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5th grade science

TermDefinition
Atmosphere the air that surrounds the Earth; it is made of a mixture of gases
Axis imaginary line about which an object rotates
Composition the combination of substances that make up a whole object
Orbit the path that one object in space follows as it revolves around another object in space
Revolution one orbit of an object, such as a planet or satellite, in space around another object in space
Rotation the spinning of a planet, Moon, or other object on its axis
Earth 3rd planet from the sun
Moon the Earth's only natural satellite
Solar system gravitational bound system consisting of the sun and 8 planets
Earth only planet with known life, millions of plants and animal species
Moon made of rock, no life or liquid water
seasons caused by tilt of the Earth
Lunar cycle another name for the moon cycle
equator an imaginary line dividing the Northern and Southern hemisphere
appearance the way something looks
full moon this is when the moon appears to be fully illuminated
shadow this is cast by an object that blocks the sun's light
relationship a connection, association, or involvement
Created by: erin.mcpherson2