Grade 3 Science Worksheets

Learning Objectives

• Identify observable properties of materials such as color, texture, size, and shape.
• Compare two material samples based on their properties.
• Understand how materials respond to light and touch.+ Show more

Learning Objectives

• Describe the structure and function of stem tissues involved in water and nutrient transport.
• Explain how xylem and phloem work to support plant growth and resource distribution.
• Compare herbaceous and woody stems in terms of structure and growth features.+ Show more

Learning Objectives

• Understand the different stages in an organism's life cycle.
• Identify key features and needs of organisms at each stage.
• Describe how growth and development change an organism over time.+ Show more

Learning Objectives

• Understand how organisms interact and cooperate for survival.
• Identify examples of group behaviors like fighting for resources and defending against predators.
• Explain how sharing resources and cooperation increase survival chances.+ Show more

Learning Objectives

• Understand how heating and cooling cause observable phase changes in water.
• Identify examples of melting, freezing, evaporation, and condensation.
• Describe how the same material can appear in different states.+ Show more

Learning Objectives

• Understand the steps of the water cycle and how water changes form.
• Identify the processes of evaporation, condensation, and precipitation.
• Explain how water moves between air, clouds, and ground.+ Show more

Learning Objectives

• Understand how vibration speed affects the pitch of sound.
• Identify the relationship between vibration strength and loudness.
• Explain how vibrations relate to perceived sound characteristics.+ Show more

Learning Objectives

• Understand that sound is produced by vibrations.
• Identify different sources of sound that involve vibrations.
• Explain how vibrations travel through a medium to produce sound.+ Show more

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.+ Show more

Learning Objectives

• Understand how different properties can be used to sort and describe materials.
• Identify and compare properties such as mass, volume, texture, and shape.
• Use evidence to distinguish between different materials in everyday contexts.+ Show more

Learning Objectives

• Understand the steps involved in the engineering design process.
• Identify the importance of defining problems and proposing solutions.
• Recognize how asking questions and considering constraints aid in designing.+ Show more

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.+ Show more

Learning Objectives

• Understand how data organization reveals patterns.
• Learn to interpret tables and graphs for comparisons.
• Connect patterns in data to reasoning and explanations.+ Show more

Learning Objectives

• Describe observable weather conditions such as temperature, precipitation, and wind.
• Compare weather patterns across different days.
• Identify how weather factors affect daily life.+ Show more

Learning Objectives

• Understand different ways to organize and represent data, such as drawings, tables, and graphs.
• Identify patterns and relationships within data displays like bar graphs and tally tables.
• Create simple data representations with accuracy and appropriate labels.+ Show more

Learning Objectives

• Understand how evidence strengthens scientific explanations and claims.
• Identify different types of evidence used to support claims.
• Connect specific results to reasoning statements through evidence.+ Show more

Learning Objectives

• Understand the stages of a plant's life cycle from seed to adult.
• Identify the importance of water, air, and light in plant growth.
• Describe how adult plants produce seeds to continue the cycle.+ Show more

Learning Objectives

• Understand the basic types of simple machines and their functions.
• Identify examples of levers, pulleys, inclined planes, wheels and axles, wedges, and screws.
• Explain how simple machines make work easier by changing force or direction.+ Show more

Learning Objectives

• Understand how organisms change as they grow.
• Identify the different needs of young and adult organisms.
• Describe how size, structures, and behaviors relate to survival needs.+ Show more

Learning Objectives

• Identify different design solutions that reduce weather-related hazards.
• Make reasoned claims about the effectiveness of hazard mitigation strategies.
• Use observational evidence and models to compare hazard mitigation options.+ Show more

Learning Objectives

• Identify and define design criteria and constraints for projects.
• Articulate measurable functions and success measures.
• Recognize limits such as material availability, cost, size, and time.+ Show more

Learning Objectives

• Understand different types of structural forms such as arches, beams, and frames.
• Identify how shape, span, and connection types affect the strength and stability of structures.
• Learn vocabulary related to compression, bending, and load distribution in structures.+ Show more

Learning Objectives

• Understand what weathering is and how it changes Earth materials over time.
• Identify different environmental factors that cause weathering.
• Distinguish between weathering and weather.+ Show more

Learning Objectives

• Understand how models represent ideas that are not directly visible.
• Identify different types of models like diagrams, physical representations, and drawings.
• Explain how models show relationships and cause-and-effect connections.+ Show more

Learning Objectives

• Understand how simple forces cause objects to vibrate.
• Learn how vibrations produce sound and how sound travels through media.
• Identify different types of forces and their effects on objects.+ Show more

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.+ Show more

Learning Objectives

• Understand different state changes of matter when heating or cooling.
• Identify features that indicate whether a sample is solid, liquid, or gas.
• Describe the processes of melting, freezing, evaporation, and condensation.+ Show more

Learning Objectives

• Describe different root structures, including fibrous and taproot systems.
• Explain plant adaptations such as root hairs, mycorrhizal associations, and storage roots.
• Analyze how root architecture influences water and nutrient uptake and plant stability.+ Show more

Learning Objectives

• Understand how models are evaluated by comparing evidence to their main ideas.
• Learn how observed results support or challenge scientific explanations.
• Explore examples of model testing, such as shadow shapes and light sources.+ Show more

Learning Objectives

• Understand the different layers of soil called horizons.
• Recognize features that indicate horizon development.
• Describe how landscape and vegetation affect soil layers.+ Show more

Learning Objectives

• Understand how test results provide evidence for improving designs.
• Learn how small adjustments can change performance in measurable ways.
• Identify different types of design changes such as shape, support, and materials.+ Show more

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.+ Show more

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.+ Show more

Learning Objectives

• Understand methods for describing and recording how objects move using units like metres and seconds.
• Explain the concepts of distance and elapsed time as key measures of motion.
• Compare the speeds of different objects using simple numerical statements.+ Show more

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.+ Show more

Learning Objectives

• Identify and describe the structure of roots, stems, leaves, and flowers in plants.
• Explain the functions of plant organs in growth, resource absorption, and reproduction.
• Relate plant organ characteristics to their roles in plant survival and reproduction.+ Show more

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.+ Show more

Learning Objectives

• Understand how predators and prey depend on each other within an ecosystem.
• Identify the effects of changes in prey populations on predator survival.
• Explain the relationship between habitat conditions, food sources, and animal survival.+ Show more

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.+ Show more

Learning Objectives

• Understand the main stages of metamorphosis in animals.
• Identify the characteristics of each stage in a life cycle.
• Explain how stage changes help animals meet their needs.+ Show more

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.+ Show more

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.+ Show more

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.+ Show more

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.+ Show more

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).+ Show more

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.+ Show more

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.+ Show more

Learning Objectives

• Understand the concepts of balanced and unbalanced forces on objects.
• Predict whether an object will stay at rest or change motion based on forces applied.
• Learn how net influence determines motion or stillness.+ Show more