Grade 4 Science Worksheets

Learning Objectives

• Describe how igneous rocks form from molten magma or lava
• Compare intrusive and extrusive igneous rocks using cooling rate and crystal size
• Explain how mineral assemblages and textures can record a rock’s cooling history+ 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 water, ice, and wind cause erosion and deposition in landscapes.
• Identify landforms created by erosion and deposition such as valleys, deltas, beaches, and moraines.
• Describe processes like river incision, sediment transport, glacial carving, and coastal erosion.+ 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

• Distinguish weather from climate by describing what each term means.
• Explain how repeated weather observations can describe a region’s climate.
• Identify and describe weather elements such as temperature, precipitation, wind, and cloud cover.+ Show more

Learning Objectives

• Explain how erosion and deposition change Earth’s surface
• Describe how water and wind move and reshape Earth materials
• Identify landforms affected by surface-change processes such as riverbanks and shorelines

Learning Objectives

• Identify different types of constraints that affect a design during problem solving.
• Explain how constraints limit possible solutions in real-world engineering situations.
• Use vocabulary such as material, dimensions, mass, operating conditions, time, and environmental safety to describe constraints.

Learning Objectives

• Explain how refining a design helps it meet success criteria while still following constraints.
• Describe how changes to parts can require revisions to an explanation of how the solution works.
• Use evidence from a science problem to support which design best matches success criteria.

Learning Objectives

• Distinguish solids, liquids, and gases by their observable properties.
• Identify how particles and movement relate to shape and volume in different states of matter.
• Use temperature-related thinking to explain why matter can change state.

Learning Objectives

• Identify the living and nonliving components of an ecosystem
• Explain how nonliving factors (sunlight, water, air, temperature, and soil) affect which organisms can survive
• Describe how living things in an ecosystem depend on one another and on nonliving conditions

Learning Objectives

• Describe the steps in sedimentary rock formation: weathering, erosion, transport, deposition, compaction, and cementation
• Differentiate clastic, chemical, and organic sedimentary rocks using sandstone, limestone, and coal
• Explain how bedding, grain sorting, and fossil content can record past environments

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 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 population size can increase or decrease over generations due to birth rate, resources, predation, and disease.
• Describe how adaptations—physical and behavioral—help individuals survive and increase the chance that their traits become more common.
• Connect numerical changes in species abundance to traits that affect survival in a changing environment.

Learning Objectives

• Identify common simple machines and match each one to its mechanical role.
• Describe how simple machines change the direction or magnitude of an input force.
• Sort simple machines into functional categories: force multipliers, distance changers, and direction changers.+ Show more

Learning Objectives

• Explain how major parts of an engineering design work together to meet success criteria and constraints.
• Describe structure-to-purpose relationships by linking a component’s function to its effect on heat transfer.
• Use evidence from a model design to identify which parts reduce melting and why.

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 Earth’s rotation causes regular changes in sunlight and darkness.
• Use vocabulary such as axis, rotate, daytime, and nighttime to describe day and night.
• Identify how locations on Earth experience sunrise and sunset at different times.

Learning Objectives

• Explain how scientific ideas (force, friction, gravity, electricity, and material properties) affect design choices.
• Use evidence from observable behavior to decide which design option will likely work better.
• Describe how complete systems (like electrical circuits) help explain why a prototype succeeds or fails.

Learning Objectives

• Explain how friction, wear, and deformation reduce a machine’s efficiency
• Distinguish ideal mechanical advantage from actual mechanical advantage
• Describe how material choice, lubrication, and surface finish affect performance and reliability

Learning Objectives

• Explain how an inclined plane increases distance to reduce the input force needed to lift an object
• Compare ramps and screw threads as continuous inclined planes and describe how pitch and angle affect mechanical advantage
• Describe how friction and contact area can limit how well an inclined plane or screw works

Learning Objectives

• Explain how observable traits help scientists classify living things into groups.
• Use multiple traits as evidence to make a classification more reliable.
• Identify examples of traits such as body shape, covering, leaf structure, and seed form.

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

• Explain how scientific communication includes stating a clear claim and connecting evidence to that claim.
• Use precise scientific language to describe methods, results, patterns, and uncertainty.
• Identify why certain methods and evidence make findings more trustworthy.

Learning Objectives

• Explain that life cycles describe repeating stages an organism goes through from one generation to the next.
• Identify and describe common life cycle stages in animals and in plants.
• Use evidence from observations (body size, shape, and needs) to infer life cycle stages.+ Show more

Learning Objectives

• Identify natural and artificial light sources and describe how they produce light
• Explain how emitted light and reflected light differ when objects are seen
• Use the idea that light travels in straight lines to predict visibility and beam behavior+ Show more

Learning Objectives

• Identify evidence that a chemical change forms a new substance with new properties
• Distinguish physical changes from chemical changes using observations and clues
• Explain why some changes cannot be undone by simply heating or cooling+ Show more

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

• 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 meshing gear teeth transmit rotational motion from one gear to another.
• Calculate or predict how gear ratio affects rotational speed and torque direction changes.
• Describe how idler gears and compound gear trains change motion in compact mechanisms.

Learning Objectives

• Explain how push and pull forces can change an object’s motion by changing speed and/or direction
• Identify force direction and strength as key factors that affect how an object moves
• Compare the effects of stronger versus weaker forces acting on the same object+ Show more

Learning Objectives

• Explain how Earth’s rotation and its position relative to the Sun relate to daily patterns of light and temperature.
• Describe how the Moon orbits Earth and why different amounts of the Moon’s sunlit side are visible.
• Use models or sky observations to connect motion in space to predictable changes we see.

Learning Objectives

• Explain how solids, liquids, and gases differ in shape and volume.
• Use everyday examples to describe how matter occupies space.
• Identify the best main idea for short science reading paragraphs.+ Show more

Learning Objectives

• Explain how conservation strategies protect, restore, and create habitats to reduce human impacts.
• Describe how protected areas, buffer zones, and habitat corridors support species survival.
• Use ecological indicators to judge whether conservation efforts are improving habitats.

Learning Objectives

• Explain how light travels in straight lines and how that creates shadows when an object blocks the light
• Predict how the size and position of a shadow change when an object moves, gets larger, or is placed closer to a surface
• Use simple straight-line reasoning to describe how the direction of incoming light affects a shadow’s orientation

Learning Objectives

• Generate multiple solution ideas for a problem using given constraints
• Compare solution ideas by considering tradeoffs related to criteria and limits
• Explain which solution best meets the original problem statement using evidence

Learning Objectives

• Explain how patterns in data tables and charts can be modeled to show relationships.
• Use simple models (diagrams, arrow models, or graphs) to make predictions from data.
• Identify where a model fits the evidence well and where it may need more data.+ Show more

Learning Objectives

• Identify how habitat loss, pollution, fragmentation, and resource extraction can affect local species
• Explain how human activities can change food chains, biodiversity, and water flow (hydrology)
• Use observable ecological indicators to describe the effects of human impacts

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

• Identify common weather measurements and the tools used to measure them (temperature, precipitation, wind, and observable conditions).
• Explain why recording weather data in numbers and categories helps scientists compare conditions over time.
• Use weather data ideas to describe patterns and possible changes in weather.

Learning Objectives

• Explain how material choice and safety margins affect the strength and reliability of a simple mechanism.
• Describe how tolerance and fit influence friction, motion, and failure risk in mechanisms with moving parts.
• Use performance criteria to balance strength, durability, maintenance needs, and cost when designing a mechanism.+ 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

• 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

• Explain how pulley systems transmit motion and can multiply force using mechanical advantage.
• Compare single fixed pulleys with block-and-tackle systems in terms of force and rope distance.
• Describe how compound pulley arrangements and linkage types control motion and produce different outcomes.+ Show more

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 evidence helps make a scientific claim more convincing
• Identify types of evidence, such as observations and measurements
• Describe how scientists respond when evidence conflicts with an explanation+ Show more

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

• Explain how community composition changes over time during primary and secondary succession
• Describe traits of pioneer species and how they help new ecosystems begin
• Identify how soil development and species interactions affect resource availability and biodiversity