Friday, January 6, 2017

The Sweet Spot

Today our class tested our Elastic Band Rollers by trying to find the "sweet spot" on a race track in the classroom!  We had to figure out just the right amount of winds to store just the right amount of energy to make the roller move forward but stop in the sweet spot!  Some of the rollers were better behaved than others, and like all true scientists, we had to have patience (and a little bit of humor, too!)  Some rollers went quite well, while others went in circles, did some "breakdancing", or just sat there... (wah, wah.....) :)






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