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Science Vocab-Unit 7
Weather and the Water Cycle
| Term | Definition |
|---|---|
| Atmosphere | Air and gases that surround Earth. |
| Precipitation | water that falls to the Earth's surface as rain, snow, sleet, or hail |
| Rain gauge | a tool for collecting and measuring the amount of precipitation that falls |
| Water accumulation | increasing water levels in ponds, lakes, streams, rivers, glaciers, snow-pack, or water run-off |
| Wind conditions | the speed and direction the air is moving |
| Wind vane | a weather instrument used to show the direction of the wind |
| Condensation | the process of changing from a gas to a liquid, by subtracting heat |
| Evaporation | the process of changing from a liquid to a gas, by adding heat. |