Don't believe a bird could catch a rattlesnake? Believe it. The greater roadrunner lives up to its name by running up to 20 miles per hour and hunting snakes.

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

Invite your child to dream big and design their very own planet. Encourage both creativity and scientific speculation with this fun worksheet.

Use this cool 2-page worksheet to make your own big dipper clock!

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

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

Make a splash with this hands-on first, second, and third grade science worksheet about sound and underwater vibrations!

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

Guinea pigs are social animals that make great pets. Test your child's knowledge of these furry critters with this fun quiz.

Ancient mariners mistook the manatee for a mermaid! Your young biologist won't make the same mistake after learning about the manatee with this worksheet.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

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

Can your child name 10 animals that make their home in the mountains? After completing this worksheet, he'll know all about mountain habitats!

Light can do amazing things, but nothing else brings out its crazy capabilities like the prism. Learn about the dazzling prism and make one of your own.

Crossword puzzles are a great way to make life science learning fun. This one's all about natural selection, and it's sure to give your child a fun challenge.

The next time your parents ask you to wash your hands before dinner, read this worksheet about Joseph Lister and take their advice!

Does your learner ever wonder what makes the Earth dark at night and bright during the day?

Ever wonder what makes the leaves change colors in the fall? Find out with this fascinating life science worksheet.

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

Grandma and grandpa didn't always have gray hair. Find out about what gives our hair color and what makes our hair lose that color as we get older.

Discover some fun facts about the sun — and bring it to life with color — with this astronomy worksheet!

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.

Have you ever wondered why manhole covers are round? It's a good thing to know -- big companies sometimes ask that question in interviews.

This packet of worksheets introduces children to food webs, an important life science concept.

Need a colorful way to impress your friends and family? This worksheet has got you covered!

Which animals can live happily alongside humans? With this word search, match up game, fun facts, your child will learn more about urban animal habitats.

Back in ancient times, before people knew what the stars were, they told stories about them! With this worksheet, learn about the constellation Cygnus.

Dragonflies are some of the oddest looking insects in the world, so it's appropriate that they have so many unique characteristics. Read all about them!

One of the most famous and easy to spot constellations is the Big Dipper! Formally known as Ursa Major, this constellation was named after a bear.

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