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epiSTEMe - European Partnership in STEM Education

STEM lesson

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Panayot Volov Primary School� Varna, Bulgaria

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Small researchers - great discoveries  

The importance of the experiment in teaching STEM

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Fun Science Club students study science through interesting experiments in Chemistry, Biology and Physics at Bayer's Science Lab

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The Laboratory of Applied and Functional Chemistry and Biology for Children - Baylab

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Experiments:�Traveling colors - The demonstrators dissolve food dyes in water in six glasses. They tear a kitchen roll of paper into six equal pieces and fold it so that each piece comes in two cups at a time. At the end of the experiment, it was observed that the paper had become soaked with two colors at the same time.

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� Paperweight - The demonstrator is pouring glycerin into a glass jar. Then brocade powder is poured into it and water is added. After the jar was closed with the cap and shaken, it was observed that the brocade particles were slowly moving in the glycerine.�

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Surface tension –The water is poured into the bowl. Sulfur or black pepper is placed in the water (the sulfur or the black pepper swims across the entire surface of the water - this is due to the surface tension). A drop of liquid soap is added and the sulfur / pepper is collected at the ends of the bowl - this is due to the fact that the liquid soap is a surfactant, a substance that releases ,"destroys" the surface tension).�

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Lava lamp - Add some water to a large bottle, then pour a little oil until its level reaches the top of the bottle. Аdd a little food dye until about 2 cm of colored water forms at the bottom of the bottle. Then add bits of effervescent vitamins and the released gas will force the coloring bubbles to move to the top of the bottle in random motion.

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Bayer's Science Laboratory for Children is a great project with great added value.

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The mission - Science for a Better Life and Sustainable Development - has been achieved not only through innovation in the life sciences, but also by enabling children to experience science through play and fun, which is also the best prerequisite for learning with desire. The experiments help children to develop autonomy and a desire to enter new unfamiliar territories and expand their worldview.