What do you need to go sledding? You need a sled. You need snow. Is that all?
Sit on your sled. What happens? Nothing! You need a push or pull to make you go!
Photo Credit: majatoni/Shutterstock
In the Know
Endangered Animals
There are 8.7 million species of animals in the world! … read more
In the Know
Special Money
The United States Mint makes the money we use. The … read more
In the Know
What Do You Know About Snow?
Snow is frozen water. It forms when it is cold. … read more