2. Tilt the cup and slowly pour the soda down the inside of the cup to make as few bubbles as possible. 3. Place a straw in the soda and look at the straw from the side. 4. Take the straw out of the ...
A soap bubble is simply a very thin sheet of soapy water, called a soap film, surrounding a volume of air. A force called surface tension pulls the soap film tight, so that it always has the ...