If you throw a ball up in the air, it comes back down. Gravity brings the ball down. Gravity is a force that pulls things to Earth. Gravity affects all objects.
Photo Credit: Jose Luis Pelaez Inc/Blend Images
In the Know
Summer Vacation
Summer vacation is coming! Let’s take a look at some … read more
In the Know
Can a skunk do a handstand?
Skunks spray a bad-smelling liquid. It smells like rotten eggs. … read more
In the Know
Fazlur Khan’s Big Idea
Fazlur Khan was an Asian American. He was born in … read more