Some animals are green, like frogs. Some animals are brown, like worms. Polar bears are white. They live where it is very cold. Polar bears have white fur to help them camouflage into the snow and ice.
Photo Credit: HuntedDuck/E+/Getty Images
In the Know
Meet Emmett Chappelle
Chappelle got many ideas for his inventions from fireflies. He … read more
In the Know
What’s in a Name?
Names are important. Sometimes names change. Let’s look at the … read more
In the Know
Fazlur Khan’s Big Idea
Khan wanted to find a better way to build tall … read more