Mark Rober

SCIENCE CLASS #1- WHY Does Helium Make Your Voice Higher? (2020x4)

Exibido em:: Mar 23, 2020

Live stream with demos your brain will enjoy where we answer a basic question every time. Does farting make you weigh more or less?!?! Place your guess and give me feedback too- https://forms.gle/gqNw9Ht83Vzo2va4A