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science: chapter 6
science: water cycle, weather,moon phases
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 temperature |
anemometer | tool used to measure wind speed |
precipitation | any form of water that falls to the earth |
condensation | the process of water vapor becoming liquid water again |
groundwater | any water that is underground |
water cycle | the movement of water from earth's surface to the atmosphere and back again |
ellipse | a shape that is like a circle stretched out in opposite directions |
revolution | movement of one object around another |
tides | occurs because of the gravitational pull of the moon and the sun on earth's oceans |
phase | the shape of the moon formed by the lighted part of the half that faces the earth |
new moon | occurs when the unlighted half of the moon faces the earth |
orbit | path an object follow(s)as it revolves around another object |
rotation | spinning of a planet,moon, or star around its axis |
high pressure | cool,dry,clear and nice weather |
low pressure | warm,moist air,storms, and overcast |