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Physical Science 9
Chapter 26 Light
| Question | Answer |
|---|---|
| electromagnetic spectrum | The range of electromagnetic waves exending from radio waves to gamma rays. |
| electromagnetic wave | A wave that is partly electric and partly magnetic and carries energy.Emitted by vibrating electric charges. |
| infrared | (blank) |
| light-Year | (blank) |
| opaque | (blank) |
| penumbra | (blank) |
| photon | (blank) |
| polarization | (blank) |
| ray | (blank) |
| shadow | (blank) |
| transparent | (blank) |
| ultraviolet | (blank) |
| umbra | (blank) |