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Find Out WhyA Partnership of the National Science Foundation and TIME For Kids
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Girl with big bubbles over her head   How can you make a BIGGER, stronger bubble?

Most bubble liquids are made from soap and water. Add one or two more ingredients, and you can stir up a recipe for super-big, long-lasting bubbles!

     
Girl blowing bubbles onto paper  

Boggle your mind with BuBBle science!

Got bubbles? No trouble. Try these bubble activities.

 

Show this to a grown up!
Why are bubbles round? Bubbles always form in the shape with the smallest surface area. That shape is—round! But it IS possible to make a square bubble.

Here’s how: Use pipe cleaners to make three-dimensional bubble wands. Try making a cube. Start by making two squares and then attach them together at the corners. Make a handle by attaching a long piece of pipe cleaner to the cube. Then dunk the cube into a deep container of bubble liquid and pull it out carefully. You should see a cube-shaped bubble in the middle of your cube-shaped wand.

How is this possible? While a sphere is the minimum surface area for a free bubble, a cube is the minimum surface for a bubble formed inside a cube. For more bubble fun, try building and dunking a pyramid-shaped bubble wand.

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