Find out all about the different parts of the eyes and how they work together to make vision possible.

Help kids understand the size and scope of billions of years with this helpful reference 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!

How much do you know about our home planet? Boost your Earth knowledge with this science printable.

How much do you know about the U.S. national bird? Learn all about the bald eagle with this fun, informative worksheet!

How much do you know about man's best friend? This fun worksheet is jam-packed with fun facts about dogs!

Mmmm honey is delicious, but do you know how it's made? Take a dip into some sweet knowledge and find out the buzzy secrets behind honey.

How much do you know about our solar system's planets? Kids learn facts about Neptune in an out-of-this-world worksheet.

How much do you know about the Snowy Owl? Learn a few fun facts about this species with a fun sheet, including a dot to dot!

Lots of people like turtles, but how much do you really know about them? Get to know one of many types of turtles with this informational worksheet.

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

How much do you know about our national bird? Enjoy an info page about the bald eagle, with a mini crossword, some fun facts and a picture to color.

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.

How much does your child know about the animal kingdom? Help her discover interesting facts with this animal crossword.

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

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

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!

Nature is all around us! But how much does your child know about our natural world? Test her knowledge with some nature fun-facts trivia.

All kids love animals, but how much does your child know about them? Kids will get to learn some animal vocabulary with this wild crossword puzzle.

Without rain, we wouldn't have any puddles to splash and stomp in. Does your third grader know why and how rain falls from the clouds?

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.

Roses are red, violets are blue, I know the parts of a flower, how about you? Learn about flower anatomy with this worksheet.

Without reflective surfaces, this biker would have a much more dangerous ride. Can you find all five reflective surfaces present in this scene?

Have you ever looked into the night sky and wondered where all those millions and million of stars come from? Find out here with a mini astronomy lesson!

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

Did you know plants make their own food? Discover how with this fill-in-the-blank worksheet for third and fourth graders!

Dreams can be delightful or downright terrifying. Discover the science behind dreams and try to figure out what your dreams say about you.

Are cats trying to talk to us when they purr? Discover the meaning behind the purr in this worksheet that explores the three main types of cat purrs.

Hiccups interrupt us when we're talking and sometimes even get in the way of eating! Find out why we hiccup and discover some unusual ways to get rid of them.

How many teeth does an alligator have? Find out with this fun worksheet, dedicated to teaching you and your child all about alligators!