Filtering Experiments


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?







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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