Electromagnetic Spectrum Poster
Süžeeskeem Kirjeldus
Have students research one part of the electromagnetic spectrum and create a poster!
Süžeeskeem Tekst
- Libisema: 1
- 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