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Electromagnetic Spectrum Poster
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Have students research one part of the electromagnetic spectrum and create a poster!
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Discovered circa 1800 by William Herschel
Infrared Radiation
Virtually invisible, longer wavelengths
visible light
Wavelength: 700 nm - 1 mm
Infrared Radiation (Infrared Light) is used in:
- Night Vision Devices- Astronomy Sensors- Thermal Imaging Cameras- Remote Temperature Sensing- Weather Forecasting
Frequency: 430 THz - 300 GHz
Hazards of intense/exessive exposure: damage to lens and cornea, part of greenhouse effect, skin damage
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