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Electromagnetic Radiation (Radiowaves (Uses: Remote controls Radio …
Electromagnetic Radiation
Radiowaves
Uses
:
Remote controls
Radio
Television
Shortwave radios
Navigation
Air Traffic control
Dangers
:
Possibly cause cancer
Sources
:
Radio transmitter
Other information
:
Visible light
Sources
:
The Sun
Lamps
Fire
Dangers
:
Could blind us if its too bright
Uses
:
We use visible light to see
Other information
:
It is a part of the electromagnetic spectrum which we can see
Microwaves
Sources
:
Produced by a device called a magnetron
Uses
:
Heat up food in microwave ovens
Radar
Communiton
Navigation
Dangers
:
Causes burning and overheating in materials with water molecules
Other information
:
300 MHz to 300 GHz
Infrared waves
Sources
:
Emitted by stars and almost all sources of visible light
Uses
:
Night vision
Heating objects
Dangers
:
Can cause burning
Other information:
We cannot see them
Ultraviolet waves
Uses
:
Sterilizing Equipment
Antibiotic effect
Detect forged bank notes
Dangers
:
Burns skin
Causes cell mutation (cancer cells)
Sources
:
Stars (Our Sun)
UV Lamps
Other information
:
White materials glow under UV light
We cannot see UV light
UV light is just outside of the visible spectrum
X-Rays
Dangers
:
Causes cancer if exposed too long
Sources
:
Black holes
Super nova
Uses
:
Used to see bones and spot cancer etc for medical purposes
Other information
Gamma rays
Sources
:
Produced by the hottest and most energetic objects in the universe, such as neutron stars
Dangers
:
Causes cancer
Unborn babies are very vulnerable
Uses
:
Sterilize equipment, similar to X-Rays
Kill living cells and cancer cells
Kill harmful bacteria in machines as tools
Other information:
Very high in energy