Learn the difference between behavioral and physical adaptations with this cut-and-paste worksheet for second and third graders!

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

Introduce students to the ecological benefits of terracing with this middle grades science worksheet!

As your child matches up the body systems vocabulary with the correct definitions, she'll boost her life science knowledge and have fun doing it!

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.

Together, water and photosynthesis are the source of all life on Earth! Little curious minds will enjoy discovering the ins and outs of photosynthesis.

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

How cool are chromosomes? Read what Steve the savvy scientist has to say about chromosomes and genes before testing your knowledge with some fill-in-the-blanks.

Students compare structures in the bodies of different organisms in order to draw conclusions about evolutionary relationships in this life science worksheet!

Use clues to fill in the boxes in this crossword puzzle, and learn more about freshwater fish along the way.

Students read about genetic mutations in order to understand how mutations affect organisms in this engaging life science worksheet!

This Awesome Anatomy coloring page is all about the human eye, and makes a handy study tool as well!

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.

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!