Water, It covers almost 75% of the surface of the Earth., Ocean, Large body of salt water., Lake, Large area of freshwater., River, Flowing water that moves towards lake/ocean., Pond, Small area of freshwater., Waterfall, Flowing water that falls from a high place., Lithosphere, The land part of earth., Hydrosphere, The water part of earth., Atmosphere, The blanket of air that surrounds you., Weather, condition of the atmosphere., Air temperature, the hotness and coldness of air., False, When it is sunny, then it is warm. When it is cloudy, then it is hot., True, If there are plenty of clouds at night - warm; few clouds - cooler., sun, at the center of the solar system, 4.5 billion years old, and takes 8 minutes for light to reach the earth from it., rainbow, multicolored arc, formed after it rains, doesn't have physical appearance., orbit, As Earth rotates, it revolves around the sun along a path called an ____., 1 year or 365 1/4 days, It takes how many year or days to complete one revolution?, blue stars, the brightest and hottest stars., yellow stars, hotter than red stars., red stars, oldest and coldest stars., satellite, small body moving around a larger body., moon, it's Earth’s natural satellite, complete its revolution in about 27 1/3 days, doesn't change shape, and has 8 phases., Landforms, A naturally-formed features that can be found on Earth’s surface., Mountains, High elevated landforms covered with thick forest or rocks., Hills, Lower than mountains., Plains, Wide stretch of flatland., Valleys, Flatlands that are narrower than plains.

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