Here are some videos from the “Surface tension Bernoulli, and soap bubbles II – bubble size” demonstration. The full videos are linked from the GIF headings
Blowing slowly for a large bubble.
Blowing faster for smaller bubbles.
An index of all the demonstrations posted on this blog can be found here. Don’t forget to follow @nbkaye on twitter for updates to this blog. If you have a demonstration that you use in class that you would like to share on this blog please email me (nbkaye@clemson.edu). I also welcome comments (through the comments section or via email) on improving the demonstrations.