Photosynthesis – is a green leaf only green?
Use leaves from different tree species in the experiment – e.g. birch, beech, oak, maple, pine and spruce. Test whether they differ in content of particular pigments.
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/.
Hot water, hot milk
Try to carry out the experiment with other liquids of various fat content (note: don’t use in this experiment oil or alcohol). Add to water different substances and repeat the experiment with them.
Read moreWhat’s there in a potato?
Use potato starch instead of a potato. Check what is the reaction of iodine tincture in contact with bread, rice, groats and pasta. Prepare lemon jelly and add iodine tincture to it.
Read moreFire extinguisher
Use lemon juice or vinegar instead of citric acid. Use baking powder or washing powder instead of baking soda.
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.
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