Step 4. Have your child repeat dipping the straw in bubble solution and then slowly blow a bubble. You want to almost touch the surface with your straw and slowly pull away while still blowing to make a nice large bubble. This time the bubble doesn’t pop!

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Read this interesting article about how thin films of water and surface tension are different in space: Safe design protects the operator and lab environment from exposure to chemical vapours and airborne particulates.

Go outside and test your bubble solutions. Blow a bubble and catch it on your wand. Immediately start the stopwatch and time how long the bubble lasts. This will take some practice, so try it out on some extra solution before you start! Pepling, R., 2003. What's That Stuff? Soap Bubbles, Chemical and Engineering News, Volume 81, Number 17, pp. 34, publication of the American Chemical Society (ACS). Retrieved June 6, 2007.

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Now, can you make a bubble in a bubble in a bubble? How many can you make?! This is fun and challenging for kids as they start and stop and try again. Do bubbles always make a spherical shape? Try twisting pipe cleaners into different shapes, like: stars, squares, and triangles. What shape will the bubbles be?

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Step 6. You can also do a test with your fingers. What happens when you touch your bubble with a dry finger? It pops! Now if you wet your finger it doesn’t pop.