Exploring Creation with Physical Science: Module 2
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Created by:
snydercrew on September 5, 2011
Subjects:
Classes:
Exploring Creation with Physical Science, Physical Science/Kingwood, Carson -Science
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21 terms
Terms | Definitions |
|---|---|
 humidity | the moisture content of air |
| heat index | a combination of temperature and humidity in weather reports |
| absolute humidity | the mass of water vapor contained in a certain volume of air |
| relative humidity | the ratio of the mass of water vapor in the air at a given temperature to the maximum mass of water vapor the air could hold at that temperature, expressed as a percentage |
| saturated | when the air has the maximum amount of water vapor in it |
| percent | per hundred |
| combustion | burning |
| greenhouse effect | the process by which certain gases trap heat that radiates from the earth |
| global warming | when the concentration of carbon dioxide in the air is much greater, the greenhouse effect warms up the earth too much |
| parts per million | the number of molecules (or atoms) of a substance in a mixture for every 1 million molecules (or atoms) in that mixture |
| ozone | a gas that plays a critical role in supporting life |
| ultraviolet light | a harmful light that comes from the sun with enough energy to damage or kill living tissue |
| sulfur oxides | two toxic gases, sulfur dioxide and sulfur trioxide that are formed when sulfur burns |
| scrubbers | devices that clean sulfur oxides out of the mixture of gases that result from burning coal |
| nitrogen oxides | a toxic gas formed when nitrogen burns |
| ground-level ozone | when ozone is on the ground, making it a pollutant |
| airborne lead | lead mixed with the air making it toxic when in high enough concentrations |
| carbon monoxide | a toxic byproduct of incomplete combustion |
| incomplete combustion | whenever fire produces carbon monoxide instead of carbon dioxide |
| catalytic converter | converts most of the carbon monoxide produced by automobiles into carbon dioxide |
| cost/benefit | the kind of reasoning when considering the cost over the benefit |
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