Which comes first, genus or phylum? To complete this life science crossword, kids need to put the 9 levels of biological classification in the correct order.

Learn about the integumentary system, which is really just a fancy phrase for "skin", in this worksheet.

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.

All living things go through cycles. Learn about the life cycle of an amphibian with this diagram of the life of a frog!

Studying human anatomy? Here is a great sheet that shows a diagram of all the muscle system. Your child will learn the scientific terms of the major muscles.

Explore the difference between asexual and sexual reproduction in organisms with this middle school science worksheet!

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.

There are a lot of structures that make up a new plant, called a seedling. Your child will learn what they're called with this life science 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.

It's never too early to start teaching your kid about eating right and staying active.

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

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

What happens to our food after we swallow it? Chomp on some body science with this diagram of the digestive system.

These worksheets help kids understand food webs, an important part of the life science curriculum in fourth grade.

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

Learn more about the skin (and the science behind pimples -- ew!) in this printable life science diagram.

This packet of worksheets introduces children to food webs, an important life science concept.

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!

Record your notes as you learn about the cell cycle with this one-page template!

Take a trip down to the deep blue sea and learn about the life cycle of a fish! Fish go through the same stages of life as many other living things.

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

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

Review the different body parts with a fun crossword! This is a great way for your little doctor-in-training to review the basic organs and their functions.

Cranium, noodle, melon, noggin...the human skull has been called a lot of things over the years. Here are the proper names for each part.

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.

Looking for a worksheet to help your kid with his science vocabulary? This printable will help him with the parts of the human body.

In this worksheet, children will learn about the intricate "waggle dance" honeybees use to communicate to each other.

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.

Help your child learn about facts and opinions. Kids will read statements about animals before determining whether each statement is a fact or opinion.

Take a look and learn all about this beautiful and rare tiger from the islands of Sumatra in Indonesia.