• Question: if i put atea bag in cold water how come the tea bag comes out slower than it woould if i put it in hot water

    Asked by anon-239094 to James, Alice on 16 Mar 2020.
    • Photo: James Roberts

      James Roberts answered on 16 Mar 2020:


      This is a great question! When you put a tea bag into water, tea dissolves into the water and diffuses out of the bag. As it is a different colour, you can see the tea diffusing across the water. When the water is cold, this is a very slow process, as the water molecules aren’t moving much. When the water is hot, the water has more energy, so the water molecules move around more. This means that diffusion happens much faster!

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