Filtering Experiments

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This afternoon, we tested out different materials to see which would be the most effective material to filter water to make it cleaner. Which was the best one and why?

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2 responses »

  1. The best one was felt;it had a 9/10 rating which was near perfect.A few of the bits went through which why it was 9 however I felt that least of its bits went through.Comparing it to the other materials well I would say is that they have no chance.

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