Our school district (and the Boys & Girls Club) hosted a physics fair for the kids at a local school yesterday morning. I figured I'd take them over and see what was going on. It was pretty fun-- the kids loved it. Alka seltzer and Sprite poppers; balloon races (blowing up balloons, taping them to a straw, on a string, and letting them go with their own air power); pressure bottle rockets-- as you seen in the photos. That was hit of the day for the boys. They got to choose how much water to put in the bottles, and the man pumped 50 lbs of pressure (psi something or other) in to each one, and based on the amount of water in the bottle we had to figure out if it would shoot high or not.
The photos loaded backwards! Sorry.
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