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?

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.

From nature hunts and rock painting to recycled art and poetry writing, these activities combine scientific exploration with arts and crafts projects.

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!

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

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.

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.

On this worksheet, kids learn all about the look and location of Uranus, and they get to cut out a picture to use in their own Solar System diagram.

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