Half day today, filling in for a science teacher at OHS. I can't remember if I wrote about her classes before, but I did sub for one day about a month ago. It was block day, and I got her 3rd period freshman science followed by her 5th period, which was the same curriculum but sheltered for English language learners. Long story short, it was a "simple machines" lab where students experimented with pulleys, see-saws, etc and recorded results. 3rd period was terrible. Uninterested, uncreative, unresponsive. 5th period was amazing - students from 5 different countries working together to build an elaborate pulley system to raise a jug of water that 3rd period couldn't budge.
Anyways, today they were working on their final project, which was to use simple machines to build a wacky Rube Goldberg type device. It seemed really fun and reminded me of this:
http://www.youtube.com/watch?v=qybUFnY7Y8w
Which I let some students watch online for inspiration.
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