Invite budding naturalists to sharpen their observation skills with this colorful, printable scavenger hunt.

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.

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

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.

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

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

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

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

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

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

What's a wombat? If you've got a kid learning life science, give her a fun introduction to animals with these wombat facts..

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!

If your kid loves the ocean, he may enjoy learning tons of trivia about our fishy friends in the sea. Brush up on your fish facts with this fun page!

Get your child into learning with this fun color and learn page. She can read some fun facts about possums, and have a fun coloring session at the same time.

Looking for a fun way to supplement your child's science learning? Try out a life science crossword puzzle! This one's all about ecosystems.

Crossword puzzles are a great way to make life science learning fun. This one's all about natural selection, and it's sure to give your child a fun challenge.

This short nonfiction text will provide students with an opportunity to become more comfortable with identifying and defining academic vocabulary words—and they'll have fun learning all about the life cycle of a chicken in the process!

Next time you head outside for a hike or a camping trip, bring along this checklist of animal tracks!