Design and make a rechargeable handwarmer which, when it is needed, can be set off to provide a steady supply of heat at a comfortable temperature
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Design a pocket handwarmer - teacher
Experiment | PDF, Size 0.28 mbDesign a pocket handwarmer - student handout
Experiment | PDF, Size 0.31 mbIndex of activities and junk list final
PDF, Size 0.34 mb
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