This is a great video for demoing ideas about pressure and gas laws, an in particular the how boiling point increases with pressure.
Popcorn pops because the water inside flashes to steam and expands. If you put the system under sufficient pressure it won't do this … until the pressure is released, and all of the popcorn pops at the same time.
GA is part of a 20 state initiative being sponsored by the National Academy of Sciences and Achieve. This initiative will rewrite science standards for the 21st Century. Check out my blog post on the initiative.
could be good to use in bio class when we do bacteria. direct clinical application of bacteria. especially useful for adding to the "human" form we use to help reinforce clinical applications of the material we learn.