Electromagnetic Spectrum Poster
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The Electromagnetic Spectrum
By Oliver Smith
The electromagnetic spectrum, or EM spectrum, is all around us. The activities in this guide will help students master the different types of radiation in the EM spectrum.
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Storyboard Description
Have students research one part of the electromagnetic spectrum and create a poster!
Storyboard Text
- Infrared Radiation
- Wavelength: 700 nm - 1 mm
- Frequency: 430 THz - 300 GHz
- Hazards of intense/exessive exposure: damage to lens and cornea, part of greenhouse effect, skin damage
- visible light
- Discovered circa 1800 by William Herschel
- Infrared Radiation (Infrared Light) is used in:
- Virtually invisible, longer wavelengths
- - Night Vision Devices - Astronomy Sensors - Thermal Imaging Cameras - Remote Temperature Sensing - Weather Forecasting
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