• Question: why is celotape sticky?

    Asked by mollieet to Mike, Pip, Tianfu, Tim, Tom on 28 Jun 2012.
    • Photo: Tom Lister

      Tom Lister answered on 28 Jun 2012:

      It’s just thin plastic with glue on one side. The glue is sticky because it contains long molecules which get tangled up with things they touch, and with each other.

    • Photo: Tim Stephens

      Tim Stephens answered on 28 Jun 2012:

      Yup, good answer.

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