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.

The food chain is an important life science concept for fouth graders. This game makes it fun to learn!

This worksheet is a quick-reference tool of space vocabulary for kids, with an exercise to use the words properly in provided sentences.

Challenge your child' memory skills with this colorful worksheet. This fun printable will help with memorization skills and spatial awareness.

Let your coloring skills blossom with this flower anatomy worksheet. Make your own flower, color and put your vocabulary skills to the test!

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

Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science worksheet.

Give your kid help with his science skills with this worksheet, which practices natural disaster vocabulary.

This nonfiction passage helps kids develop reading comprehension skills, as well as learn important ecological facts.

This multi-page worksheet provides an opportunity for kids to practice both their understanding of food webs and their reading comprension skills.

Is your fourth grader learning about electricity? This worksheet is all about circuits, tests her skills and reinforces the concept of how a circuit works!

Earth has many different land and water features—can you recognize them? Test your knowledge with this crossword puzzle for third and fourth graders!

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

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

Don't let your kid bark up the wrong tree! Engage him in a word search filled with tree terms, boosting his attention to detail and problem solving skills.

What happens to water after it rains? Learn about the stages of the water cycle in this colorful worksheet!

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

Can you match the scientist with the unit of electricity or power that is named after him?

Discover different types of energy with this third- and fourth-grade science worksheet!