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.

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

Learn about a famous woman of science, Rosalind Franklin, and how she contributed to the discovery of DNA's double-helix structure.

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

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

The horned lizard has a scary exterior but a gentle personality. Your little student can learn about this North American lizard with this worksheet.

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.

Put your kid's observational skills to the test with this word search that will help her learn some of the animals that inhabit a rainforest.

The silverback gorilla is a special animal. This magnificent male is part of an endangered species. Complete this sheet to learn all about this gentle giant.

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.

Help your child read this page about the Sumatran rhinoceros, where they can color an illustration as they learn about why this animal is endangered.

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.

Did you know that one of the main ingredients of a perfect pearl is dust? Learn all about the bizarre process behind every pearl with this science worksheet.

The California condor has been brought back from the brink of extinction. This worksheet will help your little bird lover learn all about the condor.

All kids love animals, but how much does your child know about them? Kids will get to learn some animal vocabulary with this wild crossword puzzle.

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

This Louis Pasteur biography goes over his accomplishments, and includes a bacteria-based science activity at the end!

Help your child understand pollination with this informative worksheet, complete with a diagram.

Dip your toes into a marsh habitat in this second- and third-grade worksheet!

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

Whether you say buffalo or bison, it is still the largest land mammal in North America. Discover a bit more about this majestic animal.

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.

Here's a fun way to review photosynthesis with your child! She'll show off her science knowledge as she answers questions to complete the crossword puzzle.

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

As your child completes this science worksheet on the life cycle of a peanut, he'll get the chance to practice his sequencing, labeling, and drawing skills.

In which habitat could you find an arctic fox, a polar bear, and a snowy owl? Have your kid find tundra animals with this word search worksheet.

What's your favorite animal? Kids love answering that question, and with this animal research graphic organizer, they can write all about it.