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.

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!

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

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.

Humans have 32 teeth, including wisdom teeth, and this diagram has the names of all the other 28.

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

Budding biologists can learn all about human digestion with this information page, complete with a diagram of the digestive system.

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

Do you know which animal has two humps? Your child will use clues to determine what animal name fits in the crossword puzzle with this worksheet.

See just how connected the ears, nose and throat are with this anatomy worksheet!

Help your child practice her spelling and vocabulary with this fun worksheet! Discuss with your child what it means to be cold-blooded.

A useful overview of terrestrial biomes, including a climate key.

Open your ears for some interesting science! Your little biologist will learn the basic parts of the ear with this diagram.

Learn about pearls, which seem like normal jewelry from a factory but are actually made from the mucus of mollusks!

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

Flex your mind muscles with a body science worksheet! Your child will learn the fundamentals of what makes up our muscles.

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.

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