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설명
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After building and testing a generator prototype (made with a pill bottle, copper wire, neodymium magnets, a spinning paper clip, and an LED), students "redesign" one piece of their prototype to try to make it more effective in generating electricity. After rebuilding and retesting, they do a "lab" with the PhET generator simulation to understand why their redesign worked. Their redesign variables usually line up with the variables in the simulation (speed of magnet motion, amount of copper wire, and strength of magnets). Students complete this assignment in pairs, but do the final summary individually. |
