weather 4th grade
| created: | 6 months ago by mmmoody | tags: | science |
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the process of changing liquid water to water vapor |
evaporation |
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the process of water vapor becoming liquid water when it cools |
condensation |
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any form of water which falls to earth |
precipitation |
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most of the earths atmosphere is made of what invisible gas? |
nitrogen |
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the pushing force of air |
air pressure |
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air pressure increases or decreases an you go higher in the atmoshere? |
decreases |
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when cool air sinks it causes high pressure or low pressure to form |
high pressure |
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the amount of water vapor in the air |
humidity |
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the area were 2 air masses meet |
front |
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cold mass bumps into a |
cold front |
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a huge body of air that has the same temperature and humidity |
air mass |
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thick white puffy clouds |
cumulus |
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flat clouds that form close to the earth |
stratus |
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feathery clouds that form high in the sky mares tails |
cirrus |
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very high clouds |
alto |
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rain bearing clouds |
nimbus |
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scientist who study weather |
meteorologist |
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toll to measure air pressure |
barometer |
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tool to measure wind speed |
anemometer |
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show the direction which the wind is blowing |
wind vane |
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measures the amount of rain |
rain gauge |





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