jessi knudsen
How Airplanes Fly! | Airplane Science | SciShow Kids
The Amazing Science of Balloons | SciShow Kids Compilation
Exploring Antarctica: From Penguins to the Coldest Seas | SciShow Kids Compilation
Winter Activities! | SciShow Kids Compilation
Weird and Wonderful Amphibians | SciShow Kids Compilation
SciShow Quiz Show: Jessi Knudsen Castañeda