फ्री वीडियो देखें Speak to Me

(82.3 MB) 05 Feb 2017 को जोड़ा गया 103 बार खेला गया पढ़ाई बच्चे मज़ा विज्ञान Fun Things to do Technology Kids and Tech
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एनिमेशन का विवरण:

What's that? You can't hear me? Maybe you need some new speakers! Don't have the cash to buy them? Well, Mr. O in the most recent O Wow Moment from the Children's Museum of Houston, will explain the science behind speakers and show you how to make speakers!