1. Bubble Play
Use your hands to create a soapy film that you can blow into a bubble
Spend 15 minutes playing with bubbles.
Try these challenges:
Largest bubble
Stick your hand into a bubble
Create a bubble within a bubble
Fuse two bubbles together
Break one bubble into two

2. Bubble Play
In your lab book, write a purpose for this activity. Think about:
Why did we do this?
What can bubbles teach us about the cell membrane?

3. Bubble Play Analysis: Answer in complete sentences in your lab book
Soaps are made of molecules with a single long hydrocarbon tail and a hydrophilic head.
How is this similar to a phospholipid?
How is this different than a phospholipid?
How is the behavior of a bubble similar to the behavior of the cell membrane? List at least three ways.
What strategy did you use to get your hand inside a bubble? How is this like the cell membrane and endocytosis? Use the word fuse in your answer.
What strategy did you use to create a bubble within a bubble? How is the bubble within a bubble structure analogous to a eukaryotic cell?
All models have limitations. In what ways (3) are the bubble models NOT representative of the cell membrane?