber that's sensitive to the changes in air pressure.
*This is the more common barometer
*Aneroid: Without liquid |
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Term
| What are the parts of a weather report, and how are they measured? |
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Definition
The parts are the forecasts, and the maps.
Forecasts; measured in mercury
ex: 25.92 inches
Maps; millibars
*1 inch of mercury= 33.86 milibars
ex: 29 inches of mercury= 981.94 millibars
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Term
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Definition
| The height above sea level |
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Term
| The (1)____ you go, the (2)____ air pressure there is, because it spreads out more; there's less air the (same as 1)____ you go in the atmosphere. |
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Definition
- Higher
- Less
Completed sentence;
The higher you go, the less air pressure there is, because it spreads out more; there's less air the higher up you go in the atmosphere. |
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Term
| What is more dense; hot air, or cold air? |
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Definition
| Colder air is more dense. This means that there's a greater pressure, and so, warmer air spreads out. The end result it lower air pressure. |
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Term
How does air move?
*What kind of air goes to another kind of air? |
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Definition
| Areas of high pressure(cold air) want to go to areas of low pressure(warm air) |
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Term
| The four main layers of the atmoshpere....? |
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Definition
| are based on changes in temperature. |
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Term
What are some important details about the troposhere?
Be sure to include;
- What tropo means
- What layer of the atmosphere it is
- How dense is it?
- What percentage of gases are found here?
- What percentage of water vapor is found here?
- What's the temperature like?
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Definition
- Tropo means turning or changing.
- This is the lowest layer
- Most dense
- 75% of all gases are in the troposhere
- 99% of all water vapor is in the troposhere
- For every 1 kilometer you go up, the temperature drops about 6.5 degrees celcius
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