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Earth
Earth's Patterns and Movements
| Term | Definition |
|---|---|
| gravity | the force of attraction between any two objects due to their mass |
| meteor | a chunk of rock from space that travels through Earth's atmosphere |
| meteorite | a meteor that strikes earth's surface |
| moon phases | the apparent shapes of the moon in the sky |
| tides | the regular rise and fall of the water level along a shoreline |
| orbit | the path an object takes as it travels aorund another object |
| revolution | one complete trip around an object in a circular or nearly circular path |
| rotation | a complete spin on an axis |