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

Students learn about the relationship between the structure and function of cell walls and cell membranes in this engaging life science worksheet!

Your child will write about his or her favorite animal. Kids will research their favorite animals online or at the library, then write down three facts.

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

Get some cool facts about geckos on our reading and writing worksheet! Your little one is sure to be tickled by all the curious facts about geckos.

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!

Here is a fresh and fruity way to learn a bit of life science. Sit down with your little one and teach them all the different parts of an apple!

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.

Introduce your child to the building blocks of life: DNA! This coloring page features a double helix structure, or a DNA strand.

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.

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.