In 6th grade of Primary school we've been doing experiments. We have mixed some ingredients and other substances with water: sugar, pepper, ink, oil, mud, etc. and we have realized how easy is to dirty water in our houses and also in big industries.
We need to know that water is a valuable good and we have to take care of it, not wasting it or dirting it!!
Doing these experiments children have realized that there are substances that can be dissolved and seems not to contaminate water, other that color the water and others that keep floating such as oil. All of them have learned that they can't throw liquids or substances in water.
These experiments are a really good idea. Our children need to learn that they mustn't pollute our water.
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