Have you ever been on an airplane? Do you wonder how something so heavy can fly? Let’s find out.
Photo Credit: Chubykin Arkady/Shutterstock
In the Know
Patriots’ Day and the Boston Marathon
Patriots’ Day is on April 17. It celebrates the Battle … read more
In the Know
The Last Ice Age
About 20,000 years ago, ice covered much of Earth. Temperatures … read more
In the Know
What Is Archaeology?
How do we find out about the lives of people … read more