It’s snowing! The roads are covered with ice. It is harder for cars to stop. How can we make roads safer? Trucks spread salt on the roads. How does this help?
Photo Credit: MakDill/Shutterstock
In the Know
Living Art
This tree has not been painted. It is a rainbow … read more
In the Know
The Winter Olympic Games
Have you ever ice skated? When you ice skate, you … read more
In the Know
Inspired by Nature
Scientists look to nature for ideas. This is called biomimicry. … read more