The Electromagnetic Spectrum
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| electromagnetic waves | transfer electromagnetic radiation
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| in a vacuum, all electromagnetic waves | have the same speed
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| an incandescent light bulb | glows when a filament inside it gets hot
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| FM signals travel | as changes in the frequency of the wave
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| fluorescent bulbs | are coated on the inside with a powder
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| waves with some electrical properties and some magnetic properties | are electromagnetic waves
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| radio waves | electromagnetic waves with the longest wavelengths and lowest frequencies
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| neon light bulbs | commonly used in advertising signs and decoration
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| speed of an electromagnetic wave | equal to wavelength times frequency
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| gamma rays | electromagnetic waves with the highest frequencies
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| ultraviolet rays | help your body produce vitamin D
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| microwaves | kind of waves that cellular telephones use to transmit and receive signals
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| polarized light | light that has passed through a polarizing filter
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| spectroscope | an instrument used to view different colors of light produced by each type of light bulb
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| thermograms | the images made by an infrared camera
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| photon | a packet of light energy
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| infrared rays | can be sensed by humans
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| ultraviolet rays | can be used to kill bacteria
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| electromagnetic waves can transfer energy | without a medium
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| electromagnetic spectrum | the range of electromagnetic waves placed in a certain order
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Mrs. Gordon
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