Amazing science – Floating ketchup magic trick!

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This cool experiment shows how to make a ketchup sachet rise and fall on command in some water! Why not try it out and see if you can trick your parents into thinking you have special mind powers!

Can you work out why the ketchup rises and falls? Let us know in the comments below!

If you want to learn more about science, watch our new Amy Aviation series to find out how to get to space in a plane!


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