Bubble shapes is a fun science experiment which shows how we can create bubbles of different shapes be it, square or pyramid by using dish-washing soap and water. But the question is, do square or pyramid bubbles exist..?? The answer is yes, if you know the science secret to it, Bubble geometry can prove to be an easy and effective way of learning about soap film properties and surface tension
Kids can make bubbles of different shapes with simple materials like Dish washing soap, water, pipe cleaners, straws, a large container, pipette etc.
Safety First! Adult Supervision Required. Don’t Eat/Drink your Experiments, Wear safety goggles where ever required
Materials and tools required.
Video on Youtube for the Experiment
What to Do!
- Take a pipe-cleaner and insert it inside a straw. Make 7 such sets.
- Take two sets and tie them end-to-end.
- Take a third set and join them to form a triangle.
- Also join other sets to make a pyramid and a holder above it.
- Similarly, you can also make cube bubble frame
- Now, dip the pyramid bubble frame in the soap solution container.
- Dip a pipette in the soap solution and blow a bubble at the centre of the bubble frame, using a pipette.
- You have made a pyramid shaped bubble.
- Follow the same procedure with the cubical frame, to get a square bubble at the centre.
You are ready to amaze your friends with geometrical bubbles.
Images for Instructions
Working Principle of Bubble Geometry:
Bubbles are like a very thin envelope of soap water surrounding a volume of air, Generally bubbles always takes spherical shape because sphere being the most stable shape, and also due to surface tension (which is an attracting force, that pulls the water molecules together, for ex: dew drops are always spherical in shape due to surface tension). Here, addition of soap to water reduces its surface tension and helps it to be more stretchy.
In this experiment when we dip the bubble frame into the soap solution, the solution is stretched to all the sides of the frame and soap solution sticks to the frame strands, and when we blow a bubble at the point where soap layers meet, we get a bubble of the same shape as that of the frame. You will also notice that the soap layers join in straight lines.
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