This is Emmett Chappelle. He was a famous scientist. He also invented things. He won awards for his inventions.
Photo Credit: NASA Image Collection/Alamy Stock Photo
In the Know
Colorful Beads
Look at all the different shapes and colors! Have you ever made a … read more
In the Know
Patterns All Around
Scientists make observations. Look at the photo of the cactus. … read more
In the Know
All Tied Up
Tying your shoes is a big deal. It takes lots … read more