"... Help renowned scientists, Cookie Monster and Emma, investigate what sinks in water and what floats in water!

Experiment with a rubber band ball, a lime and lemon, Ernie's rubber duckie, and a coconut. Start the experiment here! ..."

From http://www.boingboing.net/2011/01/13/cookie-monster-teach.html ...

posted by ant 2 years 4 months 1 week ago • 1,542 views • 1:20