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Putting a candle out with carbon dioxide

In this experiment we produce carbon dioxide with vinegar and baking powder.

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Frog violin

Is a matchbox able to imitate the croak of frogs? With the following experiment we reveal the...

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In this experiment, we convert a plastic bottle into a rocket.

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Is it possible to turn pure water into a soft drink in a few seconds?

String saw

In this experiment we prove that it is possible to cut a bottle with just a string.

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Et rumfartøj på sin vej er i konstant tilstand af frit fald.

Let’s get to know the sources of sound!

Let's use musical instruments and our vocal cords as sources of sound.

Sugepumper og trykpumper

Trykpumper og sugepumper er blandt de enkleste vandpumper.

Pitch and frequency, Part II

Experience the relationship between pitch and frequency through measurements.

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