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Weather Lessons 6-10
Weather Unit Part 2
| Vocabulary Word | Definition |
|---|---|
| sun | source of light and heat energy |
| energy | moves air/water to create weather |
| water cycle | continuous movement of water between Earth and Atmosphere |
| evaporation | liquid water changes to water vapor |
| condensation | water vapor cools back to a liquid |
| precipitation | water released from clouds |
| hydrosphere | total amount of water on planet |
| barometer | tool that measures air pressure |
| air pressure | weight of air pressing on earth |
| high pressure | cold air sinks causing fair weather |
| low pressure | hot air rises causing clouds/fronts/ storms |
| anemometer | tool that measure wind speed |
| weather vane | tool that measure wind direction |
| forecast | prediction of weather |
| wind speed | how fast air is moving |
| wind direction | directions from where wind is coming from |