ŘADA: 1
OBSAH
Aerodynamics! What makes airplanes (or basketballs, or people) fly? It's air. As well as a bunch of other things that we learn when we try to make a giant paper airplane.
ŘADA: 1
Aerodynamics! What makes airplanes (or basketballs, or people) fly? It's air. As well as a bunch of other things that we learn when we try to make a giant paper airplane.
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