Experiments

Scenarios of experiments are available under the Creative Commons Attribution 3.0 Poland licence (CC BY 3.0 PL). Some rights are reserved to the Copernicus Science Centre. The works were created as a part of the Young Explorer’s Club Programme, conducted by the Copernicus Science Centre with the use of means of the Polish-American Freedom Foundation. It is permitted to use the content freely – provided that this information will be preserved, including the information about the applied licence, held rights and Young Explorer’s Club. Contents of the licence are available at http://creativecommons.org/licenses/by/3.0/pl/.

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Warming up scooter

Can you warm up cold hands using the brake if you make more rounds? Can you carry out the same experiment using a bicycle? Or rollerblades?

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Duration:
1 ?
Field:
Physics, Outdoor activities,
Tags:
friction, kinetic energy, thermal conductivity of metals, movement, wheel, scooter, temperature

Cucumber cell

Check what is the reaction of a cell made of different vegetables or fruit. What will happen if you use different nails?

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Duration:
1 ?
Field:
Physics, Chemistry, Biology,
Tags:
cell, current, electrolyte, acid, fruit, vegetables

Non-leaking glass

Try to carry out the same experiment on a larger and smaller scale. Does water react always the same way?

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Duration:
1 ?
Field:
Physics, Chemistry,
Tags:
liquid, water, surface tension

Explosive mixture

Instead of cabbage decoction, use: water, blackcurrant juice, beetroot juice, hibiscus tea or blueberry juice. Use lemon juice or vinegar instead of citric acid.

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Duration:
1 ?
Field:
Physics, Chemistry,
Tags:
acid, alkali, reaction, pH, neutralisation reaction

Cup-phone

Use a thin wire instead of a string. Speak at different rates. Speak quietly and loudly. Try to speak in a low and in a high voice. Try to use other vessels.

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Duration:
1 ?
Field:
Physics, Biology, Social,
Tags:
sound, vibration, communication, voice, speech, hearing