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.

This Earth Day quiz family and friends with this true or false questionnaire. It's all in good, informative, fun!

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.

A fun challenge for kids, this Earth Day crossword puzzle is a great way to review facts about the Earth and get a reminder on how to live green.

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

Did you know that one of the main ingredients of a perfect pearl is dust? Learn all about the bizarre process behind every pearl with this science worksheet.

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

These Valentine's Day cards will be the oddest and most unique cards your sweetie ever got!

These printable Valentine's Day cards are perfect for a kid who's in love with animals and science!

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

What's the difference between renewable and non-renewable energy? Help your student discover the various forms of energy we use each day.

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

What's your favorite animal? Kids love answering that question, and with this animal research graphic organizer, they can write all about it.

Let your child put her thinking cap on and take a moment to write about the influence people might have had on the formation of landforms.

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!

It's never too early to start teaching your kid about eating right and staying active.

Take a quick lesson in the otters that inhabit Yellowstone National Park and take an even quicker quiz.

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!

Dive into a coral reef habitat with this second- and third-grade worksheet!

Uncover the plant life of an icy tundra with this habitat worksheet for second and third graders!

Milky Way: candy bar or galaxy of 100 to 400 billion stars?

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

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

Peel back the layers of the earth in this earth science worksheet. Can you name all of them?

Learn about the life cycle of a tomato plant in this worksheet for second and third graders!

Can you identify the difference between inherited and acquired traits?