4th - 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.

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.

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.

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

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!

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.

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.

Give students an opportunity to model how genes are passed down to offspring with the help of this Punnett squares worksheet!

Help young scientists understand the different types of organism interactions with this life science worksheet!

Students are introduced to the different types of symbiotic relationships that exist in ecosystems in this life science worksheet.

Students take a deep dive into the structure of animal cells in this middle grades life science worksheet!

Explore the difference between natural and artificial selection with this engaging life science worksheet for middle grades!

Encourage students to take a deeper dive into the structure of plant cells in this middle grades life science worksheet!

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

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.