Grade 4 Science Worksheets

Learning Objectives

• Understand how vibrating sources produce sound waves that transmit energy through different mediums.
• Identify factors that influence the perception of pitch and loudness in sound.
• Describe production phenomena like sustained vibrations, transient strikes, and driven oscillations.+ Show more

Learning Objectives

• Explain how slope and pitch reduce input force needed to move objects using inclined planes.
• Compare ramps and screw threads as continuous inclined planes.
• Understand the inverse relationship between angle or thread pitch and mechanical advantage.+ Show more

Learning Objectives

• Describe mechanisms of energy transfer among objects and across media.
• Explain how transferred energy causes changes in motion and temperature.
• Construct explanations linking observed motion or temperature changes to energy transfer.

Learning Objectives

• Understand how sound properties like pitch and volume are related to vibrations and energy.
• Identify factors that affect how loudly a sound is heard.
• Describe how the speed of vibrations influences the pitch of a sound.+ Show more

Learning Objectives

• Understand how gears transfer motion and force through meshing teeth.
• Explain the concept of gear ratio and its effect on speed and torque.
• Identify different gear arrangements including idler gears and compound gear trains.+ Show more

Learning Objectives

• Explain how evaporation and condensation are related to heating and cooling of water.
• Identify evidence of evaporation and condensation in everyday situations.
• Describe how matter changes between liquid and gas phases without becoming a new substance.

Learning Objectives

• Understand how smooth surfaces produce clear images through reflection.
• Differentiate between specular and diffuse reflection.
• Describe the relationship between incident and reflected rays in mirror reflection.+ Show more

Learning Objectives

• Identify how cloud cover and cloud type can provide clues about likely weather changes.
• Describe how precipitation appearance and wind or calm conditions relate to what weather may happen next.
• Use sky observations to make simple, evidence-based predictions about short-term weather.

Learning Objectives

• Understand how natural resources are used to produce energy and fuels.
• Identify environmental impacts of different energy sources.
• Compare fossil fuels and renewable energy sources.+ Show more

Learning Objectives

• Understand the purpose of testing in problem-solving and design.
• Learn how to record and analyze testing results clearly.
• Identify patterns and make improvements based on testing outcomes.+ Show more

Learning Objectives

• Explain the difference between criteria for success and constraints in an engineering design problem.
• Identify criteria and constraints in a real-world design scenario.
• Use criteria and constraints to decide what design changes are needed after testing.

Learning Objectives

• Describe how sedimentary rocks form through weathering, erosion, transport, deposition, compaction, and cementation.
• Differentiate between clastic, chemical, and organic sedimentary rocks using sandstone, limestone, and coal as examples.
• Explain how features like grain sorting, bedding, and fossils record past environments such as rivers, beaches, and shallow seas.+ Show more

Learning Objectives

• Describe the major types of soil: sand, silt, clay, and loam.
• Explain how particle size affects water retention, permeability, and aeration.
• Identify how organic material improves soil structure and fertility.+ Show more

Learning Objectives

• Understand how water, ice, and wind cause erosion and deposition to shape landscapes.
• Describe different landforms created by erosion and deposition, such as valleys, deltas, and moraines.
• Explain processes like river incision, sediment transport, glacial carving, and coastal erosion.+ Show more

Learning Objectives

• Describe how rock materials change among igneous, sedimentary, and metamorphic rocks in the rock cycle
• Explain key processes in the rock cycle, including melting and cooling, weathering and erosion, transport, compaction and cementation, and heat and pressure
• Use examples such as lava cooling to basalt and sediment forming sandstone to trace repeating pathways over geologic time

Learning Objectives

• Describe the processes involved in the rock cycle, including melting, cooling, weathering, erosion, transport, compaction, cementation, heat, and pressure.
• Identify the different types of rocks and how they transform from one form to another in the cycle.
• Explain real-world examples such as lava cooling to basalt and sediment forming sandstone to illustrate the cyclical nature of Earth's materials.+ Show more

Learning Objectives

• Identify producers, primary consumers, secondary consumers, pollinators, predators and prey, and decomposers within a community.
• Describe how energy and matter move through community roles.
• Distinguish feeding modes and trophic functions using examples from plants, insects, and fungi.

Learning Objectives

• Describe how inclined planes and screws reduce input force by increasing distance.
• Compare ramps and screw threads as continuous inclined planes and understand their mechanical advantages.
• Explain the relationship between slope, pitch, and mechanical advantage, including real-world examples.+ Show more

Learning Objectives

• Understand the basic components of wheel-and-axle systems and pulleys.
• Describe how the radius of the wheel and axle affects mechanical advantage.
• Compare fixed and movable pulleys and their uses.+ Show more

Learning Objectives

• Identify design choices that affect mechanical advantage, size, and failure modes in simple mechanisms.
• Explain how material choice, safety margins, and tolerance fit impact performance and durability.
• Use criteria such as strength, cost, and maintenance needs to evaluate and improve a mechanism design.

Learning Objectives

• Explain how pulleys transmit motion in single fixed pulleys and block-and-tackle systems
• Describe how adding pulleys changes mechanical advantage and how it affects rope distance
• Identify how linkages like four-bar linkages and crank-rocker setups control motion paths

Learning Objectives

• Explain how climate patterns differ from day-to-day weather and how long-term data helps describe climate.
• Identify factors that influence climate, including latitude, ocean proximity, and prevailing winds.
• Use climate pattern ideas to predict how ecosystems may be affected by changing water availability and seasonal timing.

Learning Objectives

• Understand the basic structure of food chains and webs in ecosystems.
• Identify producers, consumers, and decomposers in a food chain.
• Explain how energy flows from one organism to another in a food chain.+ Show more

Learning Objectives

• Identify how major internal body systems work together to support survival and growth.
• Describe the functions of the digestive, circulatory, respiratory, and reproductive systems.
• Use vocabulary from internal structures to explain how life processes continue under changing conditions.

Learning Objectives

• Understand the relationship between the Sun, Earth, and Moon and how they affect daily patterns.
• Identify how the Moon's position changes and influences its appearance from Earth.
• Explain the basic motions of Earth and the Moon and their effects on observed phenomena.+ Show more

Learning Objectives

• Understand concepts of species richness, abundance, and distribution in communities.
• Distinguish between native and introduced species.
• Explain how habitat diversity supports biodiversity.+ Show more

Learning Objectives

• Identify different physical and chemical weathering agents and their effects on rocks.
• Describe processes like freeze-thaw, abrasion, plant root wedging, oxidation, and dissolution.
• Link weathering features such as rounded boulder surfaces, pits, and rust-colored rocks to specific agents.+ Show more

Learning Objectives

• Understand how ratios of distances relate to mechanical advantage in simple mechanisms.
• Interpret force amplification and displacement trade-offs using measurements.
• Identify and differentiate units of force and rotation in mechanical systems.+ Show more

Learning Objectives

• Classify common rocks by texture and composition.
• Distinguish grain size, crystal arrangement, and layering in rocks.
• Identify igneous, sedimentary, and metamorphic rocks based on observable features.+ Show more

Learning Objectives

• Understand the stages of primary and secondary succession.
• Identify pioneer species and their characteristics.
• Explain how succession changes habitat and biodiversity over time.+ Show more

Learning Objectives

• Explain how shadows are formed by obstruction of light.
• Identify factors affecting shadow size and sharpness.
• Describe how multiple sources create complex shadow patterns.+ Show more

Learning Objectives

• Understand the process of soil formation and the factors that influence it.
• Identify different soil horizons and their characteristics.
• Explain how climate, topography, and parent rock affect soil development.+ Show more

Learning Objectives

• Identify biotic and abiotic elements in habitats.
• Explain the concept of habitat and niche with examples.
• Understand how habitat features influence species distribution.+ Show more

Learning Objectives

• Explain why scientific claims become credible when supported by evidence.
• Use scientific language to describe a claim, the evidence, and how patterns were interpreted.
• Describe how methods and uncertainties affect the trustworthiness of results.

Learning Objectives

• Identify and describe mutualism, commensalism, and parasitism
• Explain how symbiotic relationships can affect survival, reproduction, and populations
• Use evidence from examples to match terms with their correct definitions+ Show more

Learning Objectives

• Classify common rocks based on texture and composition.
• Distinguish different grain sizes, crystal arrangements, and layering.
• Identify igneous, sedimentary, and metamorphic rocks by observable features.+ Show more

Learning Objectives

• Understand the key considerations involved in mechanism design, including material choice and safety margins.
• Identify strategies for maximizing mechanical advantage and controlling failure modes.
• Analyze durability and maintenance factors for gears, pulleys, and linkages.+ Show more

Learning Objectives

• Understand how evidence supports claims through explanations.
• Learn how reasoning connects observed patterns to original observations.
• Analyze how data influences claim revisions based on evidence strength and limitations.+ Show more

Learning Objectives

• Describe how igneous rocks form from molten magma or lava.
• Differentiate between intrusive and extrusive igneous rocks based on cooling rate and crystal size.
• Explain how textures and mineral assemblages in igneous rocks record their cooling history.+ Show more

Learning Objectives

• Explain how recorded test results can guide design improvements using evidence
• Identify patterns in outcome measures when features change (surface texture, length, or support placement)
• Use data to decide what revision is likely to improve performance+ Show more

Learning Objectives

• Explain how producers, consumers, and decomposers get energy and matter in an ecosystem
• Describe how feeding relationships and nutrient recycling connect different populations
• Identify roles of organisms using evidence from their diets and their impact on matter

Learning Objectives

• Understand how gears, pulleys, levers, and linkages work together to produce specific force or motion outcomes.
• Identify design considerations like trade-offs such as torque versus speed in combined systems.
• Analyze mechanistic examples like simple winches and geared lifts to understand their functioning.+ Show more

Learning Objectives

• Explain how local pollution sources can spread through air and water or settle on land.
• Identify practical actions communities can take to reduce pollution before it harms ecosystems.
• Describe how individual and group choices support healthier habitats and protect resources.

Learning Objectives

• Explain how plant structures such as stems and leaves support growth over time
• Describe how animal structures such as skeletons and muscles enable movement as organisms develop
• Connect changes in body structures to improved survival behaviors

Learning Objectives

• Describe how sedimentary rocks form through weathering, erosion, and cementation.
• Differentiate between clastic, chemical, and organic sedimentary rocks with examples.
• Explain how features like bedding and fossil content record past environments.

Learning Objectives

• Identify how rock layers (superposition) and rock features can provide evidence about changes in Earth’s past.
• Explain how fossils and their environments help scientists infer past habitats and climate conditions.
• Use evidence from multiple layers and fossil records to support a claim about environmental change over time.

Learning Objectives

• Explain how unbalanced forces can change an object’s speed and/or direction
• Describe how friction can slow a moving object down
• Use observations of motion over time to connect net force direction to motion patterns

Learning Objectives

• Explain how scientific inquiry uses observations and questions as starting points
• Use evidence from measurements or data to support an explanation
• Describe how scientists revise ideas when new evidence does not match