High School Chemistry is a Blast

(YouTube link)

I'm not sure what they were trying to do here, or what was supposed to happen, but there's a good reason for wearing goggles in chemistry class. -via Daily Picks and Flicks


Back when I was teaching biology, a co-worker teaching chemistry did a demo that went bad. Several students close to the demo were hit by flying glass. I don't recall any law suits resulting. The next time he did the demo, he used a large plexi-glass "bat" shield.
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