Projects: UDL : UDL Friction learning goals
This page last changed on Aug 30, 2007 by ehazzard.
Friction is a sticky force that slows things down or keeps them from sliding.
Different materials have more or less friction. The student should be able to list examples from experiments in the activity:
Ways to measure friction:
If there were no friction, things would keep going forever. They can't slow down and they can't change direction.
Friction happens because atoms on the two surfaces stick to each other. It takes energy to break them apart and make the object slide.
Friction changes the energy of motion into heat energy, and the surfaces get hotter.
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