Grade 4 Science Worksheets

Learning Objectives

• Describe the steps that form sedimentary rocks: weathering, erosion, transport, deposition, compaction, and cementation.
• Differentiate clastic, chemical, and organic sedimentary rocks using clear examples.
• Explain how grain sorting, bedding, and fossils can show past environments.+ Show more

Learning Objectives

• Explain how simple machines change the effect of a force on an object.
• Identify the effort and direction changes caused by a lever and an inclined plane.
• Use vocabulary from the lesson (effort, load, fulcrum, inclined plane) to describe simple machine examples.+ Show more

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

• Define mass and volume as measurable properties of matter.
• Use balances to compare the masses of different samples.
• Use volume units (like cubic centimeters) to compare the space an object occupies.+ Show more

Learning Objectives

• Explain how Earth’s rotation causes day and night
• Identify key observations that show day/night timing is predictable
• Use models and diagrams to describe the Sun-Earth facing sides during day and night+ Show more

Learning Objectives

• Understand how friction affects the efficiency of mechanisms.
• Identify factors that influence the reduction of energy losses in machines.
• Differentiate between ideal and actual mechanical advantage in real-world systems.+ Show more

Learning Objectives

• Explain how Earth’s rotation affects day and night.
• Describe how Earth’s position relative to the Sun supports predictable patterns of light and warmth.
• Summarize how the Moon’s orbit causes changes in the amount of its sunlit side we see.+ Show more

Learning Objectives

• Explain how light forms shadows when it travels in straight lines
• Describe how sound is made by vibrating objects and needs a medium such as air
• Predict how distance and barriers affect what you see for light and what you hear for sound+ Show more

Learning Objectives

• Explain how amplitude relates to sound volume.
• Describe how pitch relates to how fast something vibrates.
• Predict how distance changes how clearly sound can be heard.+ Show more

Learning Objectives

• Explain how Earth’s position relative to the Sun helps create day and night
• Describe how the Moon’s orbit around Earth changes which part of its sunlit side we see
• Use models and terms to compare Earth, the Sun, and the Moon

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 how soil forms from weathering of parent rock and the buildup of organic matter over time
• Describe how different horizons can form with distinct color, texture, and fertility
• Connect climate, slope, and drainage to how quickly soil develops and how deep it becomes

Learning Objectives

• Explain how the differences between mixture components help scientists choose a separation method.
• Identify when filtering is useful for separating large, undissolved particles from a liquid.
• Describe how solubility differences guide separating a dissolved substance from an undissolved one.+ Show more

Learning Objectives

• Understand how interactions among organisms affect ecosystem stability.
• Identify different types of relationships such as predation, competition, and mutualism.
• Analyze how changes in one population can influence other populations over time.+ Show more

Learning Objectives

• Explain how differences in particle size, solubility, and state-change ability determine a separation method for mixtures.
• Choose an appropriate separation approach based on mixture observations such as appearance and whether components dissolve.
• Use evidence from a scenario to justify why a particular separation method works.

Learning Objectives

• Describe how gears, pulleys, levers, and linkages work together to change force and motion
• Use torque and speed trade-offs to predict how a combined mechanism affects output motion
• Explain how interface points, direction reversals, and sequencing determine the final output+ Show more

Learning Objectives

• Describe how heat, pressure, and chemically active fluids can change a preexisting rock into metamorphic rock.
• Compare contact metamorphism and regional metamorphism by where they form and what causes them.
• Explain how recrystallization and foliation relate to textures seen in metamorphic rocks.+ Show more

Learning Objectives

• Explain why organisms are placed into groups by using observable traits as evidence.
• Use classification reasoning to compare similarities and differences between organisms.
• Describe how classifications can change when new traits or evidence are considered.

Learning Objectives

• Describe how solids, liquids, and gases change when temperature increases or decreases.
• Explain the particle ideas behind melting, freezing, evaporation, and condensation.
• Match common state-change terms to the correct temperature change.

Learning Objectives

• Explain how energy moves through an ecosystem using a food chain
• Identify producers and consumers in a food chain
• Describe how changes in one population can affect other connected populations

Learning Objectives

• Understand how traits are used to classify living organisms.
• Identify observable traits such as body shape, color, and leaf structure.
• Explain why using multiple traits improves classification accuracy.+ Show more

Learning Objectives

• Explain how recording results can show a relationship between design changes and performance.
• Identify which outcome measure increases or decreases when a feature changes.
• Use patterns in data to suggest a targeted design revision.

Learning Objectives

• Compare the stages of life cycles in different organisms by using observable features.
• Identify key differences between complete metamorphosis and gradual development.
• Explain how each life-cycle stage meets changing survival needs.

Learning Objectives

• Describe the repeating stages in an organism’s life cycle from one generation to the next.
• Identify structures that provide evidence for life cycle stages at different times in a life cycle.
• Explain how life cycle stages can differ within the same environment.

Learning Objectives

• Describe the difference between primary and secondary succession after a disturbance
• Identify how pioneer species and soil development change over time
• Explain how changing resources and species interactions affect community diversity

Learning Objectives

• Understand how forces like push and pull change an object's speed and direction.
• Identify examples of push and pull forces in everyday life.
• Explain how force strength affects the motion of objects.+ Show more

Learning Objectives

• Identify observable traits used to group living things.
• Explain why using multiple traits improves classification.
• Match classification terms to examples and definitions.+ Show more

Learning Objectives

• Describe how evaporation changes liquid water into water vapor using particles escaping into the air
• Explain how condensation happens when a gas cools and forms liquid again on cooler surfaces
• Compare evaporation and condensation by linking each to temperature changes+ Show more

Learning Objectives

• Explain how observable traits are used to group organisms
• Justify classification decisions using clear trait comparisons
• Describe how adding new evidence can change how an organism is grouped+ Show more

Learning Objectives

• Describe how the Moon’s visible shape changes over about a month
• Explain that lunar phases depend on which part of the sunlit half faces Earth
• Identify the repeating pattern of phases in the correct order+ Show more

Learning Objectives

• Identify patterns in tables and charts and describe what they suggest.
• Use a simple model (arrows, graphs, or diagrams) to show relationships between variables.
• Explain how a model can help predict outcomes and show where more evidence is needed.+ Show more

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 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 how evidence supports a claim using data from an investigation
• Connect observations to reasoning by describing patterns in results
• Revise a claim so it matches the strength and limitations of the evidence+ Show more

Learning Objectives

• Describe the major stages in the life cycle of an animal and a plant
• Explain how evidence from body size, shape, and structures can show life cycle stages
• Compare how life cycle stages meet different needs as an organism grows

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

• Explain the roles of producers, consumers, and decomposers in an ecosystem
• Describe how energy and matter move through feeding relationships and nutrient recycling
• Use ecosystem role vocabulary to predict how changes affect other organisms

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

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

• Understand the concept of food chains and how energy moves through ecosystems.
• Identify producers, consumers, and the flow of energy in food chains.
• Explain how changes in one organism can affect others in a food chain.+ Show more

Learning Objectives

• Understand how igneous rocks form from molten magma or lava.
• Distinguish between intrusive and extrusive igneous rocks based on cooling rates and crystal size.
• Learn how textures and mineral patterns record the cooling history and tectonic setting of igneous rocks.+ Show more

Learning Objectives

• Explain how straight-line light creates shadows when an object blocks it
• Identify the umbra and penumbra and describe how they form
• Predict how changing distances and source size affect shadow sharpness and length+ Show more

Learning Objectives

• Explain how population changes over time can be caused by reproduction, resource limits, predation, disease, and other environmental factors
• Describe how adaptations (physical and behavioral) help organisms survive and persist in changing environments
• Use simple numerical reasoning to connect shifts in species abundance with survival advantages and limiting factors

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 observable traits can be used to group living things into classifications.
• Use multiple traits as evidence to support a consistent classification.
• Differentiate between traits that are used for classification and changes that may happen over time or due to environment.

Learning Objectives

• Identify examples of simple machines in everyday life.
• Classify simple machines by how they change force, distance, or direction.
• Explain how levers, inclined planes, wedges, screws, wheel-and-axles, and pulleys affect an input force.

Learning Objectives

• Explain the difference between mass and volume as measurable properties of matter
• Identify appropriate units and tools used to measure mass and volume
• Compare properties across different samples, including how shape can change volume without changing mass

Learning Objectives

• Describe how energy moves through an ecosystem using a food chain.
• Identify producers and consumers and explain how they are connected in a food chain.
• Explain how changes in one population can affect other organisms in the chain.