Podcast:Who Smarted? - Educational Podcast for Kids Published On: Mon Jul 04 2022 Description: What are fireworks made of? How do they explode into cool colors & shapes? How have fireworks evolved? For free home activities sign-up at www.WhoSmarted.com See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.