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

Learn more about the bones in your body and just how important they are with this reading sheet and diagram, all in one.

Did you know people can live with just one kidney? Get a head start on human anatomy with this info sheet on kidneys.

Ever wonder how the human body functions? Enjoy this great info sheet all about the human heart, one of our most important organs.

Learn all about the liver with this anatomy sheet. Our liver is one of many organs in the digestive system expelling waste from the body.

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

Discover the connections between the sun, plants, and animals in this fifth-grade worksheet all about photosynthesis!

Did you know an elephant can eat 300 pounds of food in one day? This fun worksheet is jam-packed with fun facts, a word search and trivia, all about elephants!

Fifth-grade learners will look at a diagram of a cell, then follow the instructions to label its parts by color.

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!

Take a peek into a temperate forest ecosystem with this food web worksheet for fourth and fifth graders!

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

Fourth and fifth graders will cut out and assemble a human skeleton from paper in this engaging life sciences printable.

This worksheet gives your fifth grader some skeleton know-how, as she fills in the diagram with the bones from the wrist to the fingertips.

Teach your fifth grader about this important bony structure with a fill-in-the-blank skull diagram.

Kids love squids! This simple squid diagram will help your 5th grader memorize the squid anatomy.

Meet the beetle! Filling out this simple worksheet can help your 5th grader learn the anatomy of a beetle.

Learn more about the animals in the swamp food chain, and find out how each living thing in a swamp ecosystem needs another to survive.

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

This Awesome Anatomy coloring page shows how blood circulates through your body.

Check out this Awesome Anatomy page about your voice.

This Awesome Anatomy sheet focuses on the brain, often considered the most vital of vital organs.