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Sun Earth Moon

Science Study sheet

TermDefinition
star an object in space that makes its own heat and light
sun the star at the center of the solar system that supplies heat and light to Earth; its enormous gravity keeps the solar system in orbit
Earth the third planet from the sun and the only planet in the solar system where life exists
planets any of the large celestial bodies that revolve around the sun in the solar system
shadow a dark area made by blocking light from reaching a part of the surface
moon a natural satellite that orbits the Earth
solar system made of the sun and all objects that are bound to the sun by gravity
orbit the path one object takes as it revolves around another object in space
tide the rise and fall of the water level of the ocean near the shore that is caused by the pull of gravity of the moon
lunar cycle the moon's repeated pattern of movement and changes in appearance due to its revolution around Earth
atmosphere the pocket of air that surrounds the Earth
rotation the spinning of a planet or moon on its axis
axis an imaginary line running from the North Pole to the South Pole through the center of the Earth
lunar moon, month, 27.3 days
rotate day; 24 hours
revolve year; 365 1/4 days
seasons revolution & tilt
tides gravitational pull of the moon
vanish disappear
midnight 12:00 AM
depict to show or describe
avoid stay away from
exist to have life
replenish to fill up again
celestial any natural object found in space such as planets, stars, moons, or asteroids
Popular Earth Science sets

 



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