Ever wonder what's inside a camel's hump? Find out with this fun worksheet! It's jam-packed with facts about camels.

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

There's not much in the animal kingdom more interesting than tentacles with suckers! Learn about octopus anatomy with this worksheet.

What's the animal that swims upstream? Help your child figure this out with this cold-blooded animal crossword puzzle worksheet.

How much do you know about man's best friend? This fun worksheet is jam-packed with fun facts about dogs!

Dragonflies are some of the oddest looking insects in the world, so it's appropriate that they have so many unique characteristics. Read all about them!

There's a lot happening beneath the waves, including the ocean food web. Take a closer look with this colorful printable.

There are some parts of our brains that are still too complicated for scientists to understand! Find out the basics of the brain's functions with this fun page.

Learn all about your body's most important muscle: your heart! This simple diagram is a great way to introduce your little biologist to his heart.

Dive deep into your body's circulatory system with this worksheet on blood and what it's made of.

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

Kids will cut out the various functions listed at the bottom of this kidneys and intestines worksheet and match them to the correct organ.

Use this heart anatomy sheet to learn all about your heart and how it works.

Sit down for a fun science lesson with Steve the savvy scientist as he teaches you all about dominant and recessive genes!

"The hip bone is connected to the...?" Sing the song perfectly with the help of this worksheet on the skeletal system!

Where is the liver located? Using the diagram as a reference, kids cut out the different parts of the liver from this worksheet and piece them together.

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

Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

Quiz your kid on the names of bones in his spine with this colorful worksheet.

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

Learn all about the different jellyfish and then test your knowledge with the questions at the bottom of the page.

Can you identify the difference between inherited and acquired traits?

This kid-friendly, fill-in-the-blank diagram helps your fifth grader learn the technical terms for the bones in his torso.

Study ecosystem changes with this drought-focused worksheet for fourth and fifth graders!