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Sun, Earth, Moon
Space
| Question | Answer |
|---|---|
| Natural force that causes objects to pull towards each other depending on their mass and the distance between them | gravity |
| How heavy an object is, determined by the force of gravity on mass | weight |
| 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 | Sun |
| The outside part or uppermost layer of something | surface |
| 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 | crater |
| Planet in our Solar System that sustains life | Earth |
| The curved path an object takes as it revolves around another object in outer space | orbit |
| Natural satellite that orbits a planet, Earth has one, some planets have none, and some planets have more than 60 | moon |
| Amount of matter in an object | mass |