Sir Isaac Newton was the first person to study gravity. He was sitting under an apple tree. An apple fell from the tree and hit him on the head. He discovered that gravity made things fall to Earth.
Photo Credit: McGraw Hill
In the Know
Why Do Basketballs Bounce?
When a basketball is full of air, you can dribble. … read more
In the Know
What Is Infrastructure?
You hear the word infrastructure in the news. But what … read more
In the Know
Three African Americans Who Made a Difference
February is Black History Month. Let’s honor three African Americans … read more