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Sci. Vocab. Chap. 6
| Term | Definition |
|---|---|
| Barometer | tool used to measure air pressure |
| wind vane | tool used to show the direction of the wind |
| thermometer | tool used to measure temp. |
| anemometer | tool used to measure wind speed |
| precipitation | any form of water that falls from the sky |
| condensation | the process of water vapor becoming water in the sky |
| groundwater | water that is undergound |
| water cycle | the movement of water from earths surface to the atmosphere and back again |
| ellipse | a shape like a circle butt stretched in opposite directions |
| revolution | movement of one object around another |
| rotation | spinning of a planet , moon and sun around its axis |
| tides | occurs because of the gravitational pull of the moon and sun on earths oceans |
| phases | the shape of the moon formed by the light part of the half that face the Earth |
| new moon | occurs when the unlighted half is facing earth |
| orbit | path an object follow as it revolves around another object |
| high pressure | cool, dry, clear and nice weather |
| low pressure | warm, moist air, storms, and overcast |