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Geometric bubble films

Instructions

1. Pour the bubble mix down the sides of the bucket to avoid making small bubbles.

2. Connect pipecleaners together to form a cube ... i.e. 6 sides.

3. Dip the cube into the bubble mix and carefully withdraw it... is there a cube shaped bubble inside?

4. Try making tetrahedron (4 sides), a octahedron (8 sides), and a dodecahedron (12 sides)!

4. Does the bubble shape match the shape of each frame... why?

You will need:

- Pipecleaners

- Strong Bubble mix

- Deep bucket

- Somewhere you can get wet!

Bubble films are stretchy... scientists call this 'stretch' surface tension. As bubbles are stretchy, they always try to shrink into a sphere shape, minimising surface area.

Dipping the frame into the bubble mix traps air inside the frame. The bubble inside the frame tries to form a sphere but the bubble films connecting to the frames pull on the bubble on the inside. This creates a bubble with the same shape as the frame.
Bubble film geometry
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