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Representative Samples

Discussion in 'Science' started by pink_reindeer, Aug 29, 2015.

  1. pink_reindeer

    pink_reindeer Occasional commenter

    Hi guys

    I've been trying to prepare resources to cover the following points on the syllabus. Everything I search the web for appears to be presented in a complicated, detailed way. This is for GCSE Additional Applied Science. I wondered if anyone had anything that I could take a peek at please? I wouldn't be able to steal and use it without work, as I teach in a Welsh medium school so would have to translate. The bits I'm struggling with are:

    * explain how representative samples can be collected for analysis (e.g. water samples from streams/rivers, landfill sites or household water supplies).

    * state the information required when collecting and storing samples for analysis (e.g. water samples).

    * explain how to prevent the deterioration or contamination of a sample (water samples from streams/rivers or household water supplies).

    Any help with this would be amazing! I've been trying to do stuff on it all day and my brain is fried.

    A huge thanks in advance :)

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