This worksheet helps kids understand variations in animals and how the same kind, or species, can sometimes look different from each other.

This worksheet tests kids' understanding of basic heredity by asking them to match parent turtles with their offspring based on similar traits.

Just like people, animals have babies that grow up into adults. On this worksheet, Kids draw a line to match each baby with its adult version.

Here's a great introduction to five famous astronomers for kids. See who got the star party started with this worksheet.

This colorful diagram is a handy reference guide for kids learning basic body systems.

Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

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

This mix-and-match lists examples of natural resources. Kids can connect the natural resource with the resulting product.

For kids learning geography or earth science, this is the perfect review sheet for drilling students on common geography terms and phrases.

Has your child learned about the life cycle of a frog in school? Test his understanding with this cute cut and paste worksheet.

This is the story of our solar system. Learn about the life of Nicolaus Copurnicas and his great discovery. Learn more by answering the question at the bottom.

Here's a thorough, easy-to-understand breakdown of the color wheel that includes primary, secondary and tertiary colors.

Boost your second grader's knowledge of space with this fun worksheet, which will have her unscrambling the answers to planetary trivia.

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

Space enthusiasts will love learning about Freedom 7, the first manned American space mission.

These "Dig It!" worksheets not only teach about life on earth, they teach the scientific method as well.

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

For all you aspiring astronauts, here is a worksheet for learning the constellations! Learn all about the constellation Gemini with this sheet.

Launch into learning with this worksheet on Gemini 4, one of the original missions in the early days of the U.S.'s space program.

Dig up some earth science learning with this printable, and turn your next hike or beach excursion into a lesson in soil science!

What's better than coloring and learning at the same time? Here's a great informational sheet on koala bears that doubles as a coloring page!

This mole has a pouch for its young, just like kangaroos. Get your child into life science learning with this fun coloring page.

Not your typical crossword, this puzzle will have your child learning to recognize the shapes of the continents. Great for map skills and vocabulary!

Ancient mariners mistook the manatee for a mermaid! Your young biologist won't make the same mistake after learning about the manatee with this worksheet.

Engage your little scientist with a fun word search, all about sinking and floating! He'll be learning a basic concept of physical science.

Get outside and take a stroll! This leaf guide will give your little one a great learning experience the next time you're out at the park.

Did you know that your tongue is one of the strongest muscles in your body? Tickle your learning taste buds with this worksheet all about your tongue.

Learning about the functions of plant parts doesn’t have to be puzzling! Review the parts of a plant with this crossword for first and second graders.

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!

The Sunflowers and Moth Coloring Page will engage second graders in adding color to bring the scene to life while learning the scientific names for the species!