Channel 4 Learning



SCIENCE
Science in Focus: Physical Processes 3
 
The Electromagnetic Spectrum
Aims
Programme Outline
Background
Further Research
Links
Sound
Energy
TV Transmissions
Curriculum Relevance
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The Electromagnetic Spectrum

Aims

To provide information on:

  • the electromagnetic spectrum
  • frequency and wavelength
  • light years
  • using radio waves to search for extra terrestrial intelligence
  • using infra red and microwaves to transmit TV signals
  • satellites carrying TV pictures
  • using X-rays in medicine
  • using X-rays to catch smugglers
  • using infra red radiation to find criminals