Set up a board with lines on it to measure the height of the foam.
Place a camera across from the board.
Mix the Hydrogen Peroxide with the soap.
Pour the solution into the bottle.
Add the Yeast to warm water and let it sit for 5 minutes.
Pour the Yeast mixture into the bottle.
Start the stopwatch and keep it running until the foam has completely stopped coming out of the bottle.
Study the video and observe the maximum height of the foam.
Place a camera across from the board.
Mix the Hydrogen Peroxide with the soap.
Pour the solution into the bottle.
Add the Yeast to warm water and let it sit for 5 minutes.
Pour the Yeast mixture into the bottle.
Start the stopwatch and keep it running until the foam has completely stopped coming out of the bottle.
Study the video and observe the maximum height of the foam.