These pictures have a lot to say! The animals in this worksheet don't talkÃbut they can tell you a lot about what they're like by the way they look.

Both of these animals have big ears! Your child will look at the pictures of unusual animals in this worksheet and try to learn some new things about them.

Have you considered why elephants have trunks, or why polar bears have thick fur? Reflect on animal adaptations with this fourth-grade worksheet!

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!

Have you ever heard of a bird building a structure of sticks and leaves in order to attract mates? You have now.

Glass is everywhere, but have you ever wondered where it all came from? It doesn't grow anywhere -- we have to make it!

You have a lot in common with all the other humans on this planet. You all have noses and arms and fingernails, but what makes you different?

Why do some desert animals have large ears? Why do others have scales? Learn the answers to these questions and more with this life science worksheet!

Have fun learning about food chains in this charming science worksheet!

Determine which magnets have the strongest force in this third- and fourth-grade worksheet!

Learn the scientific name for jellyfish then have a ball coloring in the pictures of these graceful creatures!

Does your child have a knack for astronomy? Teach him about the constellations with this great worksheet.

If you know what each planet looks like, you'll have no trouble with this intergalactic crossword puzzle.

Even colors have best friends. In the world of color, these best friend pairings are called complimentary colors.

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

Humans have 32 teeth, including wisdom teeth, and this diagram has the names of all the other 28.

Through a simple matching activity, kids learn how their actions can have a direct effect on the environment.

Stretch your backbones and learn about the creatures that have a spine and those you don't!