I was happily reading through the Facebook feed of the AP Biology teacher group and saw a post from a teacher who had just done a bubble lab to teach properties of cell membranes. It looked like fun and I was about to embark on cell membranes. The lab is from Jeremy Conn of Clear Biology. You can download the lab from his site here. I just used his resource without any editing--which is handy since I'm having a hard time keeping up with everything to do. I made some bubble solution on a Thursday, and we did the lab this past Monday.
I think sometimes I forget that even though I teach Seniors, they are still kids. (Actually, we should all be kids at heart.) The students loved this lab and had so much fun playing with bubbles. And in the end I felt like they significantly improved their understanding of cell membranes and the fluid mosaic model.
As they progressed through the activities, they got more excited. My favorite was the loop of thread that opened to a circle and then could move around the bubble frame like a transmembrane protein.
As they were cleaning up, I heard conversations about how they should do this bubble lab with their fourth grade buddies. (One advantage of being in a K-12 school.) Love it!
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