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Tuesday, March 15, 2011

Topic: Water Filtration

These are the questions to interview a science teacher (either Mr Justin or Ms Jane, I haven't decided yet):

  • How to test water purity?
  • How does it work?
  • What do you need?
  • Cost involved?
  • How long to get the perfect pure water?
  • Does a filter remove all bad purity's or do we need to do something extra?

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