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Weather5th
Weather flashcards
Question | Answer |
---|---|
atmosphere | The lowest layer of air that surrounds the Earth. |
air pressure | The weight of air |
humidity | The measure of the amount of water in the air |
precipitation | Any form of water that falls from clouds (rain, hail, snow) |
evaporation | The process by which liquid changes from liquid to gas |
condensation | The process by which gas goes back to liquid |
thermometer | An instrument that measures air temperature |
barometer | An instrument that measures air pressure |
rain gauge | An instrument that measures that amount of precipitation |
water cycle | The process by which the Earth's water moves through the environment |
ground water | The precipitation that sinks into the ground |
runoff | The precipitation that runs off the Earth's surface into rivers, lakes, and oceans |
cumulonimbus clouds | tall and bring thundershowers,sometimes hail |
front | an area where 2 air masses meet |
high pressure | where the atmospheric pressure at the surface of the planet is greater than its surrounding environment. |
low pressure | where the atmospheric pressure at the surface of the planet is less than its surrounding environment. |
wind | natural movement of the air |
weathervane | A revolving pointer to show the direction of the wind, typically mounted on top of a building. |
weather | the state of the atmosphere at a certain time and place |