观看免费视频 Crush-Crush, Fizz-Fizz

(32.9 MB) 添加日期23 Feb 2017 播放193次 教育 儿童 趣味 科学 Tutorial Fun Things to do How it works Kids and Tech
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Crush-Crush, Fizz-Fizz

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How can you use mathematics (and a hammer) to make an effervescent tablet dissolve? Let Mr. O show you how surface area and volume interrelate!