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Friction
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===Experiments===
'''Friction and Shoes'''
: Good shoes are designed to have a high '''friction''' surface on the sole. Take off one of your shoes and look at the bottom of your show shoe with a [[Magnifying Glass|magnifying glass]].
You might try to answer the following questions:
*Who has the slipperiest shoes and how do slippery shoes look different from shoes that are not slippery?