Grade 3 Science Worksheets
425 worksheetsGrade 3 Science Patterns From Data Worksheet with Short Notes (Printable PDF)
Learning Objectives
- Understand how data organization reveals patterns.
- Learn to interpret tables and graphs for comparisons.
- Connect patterns in data to reasoning and explanations.
Also included in: Grade 3 Science Lesson Bundle | Data, Models, and Evidence Activities +1 more
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Grade 3 Design Problem Statement Worksheet | Practice & PDF
Learning Objectives
- Identify the parts of a simple design problem statement: a real need or want, the situation, the goal, and success criteria.
- Distinguish between describing what must change (goal and success) and choosing specific materials or exact measurements.
- Create and evaluate clear design problem statements using plain, targeted language.
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Science Grade 3 Human Body System
Learning Objectives
- Identify key human body parts and their jobs in simple terms
- Match body parts to functions shown in a labeled diagram
- Answer questions about how systems work together in the body
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Stem Transport Science Worksheet for Grade 3 | Ontario Standards
Learning Objectives
- Describe the anatomy of plant stems and their role in supporting growth and resource distribution.
- Explain how water moves through xylem via transpiration pull and how sugars are transported in phloem.
- Differentiate between herbaceous and woody stems and understand vessel arrangement and secondary growth.
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Grade 3 Science | Body Structures Worksheet with Short Notes (Printable PDF)
Learning Objectives
- Identify common external and internal structures of plants and animals.
- Understand the roles of different body parts in survival, growth, and reproduction.
- Recognize structural diversity among organisms using models and drawings.
Also included in: Grade 3 Science NGSS Unit | From Molecules to Organisms Bundle +1 more
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Science Grade 3 Sound & Vibrations
Learning Objectives
- Identify solids, liquids, and gases from everyday examples
- Match each matter state to its properties
- Sort items by state of matter and label diagrams
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Connection Details Science Worksheet for Grade 3 | Ontario Standards
Learning Objectives
- Understand different types of connections used in structures.
- Learn how connection methods influence strength and stability.
- Identify common fasteners and their functions.
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Grade 3 Landform Processes Worksheet | NGSS Practice PDF
Learning Objectives
- Identify how weathering, erosion, and deposition change landforms over time.
- Explain how water, wind, and ice can move soil and sediment to create features like valleys, stream channels, deltas, and hills.
- Use maps, photos, and simple models to connect observable landform changes to surface processes.
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Grade 3 Science | Testable Questions Worksheet with Short Notes (Printable PDF)
Learning Objectives
- Understand what makes a question testable and connected to evidence.
- Identify observations that relate to scientific questions.
- Learn how to select relevant evidence to support a question.
Also included in: Grade 3 Science Lesson Bundle | Data, Models, and Evidence Activities +1 more
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Formation Processes Worksheet | Science | Grade 3 | Ontario Standards
Learning Objectives
- Understand how soil forms through weathering, deposition, and organic matter accumulation.
- Identify the roles of organisms such as earthworms, fungi, and microbes in soil formation.
- Explain the influence of climate, slope, and time on soil development.
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Grade 3 Science Design Principles Worksheet with Short Notes PDF
Learning Objectives
- Understand the key considerations in planning and evaluating simple structures.
- Identify common failure modes in structural design.
- Use basic evaluation strategies to compare stresses and material properties.
Also included in: Grade 3 Science Basic Structures & Materials Worksheet Bundle | Ontario +1 more
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Grade 3 Science Connection Details Worksheet with Short Notes | PDF
Learning Objectives
- Understand different types of connection methods in structures and their effects on stability.
- Identify the materials and fasteners used in various connections.
- Analyze how connection design influences stress distribution and failure mechanisms.
Also included in: Grade 3 Science Basic Structures & Materials Worksheet Bundle | Ontario +1 more
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Grade 3 Science Material Durability Worksheet with Short Notes | PDF
Learning Objectives
- Understand environmental factors affecting material performance in structures.
- Identify causes and consequences of material decay over time.
- Learn about protective treatments and maintenance for durability.
Also included in: Grade 3 Science Basic Structures & Materials Worksheet Bundle | Ontario +1 more
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Grade 3 Science Load Path Analysis Worksheet with Short Notes (Printable PDF)
Learning Objectives
- Understand how forces travel through structural systems from points of application to supports.
- Identify how trusses, beams, and columns distribute forces such as axial forces, bending moments, and shear.
- Explain the concept of supports and foundations accepting combined loads.
Also included in: Grade 3 Science Basic Structures & Materials Worksheet Bundle | Ontario +1 more
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Grade 3 Science | Material Properties Worksheet with Short Notes (Printable PDF)
Learning Objectives
- Compare common construction materials and their properties related to strength and stability.
- Identify how environmental factors affect different materials over time.
- Understand trade-offs in choosing materials based on weight, durability, and cost.
Also included in: Grade 3 Science Basic Structures & Materials Worksheet Bundle | Ontario +1 more
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Grade 3 Science | Forces on Structures Worksheet with Short Notes(Printable PDF)
Learning Objectives
- Understand the different types of forces acting on simple structures.
- Identify load types such as dead loads and live loads.
- Relate forces like tension, compression, bending, and shear to structural elements.
Also included in: Grade 3 Science Basic Structures & Materials Worksheet Bundle | Ontario +1 more
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Soil Components Grade 3 Science Worksheet | Ontario Standards
Learning Objectives
- Identify the main components that make up soil: mineral particles, organic matter, water, and air.
- Understand the differences between sand, silt, and clay particles and how they affect soil properties.
- Explain how particle sizes influence soil drainage, water retention, and suitability for plants.
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Material Properties and Structural Trade-Offs Worksheets Grade 3
Learning Objectives
- Compare common building materials using density, stiffness, and strength properties.
- Explain how brittleness, corrosion resistance, and load type affect structural stability.
- Choose suitable materials for a simple construction scenario based on trade-offs.
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Material Properties Worksheet for Grade 3 Science | Ontario Framework
Learning Objectives
- Understand the basic properties of common construction materials such as wood, steel, concrete, and polymers.
- Recognize how material properties influence construction choices related to strength and durability.
- Compare materials based on density, stiffness, tensile and compressive strength, brittleness, and corrosion resistance.
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Grade 3 Science | Landform Processes Worksheet with Short Notes (Printable PDF)
Learning Objectives
- Identify different surface processes such as weathering, erosion, and deposition.
- Describe how water, wind, and ice shape local landforms like valleys, deltas, and hills.
- Understand the impact of surface processes on landscape change over time.
Also included in: Grade 3 Science | Earth's Systems Unit Bundle (NGSS-Aligned Worksheets) +1 more
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Grade 3 Science | Life Cycle Diversity Worksheet with Short Notes(Printable PDF)
Learning Objectives
- Compare and describe life cycle patterns of annuals, biennials, perennials, and woody plants.
- Identify key stages such as germination, flowering, seed set, and dormancy strategies.
- Explain seed banking and environmental cues that trigger plant development.
Also included in: Grade 3 Science Lesson Group | Ontario STEM Worksheets Bundle Transport & Plants +1 more
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Grade 3 Animal Body Structures Worksheet | NGSS Practice PDF
Learning Objectives
- Explain how animal body structures help them survive in their environments.
- Identify how body coverings, limbs, and other protective features support movement and safety.
- Use evidence from short texts to describe the main idea about adaptations.
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Grade 3 Sorting by Evidence Worksheet | General Practice PDF
Learning Objectives
- Use multiple properties (mass/volume, texture, and shape) to sort and describe materials more precisely.
- Explain how comparing two materials with shared and different properties strengthens evidence-based conclusions.
- Use evidence statements to decide whether they are true or false about sorting materials.
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Grade 3 Science Worksheet on Material Durability | Ontario Standards
Learning Objectives
- Understand environmental factors that affect the strength and stiffness of materials over time.
- Identify different types of material decay such as moisture damage, corrosion, and ultraviolet degradation.
- Learn how maintenance, protective treatments, and material choice influence the lifespan of structures.
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Form and Function in Living Things Worksheets Grade 3 Science
Learning Objectives
- Explain how an external or internal structure helps an organism survive and reproduce.
- Identify evidence that links structure (form) to the job it performs (function).
- Compare how different species have different structures for similar life needs.
Also included in: From Molecules to Organisms Grade 3 Science NGSS Bundle +1 more
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Grade 3 Science Formation Processes Worksheet with Short Notes (Printable PDF)
Learning Objectives
- Understand how soil forms through weathering, deposition, and organic matter accumulation.
- Identify the roles of organisms and environmental factors in soil formation.
- Explain different processes that affect soil development and variation.
Also included in: Grade 3 Science Lesson Group Worksheets | Ontario Framework +1 more
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Environmental Factors Grade 3 Science Worksheet | Ontario Standards
Learning Objectives
- Understand how soil, light, water, temperature, and nutrients affect plant growth.
- Identify human practices like crop rotation and irrigation that influence plant development.
- Explain how environmental variables impact germination, growth rate, and survival of plants.
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Grade 3 Prototype Testing Worksheet | Practice & Assessment PDF
Learning Objectives
- Explain what a prototype is and why it is tested.
- Identify evidence from testing (strength, fit, stability, and function).
- Match test observations to the intended goal of the design.
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Grade 3 Reasoning With Models Worksheet | Practice & General PDF
Learning Objectives
- Explain how scientific models represent ideas that are hard to see, measure, or predict
- Use models to describe relationships and cause-and-effect connections
- Choose evidence and observations that best support or improve a model
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Plant Parts Science Worksheet Grade 3 | Ontario Standard Practice
Learning Objectives
- Identify the main parts of a plant: roots, stems, leaves, and flowers.
- Describe the functions of roots, stems, leaves, and flowers in vascular plants.
- Relate plant parts to their roles in growth, resource transfer, and reproduction.
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Human Impacts on Soil Grade 3 Science Worksheet | Ontario Standards
Learning Objectives
- Understand how human activities affect soil quality and structure.
- Identify ways to conserve soil health and reduce environmental damage.
- Recognize the connection between soil quality, water, and ecosystems.
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Grade 3 Load Path Analysis Worksheet | Ontario Use Practice PDF
Learning Objectives
- Explain how loads travel through a structural system from where they are applied to supports and foundations.
- Identify axial forces, bending moments, and shear in simple trusses, beams, and columns.
- Describe what supports and foundations do when they accept combined loads.
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Grade 3 Science Worksheet | Understanding Weathering Patterns (PDF)
Learning Objectives
- Explain how weathering slowly changes rocks and soil
- Identify patterns in weathering caused by wind, water, sunlight, and temperature changes
- Distinguish weathering from weather
Also included in: Grade 3 Weather & Earth Materials Science Lesson Bundle: General Framework +1 more
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Grade 3 Science – Shadows and Transparency Worksheet (PDF)
Learning Objectives
- Explain why shadows form when objects block light along its path
- Describe how light creates darker regions behind an object
- Compare how opaque, transparent, and translucent materials affect what we can see
Also included in: Grade 3 Science: Light, Sound & Matter Lesson Bundle for General Framework +1 more
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Grade 3 Science | Observable Classification Worksheet with Short Notes
Learning Objectives
- Understand how organisms are classified based on observable features.
- Identify different features such as body covering, leaf shape, number of legs, and seed coat type.
- Learn classification rules that are consistent and based on direct observation.
Also included in: Grade 3 Science Lesson Group | Engaging Science Worksheets & Activities +1 more
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Grade 3 Science | Simple Ecosystem Links Worksheet with Short Notes
Learning Objectives
- Understand how living things are connected in a simple ecosystem.
- Identify relationships between predators, prey, plants, and animals.
- Learn how habitats support the survival of plants and animals.
Also included in: Grade 3 Science Lesson Group | Engaging Science Worksheets & Activities +1 more
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Grade 3 Science Stewardship Practices Worksheet with Short Notes PDF
Learning Objectives
- Understand conservation approaches that help maintain soil and water health.
- Identify practices that reduce runoff, erosion, and nutrient loss.
- Explain the role of buffers and reforestation in environmental stewardship.
Also included in: Grade 3 Science Lesson Group Worksheets | Ontario Framework +1 more
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Grade 3 Science | Safe Tool Use Worksheet (Practice Set) - General Standards
Learning Objectives
- Identify safe tool-use practices for measuring, joining, and shaping materials.
- Explain why using a tool for its intended purpose helps prevent accidents and improves results.
- Apply safety rules to a classroom tool-work scenario.
Also included in: Grade 3 Simple Machines Science Lesson Bundle: General +1 more
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Grade 3 Science Worksheet | Prototype Testing (PDF) - General Standards
Learning Objectives
- Explain what a prototype is and why testing is important for improving a design
- Identify key observation criteria during prototype testing: strength, fit, stability, and function
- Compare testing results to the intended goal to decide what to improve in a design
Also included in: Grade 3 Simple Machines Science Lesson Bundle: General +1 more
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Grade 3 Science | Load-Bearing Structures Worksheet (PDF) – General Standards
Learning Objectives
- Explain how engineers help structures support forces without collapsing
- Identify how shape and connections (such as triangles and cross-bracing) improve stability
- Describe how testing shows whether a structure stays aligned and resists bending
Also included in: Grade 3 Simple Machines Science Lesson Bundle: General +1 more
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Science Grade 3 Healthy Habits & Nutrition
Learning Objectives
- Match food groups and nutrients to balanced plate examples
- Identify healthy habits that support growth, movement, and body needs
- Label a balanced plate with correct portions and food choices
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Testable Evidence Worksheets | Grade 3 Scientific Inquiry Practice
Learning Objectives
- Explain why a science question must be testable and connected to evidence.
- Identify observations and measurements that can provide evidence for a question.
- Choose evidence-based results that match a testable plan.
Also included in: Grade 3 Science Worksheets Bundle | Scientific Inquiry & Evidence Claims +2 more
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Using Models to Explain Patterns Worksheets | Grade 3 Science Inquiry
Learning Objectives
- Explain how a model represents ideas that are not directly visible or are too large or small to observe.
- Use models to identify cause-and-effect relationships suggested by evidence.
- Compare what a model shows with what real observations show to decide if the model helps explain them.
Also included in: Grade 3 Science Worksheets Bundle | Scientific Inquiry & Evidence Claims +2 more
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Data Representation in Weather Science Worksheets Grade 3
Learning Objectives
- Identify different data representations such as tally tables and bar graphs.
- Interpret labels, counts, and scales in simple graphs.
- Choose an appropriate representation to show patterns in data.
Also included in: Grade 3 Science Worksheets Bundle | Scientific Inquiry & Evidence Claims +2 more
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Model Evidence Fit: Scientific Inquiry Worksheets for Grade 3
Learning Objectives
- Explain that models make predictions and evidence can support or challenge them.
- Use observed patterns to decide whether evidence fits a model’s main idea.
- Revise a model-based explanation when new evidence does not match.
Also included in: Grade 3 Science Worksheets Bundle | Scientific Inquiry & Evidence Claims +2 more
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Grade 3 Weather Patterns Worksheet | Practice & Assessment PDF
Learning Objectives
- Represent local weather observations (temperature, precipitation, and cloud cover) using simple graphs and tables
- Identify daily and seasonal patterns in weather data across weeks and months
- Interpret graphical information to describe changes in weather variability and precipitation trends
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Root Adaptations Science Worksheet for Grade 3 | Ontario Standards
Learning Objectives
- Describe different root structures such as fibrous and taproot systems and their functions.
- Explain how root hairs aid in water and nutrient absorption.
- Identify special root types like storage roots and aerial roots and their adaptations.
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Net Influence and Motion Worksheet Grade 3 Science Ontario Activity Pack
Learning Objectives
- Explain how balanced forces can result in no change in motion
- Predict whether an object will stay at rest or move, based on net influence
- Describe how a stronger pull or push can change an object's speed or direction
Also included in: Grade 3 Science Forces and Motion Lesson Bundle | Ontario +1 more
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About Grade 3 Science Worksheets
Browse 425 printable Grade 3 Science worksheets — ready-to-print PDFs with answer keys where available.
Each resource here is built by an independent educator and reviewed for quality. Worksheets print straight from PDF and suit classroom use, homework, or extra practice; most come with answer keys, and you can preview before purchasing.