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Mr. E. Science D1
Unit D Chapter 1: Weather Conditions
Vocabulary | Definition |
---|---|
atmosphere | layer of air that surrounds our planet |
air pressure | particles of air pressing down on the surface |
troposphere | layer closest to Earth, where most the weather takes place |
stratosphere | layer of atmosphere where the ozone is |
greenhouse effect | trapping heat by the atmosphere |
air mass | a large body of air that has temperature and moisture similar to that of the area over which it forms |
front | the area where two air masses meet |
cirrus cloud | long, wispy horsetail clouds at high altitudes made up of ice crystals |
cumulus cloud | puffy cotton ball clouds that form when water droplets condense at middle altitudes |
cumulonimbus cloud | towering and dark clouds with a nimbus, or halo, of gray white |
stratus cloud | low altitude, horizontal, gray cloud |
barometer | measures air pressure |
humidity | the amount of water vapor in the air |
hygrometer | measures humidity |