Did you know that trees have more parts than just the trunk, branches and leaves? Take a look on the inside of a tree with this fill-in-the-blank diagram!

Ever lay on your back to watch the clouds? With this cloud chart you and your little scientist can identify the different types of cloud formations.

There are many endangered species all around the world. Read about the Amur leopard and why it's endangered with this information page.

Learn Saturn facts with this science printable, like that it is one of the large gas planets in our solar system!

Cave formations come in all kinds of shapes and sizes; get the scoop on common cave formations with this two page printout with a maze and vocabulary.

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

What is the Earth? Here is a reading passage and a word search to help your kid get acquainted with Earth science.

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

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

Teach your child about an endangered species with this information page, all about the Forest Owlet. They can color as they read some interesting facts.

Lots of people like turtles, but how much do you really know about them? Get to know one of many types of turtles with this informational worksheet.

Learn about the animal practice of hibernation in this quick science worksheet.

These 12 dinosaur names are all mixed up, and need a dinosaur expert to help unscramble the letters.

Learn more about the animals in the swamp food chain, and find out how each living thing in a swamp ecosystem needs another to survive.

Learn the ins and outs of one of the body's most important organs: the heart!

This tree anatomy worksheet will give your little naturalist a better understanding of the parts that make up a tree.

Our silkworm facts help your little one understand more about these special invertebrates. He'll read about their life stages and answer some questions.

This printable features the planet closest to the sun. Learn Mercury facts and further your knowledge of outer space by discovering new things.

Did you know some baby birds take 10 days to hatch, and some can take 80 days! Learn all about these cute creatures and finish your lesson off with a fun maze.

Animal lovers, get acquainted with a very unique species, the okapi! Read this info-sheet to learn about why this animal is endangered.

How much do you know about our solar system's planets? Kids learn facts about Neptune in an out-of-this-world worksheet.

Did you know that an elevator is actually one of the six simple machines? Help your child understand how the pulley works.

Step up to the controls, Dr. Frankenstein -- the world is in need of a new creature!

Can you tell which types of weathering caused each of these changes in the earth? This activity is a great way to review the 3 main types of weathering.

Learn about the California tiger salamander, which uses its toxic, bad smell as a defense.

This helpful worksheet lays out all the qualifications for planethood. A great way to start studying outer space science!

How do you make recycled paper? Learn all about the recycling paper process on this informative worksheet.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

This word search introduces your child to important rocks and minerals vocabulary, as it strengthens his attention to detail.

This page is all about building your kid's natural resources vocabulary words, along with research skills.