Wednesday, February 12, 2014

Wednesday in class

Turned in homework
Watched video clips of megnetic induction

Resistance and car battery demonstration
pass-around: AC in light bulb and your magnet

Magnetic field activities:
direction of North  (geographic N is magnetic S) with compass and disc magnets
Iron filings in tubes
Magnetic fluid

Magnetic induction lab activities:
Induction in a coin
Electromagnet construction
Current carrying wire and your magnet
Solenoid - magnet (and car battery if needed) interaction
Change a compass with your solenoid

Answers to HMWK if time allows

See yesterday's post for Friday homework.
Tomorrow:  Video on electric power.

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