rotation - The spinning motion of a planet on its axis, Revolution - the movement of one object around another, Day - the time it takes a planet to complete one full rotation on its axis, Year - the time required for the Earth to orbit once around the sun, Season - Short term changes in climate based on the earth’s tilt as it revolves around the sun., Solstice - The two days of the year on which the sun reaches its greatest distance north or south of the equator/ longest day of daylight/ shortest day of daylight, Equinox - The two days of the year on which neither hemisphere is tilted toward or away from the sun and the sun directly hits the equator with equal hours of daylight & darkness, Satellite - An object that revolves around another object in space, can be natural objects or manmade objects, Gravity - A force of attraction between objects that is due to their masses., Lunar Phases - The different appearances of the Moon as it orbits Earth, Eclipse - The partial or total blocking of one object in space by another, Tides - the regular rise and fall of the ocean's surface influenced by the moon's gravity pulling on earth, Solar Eclipse - Occurs when the Moon passes directly between the Sun and Earth and casts a shadow over part of Earth, Lunar Eclipse - the blocking of sunlight to the moon that occurs when Earth is directly between the sun and the moon, Axis - The imaginary line that passes through Earth’s poles., Orbit - The PATH of one object in space around another object., Moon - An object that orbits a planet as a NATURAL satellite.,

Space- lesson 1

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