How bicycle pump works?

When you pump up your bicycle tires or football, you are making use of compressed air.Inside a bicycle pump is a small device called a valve.A valve allows a gas…

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How to make rocket balloon?

Blow up a balloon and then let it go. The force of the high-pressure air coming out of the neck makes the balloon rush aimlessly in all directions. This type…

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How to Make a Pinwheel? – Projects for kids

How to Make a Pinwheel?You will need:a pencil a rulera piece of thin cardboard, 4 in x 4 in (10 cm x 10 cm)a pinscissorsa small beada stick, about 10…

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