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Podcast: Who Smarted? - Educational Podcast for Kids
Episode: What is Glass made of?
Description:
 How was glass discovered? How is glass molded into so many things? Why is glass sometimes clear and sometimes colorful? For free home activities sign-up at www.WhoSmarted.comSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.