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Ice Balloons Activity



Here’s a great activity!


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2 Responses »

  1. Hi
    I am a science technician and I have made ice balloons for several years. Occasionally they get left in the freezer and when I look at them they have deep grooves in them, please help me to understand why.
    many thanks
    Gill

  2. Enjoyed it! Still like science, but never had your boyant enthusiasm,