How to launch a fizzy bottle rocket from your own backyard
In short: Discover how to transform a simple juice bottle into an explosive missile using only water and effervescent tablets. This video demonstrates the physics of pressure and propulsion through a hands-on experiment filmed at an adventure playground.
By combining water with fizzy tablets—such as vitamin or paracetamol tablets—gas builds up inside a bottle fitted with a sports cap. This increasing internal pressure eventually forces the lid to pop, creating a reaction where the lid pushes against the ground and the escaping liquid drives the bottle upward.
This mechanism mimics the propulsion of real rockets, where escaping gases provide the necessary thrust to lift a vehicle. You can refine the flight by testing different bottle shapes, water temperatures, or tablet types to see how they affect the launch.
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Sources
- Summary by Intellect · source: At home science - How to make fizzy bottle rockets - ExpeRimental #16
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