Grade 3 Science Worksheets

418 worksheets
Grade 3 Science – Combining Forces Worksheet with Short Notes (Printable PDF)

Grade 3 Science – Combining Forces Worksheet with Short Notes (Printable PDF)

Meadowlark WorksheetsCreated byMeadowlark Worksheets
ScienceGrade 3

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.
$3.00
Grade 3 Science Forces Defined Worksheet with Short Notes (Printable PDF)

Grade 3 Science Forces Defined Worksheet with Short Notes (Printable PDF)

Meadowlark WorksheetsCreated byMeadowlark Worksheets
ScienceGrade 3

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).
$3.00
Grade 3 Science Water And Growth Worksheet with Short Notes (Printable PDF)

Grade 3 Science Water And Growth Worksheet with Short Notes (Printable PDF)

Meadowlark WorksheetsCreated byMeadowlark Worksheets
ScienceGrade 3

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.
$3.00
Grade 3 Science | Friction Effects Worksheet with Short Notes (Printable PDF)

Grade 3 Science | Friction Effects Worksheet with Short Notes (Printable PDF)

Meadowlark WorksheetsCreated byMeadowlark Worksheets
ScienceGrade 3

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.
$3.00
Grade 3 Science | Inclined Motion Worksheet with Short Notes (Printable PDF)

Grade 3 Science | Inclined Motion Worksheet with Short Notes (Printable PDF)

Meadowlark WorksheetsCreated byMeadowlark Worksheets
ScienceGrade 3

Learning Objectives

  • Understand how inclined surfaces influence an object's tendency to move.
  • Differentiate between gentle and steep inclines and their effects on motion.
  • Identify factors, such as slope angle, that affect speed in inclined motion.
$3.00
Grade 3 Science | Weather Patterns Worksheet with Short Notes (Printable PDF)

Grade 3 Science | Weather Patterns Worksheet with Short Notes (Printable PDF)

Meadowlark WorksheetsCreated byMeadowlark Worksheets
ScienceGrade 3

Learning Objectives

  • Understand how daily and seasonal weather patterns can be represented using graphs and tables.
  • Interpret graphical data to identify patterns in temperature, precipitation, and cloud cover.
  • Relate observed weather trends to phenomena such as Earth's tilt and sunlight angle.
$3.00
Soil Components Grade 3 Science Worksheet | Ontario Standards

Soil Components Grade 3 Science Worksheet | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

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.
$2.00
Stem Transport Science Worksheet for Grade 3 | Ontario Standards

Stem Transport Science Worksheet for Grade 3 | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

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.
$2.00
Material Properties Worksheet for Grade 3 Science | Ontario Framework

Material Properties Worksheet for Grade 3 Science | Ontario Framework

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

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.
$2.00
Balance And Motion Grade 3 Science Worksheet | Ontario Standards

Balance And Motion Grade 3 Science Worksheet | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

Learning Objectives

  • Understand the concept of balanced and unbalanced influences on an object.
  • Learn how to predict whether an object will remain at rest or change motion based on combined influences.
  • Identify scenarios where equal and unequal forces affect an object's movement.
$2.00
Soil Horizons Science Worksheet | Grade 3 | Ontario Standards

Soil Horizons Science Worksheet | Grade 3 | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

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.
$2.00
Soil Water Movement Worksheet | Grade 3 Science Practice & Assessment

Soil Water Movement Worksheet | Grade 3 Science Practice & Assessment

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

Learning Objectives

  • Understand how water moves through different soil types and landscapes.
  • Identify processes such as infiltration, percolation, capillary rise, and runoff.
  • Explain how soil texture and structure affect water distribution and drainage.
$2.00
Design Principles Worksheet for Grade 3 Science | Ontario Standards

Design Principles Worksheet for Grade 3 Science | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

Learning Objectives

  • Understand the key concepts of simple structure design, including strength and stability.
  • Identify common failure modes and ways to prevent them.
  • Evaluate design choices based on load paths, support positions, and material properties.
$2.00
Grade 3 Science Worksheet on Structural Forms | Ontario Standards

Grade 3 Science Worksheet on Structural Forms | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

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.
$2.00
Stages of Seed Germination Worksheet | Grade 3 Science | Ontario

Stages of Seed Germination Worksheet | Grade 3 Science | Ontario

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

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.
$2.00
Measuring Motion Grade 3 Science Worksheet | Ontario Standards

Measuring Motion Grade 3 Science Worksheet | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

Learning Objectives

  • Understand how distance and time are used to describe motion.
  • Learn the importance of using consistent units like metres and seconds.
  • Compare different objects’ speeds using basic measurements.
$2.00
Human Impacts on Soil Grade 3 Science Worksheet | Ontario Standards

Human Impacts on Soil Grade 3 Science Worksheet | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

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.
$2.00
Grade 3 Science Worksheet on Flower Function | Ontario Standards

Grade 3 Science Worksheet on Flower Function | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

Learning Objectives

  • Identify the main parts of a flower and their roles in reproduction.
  • Explain how pollen is produced and received for fertilization.
  • Differentiate between wind pollination and animal pollination with examples.
$2.00
Inclined Motion Science Worksheet | Ontario Grade 3 | Classroom Practice

Inclined Motion Science Worksheet | Ontario Grade 3 | Classroom Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

Learning Objectives

  • Understand how a sloped surface affects an object's tendency to move.
  • Identify how slope steepness influences speed of sliding or rolling objects.
  • Recognize the difference in motion on gentle versus steep inclines.
$2.00
Diversity of Life Cycles Grade 3 Worksheet | Ontario Science Standards

Diversity of Life Cycles Grade 3 Worksheet | Ontario Science Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

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.
$2.00
Formation Processes Worksheet | Science | Grade 3 | Ontario Standards

Formation Processes Worksheet | Science | Grade 3 | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

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.
$2.00
Forces Defined Grade 3 Science Worksheet | Ontario Standards Practice

Forces Defined Grade 3 Science Worksheet | Ontario Standards Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

Learning Objectives

  • Understand that force is a push or pull that can change an object's speed or direction.
  • Identify real-life examples of forces such as pushing a toy car or opening a door.
  • Distinguish between contact and non-contact forces in simple terms.
$2.00
Environmental Factors Grade 3 Science Worksheet | Ontario Standards

Environmental Factors Grade 3 Science Worksheet | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

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.
$2.00
Predictive Reasoning Worksheet for Grade 3 Science | Ontario Standards

Predictive Reasoning Worksheet for Grade 3 Science | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

Learning Objectives

  • Understand how increasing influences affect outcomes.
  • Recognize how surface inclines alter the speed of objects.
  • Predict effects when multiple influences are applied simultaneously.
$2.00
Connection Details Science Worksheet for Grade 3 | Ontario Standards

Connection Details Science Worksheet for Grade 3 | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

Learning Objectives

  • Understand different types of connections used in structures.
  • Learn how connection methods influence strength and stability.
  • Identify common fasteners and their functions.
$2.00
Grade 3 Science Worksheet on Stewardship Practices | Ontario Standards

Grade 3 Science Worksheet on Stewardship Practices | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

Learning Objectives

  • Understand conservation practices that help sustain soil health and fertility.
  • Identify urban and rural measures to protect groundwater and reduce contamination.
  • Recognize the role of vegetation and land management in conservation efforts.
$2.00
Combining Forces Grade 3 Science Worksheet | Ontario Standards

Combining Forces Grade 3 Science Worksheet | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

Learning Objectives

  • Understand how multiple forces can combine to produce a net effect on an object.
  • Identify scenarios where forces add, oppose, or dominate each other.
  • Apply cause-and-effect reasoning to determine the result of combined forces.
$2.00
Seed Dispersal Strategies Worksheet | Ontario Grade 3 Science Printable PDF

Seed Dispersal Strategies Worksheet | Ontario Grade 3 Science Printable PDF

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

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.
$2.00
Friction Effects Grade 3 Science Worksheet | Ontario Standards

Friction Effects Grade 3 Science Worksheet | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

Learning Objectives

  • Explain what resistive forces are and how they oppose motion across surfaces.
  • Describe how surface texture and material pairings influence ease of movement.
  • Identify real-world examples showing the effects of different surfaces on friction.
$2.00
Speed Comparison Worksheet | Ontario Grade 3 Science Practice PDF

Speed Comparison Worksheet | Ontario Grade 3 Science Practice PDF

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

Learning Objectives

  • Understand how to compare the motion of objects based on distance and time.
  • Distinguish between steady-speed motion and changing-speed motion using visual and numerical summaries.
  • Use ratios and relative language to express which object is faster.
$2.00
Grade 3 Science Load Path Analysis Worksheet and Answer Key PDF

Grade 3 Science Load Path Analysis Worksheet and Answer Key PDF

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

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 loads, bending moments, and shear.
  • Explain the importance of clear load paths for maintaining stability under different conditions.
$2.00
Forces on Structures Worksheet for Grade 3 Science Ontario

Forces on Structures Worksheet for Grade 3 Science Ontario

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

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.
$2.00
Plant Parts Science Worksheet Grade 3 | Ontario Standard Practice

Plant Parts Science Worksheet Grade 3 | Ontario Standard Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

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.
$2.00
Root Adaptations Science Worksheet for Grade 3 | Ontario Standards

Root Adaptations Science Worksheet for Grade 3 | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 3

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.
$2.00

About Grade 3 Science Worksheets

Browse 418 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.