science flash cards

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science flash cards

Isolation:exposure to the sun's rays,Atmosphere:the envelope of gases surrounding earth or another planet,Troposphere: lowest region of the atmosphere(6-10 km), Air Pressure: is the force exerted onto a surface by the weight of the air, Weather: the state of the atmosphere at a place and time as regards heat,dryness,sunshine,wind and rain,Barometer: an instrument measuring atmospheric pressure used especially in forecasting the weather and determining altitude, Water Vapor: gaseous phase of water, humidity: the amount of Condensation: water that collects as droplets on a cold surface when humid air is in contact with it, Relative Humidity: the amount of water vapor present in the air expressed as a percentage of the amount needed for saturation at the same temperature.