I n class we recently did a lab. This lab we did was a guess the shape inside a little circular can. There was a ball inside and we had to feel around with the ball to try and guess the shape. It was fairly hard but I was able to figure out a couple. Most people didn't get many and overall is was an easy lab to do but guessing was a little difficult.
http://faqb2b.blog.com/ball-bearing-faq/
Indeed, I found I only correctly guessed 3 of the 12 shapes there were. Thankfully, our grades weren't dependent on our accuracy, but it was still a fun and interesting lab.
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