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.
Read moreExperiments
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/.
Ice cubes
Let one person put on a fur coat or a fleece jacket and ask him/her to stand dressed like that for 10 minutes in a warm room. If it’s cold, ask him/her to jump several times. Watch the skin on exposed parts of body.
Read moreThe end of the can
What will happen if water in the bucket before putting a can into it is hot? Try to carry out the experiment so that the observed phenomenon is stronger and louder.
Read moreLight? Dark?
You can use lemon juice instead of vinegar and baking powder or washing powder instead of baking soda. Link to: explosive mixture, fire extinguisher.
Read moreGenetics in the kitchen
Use tomato or kiwifruit instead of onion.
Read more