3 - 1How Do You Make Music? Aug. 02, 2019
3 - 2Where Do Planets Come From? Aug. 02, 2019
3 - 3Why Do People Look Different? Aug. 02, 2019
3 - 4Why Do We Have to Recycle? Aug. 02, 2019
3 - 5How Do Cell Phones Work? Aug. 02, 2019
3 - 6What Happens When You Flush the Toilet? Aug. 02, 2019
3 - 7Where Does Chocolate Come From? Aug. 02, 2019
3 - 8How Do Eyes See? Aug. 02, 2019