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

Learn about the plants and animals that make deciduous forests their home, then complete the crossword puzzle.

Let your child explore the vocabulary associated with Earth's landforms with this colorful word search.

Have you ever wondered what keeps the moon in orbit? Newton's first law gets a quick introduction, too, in this worksheet for kids. Check it out!

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

There are lots of stories around the world for the rabbit moon: a rabbit image seen in the shadows on the moon's face. Here's one for young moon-gazers!

Take a plunge under the surface of the earth! With this worksheet as your guide, you may explore the geological processes of our planet.

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

Find out all about the different parts of the eyes and how they work together to make vision possible.

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

Meet the red wolf, an endangered species of animal that was once very common, but in the past 50 year nearly became extinct!

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

Introduce your child to a fascinating new animal, the Baird's tapir. This is just one of many endangered species around the world.

Help your child understand why it's so important to take care of the environment with this info-sheet about an endangered species: the spectacled bear.

Learn step by step how to create a report! Research facts about camels, complete the sentences, then use the sentences to create a report about camels.

Get to know one of the most unique and colorful monkeys, the red-shanked douc langur. Read about why they are an endangered species with this info-sheet.

Get swept up in this comprehensive worksheet about the awesome power of dust storms.

Where do flower babies come from? Find the answers in this word search about plant reproduction!

For your budding environmentalist, here is an information sheet on a well-known endangered species, the Komodo dragon!

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

Roses are red, violets are blue, I know the parts of a flower, how about you? Learn about flower anatomy with this worksheet.

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

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

During the Gold Rush, people weren't sure if they found gold or something else, and these easy steps would help them be sure.

Introduce your student to an endangered species, Przewalski's horse, with this information sheet. They can color the illustration as they read.

There are many animals around the world whose lives or homes are threatened. Read about an endangered species from Africa with this info-sheet

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

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

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.

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.