Jellies with fruit
Carry out the same experiment using cooked fruit. Just put fruit into boiling water for several minutes. In order to prepare jelly, use water which was previously used to cook chili pepper in it.
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/.
Are all types of sugar edible?
Carry out the same experiment, but this time add iodine tincture at the end – that is, after you’ve added saliva. Use tissue, lignin or a piece of paper instead of cotton wool. Use potato, rice, pasta, etc. instead of flour.
Read moreBalloon guitar
Make two guitars, inflated to a varying degree. Are the sounds different? If so, how do they differ? Make a guitar with only one string instead of three. In order to produce various pitches, change string tension and length.
Read more- Duration:
- 1 ?
- Field:
- Physics, Mathematics,
- Tags:
- sound, music, guitar
How to create an invisible inscription?
How to create an invisible inscription?
Read moreColourful volcano
Let's make a homemade volcano!
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