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20 May, 15:01

Science fair project

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Answers (2)
  1. 20 May, 15:23
    0
    You can make a projector using convex lens and a mobile phone back of it

    For more details search in you. tubeyou will get videos based on this
  2. 20 May, 15:39
    0
    For Science fair project you can do convection current

    Explanation:

    Show how to do the process

    and then make a model to demonstrate

    Materials required:

    Potassium Permanganate, beaker, bunsen burner, water and retort stand
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