Grade 4 Science Worksheets

Learning Objectives

• Define constraints and explain how they limit design options in science and engineering.
• Identify tradeoffs that occur when a design must meet competing needs (like strength vs. weight).
• Use clear criteria to choose a design option that best satisfies important limits.

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

• Identify the steps of a simple design problem: observe, define what needs to change, and think of solutions.
• Explain how design solutions may change shape, materials, or structure to solve an observed problem.
• Use evidence from observations to support a design explanation.

Learning Objectives

• Explain how criteria and constraints guide prototype evaluation
• Use evidence from test results to compare a prototype’s performance to stated criteria
• Identify how constraints affect which design options are possible+ Show more

Learning Objectives

• Explain how testing results provide evidence about whether a solution works as expected
• Use recorded observations to identify patterns across multiple test attempts
• Describe how testing outcomes lead to specific improvements in a design

Learning Objectives

• Define independent variable, dependent variable, and controlled (fixed) variables in a science investigation.
• Explain why keeping background conditions consistent makes experimental results more reliable.
• Identify which variable should be changed and which variables should be kept the same in an experiment plan.

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 what a habitat is and describe key habitat conditions (food, water, shelter, and living conditions).
• Describe how organisms in the same habitat depend on one another for resources.
• Use evidence from a text to identify main ideas and make correct claims about habitat relationships.

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

• 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

• Explain how sound reflection creates echoes and why the delay depends on distance to a surface.
• Describe how different surface materials affect sound absorption and reverberation.
• Use evidence to relate room geometry and surface placement to sound clarity and intelligibility.

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 external body features help animals survive in their environments.
• Connect form and function by describing how structures (beaks, fur, feathers, scales, claws, wings) support specific behaviors.
• Use evidence from text and examples to identify the main idea of animal adaptations.

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

• Explain why scientists use models to represent objects, systems, or processes that are hard to observe directly.
• Describe how models use simplified parts, patterns, or scale representations to connect evidence to explanations.
• Identify how assumptions in a model can be tested and revised using new observations.

Learning Objectives

• Explain how amplitude relates to sound volume (loudness) using simple observations.
• Describe how pitch relates to how fast an object vibrates.
• Use distance to predict how clearly a sound can be heard.

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

• Explain how a wheel-and-axle system converts rotational motion into linear motion and force changes.
• Compare fixed and movable pulley systems and describe how they affect direction and mechanical advantage.
• Describe how wheel radius and axle radius (and pulley rope segments) change mechanical advantage through force-versus-distance trade-offs.

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

• Identify the fulcrum, input arm, and output arm in common lever examples (seesaw, wheelbarrow, tweezers).
• Classify levers into first-, second-, and third-class based on fulcrum, load, and effort positions.
• Explain how input force, output force, and mechanical advantage are related to arm lengths.

Learning Objectives

• Explain how common energy sources (coal, oil, natural gas, wind, and sunlight) are derived from natural resources.
• Describe how energy production and use can affect air and water quality, habitats, and ecosystems.
• Compare trade-offs between fossil fuels and renewable energy sources in terms of pollution and resource use.+ Show more

Learning Objectives

• Explain how strings change pitch using length, tension, and mass per unit length
• Describe how wind instruments change pitch using effective air-column length and opening patterns
• Connect percussion pitch and tone to size, tension, and material stiffness+ Show more

Learning Objectives

• Explain how waves can carry information by changing amplitude, frequency, timing, and the presence or absence of pulses
• Identify how signals can be encoded, transmitted, detected, and decoded using wave patterns
• Compare how signal clarity and interference risks can differ across air, water, and optical fibers

Learning Objectives

• Identify amplitude and wavelength in common wave examples such as water waves, vibrating strings, and a slinky
• Use displacement–position ideas to interpret simple patterns and graphs
• Compare waves by relating changes in amplitude and wavelength to observed motion

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 a science/engineering problem by stating what needs to be solved and how success will be measured.
• List realistic constraints (such as materials, cost, and size) for a design challenge.
• Use criteria and constraints to choose an achievable goal before generating a solution.

Learning Objectives

• Compare multiple design solutions using clear criteria and constraints.
• Collect and use measurements such as distance, speed, and stability to judge solutions.
• Choose the best solution (or combination) for refinement based on evidence.

Learning Objectives

• Plan a fair test by changing only one variable at a time while keeping other conditions the same.
• Collect and record quantitative results during trials using measurements such as load, time, and displacement.
• Interpret test outcomes to identify failure modes and decide what design change to make next.+ Show more

Learning Objectives

• Identify how sedimentary rock layers form and what they can reveal about Earth’s past.
• Explain how fossils and their vertical position in strata help scientists interpret time and past environments.
• Use ideas like correlation, unconformities, and cross-cutting relationships to reconstruct a sequence of geologic events.

Learning Objectives

• Interpret topographic maps by using contour lines and elevation gradients to describe changes in terrain
• Identify drainage patterns and depositional zones by analyzing river networks and landforms on maps or images
• Match map symbols and scale information to real-world features shown in aerial or satellite views+ Show more

Learning Objectives

• Describe how inclined planes and screw threads can reduce required input force by increasing distance.
• Explain the relationship between ramp angle or thread pitch and mechanical advantage.
• Give real-world examples of inclined planes and screws and discuss how friction limits their effectiveness.

Learning Objectives

• Explain what species richness, relative abundance, and distribution mean in a community
• Describe how evenness and habitat heterogeneity can increase biodiversity
• Differentiate native and introduced species and discuss how management history can affect communities

Learning Objectives

• Identify community roles such as producers, primary consumers, secondary consumers, decomposers, pollinators, predators, and prey.
• Explain how energy and matter move through a community using trophic functions and feeding modes.
• Describe how decomposers recycle nutrients to help habitats stay stable and resilient.

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

• Identify how human activities change local habitats through land conversion, pollution, habitat fragmentation, and resource extraction.
• Describe how habitat changes can reduce biodiversity and disrupt food chains and ecological processes.
• Use observable ecological indicators (such as habitat area, water quality, and species presence) to explain environmental impacts.

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 distance ratios and gear tooth counts can predict output motion in simple machines.
• Use measurement units to relate force, distance, and rotation when reasoning about mechanical advantage.
• Interpret experimental results and describe reasons why real machines may differ from ideal predictions.

Learning Objectives

• Explain how rock layers can preserve evidence from Earth’s past environments.
• Describe how fossils and sediment or layering patterns help scientists infer environmental change over time.
• Use observable features of rocks (layer position and fossil type) to support a claim about the past.

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

• Explain how choosing consistent measurement methods and units improves the usefulness of data.
• Identify the responding variable in a claim and select what should be recorded each trial.
• Use clear criteria to record observations so data from multiple trials can be compared.

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

• 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 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

• Explain how mixtures can be classified by whether components are evenly spread or stay distinct.
• Describe how physical properties (size, solubility, and evaporation) help separate mixture components.
• Use evidence from observations to choose an appropriate separation method for a given mixture.

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

• Describe the different stages in the life cycle of plants and animals.
• Identify evidence that shows how organisms change over their life cycle.
• Understand that life cycle stages can vary even in similar environments.+ Show more

Learning Objectives

• Understand the importance of consistent measurement methods in data collection.
• Identify appropriate units and criteria for recording observations.
• Recognize the responding variable in an experiment to ensure data accuracy.+ 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