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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