Lesson Plan 15: The electromagnetic spectrum
The electromagnetic spectrum (Page 79 of the Teacher's Pack)
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Suitable for: 14-16 years
Curriculum and learning links:
- Waves, electromagnetic spectrum
- State that all electromagnetic radiation travels through a vacuum at the speed of light, which is 3 x 108m/s
- Explain the differences between types of electromagnetic radiation and describe uses for them
Clip 41: Speed of light - Dr Yan explains what would happen to the headlights on a car if it could approach the speed of light.
Clip 42: Microwave power - Jem investigates new sources of energy and demonstrates how radio waves can power an LED. He also converts a microwave into a giant energy transmitter to power a remote-controlled helicopter.
Clip 43: Infrared - Jem looks into the possibility of using infrared antennas to generate electricity in the future.
Clip 44: Melting glass - Dr Yan melts glass in a microwave.