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Radio Waves

Published on Nov 20, 2015

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1.

RADIO WAVES

Of the Electromagnetic Spectrum
Photo by Francis Bourgouin
2.

WHAT ARE RADIO WAVES?

Photo by NASA Goddard Photo and Video
3.

WHAT ARE RADIO WAVES?

  • Radio waves are a type of electromagnetic radiation.
  • They are made by various types of tramsmitters.
  • Mainly used for communication.
Photo by Vox Efx
4.

HISTORY

Of Radio waves
Photo by Ludovico Cera
5.

HISTORY

  • Heinrich Hertz discovered radio waves in the late 1880s.
  • The first sound signal crossed the Atlantic in 1907.
  • Samual Morse made the Morse Code in 1898 using radio waves.
Photo by ecstaticist
6.

RADIO WAVES IN THE EMS

Electromagnetic Spectrum
Photo by woodleywonderworks
7.

THE ELECTROMAGNETIC SPECTRUM

  • Radiowaves could be longer than our planet.
  • They have the longest wavelength.
  • They have the lowest frenquency.
Photo by kevin dooley
8.

USES

Of Radio Waves
Photo by jk+too
9.

USES OF RADIO WAVES

  • Radio, AM, FM
  • Tv brodcasting
  • Radar
Photo by Official U.S. Navy Imagery
10.

RISKS

Of Radio Waves
Photo by Nina Matthews Photography
11.

RISK

  • Overexposure to Cell phones could cause Glioma.
  • Radio Waves could cause Acoustic Neurema.
  • Cell phones could cause brain tumors or cancer.
Photo by dierk schaefer
12.

WIRELESS CONNECTIONS

And radio waves
Photo by Shield Connectors
13.

Radio waves go from our cell phones to satellites and are directed to a certain location. They also transmit the sound of your voice to other locations.

Photo by monkeyc.net
14.

THE END

Photo by ethan.crowley
15.

SOURCES

Jaylen Mahoney