Have you ever played basketball? It’s fun to play with friends! Basketballs are filled with air. Without air, basketballs wouldn’t bounce.
Photo Credit: BananaStock/age fotostock
In the Know
How Do Airplanes Fly?
Have you ever been on an airplane? Do you wonder … read more
In the Know
Ear Muscles
Dogs can move their ears. They use ear muscles. This … read more
In the Know
Dr. Andrea Ghez and the Giant Black Hole
Dr. Andrea Ghez is an astronomer. She studies things in space. She found a … read more