How does a plane fly without falling back down to the ground because of its weight? What keeps a plane in the air? Well, in this episode, Elijah will share with you how a plane flies, what keeps it in the air, how it's able to go up, down, left, right, and will talk all about the science of flight.  So, how does a plane fly? It's not its engines. So what is it? Well, play this episode now, because you're about to find out!