Day 99: Magnets & Concentration 

Physics: Magnets

Students used yesterday’s observations to start sketching magnetic field lines. I also had them try to magnetize different materials; a lot were surprised to find that copper wire didn’t respond to their magnets. I ended by dropping a strong magnet through a copper pipe to give them something to puzzle over during the long weekend.

Chemiatry: Concentration

Students worked some concentration problems. I tried to take the opportunity to focus on more familiar contexts for problems, basing problems on what you could get at a drug store or grocery store, and the concrete settings seemed to help a lot of students.

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