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Sun, Earth, and Moon

5.8D-Sun, Earth, and Moon

TermDefinition
Gravity Natural force that causes objects to pull towards each other depending on their mass and the distance between them.
Weight How heavy an object is, determined by the force of gravity on mass.
Crater Depression or cavity shaped like a bowl on the surface of a rocky planet, moon, or asteroid caused by a collision with another object such as a meteorite.
Mass Amount of matter in an object.
Celsius Temperature scale setting the freezing point of water at 0° and the boiling point at 100°.
Sun Star at the center of our Solar System that supplies Earth with heat and light, its enormous gravitational pull keeps our Solar System in orbit.
Moon Natural satellite that orbits a planet, Earth has one, some planets have none, and some planets have more than 60.
Orbit The curved path an object takes as it revolves around another object in outer space.
Surface The outside part or uppermost layer of something.
Earth Planet in our Solar System that sustains life.
Rotate To turn, or spin.
Revolve To move around another object.
Axis An imaginary line around which the Earth spins.
365 days or 1 year The amount of time it takes Earth to make one full revolution around the sun.
24 hours or 1 day The amount of time it takes Earth to make one full rotation.
The tilt of Earth's axis What causes seasons here on Earth?
Created by: Science STAAR
Popular Earth Science sets

 



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