2.1 (a)
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Demonstration 1
Use a series of demos to show that information and energy are transferred in everyday situations:
- Use a light source and solar cell attached to a fan, discuss the energy transfer
- Use a radio to discuss where the information comes from
- Use a lamp that you can swich on and off to signal morse code, discuss what is being transferred
- Use a microwave detector and a mobile phone to show the transfer of information
- Use a microphone and speaker to discuss energy transfer (have a candle infront of the speaker) as well as the information transferred
Resources
Student Practical instructions - Intro to Waves Expts
Student practical - Intro to Waves expt answer sheet