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Science Ch 10 (4th)
Science Ch 10 Lesson 1 & 2 Vocab (4th)
| Term | Definition |
|---|---|
| Axis | The imaginary line that Earth spins around as it rotates |
| Orbit | The path of one object in space around another object |
| Telescope | A device people use to observe distant objects with their eyes |
| Moon | Any natural body that revolves around a planet |
| Phases | The different shapes that Earth's moon seems to have |
| Solar system | A group of objects in space that revolve around a central star |
| Planet | A large object that moves around a star |
| Comet | A ball of rock, ice, and frozen gases in space |
| Star | A huge ball of superheated gases |
| Sun | The star at the center of our solar system |
| Constellation | A pattern of stars that form an imaginary picture or design in the sky |
| Galaxy | A huge system of many stars, gases, and dust |
| Universe | Everything that exists in space |