Grade 4 Science Worksheets

Learning Objectives

• Identify how food, water, oxygen, and suitable temperatures support growth and development over time
• Explain how unmet needs can delay or stunt growth
• Describe how habitat features can affect growth in some organisms

Learning Objectives

• Explain how energy and matter move among the atmosphere, hydrosphere, geosphere, and biosphere.
• Describe how changes in one Earth system can affect other systems and local weather.
• Use evidence from a passage to identify main ideas and interpret cause-and-effect relationships.

Learning Objectives

• Understand the stages of complete and gradual metamorphosis in different organisms.
• Identify observable features across different stages of life cycles.
• Compare how organisms' body coverings, movement, and food sources change during development.+ Show more

Learning Objectives

• Explain what behavioral adaptations are and how they help organisms survive and reproduce.
• Identify examples of behavioral adaptations such as migration, hibernation, shelter building, camouflage stillness, and alertness.
• Describe how behavioral traits can change with an organism’s environment and life-cycle stage.+ Show more

Learning Objectives

• Understand how friction, wear, and deformation reduce the efficiency of mechanisms.
• Distinguish between ideal and actual mechanical advantage.
• Identify factors such as material choices, lubrication, and surface finish that influence performance.+ Show more

Learning Objectives

• Explain how energy comes from natural resources and how the process affects land, air, and water
• Identify ways energy choices can improve or harm the environment
• Use evidence from simple texts to describe energy-resource impacts

Learning Objectives

• Identify different functional roles within a community, such as producers, consumers, decomposers, pollinators, predators, and prey.
• Explain how energy and matter move through community roles and the importance of each role for habitat stability.
• Distinguish among feeding modes and trophic levels, giving local examples of plants, insects, and fungi.

Learning Objectives

• Describe how sound speed changes as it moves through solids, liquids, and gases
• Explain how reflections at boundaries can reduce clarity of sound
• Use temperature and medium properties to predict how sound propagation may change

Learning Objectives

• Explain how evidence (data and observations) can support a scientific claim.
• Use reasoning to connect patterns in results to observations and predicted outcomes.
• Revise an explanation using what the evidence shows and noting the evidence’s limits.

Learning Objectives

• Understand the concept of species richness and relative abundance within communities.
• Distinguish between native and introduced species in an ecosystem.
• Explain how habitat heterogeneity influences biodiversity levels.+ Show more

Learning Objectives

• Explain how water, ice, and wind cause erosion and how deposited sediment builds landforms over time
• Describe key processes in rivers, deltas, glaciers, coasts, and how sediment moves and settles
• Use evidence from landforms to understand past environmental processes+ Show more

Learning Objectives

• Explain how reproductive structures protect embryos and help offspring survive early development
• Describe how plant seeds, fruits, roots, and leaves support reproduction and early growth
• Identify protective structures in animal reproduction and connect them to survival and life cycles+ Show more

Learning Objectives

• Understand how recorded test results can show relationships between design changes and performance.
• Learn to identify patterns in test data to determine causes of failure.
• Apply evidence-based refinement to improve design outcomes.+ Show more

Learning Objectives

• Identify amplitude as the maximum displacement of a wave from its rest position
• Determine wavelength as the distance between successive crests on a wave diagram
• Use displacement-versus-position graphs to describe how changing amplitude or wavelength affects wave patterns+ Show more

Learning Objectives

• Explain how light interacts with transparent, translucent, and opaque materials.
• Describe how surface and bulk properties affect color, intensity, and heat transfer.
• Use the ideas of transmission, absorption, and scattering to predict everyday phenomena.

Learning Objectives

• Explain how tables, charts, and graphs help organize data and show relationships between variables.
• Identify patterns (such as trends) in data representations and connect them to the question being investigated.
• Choose appropriate representations for measurements and interpret what the data show.

Learning Objectives

• Explain how deposition happens when moving water or wind loses energy
• Describe how deposited sediments can change the shape of landforms over time
• Compare two places using differences in sediment thickness to infer how materials accumulated+ Show more

Learning Objectives

• Explain how data representations (charts, graphs, and tables) help people understand patterns in data.
• Identify variables and describe how they relate in a visual display.
• Use evidence from a representation to make a claim about trends.

Learning Objectives

• Explain how mixtures can have components that remain distinct or become evenly spread.
• Describe how separation methods use physical property differences such as solubility, size, or evaporation.
• Identify examples of separation techniques and match them to the properties they use.+ Show more

Learning Objectives

• Identify mutualism, commensalism, and parasitism from short scenarios
• Explain how symbiotic relationships can affect survival and reproduction in a community
• Use evidence from a passage to describe how organisms benefit, are unaffected, or are harmed

Learning Objectives

• Explain how land conversion, pollution, habitat fragmentation, and resource extraction can change habitats.
• Describe how human impacts can affect food chains, biodiversity, and population viability.
• Identify observable ecological indicators of habitat change in local urban, agricultural, and shoreline examples.+ Show more

Learning Objectives

• Understand how wheel-and-axle systems convert rotational motion into linear force.
• Identify the differences between fixed and movable pulleys.
• Explain how the sizes of wheel and axle affect mechanical advantage.+ Show more

Learning Objectives

• Identify and describe biotic and abiotic elements of habitats.
• Explain the concepts of habitat, niche, and how structural features support species distribution.
• Distinguish between habitat and niche with examples such as pond edge and canopy.+ Show more

Learning Objectives

• Identify common forms of energy (light, heat, sound, and electrical energy) and describe how each can affect matter.
• Explain how energy can transfer from one object to another and change form.
• Use evidence from real-world examples to support predictions about energy-related changes.

Learning Objectives

• Explain how criteria and constraints guide prototype evaluation
• Compare prototype features to criteria while considering constraints
• Use evaluation results to narrow design options

Learning Objectives

• Identify physical weathering agents and describe how they break rocks into smaller pieces.
• Describe chemical weathering processes such as oxidation and dissolution and their effects on rock.
• Explain how environmental conditions and rock type affect weathering rates and outcomes.

Learning Objectives

• Explain how animal senses (vision, hearing, smell, touch, and taste) help gather information from the environment
• Describe how sensory information is processed by the nervous system to produce behavioral responses
• Use examples to connect sensory input to actions that improve survival

Learning Objectives

• Identify and distinguish the major types of soil: sand, silt, clay, and loam.
• Understand how particle size affects water retention, permeability, and aeration in soils.
• Recognize practical examples of different soil types and their uses in agriculture and construction.+ Show more

Learning Objectives

• Understand different ways materials can combine and how they can be separated.
• Identify physical properties used to separate mixtures, such as size, solubility, and evaporation.
• Describe methods to recover parts of a mixture without changing the materials into new substances.+ Show more

Learning Objectives

• Understand how observations lead to identifying design problems.
• Learn how to connect real issues to possible solutions.
• Recognize different ways to modify shapes, materials, or structures in design.+ Show more

Learning Objectives

• Understand the natural forces that cause erosion, such as water, wind, and ice.
• Identify examples of erosion in landscapes and environments.
• Describe how erosion shapes Earth's surface over time.+ Show more

Learning Objectives

• Explain how straight-line light creates shadows when an object blocks it
• Describe the difference between umbra (full shadow) and penumbra (partial shadow)
• Predict how shadow sharpness changes with the size of the light source

Learning Objectives

• Explain how deposition happens when transporting forces slow down
• Describe how flowing water and wind deposit sediments in different places
• Use sediment thickness to infer how landforms can change over time

Learning Objectives

• Explain how combining gears, pulleys, levers, and linkages changes force, speed, and direction in a system.
• Identify interface points and sequencing in a combined mechanism that produce a desired output.
• Describe common design trade-offs in integrated mechanisms, such as torque versus speed and simplicity versus complexity.

Learning Objectives

• Explain the difference between weather and longer-term climate by using examples from observations.
• Identify common weather variables such as temperature, precipitation, wind, and cloud cover.
• Interpret weather patterns by comparing data across days, weeks, and seasons.+ Show more

Learning Objectives

• Explain how structural adaptations help organisms survive in specific environments
• Identify examples of structural adaptations and match them to their functions
• Use evidence from an informational text to determine main ideas

Learning Objectives

• Explain how collisions transfer energy and change motion.
• Use evidence to describe cause and effect in an energy transfer story.
• Connect changes in speed or direction to the way energy moves between objects.

Learning Objectives

• Identify biotic and abiotic habitat components and explain how each affects living things.
• Describe how shelter, food, water, space, and light help determine where organisms live.
• Explain the difference between habitat and niche using simple examples (pond edge vs. canopy).+ Show more

Learning Objectives

• Describe how light interacts with transparent, translucent, and opaque materials
• Explain how surface and bulk properties affect colour, brightness, and heating
• Use optical behaviour to interpret everyday examples such as filters, pigments, clouds, and haze

Learning Objectives

• Describe how energy moves through a food chain from producers to consumers and decomposers.
• Use arrows to show trophic relationships in a simple pond food chain and explain what each role does.
• Explain how a food web has multiple feeding connections and why removing one link can affect many species.

Learning Objectives

• Describe how smooth surfaces create mirror images using the relationship between incident and reflected directions.
• Explain where a plane mirror image appears to be located and how lateral inversion affects that image.
• Compare specular and diffuse reflection and predict how surface texture changes image clarity.+ Show more

Learning Objectives

• Explain why the Moon appears to change shape over about a month
• Describe how sunlight and the Moon’s position relative to Earth affect which part of the Moon we see
• Use a simple cycle idea to predict how phases progress from one night to the next

Learning Objectives

• Identify observable evidence that could support or challenge a science claim
• Rewrite a broad claim as a testable question that can be answered with measurable information
• Explain how observations lead to hypotheses that can be tested+ Show more

Learning Objectives

• Understand how gear teeth mesh to transmit motion and change rotational speed and torque.
• Explain gear ratio concepts and their effects on output direction and speed.
• Describe the function of idler gears and gear trains in mechanical systems.+ Show more

Learning Objectives

• Explain how scientific principles (force, friction, gravity, electricity, and material properties) connect to engineering design choices.
• Use observations from prototypes to decide how to improve a design.
• Identify how a complete electrical path and material selection affect whether a device works correctly.

Learning Objectives

• Explain how energy moves from producers to consumers through a food chain.
• Identify trophic levels and describe what happens to energy at each feeding step.
• Use evidence from a passage to determine main ideas about energy flow.

Learning Objectives

• Explain how weather describes short-term conditions in the atmosphere using temperature, precipitation, wind, and cloud cover.
• Identify weather patterns by comparing observations across days and weeks.
• Use weather data to distinguish typical variation from longer-term trends.+ Show more

Learning Objectives

• Understand the different roles organisms play in an ecosystem.
• Identify producers, consumers, and decomposers and their functions.
• Recognize feeding relationships and nutrient recycling in ecosystems.+ Show more