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
Helping During the Holidays
Many people celebrate holidays in December. Holidays are good times … read more
In the Know
What Can Mummies Teach Us?
Some mummies are very old. Scientists can learn from mummies. … read more
In the Know
The Montgomery Bus Boycott
Black people in Montgomery were mad. They were tired of … read more