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24 Cards in this Set
- Front
- Back
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Weather |
The condition of earths atmophere at a particular time and place |
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Atmosphere |
The envolope of gases that surrounds the planet |
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Earth atmosphere is made up of |
Nitrogen, oxygen, carbon dioxide, water vapor and many other gases |
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Ozone |
Is a form of oxygen that has three oxygen atoms in each molecule instead of the usual two |
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Water vapor |
Water in the form of a gas |
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Earth's atmosphere make conditions on Earth suitable for |
Living things |
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Density |
Mass divided by volume |
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Pressure |
The force pushing on an area or Surface |
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Air pressure |
The results of the weight of a column of air pushing down on an area |
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Barometer |
An instrument that is used to measure air pressure |
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Mercury barometer |
Consists of a glass tube open at the bottom end and personally filled with Mercury |
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Aneroid barometer |
Has an airtight metal chamber |
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Altitude |
For elevation is the distance above sea level |
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Scientists divide Earth's atmosphere into four main layers |
Troposphere Stratosphere mesosphere and the thermosphere |
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Troposphere |
The layer of the atmosphere in which Earth's weather occurs if the inter or lowest layer |
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Stratosphere |
The second layer of the atmosphere and contains the ozone layer it extends from the top of the troposphere to out 50 kilometers above Earth's surface |
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Mesosphere |
The layer of the atmosphere that protects Earth surface from being hit by most meteoroids. It has a drop in temperature and is the middle |
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Thermosphere |
The outermost layer of Earth's atmosphere extends 80 kilometers above Earth's surface outward into space |
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Ionosphere |
The lower layer begins. 80 kilometers above the surface and extends to about 400 kilometers |
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Exosphere |
The outer portion of the thermosphere |
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Pollutants |
Harmful substances in the air water or soil |
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The burning of fossil fuels can cause |
Smog and acid rain |
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Photochemical smog |
Brown Haze that develops and sunny cities |
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Acid rain |
Rain that contains more acid than normal |
