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Ch 5 Atmosphere
Term | Definition |
---|---|
ultraviolet rays | electromagnetic waves that may produce skin cancer |
microwaves | radio waves with a shorter wavelength |
stratosphere | the layer of the atmosphere that contains the ozone layer |
75*F | The temperature in which the air in a desert can contain the most water vapor. |
greenhouse effect | the trapping of heat by the atmosphere |
crest | the highest point of a wave |
frequency | the number of complete waves that pass a given point in a unit of time. |
barometer | an instrument used to measure atmospheric pressure |
diffusion | the random spreading of one fluid through another |
wind | the horizontal movement of air across the earth's surface |
solubility | the ability to be dissolved |
water cycle | the movement of water from the sea into the air, and back into the sea |
evaporation | changing of liquid to a gas |
condensation | changing of gas to liquid |
precipitation | discharge of water |
atmosphere | the gaseous layer surrounding a planet or other heavenly body |
wavelength | the distance from the crest of one wave to the crest of another |
troposphere | the bottom layer of the atmosphere |
Evangelista Torricelli | the inventor of the barometer |
29.92 inches | the normal average air pressure at sea level |
Charles Boyle | the man who discovered that if the temperature of a gas remains constant, its volume and pressure are inversely related. |
water | the main ingredient of life |
water vapor | gaseous water in the atmosphere |
violet | the shortest visible light wave |
red | the longest visible light wave |