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4th science ch 6
Term | Definition |
---|---|
precipitation | water that falls from clouds as rain, snow, sleet, or hail |
thermometer | tool used to measure temperature |
barometer | tool used to measure air pressure |
groundwater | any water that is underground |
anemometer | tool used to measure wind speed |
water cycle | the movement of water from Earth's surface to the atmosphere and back |
orbit | path an object follows as it revolves around another object |
wind vane | tool used to show the direction of wind |
ellipse | a shape that is like a circle stretched out in opposite directions |
rotation | spinning of a planet, moom, or star around its axis |
phase | the shape of the moon formed by the lighted part of the half that faces Earth |
revolution | movement of one object around another |
rain gauge | usually measures rain in millimeters or inches |