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Earth Cycles
5th grade earth cycles vocabulary
| Term | Definition |
|---|---|
| Rotation | Turning around on an axis; spinning. |
| Revolution | To move around another object along a circular path, as in an orbit. |
| Planet | A large circular mass that revolves around a star. |
| Lunar Phase | Stages having to do with the moon or moon cycles. |
| Seasons | A period of the year determined by the position of Earth as it revolves around the Sun. |
| Atmosphere | Layers of gas that surround a planet. |
| Gravity | The force that attracts a body toward the enter of the earth, or toward any other physical body having more mass. |
| Solar System | The collection of nine planets and their moons in orbit around the Sun. |
| Tides | The alternate rising and falling of the sea, usually twice in each lunar day at a particular time. |
| Patterns | An observable repetition that can be recorded or calculated. |
| Axis | An imaginary line that an object spins or revolves around. |