95 Free Science Worksheets for Kids in Grades K–5

Free science worksheets can take the pressure off planning while still keeping kids curious and learning.

From life cycles and space to human anatomy and weather, these printable activities are easy to use and work well across different ages and interests.

Whether you’re filling gaps in a homeschool day or just need something educational and low-key, there’s plenty here for kids in kindergarten through 5th grade.

**This post may contain affiliate links. As an Amazon Associate and a participant in other affiliate programs, I earn a commission on qualifying purchases.**

Free Life Science Worksheets

Have fun learning about the body with these printable activities, perfect for kids in kindergarten through 5th grade. They include both human body systems and animal anatomy worksheets to support hands-on, visual learning.

Human Body

These printable anatomy worksheets cover major body systems with activities like labeling diagrams, word searches, and simple crosswords.

• Start with these human body systems worksheets to introduce basic anatomy in a simple, visual way.
• Review major organs and systems with a human body systems crossword puzzle.
• Use the body systems word search for a fun, low-prep vocabulary activity.
• The skeletal system labeling worksheet helps kids learn the major bones.
• Identify glands and hormones with the endocrine system worksheet.
• Teach immune system basics using the lymphatic system labeling worksheet.
• Try the muscular system worksheet to reinforce how muscles work in the body.
• The circulatory system worksheet focuses on the heart, blood flow, and vessels.
• Help kids visualize digestion with the label the digestive system worksheet.
• Learn about breathing and lung function with the label the respiratory system worksheet.
• Wrap it up with the nervous system labeling worksheet for a basic brain and spinal cord diagram.

Animal Anatomy

These printable worksheets focus on the body parts of different animals, helping kids learn through labeling and simple diagram-based activities.

• The parts of an ant worksheet introduce insect anatomy in a simple, visual way.
• Learn about flight and body structure with the parts of a bat worksheet.
• The parts of a bee worksheet highlights key features like wings, stingers, and antennae.
• Use the parts of a butterfly coloring sheet to explore symmetry and wing design.
• The parts of a caterpillar worksheet help explain insect development.
• Label common features with the body parts of a chicken worksheet.
• Explore ocean life using the label the parts of a crab worksheet.

• The label the parts of a frog printable introduces basic amphibian anatomy.
• Try the groundhog body parts worksheet to highlight animals that hibernate.
• Use the label the jellyfish worksheet to study soft-bodied sea creatures.
• The parts of a ladybug coloring page focus on the beetle’s body structure.
• Help kids identify cold-weather features with the parts of a penguin worksheet.
• Explore arctic adaptations with the label the parts of a polar bear worksheet.
• The parts of a rabbit worksheet reinforces features of common mammals.
• Use the label the reindeer worksheet for a fun look at seasonal animals.
• Teach sea reptile anatomy with the parts of a sea turtle coloring sheet.
• The parts of a shark coloring sheet introduces basic fish anatomy.
• Learn about arachnids with the parts of a spider coloring page.
• The parts of a turkey printable is a great tie-in for seasonal or holiday-themed learning.

Looking for simpler activities? Browse our free science worksheets for preschoolers.

Life Cycles

These printable life cycle worksheets help kids understand how animals and plants grow and change, using simple diagrams and coloring life cycle activities.

• The life cycle of an ant worksheet shows how ants develop from egg to adult.
• Learn about mammals with the life cycle of a bat worksheet.
• The bee life cycle printable includes key stages with simple illustrations.
• Reinforce sequencing with the bee life cycle coloring page.
• Use the stages of a butterfly life cycle worksheet to teach metamorphosis.
• The life cycle of a butterfly coloring sheet adds a creative review option.
• Explore growth in birds with the life cycle of a chicken worksheet.
• The chicken life cycle coloring page provides a visual companion.
• Try the free crab life cycle worksheet to teach aquatic life development.
• The life cycle of a frog worksheet focuses on amphibian transformation.
• Use the frog life cycle coloring page for a more hands-on approach.

• Teach bird migration and development with the life cycle of a goose PDF.
• The life cycle of a groundhog printable highlights hibernating mammals.
• Explore nocturnal creatures using the hedgehog life cycle worksheet.
• The ladybug life cycle worksheet reinforces insect growth stages.
• Use the ladybug life cycle coloring page to review vocabulary visually.
• The life cycle of a penguin worksheet focuses on cold-weather animals.
• Teach arctic species with the polar bear life cycle worksheet.
• The life cycle of a rabbit worksheet covers common mammal development.
• Learn about seasonal animals using the life cycle of a reindeer worksheet.
• Use the sea turtle life cycle worksheet to explore marine biology.
• The sea turtle life cycle coloring page offers a simple visual follow-up.
• Teach about arachnids using the spider life cycle worksheet.
• The life cycle of a turkey worksheet is great for seasonal science.

Pair these worksheets with our favorite science books for homeschooling.

Animal Worksheets

These printable worksheets introduce kids to different types of animals, helping them learn to compare features, identify species, and build early classification skills.

• Use the types of bats worksheet to explore flying mammals and their unique traits.
• Learn about habitats and adaptations with the types of bears worksheet.
• The types of butterfly worksheet is a great way to compare patterns and wing shapes.
• Practice observation skills with the bird identification worksheet.
• Explore nocturnal predators using the types of owls worksheet.
• Learn about marine life and their features with the types of shark species worksheet.
• The different types of spiders worksheet helps reinforce key arachnid differences.
• Use the different types of snake worksheet to compare scales, habitats, and movement styles.
• Compare cold-weather birds with the types of penguins worksheet.

Astronomy

These printable space-themed activities help kids explore the moon, planets, and what it might be like to travel in space.

• The phases of the moon activity sheet walks through each lunar phase with simple visuals.
• Reinforce vocabulary with the phases of the moon word search.
• Use the planet coloring pages to introduce kids to the solar system.
• The planet matching game helps build recognition and memory.
• Practice space terms with the planets word search.

• Introduce younger learners to space with the Pre-K space worksheets.
• The astronaut coloring sheets add a creative option for early learners.
• Use the if I were an astronaut worksheet to spark imagination and writing skills.
• Add the printable scientific method worksheet for a basic introduction to how scientists explore space.

Need something more structured? Explore our top picks for free elementary science curriculum.

Earth Science

These Earth science worksheets help kids understand how our planet works, from weather and water cycles to rocks, plants, and environmental awareness.

• Use the weather worksheets for kindergarten to introduce basic weather patterns.
• Try the weather memory match game to reinforce weather vocabulary.
• The water cycle worksheets explain evaporation, condensation, and precipitation.
• Add a creative touch with the water cycle coloring sheet.
• Teach geology basics using the rock cycle worksheets.
• Explore different textures and types with the types of rocks worksheet.

• Use the rock cycle coloring page as a visual follow-up to the lesson.
• The life cycle of a plant worksheet shows how plants grow from seed to flower.
• Label parts with the free printable parts of a plant worksheet.
• Use the plant life cycle coloring page to support early science skills.
• Learn seasonal changes with the life cycle of a pumpkin worksheet.
• The pumpkin life cycle coloring page adds a fun autumn activity.
• Explore root vegetables with the life cycle of a carrot coloring page.
• Celebrate the environment using the Earth Day memory game.
• Encourage outdoor learning with the environmental scavenger hunt printable.
• Use the free Earth Day color pages to spark creativity and conversation.
• Teach about trees with the Christmas tree life cycle printable.
• Reinforce the lesson with the life cycle of a Christmas tree coloring sheet.
• Label features with the parts of a Christmas tree free printable.
• Explore fruit growth using the parts of an apple coloring page.
• Finish with the parts of a pumpkin worksheet to review plant anatomy.

Add a game to your lesson plan with our free science scattergories printable.

Seasonal

These themed science activities are a fun way to keep learning going during the holidays, using seasonal topics to reinforce key concepts.

• The Halloween science worksheet adds a spooky twist to simple experiments or observations.
• Use the Thanksgiving science worksheet to explore seasonal changes, food science, or animal behaviors tied to fall.

Last Updated on 16 May 2025 by Clare Brown