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Java Games: Flashcards, matching, concentration, and word search. |
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Gr 4 Unit D - Ch 1 Weather Conditions - vocabulary
cloud types, atmosphere, weather changes, maps, air mass, greenhouse effect, instruments
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| air pressure | all particles of air pressing down on Earth's surface |
| atmosphere | a layer of air that surrounds the Earth |
| thermosphere | outmost layer of atmosphere, hottest temperatures, very dark, next to space |
| mesosphere | coldest layer of atmosphere |
| stratosphere | airplanes fly here, contains the ozone |
| troposphere | weather occurs here, air for us to breathe, closest to Earth |
| greenhouse effect | warming of the Earth by the atmosphere trapping the sun's rays |
| air mass | a large body of air which has the same etemperature and moisture amount |
| front | a place where 2 air masses meet |
| cirrus cloud | wispy, feathery cloud, made of ice crystals, highest in the sky |
| cumulonimbus cloud | dark cloud, halo, great heights, heavy rain |
| cumulus cloud | puffy, white cloud, clear days |
| stratus cloud | gray, dark cloud, layered in sky |
| fog | cloud next to Earth |
| meteorologist | scientists who study and measure weather conditions |
| thermometer | instrument that measures air temperature |
| barometer | instrument that measures air pressure |
| hygrometer | instrument that measures humidity |
| humidity | amount of water vapor in the air |
| anemometer | measures wind speed |
| weather vane | measures wind direction |
| raingauge | measures precipitation |
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Gr 4-5 Science Teacher |
St. Peter School, N. Ridgeville, OH |
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