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What is it? What is it? Radio Waves Radio Waves Microwaves The Ianfrared Visible Light Waves Ultraviolet Waves X-rays Gamma-rays Work Cited
Electromagnetic waves - formed when an electric field couples with a magnetic field Differ from each other in wavelength Wavelength - distance between one wave crest to the next
Longest wavelengths Longer than a football field or as short as a football Radio (AM/FM), TV, cell phones
Measured in centimeters Heat food Transmitting information from one place to another Penetrate haze, light rain and snow, clouds, and smoke
Netting, Ruth. "The Electromagnetic Spectrum." IMAGERS. National Aeronautics and Space Administration, 27 Mar. 2007. Web. 22 Oct. 2009..http://science.hq.nasa.gov/kids/imagers/e ms/ems.html
Electromagnetic Spectrum CH 27-Physics (B) Fall, 2010.
The Electromagnetic Spectrum. Electromagnetic Waves Consist of an oscillating (moving back and forth) electric field and an oscillating magnetic field.
The Electromagnetic Spectrum. What is a wave? A wave is made when particles move up and down.
Question 1 1) wavelength 2) frequency 3) period 4) amplitude 5) energy
Waves and the Electromagnetic Spectrum
Electromagnetic spectrum. Visible light λ ≈ 700 nmλ ≈ 420 nm.
Chapter 9.1 Notes Electromagnetic Waves Part 1. A changing electric field can produce a changing Magnetic Field.Magnetic Field. A changing magnetic field.
Bellwork What is a transformer? What is a transformer? A device for increasing or decreasing voltage through electromagnetic induction A device for increasing.
Wireless Transmission 25 Wireless Transmission 25.
The Electromagnetic Spectrum Oooh…aaah. What is it? A spectrum is a RANGE of things The Electromagnetic Spectrum (EM Spectrum) is a RANGE of electromagnetic.
And Its. What is Electromagnetic Spectrum? The electromagnetic spectrum is a collection of electromagnetic waves arranged according to frequency and wavelength.
Waves, Sound, and EM Waves. Sound Example of compressional wave Can travel through any type of matter Speed of sound depends on the substance the medium.
The Electromagnetic Spectrum. The name given to a group of energy waves that are mostly invisible and can travel through empty space Shorter waves have.
The Electromagnetic Spectrum1 Wavelength/frequency/energy.
What are electromagnetic waves?
Ch. 17 ELECTROMAGNETIC SPECTRUM Electromagnetic waves Are made of changing electric and magnetic fields EM waves DO NOT need a medium to travel
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