Grade 3 · Science
Biology
128 free printable worksheets ready to download and print.
Subtopics
Worksheets
Animal Adaptations Worksheet
Explore how animals adapt to their environments with this Grade 3 science worksheet.
Microscope Observation Worksheet
Explore the parts of a microscope and practice observing small objects with this Grade 3 science worksheet.
Prokaryotes and Eukaryotes Worksheet
Explore the basic differences between prokaryotic and eukaryotic cells with this engaging science worksheet for 3rd graders.
Parts of Blood Worksheet
Explore the different components of blood and their functions with this engaging Grade 3 science worksheet.
Monocots and Dicots Worksheet
Explore the fascinating world of plants with this worksheet on monocots and dicots, designed for third graders. Learn about their differences in leaves, flowers, and roots.
Exploring Nekton
A worksheet for Grade 3 students to learn about nekton, including characteristics and examples of nektonic animals.
Plant Cell Labeling Worksheet
A Grade 3 science worksheet focusing on identifying and labeling the main structures of a plant cell.
Endangered Species Worksheet
A worksheet for 3rd graders to learn about endangered species, their causes, and how to help protect them.
Parts of a Leaf Worksheet
A science worksheet for Grade 3 students to learn about the different parts of a leaf and their functions.
All About Teeth!
A Grade 3 science worksheet covering the types, functions, and care of human teeth.
Plant Parts and Their Functions
A Grade 3 science worksheet focusing on identifying and understanding the functions of different plant parts.
Inherited and Acquired Traits
Explore the difference between inherited traits passed down from parents and acquired traits developed during an organism's life for Grade 3 science.
Plant Needs Worksheet
A Grade 3 Science worksheet focusing on the essential needs of plants for growth and survival, including sunlight, water, soil, and air.
Exploring Benthos: Life at the Bottom
A Grade 3 science worksheet introducing students to benthos, the organisms that live at the bottom of bodies of water, and their importance in the ecosystem.
Pollinators Worksheet
A worksheet for 3rd graders to learn about different pollinators and their importance in nature.
Food Chain Fundamentals
Explore the basics of food chains, identifying producers, consumers, and decomposers in various ecosystems.
Microscope Observation Worksheet
Explore the parts of a microscope and practice observing slides with this Grade 3 science worksheet.
Unlocking Words: Prefixes and Suffixes
Explore the fascinating world of prefixes and suffixes to understand how they change word meanings, designed for Grade 3 science.
Asexual Reproduction Basics
Explore the basics of asexual reproduction in grade 3 science, learning about how some plants and animals make copies of themselves.
All About Corn!
Explore the parts of a corn plant, its life cycle, and different uses of corn with this engaging Grade 3 science worksheet.
Microorganisms Worksheet
Explore the tiny world of microorganisms with this Grade 3 science worksheet, learning about bacteria, viruses, and fungi.
Balance in Nature
Explore the balance in nature with this Grade 3 science worksheet covering food chains, producers, consumers, and decomposers.
Living and Non-Living Things
Identify and differentiate between living and non-living things with this engaging Grade 3 science worksheet.
Plankton Power!
Explore the amazing world of plankton with this Grade 3 science worksheet, covering what plankton are, where they live, and why they are important.
Vertebrates and Invertebrates
Explore the fascinating world of animals by classifying them into vertebrates (with backbones) and invertebrates (without backbones) in this Grade 3 science worksheet.
Introduction to Animal Classification
Explore how scientists group animals based on their characteristics with this Grade 3 science worksheet on taxonomy.
Grade 3 Plant Biology Worksheet
A worksheet for 3rd graders to learn about plant parts, their functions, and the process of photosynthesis.
Amazing Animal Mimicry
Explore the fascinating world of animal mimicry with this Grade 3 science worksheet. Learn how animals pretend to be other things for survival.
Cell Analogy Worksheet
Explore the parts of a cell by comparing them to parts of a city or house in this Grade 3 science worksheet.
Plant Cell Structure Worksheet
Explore the basic parts of a plant cell with this engaging worksheet for 3rd graders. Learn about the cell wall, cell membrane, nucleus, cytoplasm, and chloroplasts.
Animal Features
Explore the diverse features of animals and how they help them survive in their environments.
All About Trees
A Grade 3 science worksheet focused on understanding the parts of a tree, their functions, and the importance of trees in our environment.
Plant Adaptations Worksheet
Explore how plants adapt to their environments with this Grade 3 science worksheet, covering topics like desert plants, water plants, and cold climate adaptations.
Living vs. Non-Living Things
Explore the characteristics that define living and non-living things with this engaging worksheet for Grade 3 science students.
Parts of a Tooth Worksheet
Explore the different parts of a human tooth with this engaging science worksheet for Grade 3 students.
Amazing Heart Worksheet
A science worksheet for Grade 3 students to learn about the human heart, its parts, and its function.
Plant and Animal Cells Worksheet
Explore the basic structures and differences between plant and animal cells with this engaging worksheet for third graders.
Exploring the Ear
A Grade 3 science worksheet to learn about the parts of the ear and how we hear.
My Amazing Body
A Grade 3 science worksheet about the human body, its parts, and their functions.
Sea Animals Worksheet
Explore the fascinating world of sea animals with this Grade 3 science worksheet, covering marine life, habitats, and characteristics.
Wild Animal Wonders
A Grade 3 science worksheet to learn about the characteristics, habitats, and behaviors of wild animals.
Dichotomous Key Explorer
Explore how to use dichotomous keys to identify different organisms based on their characteristics.
Dolphin Discovery Worksheet
Explore the amazing world of dolphins with this Grade 3 science worksheet covering their characteristics, habitat, and behaviors.
Chloroplast Explorer
Explore the amazing world of chloroplasts and their role in plant life with this engaging worksheet for Grade 3 science students.
All About Spiders!
Explore the fascinating world of spiders with this Grade 3 science worksheet, covering their anatomy, characteristics, and habitats.
Echinoderm Explorers Worksheet
Explore the fascinating world of echinoderms with this Grade 3 science worksheet focusing on their characteristics, habitats, and examples.
All About Ants!
Explore the fascinating world of ants with this Grade 3 science worksheet, covering their anatomy, habitat, and social structure.
Fossils Fun!
Explore the exciting world of fossils with this grade 3 science worksheet, learning how they form and what they tell us about the past.
Marine Animals Worksheet
Explore the fascinating world of marine animals with this Grade 3 science worksheet, covering habitats, characteristics, and common marine life.
Grade 3 Ecology Worksheet
An engaging ecology worksheet for 3rd graders covering food chains, habitats, and environmental care.
Grade 3 Life Cycles Worksheet
Explore the fascinating life cycles of animals and plants with this engaging worksheet for 3rd graders.
All About Mammals
Explore the fascinating world of mammals with this engaging worksheet for third graders, covering their characteristics, habitats, and diverse examples.
Microscope Exploration
Explore the parts of a microscope and how it helps us see tiny things.
Microscope Parts Worksheet
Identify and learn the different parts of a microscope with this engaging worksheet for 3rd graders.
Digestive System Exploration
A Grade 3 science worksheet focusing on the human digestive system, its parts, and functions.
Animal Classification Fun!
Explore how scientists group different animals based on their characteristics with this fun Grade 3 science worksheet.
Living Together: Species Coexistence
Explore how different species live and interact in the same environment, focusing on symbiotic relationships, competition, and predation for Grade 3 science.
Animal Body Coverings Worksheet
Explore different types of animal body coverings and their functions for Grade 3 science.
Characteristics of Life Worksheet
A worksheet for Grade 3 students to learn about the characteristics of living and non-living things.
Exploring Seed Structure
A Grade 3 science worksheet to explore the different parts of a seed and their functions.
Exploring Animal Cells
A Grade 3 science worksheet to learn about the basic parts and functions of an animal cell.
Arthropod Exploration!
A Grade 3 science worksheet to explore the characteristics and examples of arthropods.
Flower Anatomy Worksheet
A worksheet for 3rd graders to learn about the parts of a flower and their functions.
Grade 3 Animal Anatomy Worksheet
Explore the basic anatomy of different animals with this worksheet for 3rd graders.
Invertebrate Animals Worksheet
Explore the fascinating world of invertebrate animals with this worksheet for third graders, covering their characteristics and examples.
Plant Kingdom Explorer
A Grade 3 science worksheet focusing on the plant kingdom, including parts of a plant, their functions, and basic plant needs.
Producers and Consumers in Ecosystems
Explore the roles of producers and consumers in an ecosystem with this Grade 3 science worksheet.
My Amazing Body Worksheet
A Grade 3 Science worksheet focusing on identifying and understanding the functions of different human body parts.
All About Bones
An engaging worksheet for 3rd graders to learn about the human skeletal system and the function of bones.
All About Fruits!
A Grade 3 Science worksheet exploring different types of fruits, their characteristics, and their importance.
Parts of the Face Worksheet
A Grade 3 Science worksheet to identify and understand the function of different parts of the human face.
Predator-Prey Relationships
Explore the fascinating world of predator-prey relationships in ecosystems with this Grade 3 science worksheet.
Predation in Nature
Explore the concepts of predators and prey, and how they interact in different ecosystems.
Exploring the Cell Membrane
A worksheet for 3rd graders to learn about the basic functions and structure of the cell membrane.
Introduction to Cell Organelles
Explore the basic parts of plant and animal cells and their functions with this engaging worksheet for 3rd graders.
All About Apples!
Explore the different parts of an apple with this Grade 3 science worksheet, covering vocabulary and functions.
Plant Structure and Function
Explore the different parts of a plant and understand their functions with this engaging worksheet for third graders.
Plant Structure Worksheet
A worksheet for 3rd graders to learn about the different parts of a plant and their functions.
Animal Communication Worksheet
Explore how different animals communicate with each other and their environment in this Grade 3 science worksheet.
Parts and Use Science Worksheet
A Grade 3 science worksheet focusing on identifying parts of plants and animals and understanding their functions.
Ecosystem Interactions Worksheet
Explore the fascinating world of ecosystems and how living things interact with each other and their environment.
Manatee Worksheet
A science worksheet for 3rd graders to learn about manatees, their diet, habitat, and characteristics.
All About Horses
This worksheet introduces third-grade students to the basic biology and characteristics of horses.
Prefixes and Suffixes Worksheet
A worksheet for Grade 3 students to practice identifying and understanding prefixes and suffixes.
Introduction to Cells
A worksheet for 3rd graders to learn about basic cell theory, identifying plant and animal cells, and their main parts.
Endangered Animals Worksheet
A Grade 3 science worksheet to learn about endangered animals, their habitats, and why their populations are declining.
Plant Anatomy Worksheet
A Grade 3 science worksheet focusing on the basic parts of a plant and their functions.
Grade 3 Skeleton Worksheet
A science worksheet for Grade 3 students to learn about the human skeleton, its parts, and functions.
Exploring Fungi
A Grade 3 science worksheet to learn about different types of fungi, their characteristics, and their role in nature.
Exploring Parts of a Tree
A science worksheet for Grade 3 students to learn about the different parts of a tree and their functions.
Leaf Anatomy Worksheet
Explore the basic parts of a leaf and their functions with this interactive Grade 3 science worksheet.
All About Pollination
A worksheet for Grade 3 students to learn about the process of pollination, its importance, and the animals involved.
Introduction to Heredity
Explore the basics of heredity, learning how traits are passed from parents to children.
Grade 3 Body Systems Worksheet
Explore the amazing human body with this worksheet covering basic body systems for Grade 3 science students.
Grade 3 Orientation Worksheet
A science worksheet for Grade 3 students to learn about orientation, cardinal directions, and using a compass.
Seed Parts Worksheet
A worksheet for 3rd graders to learn about the different parts of a seed and their functions.
Great White Shark Worksheet
A science worksheet for Grade 3 students to learn about Great White Sharks, their characteristics, habitat, and diet.
Germs and You!
A third-grade science worksheet about germs, how they spread, and how to prevent their spread.
All About Orcas!
A science worksheet for Grade 3 students to learn about orcas, their characteristics, habitat, and diet.
Biotic Factors in Ecosystems
Explore biotic factors and their roles in different ecosystems for Grade 3 science.
Joints and Movement Worksheet
Explore the human body's joints and how they allow us to move with this Grade 3 science worksheet.
Mold Growth Exploration
A Grade 3 science worksheet to explore the conditions necessary for mold growth and its characteristics.
Organism Characteristics Worksheet
A Grade 3 Science worksheet to help students understand and identify characteristics of living and non-living organisms.
Animal Homes Worksheet
Explore different types of animal homes and the animals that live in them with this Grade 3 science worksheet.
The Digestive System Worksheet
A worksheet for Grade 3 students to learn about the human digestive system, including its parts and functions.
Visual Perception Worksheet
Explore how our eyes and brain work together to see the world around us with this Grade 3 science worksheet.
Stimulus and Response
Explore how living things react to changes in their environment with this Grade 3 Science worksheet on stimulus and response.
Seed Germination Worksheet
Explore the process of seed germination with this third-grade science worksheet, covering essential needs and stages.
All About Jellyfish!
Explore the amazing world of jellyfish with this fun and educational worksheet for 3rd graders.
Parts of Plants We Eat
A Grade 3 science worksheet focusing on identifying and classifying edible plant parts, including roots, stems, leaves, flowers, fruits, and seeds.
Producers and Consumers in Our World
Explore the roles of producers and consumers in ecosystems with this Grade 3 science worksheet.
All About Sharks!
Explore the amazing world of sharks with this fun and educational worksheet for 3rd graders. Learn about their characteristics, habitats, and what makes them unique ocean creatures.
All About the Brain
A science worksheet for Grade 3 students to learn about the human brain, its parts, and its functions.
Plant Systems Worksheet
Explore the fascinating world of plant systems with this grade 3 science worksheet, covering plant parts, their functions, and the plant life cycle.
Seashells Exploration Worksheet
Explore the fascinating world of seashells with this worksheet for Grade 3 students. Learn about where they come from, what they are made of, and their different shapes.
All About Squids!
A science worksheet for Grade 3 students to learn about the fascinating ocean creature, the squid.
Living Kingdoms Exploration
Explore the five kingdoms of living things with this engaging worksheet for 3rd graders.
Grade 3 Biology Principles Worksheet
This worksheet introduces third-grade students to basic biology principles, including living vs. non-living things, plant and animal cells, and life cycles.
Animal Hibernation Worksheet
A science worksheet for Grade 3 students to learn about animal hibernation, why animals hibernate, and common hibernating animals.
Movement at Joints
Explore different types of joints in the human body and how they help us move, designed for Grade 3 science students.
Ecosystem Services Worksheet
Explore the concept of ecosystem services and how nature helps us, for Grade 3 Science.
All About Amphibians
A worksheet for 3rd graders to learn about amphibians, their characteristics, and their life cycle.
Ocean Animals Worksheet
Explore the fascinating world of ocean animals with this Grade 3 science worksheet, covering habitats, characteristics, and adaptations.
Abiotic Factors Worksheet
Explore abiotic factors like sunlight, water, air, and soil and their importance to living things at a Grade 3 level.
Sea Creatures Worksheet
Explore the fascinating world of sea creatures with this Grade 3 science worksheet, covering marine animal facts, habitats, and characteristics.
Body Mapping Basics
A Grade 3 science worksheet to introduce students to the major parts of the human body and their locations.
Photosynthesis Fun!
Explore the amazing process of photosynthesis with this fun and educational worksheet for third graders.
Exploring the Parts of an Egg
A Grade 3 science worksheet to learn and identify the different parts of a bird's egg.