Principle
This experiment shows in a simple way to investigate the properties of ( chemical ) substances to be investigated. In this experiment, students work with materials from everyday life and study the difference of substances in terms of hardness , color , magnetization , density and solubility in water by the examples of iron powder, sand, sodium chloride, sulfur and naphthalene.
Benefits
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Experiment literature for students and teachers available : Minimal preparation time
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Simple teaching and effective learning with the use of available interactive experimental literature