33:42
FINAL SCIENCE CLASS- How to Survive a 5 Mile Fall with No Parachute
Mark Rober
30:44
SCIENCE CLASS #2- Does Farting Make You Weigh Less?
24:01
SCIENCE CLASS #6- What if Everyone Flushed their Toilet at Once?
23:00
SCIENCE CLASS #5- How Do Astronauts Weigh Themselves?
27:40
SCIENCE CLASS #4- How to Waterproof Your Hand
27:46
SCIENCE CLASS #3- Why is the Sky Blue?
35:27
SCIENCE CLASS #1- WHY Does Helium Make Your Voice Higher?
