3rd - 7th Grade Life Science Worksheets

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

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

Learn about the amphibians and reptiles of Yellowstone National Park.

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!

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.

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

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."

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

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

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

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

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

Students demonstrate their knowledge of the structure of animal 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.

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

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.

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.

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

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

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.

Little gardeners, get to know your plants! See the cycle of a plant from its birth to adulthood, and read a bit about photosynthesis too.

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

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

You have over 600 muscles in your body! Kids can try this muscle anatomy word search featuring 14 important muscles.

Get familiar with this food chain pyramid, from carnivores and herbivores to producers and decomposers; each group has a role.