Grade 3 Science Worksheets
525 worksheetsGrade 3 Forces On Structures Worksheet | Ontario Practice PDF
Learning Objectives
- Identify common types of loads on structures, including dead loads, live loads, and different ways forces can act (point and distributed).
- Describe how internal forces such as compression, tension, bending, and shear relate to everyday parts like beams, columns, and arches.
- Explain how different loads can change a structure’s stability and influence design choices such as supports.
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Weather and Climate Mini Book Set for Grade 3 Science
Learning Objectives
- Identify weather and climate as topics in Earth science
- Explore weather-related concepts through a mini book resource
- Recognise weather and climate as Grade 3 science topics
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Animal Traits and Survival Worksheets | Grade 3 Science
Learning Objectives
- Identify animal traits that can help organisms survive.
- Explain how animal characteristics relate to environmental conditions.
- Describe how traits can support survival in nature.
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Weather Around the World Mini Book Set | Grade 3 Science
Learning Objectives
- Identify weather as a topic in Earth science
- Explore weather around the world
- Recognize weather as part of the natural world
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Engineering Design Solutions Mini Book Set for Grade 3 Science
Learning Objectives
- Explore the process of generating engineering design solutions
- Identify the importance of developing possible design solutions
- Compare different design solutions
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Weather Hazard Solutions Mini Book Set | Grade 3 Science
Learning Objectives
- Identify weather hazards that can affect people and communities
- Explain why weather hazards can create problems for people
- Explore possible solutions to problems caused by weather hazards
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Seasonal Weather Patterns Mini Book Set | Grade 3 Science
Learning Objectives
- Identify seasonal weather patterns as part of Earth's weather.
- Describe how weather changes across the seasons.
- Recognize seasonal changes as patterns in the natural world.
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Engineering Problems Mini Book Set | Grade 3 Science Activities
Learning Objectives
- Recognise engineering problems in a science learning context
- Identify engineering as part of science and problem solving
- Explore engineering problems through a mini book resource
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Reading Weather Data Mini Book Set | Grade 3 Science Worksheets
Learning Objectives
- Explore the topic of reading weather data
- Recognize weather data as a focus of science study
- Connect weather data with Grade 3 Earth science instruction
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Planning Fair Tests Science Mini Book Set for Grade 3
Learning Objectives
- Explain why fair testing matters in scientific investigations
- Identify the importance of planning a scientific test
- Describe how fair tests support meaningful investigation results
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Evaluating Engineering Designs Worksheets and Mini Books for Grade 3 Science
Learning Objectives
- Identify the purpose of evaluating an engineering design
- Explain why engineers evaluate proposed design solutions
- Describe the role of evaluation in the engineering design process
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Balanced and Unbalanced Forces Mini Book Set | Grade 3 Science
Learning Objectives
- Identify the difference between balanced and unbalanced forces
- Describe how balanced forces affect an object's motion
- Explain how unbalanced forces relate to changes in motion
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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 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 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 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 | 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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Grade 3 Science Forces Defined Worksheet with Short Notes (Printable PDF)
Learning Objectives
- Understand the concept of force as a push or pull.
- Identify examples of forces in everyday life.
- Learn that force has both direction and strength (magnitude).
Also included in: Grade 3 Science Lesson Group | Ontario Forces and Motion Worksheets Bundle +1 more
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Grade 3 Science | Form and Function Worksheet with Short Notes (Printable PDF)
Learning Objectives
- Identify how specific structures in plants and animals support their life processes.
- Understand the link between form and function through examples in nature.
- Compare different species to observe variations in structures related to survival.
Also included in: Grade 3 Science NGSS Unit | From Molecules to Organisms Bundle +1 more
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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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Grade 3 Science Rocks And Soil Worksheet with Short Notes (Printable PDF)
Learning Objectives
- Compare and contrast rocks and soil based on appearance and behavior.
- Identify different characteristics of rocks and soil, such as texture, size, and composition.
- Understand how rocks and soil respond to pressure and can be separated or shaped.
Also included in: Grade 3 Science Lesson Group | Weather, Water Cycle, and More +1 more
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Grade 3 Safe Tool Use Worksheet | General Practice PDF
Learning Objectives
- Explain why safe tool use helps prevent injuries and protects materials.
- Identify safe workspace behaviors and correct tool handling practices.
- Use safety rules to choose appropriate actions when building or measuring.
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Stages of Seed Germination Worksheet | Grade 3 Science | Ontario
Learning Objectives
- Describe the major stages involved in seed germination, including imbibition, radicle emergence, and seedling development.
- Explain the role of seed reserves and how they support early plant growth.
- Identify environmental requirements such as moisture, temperature, and oxygen necessary for successful germination.
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Grade 3 Science Water And Growth Worksheet with Short Notes (Printable PDF)
Learning Objectives
- Understand how soil properties affect water retention, drainage, and aeration in plant growth.
- Identify differences among loam, clay, and sandy soils and their suitability for plants.
- Learn about pore size, soil structure, and their impact on water movement and oxygen supply to roots.
Also included in: Grade 3 Science Lesson Group Worksheets | Ontario Framework +1 more
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Grade 3 Net Forces and Directional Motion Science Worksheet Ontario
Learning Objectives
- Explain how forces combine to create a net effect on an object’s motion
- Use directional arrows and qualitative magnitude words (stronger/weaker) to predict net direction
- Identify when forces add, reduce, or cancel each other
Also included in: Grade 3 Science Forces and Motion Lesson Bundle | Ontario +1 more
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Grade 3 Science | Comparing Solutions Worksheet with Short Notes (Printable PDF)
Learning Objectives
- Understand how to generate and compare simple solutions using models and measurements.
- Evaluate different options to meet specific criteria and constraints.
- Identify advantages and trade-offs of various solutions in practical contexts.
Also included in: Grade 3 Science NGSS Engineering Design Unit | Classroom Worksheets & Activities +1 more
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Grade 3 Science | Balanced Forces Worksheet with Short Notes (Printable PDF)
Learning Objectives
- Understand how balanced forces produce no change in an object's motion.
- Recognize examples of balanced and unbalanced forces in everyday life.
- Explain how unbalanced forces cause objects to start, stop, or change direction.
Also included in: Grade 3 Science NGSS Unit | Motion and Stability: Forces & Interactions +1 more
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Soil Horizons Science Worksheet | Grade 3 | Ontario Standards
Learning Objectives
- Understand the different layers, or horizons, of soil and their characteristics.
- Identify how processes like leaching and accumulation shape soil horizons.
- Recognize how landscape position affects soil development and fertility.
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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 Seed To Adult Worksheet | Practice & Review PDF
Learning Objectives
- Describe the stages of a plant life cycle from seed to adult plant.
- Explain how water, air, and light help plants grow during different stages.
- Identify why adult plants produce seeds to continue the life cycle.
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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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Motion Patterns Worksheets: Recording and Comparing Movement
Learning Objectives
- Identify the main idea in an informational passage about motion
- Select supporting details that describe observed movement
- Record and compare stopping distances from repeated trials
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Unbalanced Forces Worksheets: Grade 3 Main Idea & Details
Learning Objectives
- Identify how unbalanced forces change an object's motion.
- Distinguish examples of starting, stopping, and changing motion.
- Explain how pushes can change an object's speed or direction.
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Grade 3 Science Worksheet on Structural Forms | Ontario Standards
Learning Objectives
- Identify common structural forms such as arches, beams, and frames.
- Understand how shape, span, and connection type affect strength and stability.
- Compare the properties of compression and bending in simple structural examples.
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Grade 3 Science | Friction Effects Worksheet with Short Notes (Printable PDF)
Learning Objectives
- Explain what friction is and how it affects moving objects.
- Describe how surface texture and material influence resistance to motion.
- Identify real-world examples where friction plays an important role.
Also included in: Grade 3 Science Lesson Group | Ontario Forces and Motion Worksheets Bundle +1 more
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Grade 3 Science | Speed Comparison Worksheet with Short Notes (Printable PDF)
Learning Objectives
- Understand how to compare the motion of objects using simple data summaries.
- Distinguish between steady-speed and changing-speed motion visually and numerically.
- Use ratios and relative language to compare speeds without complex calculations.
Also included in: Grade 3 Science Lesson Group | Ontario Forces and Motion Worksheets Bundle +1 more
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Grade 3 Plant Growth Worksheet | Environmental Factors Science Ontario
Learning Objectives
- Explain how soil, light, water, temperature, and nutrients affect germination and plant growth
- Describe how soil compaction and salinity can reduce plant survival
- Use real-world examples to show how agricultural practices like crop rotation and irrigation change where plants can grow
Also included in: Plant Growth and Life Cycles Lesson Bundle – Grade 3 Science Ontario +1 more
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Forces on Structures Worksheet for Grade 3 Science Ontario
Learning Objectives
- Understand different types of loads acting on structures such as beams, columns, and arches.
- Identify internal reactions like tension, compression, bending, and shear in simple structures.
- Learn how external forces like wind pressure, snow loads, and weight affect structural stability.
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Grade 3 Environmental Factors Worksheet | Practice & Assessment PDF
Learning Objectives
- Explain how soil, light, water, temperature, and nutrients affect plant growth and survival.
- Describe how human practices (like crop rotation and irrigation) can change environmental conditions for plants.
- Use examples to connect environmental factors to germination timing, growth rates, and where plants establish.
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Grade 3 Seasonal Daylight Worksheet | Practice & Assessment PDF
Learning Objectives
- Explain how Earth’s rotation creates daily day and night cycles.
- Describe how the amount of daylight changes across the year due to changes in the Sun’s position.
- Connect seasonal changes to observable differences in day length.
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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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Growth Changes Survival Needs Worksheets for Grade 3 Science Practice
Learning Objectives
- Describe how an organism’s growth can change its survival needs.
- Explain how young animals and adult animals may require different resources.
- Identify examples of changing behaviors as organisms develop.
Also included in: Grade 3 Science Life Cycles Habitats & Classification Worksheets Bundle +2 more
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Seed Dispersal Strategies Worksheet | Ontario Grade 3 Science Printable PDF
Learning Objectives
- Describe various methods of seed dispersal such as wind, water, animals, and ballistic mechanisms.
- Explain the ecological significance of seed dispersal patterns for plant populations.
- Characterize how seed morphology and dispersal timing evolve to improve plant survival and spreading.
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Grade 3 Science – Combining Forces Worksheet with Short Notes (Printable PDF)
Learning Objectives
- Understand how multiple forces acting at the same time affect the motion of an object.
- Identify examples of forces in different directions and their effects.
- Explain how forces that act together produce different results depending on their direction and magnitude.
Also included in: Grade 3 Science Lesson Group | Ontario Forces and Motion Worksheets Bundle +1 more
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Diversity of Life Cycles Grade 3 Worksheet | Ontario Science Standards
Learning Objectives
- Compare different life cycle patterns among plants such as annuals, biennials, perennials, and woody plants.
- Describe strategies like seed banking and seasonal cues that influence plant development and survival.
- Explain how environmental factors and human land use affect reproductive timing and plant population persistence.
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Grade 3 Day Night Causes Worksheet | Practice & Review PDF
Learning Objectives
- Explain that Earth’s rotation on its axis causes day and night.
- Identify which side of Earth faces the Sun during daytime and which side faces away during nighttime.
- Describe how the daily light pattern repeats regularly because Earth keeps rotating.
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Grade 3 Science | Soil Horizons Worksheet with Short Notes (Printable PDF)
Learning Objectives
- Understand the different layers of soil called horizons.
- Recognize features that indicate horizon development.
- Describe how landscape and vegetation affect soil layers.
Also included in: Grade 3 Science Lesson Group Worksheets | Ontario Framework +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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About Grade 3 Science Worksheets
Browse 525 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.