Have you ever wondered how reusable hand-warmers work? Wonder no more, as Poppy is here to explain the science behind the heat, with her Hot Ice Experiment using Sodium Acetate - that's basically baking soda and vinegar!

 

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To see more of Poppy's science videos,
check out her You Tube Channel
Poppy Does Science here
And you can also follower Poppy on Twitter here

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