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Ping Pong Ball Shooter
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  In this activity, learners use ABS pipe and an air leaf blower to make a strong shooting machine.
  
Falling Feather
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  In this physics activity, learners recreate Galileo's famous experiment, in which he dropped a heavy weight and a light weight from the top of the Leaning Tower of Pisa to show that both weights fall 
  
In the Toilet
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  This activity explores the basic workings of a siphon, which is the core technology that makes toilets work.