Learn more about the animals in the swamp food chain, and find out how each living thing in a swamp ecosystem needs another to survive.

It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

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

If you were a mad scientist, what modern-day version of Frankenstein's monster would you create?

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Did you know an elephant can eat 300 pounds of food in one day? This fun worksheet is jam-packed with fun facts, a word search and trivia, all about elephants!

Take a peek into a temperate forest ecosystem with this food web worksheet for fourth and fifth graders!

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

Learn all about light refraction by simply placing your pencil in a glass of water. Warning: your pencil may not be quiet the same afterward.

What is the water cycle? We're glad you asked! Learn about this amazing natural system that's been working for billions of years.

Explore magnetism with this colorful science worksheet for third and fourth graders!

Learn how energy changes forms with this fourth- and fifth-grade physical science worksheet!

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

Get charged up about static electricity with this informative fourth- and fifth-grade worksheet!

Match forms of energy to common examples in this third- and fourth-grade science worksheet!

Become an energy investigator in this electrifying science worksheet!

Connect forms of energy to real-life scenarios in this third- and fourth-grade worksheet!

Unscramble key vocabulary words about energy and collisions with this engaging science worksheet!

Fourth and fifth graders will cut out and assemble a human skeleton from paper in this engaging life sciences printable.

Discover how water flows in this informative environmental science worksheet!

Test your knowledge of electrical energy with this third- and fourth-grade worksheet!