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!

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!

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.

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

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

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.

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.

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

Try this worksheet diagramming a snail anatomy. It takes a snail over two minutes to travel 12 inches, but your 5th grader can finish this worksheet in no time.

Learn more about what lives--and what thrives--in marshes with this fill-in-the-blank worksheet on marsh ecosystems.

Fill in the blanks from the words listed in the word bank, then keep this sheet handy to prepare for tests and quizzes on life science and photosythesis.

Get to know the residents of the reef with this coral reef-themed crossword, perfect for expanding life science knowledge and working on vocabulary, too!

Introduce children to photosynthesis with this fill-in-the-blanks life sciences worksheet!

Dive deep into your body's circulatory system with this worksheet on blood and what it's made of.

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.

Learn more about the mysterious brain and how it works with this brain anatomy worksheet.

Learn all about cells, the tiny pieces that make up our body, in this color-in diagram.

Did you know that invertebrates don't have backbones? Find out some different types of invertebrates with the clues in this crossword puzzle.

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

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.

Learn about the many different biomes the Earth is home to in this life science worksheet, which holds the answers to some simple life science questions.

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

This Awesome Anatomy coloring page focuses on the heart and all the different parts of it.

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

Learners will discover a simple overview of the human muscle system in this introductory worksheet.