Lecture Demos: 3A20.80

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Reverb Cups

Reverb Cups

Large plastic cups attached by a metal coil allow waves to be heard.

PIRA Code(s): 
3A20.80
Set up time: 
1 minute
Physics and Science Concepts: 
Oscillations and Waves
Operation: 
Shake the cup to send large waves down the spring and create sounds similar to whale songs or star trek laser blasts. Speak into the cup and the spring will create an echoing effect.
Safety: 
Do not hyperextend slinky.

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