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.
This site has links to videos, Ted Talks, University sites with great links to lessons/ conversation starters, etc around all the sciences. a great one-stop shopping facility for great supplements to classroom content.
Adam Savage of Mythbusters gives a short talk on simple ideas leading to complex findings. Good. "Just thought a little bit harder" and "were a bit more curious."
Stanford Mini Med School is a series arranged and directed by Stanford's School of Medicine, and presented by the Stanford Continuing Studies program. Featuring … more