関連ワード:  chemistry experiments for 10 year olds  
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10 Easy Science Experiments - That Will Amaze Kids

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25 Chemistry Experiments in 15 Minutes | Andrew Szydlo | TEDxNewcastle

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4 Science Easy Experiments | Simple Science Experiments and School Magic Tricks

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Vinegar + Baking Soda + Balloons = FIZZY FUN! | Kids Science Experiments | Science for Kids

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