How do we know about ice ages? Scientists study ice. Scientists study clues from glaciers. Scientists study fossils.
What Do You Think? How did humans live during the ice age?
Photo Credit: Corbin17/Alamy Stock Photo
In the Know
Why Do Basketballs Bounce?
Basketball is fun. You bounce the ball a lot. You … read more
In the Know
Animals in Winter
This groundhog hibernates. It sleeps all winter. It lives underground … read more
In the Know
Earth Day
April 22nd is Earth Day. People celebrate nature on Earth … read more