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Ch 11 Atmosphere PART #1
Glencoe Earth Science: Geology, the Environment, and the Universe
Terms in this set (11)
The blanket of gases surrounding the earth. It contains 78% nitrogen, 21% oxygen.
The energy transfer that occurs because of a difference in temperature between two substances. The energy flows from the object with a higher temperature to an object with a lower temperature.
The energy transfer through space by visible light, UV radiation, and other forms of eletromagnetic waves.
The energy transfer that occurs when molecules collide with each other. It can only occur when substances are IN CLOSE CONTACT with each other.
The energy transfer by the flow of a heated substance (occurs with liquids and gases). It is caused by uneven heating - one part of the liquid or gas is hotter and is less dense and rises.
The measurement of how quickly or slowly molecules move around. Usually measured in degrees Celsius or Kelvin.
The temperature to which air must be cooled to reach saturation and at which condensation begins. (AKA Condensation Point)
The point at which air is holding as much water vapor as it possibly can. AKA 100% relative humidity.
Phase change when a cooling gas changes into a liquid.
The ACTUAL/absolute measured amount of water vapor present in the air.
The ratio of the ACTUAL amount of water vapor that air contains compared to the maximum amount it CAN hold at a specific temperature. Expressed as a percent.
Relative Humidity = Actual Humidity /Capacity x 100%