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?

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

Flex your engineering design muscles with this engaging STEM worksheet for upper elementary students!

Study ecosystem changes with this drought-focused worksheet for fourth and fifth graders!

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

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

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

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

Discover Earth’s different spheres with this fourth- and fifth-grade earth science activity!

Learn all about essential laboratory equipment with this hands-on worksheet for fourth and fifth graders!

Break down a word to create new ones with this fun worksheet for second through fifth graders!

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

Learn how conductors and insulators affect the flow of electricity in this helpful fourth- and fifth-grade worksheet!

Fifth-grade learners will look at a diagram of a cell, then follow the instructions to label its parts by color.

Discover how cover crops enrich soil and support healthy crop growth with this research-based worksheet for fourth and fifth graders!

Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

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

Encourage your child to take a nature walk, using the prompts on this worksheet to write and draw their observations of plants, animals, sounds, and more.

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!

Discover how water flows in this informative environmental science worksheet!

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

Think creatively about classroom objects with this STEM-focused scavenger hunt!

Discover your unique STEM style with this worksheet for upper elementary students!

A handy worksheet that breaks down the properties of metal. A good physical science review sheet to keep around for reference.

Where to flower babies come from? Use this word search to learn about the different pollinators in our environment, and how they help spread plant seeds.

Step up to the controls, Dr. Frankenstein -- the world is in need of a new creature!

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

Get to know some of the friendly, furry, feathery river wildlife that live near American rivers, then match each one to its home.