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Examination of dissolved carbon dioxide in a bottle of carbonated water.
When heated, powdered sulphur reacts with powdered zinc, releasing heat.
Watch this video to learn about the process of making a mozaVideo.
Have some fun with a harmless little bomb you can make at home.
Maps are indispensable to planning outings and also to orientating en route and on site.
This film presents the result of human interference and tampering with nature.
The Alps are the highest fold mountain range in Europe. They stretch from the Rhône valley to the Carpathian Basin. They are part of the chain of mountain...
When two substances are heated, they combine to form a compound.
Separating mixtures if one of the substances dissolves in water.
Catalysed by a few drops of water, aluminium reacts with iodine.
Water is one of our key natural resources; we must protect it vigorously.
An easy experiment only using balloons and thumbtacks.
Donating blood can save lives, since patients often need various blood products for their recovery.
If we pay close attention as we walk through the forests and across the meadows, we can see miracles. Let’s learn more about the rose chafer.
Our new videos about the Alps are already available.
What do the words jama, minaret and muezzin mean? Watch this next video to learn the answers.
An ornamental plant often grown to cover porches and walls of houses. It creates fresh and green environment.
This is a video presenting the characteristics of natural and artificial ecosystems.
A surprising phenomenon occurs when we hold a statically charged ruler near water flowing from a tap.
Florence is the capital city of the Italian region of Tuscany as well as its most populous city.