Yes, I realize I missed a week. As we draw closer to the beginning of the school year, and BOTH girls are gearing up for school – sheesh, did I just write that?!? – things are getting a little busier around the Gilbert household.
Anyway, here’s the latest podcast, where Katherine and I demonstrate buoyancy.
The video mentions an inflatable backpack that Elyse Saugstad credits as saving her life. That story can be found here, and the backpacks (at least, one company that makes these backpacks) can be found here.
This is experiment #8 from "Chemistry for Every Kid" by Janice VanCleave, Copyright 1989 by John Wiley & Sons, Inc.