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Water Tests. Produced by participants of Science Project (pupils HS Zwentendorf year 7). The water to be tested was very dirty. The boys had to filter the water. Some children tested the nitrite content of the water. Here you can see the colour chart.
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Water Tests Produced by participants of Science Project (pupils HS Zwentendorf year 7)
The water to be tested was very dirty. The boys had to filter the water.
Some children tested the nitrite content of the water. Here you can see the colour chart.
The pH-value is tested. Richard,GerhardandSabinetestedthenitratecontent.
At the end we had to talk about our test results to the other groups.