When we get embarrassed or anxious, and all of a sudden our cheeks get red! Why does our body do this? Find out what scientists think blushing is all about.

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!

Find out how scientists explain our yawns and use the graph to keep track of your family's yawns for a whole day!

Plants may not have feet, but they do move! Help your child learn different ways seeds travel.

Let your curious kid learn a little bit about how fireworks work in this summer science sheet.

How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.

Your child has probably tried a potato, but does he know the process it goes through to make it to the table? Find out with this life science worksheet.

Learn about how the Earth was formed in this science worksheet that covers the early years of the Earth.

Rainbows look like swipes of brightly colored paint hanging in the sky. Have you ever wondered how they got there?