Kate Biberdorf, known as Kate the Chemist joins TODAY to share easy and fun back-to-school science experiments to try at home or school including making string slime and "hatching dinosaur eggs." Watch TODAY with Hoda & Jenna weekdays at 10a ET on NBC. » Subscribe to Today with Hoda and Jenna: youtube.com/@HodaAndJenna » Watch TODAY All Day: youtube.com/today About: Friendship, fun, and laughs! America’s feel-good morning show with big stars and sweet surprises. Hoda and Jenna inspire and empower with their impactful stories and heartfelt connection. Connect with TODAY with Hoda and Jenna Online! Visit the TODAY with Hoda and Jenna Website: today.com/hoda-and-jenna Find TODAY on Facebook: facebook.com/hodaandjenna Follow TODAY on Twitter: twitter.com/HodaAndJenna Follow TODAY on Instagram: instagram.com/hodaandJenna #HodaAndJenna #TODAYShow #entertainment #katethechemist #science #parenting