3rd - 6th Grade Life Science Worksheets

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

Learn about the amphibians and reptiles of Yellowstone National Park.

Learn all about the different jellyfish and then test your knowledge with the questions at the bottom of the page.

Learn about the black bears of Yellowstone National Park.

Use your knowledge of sea creatures to fill out this crossword puzzle.

Ready to make a body outline? This seriously fun project will give kids some big insights into the important systems that make up their bodies!

Wolves are an animal with a bit of rough past in Yellowstone National Park. Learn all about them!

Kids will cut out the various functions listed at the bottom of this kidneys and intestines worksheet and match them to the correct organ.

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.

Learn about the great horned owl of Yellowstone National Park, a bird so big and mean that it has the nickname, "tiger owl."

Read about the small population of huge moose in Yellowstone National Park.

Learn about the grizzly bears that live in Yellowstone National Park.

Learn all about Alexander Fleming, the man who invented penicillin and the happy accident that brought him to it.

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

Students demonstrate their knowledge of the structure of animal cells in this middle grades life science worksheet!

Students demonstrate their knowledge of the structure of plant cells in this middle grades life science worksheet!

Use this life science worksheet to help middle school students boost their understanding of photosynthesis and how matter and energy cycle on Earth.

Discover the function and parts of the human skeleton with this introductory diagram.

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

Students research an ecosystem of their choice and create an ecosystem model in this life science worksheet for middle grades!

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.

Explore the anatomy, physiology, and overall function of the sensory nervous system with this life science worksheet! 

Little biologists will use this respiratory system diagram to identify the most important parts of the human respiratory system and their functions.

Students use a food web to identify the roles of organisms in an ecosystem and draw conclusions about the cycling of matter and flow of energy.

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

This cool worksheet prompts young biologists to research the functions of cell organelles labeled in the diagram.

Learn about the human brain with this zombie-themed science worksheet!

Dinosaurs and other creatures don't exist anymore! Learn the names of some extinct animals, and look for them in this fun wordsearch puzzle.

This Awesome Anatomy page focuses on the heart and how it pumps blood to all parts of your body.

Students explore the mechanics of the respiratory system in this life science worksheet for middle school.