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FIZZ KEEPER
National Standard: B2
“ ... Students should develop an understanding of position and motion of objects ... (both) can be changed by pushing or pulling ...” 1
Suggested Use
The Fizz Keeper allows you to create an inexpensive pressure chamber! Draw a little water into an eyedropper. Place it in a 2-liter bottle full of water. Attach the fizz keeper and pump up the pressure. The eye dropper rises or falls depending on pressure. Related: Cartesian diver; Archimedes’ principle, buoyancy, etc.
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