观看免费视频 Cool Experiment With A Watermelon!

(1.21 MB) 添加日期12 May 2020 播放93次 水果 趣味 科学 Fun Things to do
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Cool Experiment With A Watermelon!

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Here's a cool science experiment involving a watermelon, praseodymium and dry yeast! Makes for a cool volcano like effect!