8th Grade Chapter 17 Word Scramble
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| Question | Answer |
| electromagnetic waves | transfer electromagnetic radiation |
| in a vacuum, all electromagnetic waves | have the same speed |
| an incandescent light bulb | glows when a filament inside it gets hot |
| FM signals travel | as changes in the frequency of the wave |
| fluorescent bulbs | are coated on the inside with a powder |
| waves with some electrical properties and some magnetic properties | are electromagnetic waves |
| radio waves | electromagnetic waves with the longest wavelengths and lowest frequencies |
| neon light bulbs | commonly used in advertising signs and decoration |
| speed of an electromagnetic wave | equal to wavelength times frequency |
| gamma rays | electromagnetic waves with the highest frequencies |
| ultraviolet rays | help your body produce vitamin D |
| microwaves | kind of waves that cellular telephones use to transmit and receive signals |
| polarized light | light that has passed through a polarizing filter |
| spectroscope | an instrument used to view different colors of light produced by each type of light bulb |
| thermograms | the images made by an infrared camera |
| photon | a packet of light energy |
| infrared rays | can be sensed by humans |
| ultraviolet rays | can be used to kill bacteria |
| electromagnetic waves can transfer energy | without a medium |
| electromagnetic spectrum | the range of electromagnetic waves placed in a certain order |
Created by:
Mrs. Gordon
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