1. Radio Waves By: Jodi Wittmann Hayley Merson Tim Schuh Brynn Gloudemans

2. History Guglielmo Marconi James Clerk Maxwell Nikola Tesla Radio Signals

3. Characteristics Electromagnetic spectrum Frequency Wavelengths Lowest photon energy

4. Uses Two-way communication –Wireless Contact –Telephones, cell phones –Walky-talkies Not used for just sound Entertainment Information People Broadcasting

5. More uses Industry –Transportation –construction Medicine –Heartbeat –Ambulances –Paramedics

6. Uses Consumer goods –Remote controls –Radios –Wireless headphones –Televisions Science –Telescope –Antenna

7. Dangers Military Outer space

8. Conclusion Widely used Smallest frequency Longest wavelength