观看免费视频 Air Cannon

(8.36 MB) 添加日期14 Jan 2017 播放123次 教育 儿童 科学 Fun Things to do Kids and Tech
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Air Cannon

动画说明:

On this episode of O Wow Moments with Mr. O, we prove that just because something looks empty doesn't mean it is - it is filled with air! And because air is matter, it can exert a force. Learn how this relates to a fun air cannon toy you can make at home!

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