Coin and Feather Demo
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Great for demonstrating that heavy and light objects fall at the same rate in a vacuum. Made of a transparent tube 1-1/2" (38mm) outer diameter and 40" (1000mm) length, with rubber end caps, one of which has a nozzle and stopcock with 14" (355mm) rubber tubing for connecting to a vacuum pump (not included, catalog item#6080-00). Provided with a simulated coin and a feather. Comes with a Teacher's Guide and reproducible Student Handout.
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