Popsicle Bridge – Engineering for Kids

Popsicle Bridge is a fun experiment to build a bridge using popsicles and make it stand without any binding agent.

Let’s build this popsicle bridge and learn why the structure stands without a binding agent!

Safety First! Adult Supervision Required. Don’t Eat/Drink your Experiments, Wear safety goggles where ever required

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Materials and tools required.

In the box

• Popsicles
• Paint
• Paint brush

Video on Youtube for the Experiment

What to Do!

1. Place the Popsicle parallel to each other and the third one over them forming an ‘I’ shape.
2. Place the 4^th popsicle’s one end on the third popsicle.
3. Place the 5^th popsicle under the first two and over the 4^th
4. Place the 6^th and 7^th one over the 1^st and 2^nd
5. Place the 8^th Popsicle over the 6^th and 7^th one and under the 4^th

Images for Instructions for Popsicle Catapult

Working Principle of Popsicle Bridge :

When the bridge is built, potential energy gets stored. Higher the bridge, higher is the potential energy accumulated. When one popsicle is removed from the structure the entire structure collapses converting the stored potential energy to kinetic.

When each unit is joined, it gets interlocked and the structure stands without any binding agent.  When one popsicle is removed, the interlocking breaks and the entire structure collapses.

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