Conducive to Conductivity
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视频说明
Why can't everything conduct electricity? And what things can conduct electricity and what can't? Find out how to make your own conductivity tester with Mr. O. Check out the full description at cmhoustonblog.org. Part of the O Wow Moment Video Series from the Children's Museum of Houston.
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热门免费线上视频标签儿童
插件
09 四月 2017
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