An energy pyramid is a simple way to graphically show how energy flows in an ecological community; somewhat similar to the food pyramid.

Color this Awesome Anatomy coloring page that focuses on how the ears work to hear sound.

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

Need to know all about the lungs? Study up with this comprehensive lung anatomy worksheet.

Learn all about cells, the tiny pieces that make up our body, in this color-in diagram.

Take a peek inside the human eye with this eye-catching worksheet! See a simple eye diagram and learn vocabulary words that will help your kid understand sight.

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

How does blood flow through the heart? This worksheet prompts kids to map how blood is pumped through this sophisticated organ.

This skeletal system worksheet, featuring a funny diagram of a human skeleton, is just the thing kids need to master their skeletal system vocabulary.

Animal lovers can learn about sea creatures like sharks, tortoises and seahorses with this ocean habitat activity page, full of fun facts and a word search.

Ever wonder how the human body functions? Enjoy this great info sheet all about the human heart, one of our most important organs.

Got a gardening guru on your hands? Give them a fun challenge with this fill-in-the-blanks quiz about the parts of a seed!

What is the purpose of a narwhal tusk? Explore some interesting new findings about the narwhal, also known as the unicorn whale.

Go from a butterfly beginner to an expert with this worksheet, full of pretty butterflies and tons of information about where butterflies live.l

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

In this North American animal tracks worksheet, students hone their observation skills by matching tracks to animals.

Wolves are an animal with a bit of rough past in Yellowstone National Park. Learn all about them!

Find out more about single-cell organisms with this coloring page and diagram.

How many teeth does an alligator have? Find out with this fun worksheet, dedicated to teaching you and your child all about alligators!

This raptors word search is not about dinosaurs, it's about birds! "Raptor" means "bird of prey", and there is a huge list here for your child to find.

Expand your sea creature vocabulary with this Life in the Reef worksheet!

Read up on the digestive system with this page, which follows your food from start to finish.

The food chain is an important life science concept for fouth graders. This game makes it fun to learn!

How much does your child know about the animal kingdom? Help her discover interesting facts with this animal crossword.

Ever wonder what makes the leaves change colors in the fall? Find out with this fascinating life science worksheet.

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.

Looking for a worksheet to help your kid with his science vocabulary? This printable will help improve his knowledge of biology.

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.

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.

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.