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

Studying the human body? Get to know your body inside and out with this muscle diagram.

Is it true that male seahorses get pregnant? Find out with this fun, fact filled worksheet, all about seahorses!

With this enlightening worksheet, kids will get a glimpse into how our brains' different parts function in surprising ways.

Get to know your genes with Steve the savvy scientist! Genes help determine everything from your hair color to your height.

Does your budding biologist know his plant parts? Get a great review of some important plant vocabulary with this info page.

Get familiar with this food chain pyramid, from carnivores and herbivores to producers and decomposers; each group has a role.

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

Did you know people can live with just one kidney? Get a head start on human anatomy with this info sheet on kidneys.

Get to know some of the friendly, furry, feathery river wildlife that live near American rivers, then match each one to its home.

Get to know the residents of the reef with this coral reef-themed crossword, perfect for expanding life science knowledge and working on vocabulary, too!

The brain is the most important organ in the human body. Get a basic grasp on the parts and functions of the brain with this anatomy info sheet.

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 in tune with nature, and read a bit about an endangered species of animal, the Black-footed Ferret. Your child can color an illustration as he reads.

Ever try to see a scorpion up close but were too scared? Get closer than ever with this scorpion anatomy worksheet. Fill in the body parts from the word bank.

Have you considered why elephants have trunks, or why polar bears have thick fur? Reflect on animal adaptations with this fourth-grade worksheet!

Ecosystems are an important part of fourth grade science. This fun printable will help your child with her knowledge of plants and animals.

This Awesome Anatomy coloring page shows how blood circulates through your body.

Check out this Awesome Anatomy page about your voice.

This Awesome Anatomy sheet focuses on the brain, often considered the most vital of vital organs.

Learn all about your sense of smell with this diagram and coloring page.

Learn all about vision and sight with this life science diagram.