The Big Bang Explained

*If you teach history:* get the ready-to-teach Big Bang lesson plan that includes this video → https://www.oerproject.com/Big-History-Project/Unit-2/Big-Bang?WT.mc_id=10_00_2025__YTupdate_OER-YT_&WT.tsrc=OERYT#guid75b6407d-bb72-4d1e-8be9-b93ee9bc0542 What do we know about the Big Bang and what questions do we still have about the beginning of our Universe? Explore the evidence and learn how the Big Bang created the building blocks for everything including all life on Earth. Chapters 0:00 Introduction 0:09 What is the Big Bang Theory? 2:17 How Do We Know About the Big Bang? 4:23 There's Still a Lot We Don't Know! Stay Connected: - Join the conversation on our community forum: https://community.oerproject.com/?WT.mc_id=08_00_2025__YTupdate_OER-YT_&WT.tsrc=OERYT - Follow us on social: https://www.instagram.com/oerproject/ https://www.facebook.com/OERProject About OER Project: OER Project supports social studies teachers with free, high-quality curriculum, primary sources, and teaching tools.