Grade 4 Science Worksheets

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

• Identify the roles of system components such as a source, mechanism, and control in a simple technological system
• Explain how energy moves through a system and how component properties affect function
• Use system-thinking vocabulary (input, output, control, connector) to describe how a system achieves a goal

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 mass describes the amount of matter in an object and how it can be compared
• Describe temperature as a measure of how hot or cold something is and relate it to energy transfer
• Use mass and temperature together to better understand everyday changes in matter

Learning Objectives

• Explain that gravity is a force that pulls objects toward Earth.
• Describe how gravity affects the motion of objects when they are released or supported.
• Identify everyday examples of gravity influencing speed and resting positions.

Learning Objectives

• Explain how forces can change an object’s motion, including starting, slowing, and changing direction.
• Distinguish between contact forces (pushes and pulls) and describe the role of strength and direction.
• Use evidence from a scenario to identify what force is happening and predict the effect on motion.

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

• Identify producers, consumers, and decomposers in a food chain or food web.
• Explain how energy moves through food chains using arrows.
• Describe how food webs show interdependence and why removing a link can affect many organisms.

Learning Objectives

• Explain how flowing water, wind, and ice can break down and move Earth materials
• Identify how erosion changes landforms over time by transporting material to new locations
• Recognize evidence of erosion such as worn edges and exposed layers

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

• 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 why repeated observations and measurements increase confidence in scientific conclusions.
• Identify patterns that remain similar across trials and describe how variation can still be normal.
• Use trial data to distinguish likely patterns from random outcomes.

Learning Objectives

• Explain how models use evidence-based patterns to support scientific predictions
• Make specific predictions using relationships shown in a model
• Evaluate how observations and measurements can confirm or improve a model+ Show more

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

• 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

• Identify how water, ice, wind, and vegetation contribute to weathering and erosion.
• Match specific weathering agents to the landforms they commonly create.
• Compare relative rates of sediment transport and landscape change in different conditions.

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

• Explain how human activities can affect Earth systems (land, water, air, and living things).
• Describe solution strategies that reduce harmful impacts, such as reducing waste and preventing contamination.
• Apply cause-and-effect reasoning to predict how certain actions can lessen pollution and protect ecosystems.

Learning Objectives

• Describe how long-term climate patterns differ from day-to-day weather.
• Identify factors that influence temperature and precipitation in different regions.
• Compare regions using common climate characteristics such as average temperature and seasonal change.+ Show more

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

• 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

• 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

• Describe how wind erosion moves and removes fine particles from exposed land.
• Explain how moving water erodes land during storms by carrying soil and reshaping streambanks and slopes.
• Compare solutions that reduce wind erosion with solutions that manage water flow and impact.

Learning Objectives

• Describe how external plant structures help plants obtain resources and survive.
• Explain how leaf adaptations support gas exchange and reduce water loss.
• Identify roles of roots, seeds, and pods in plant survival and growth.+ Show more

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

• Describe evaporation as a liquid changing into a gas when liquid particles escape into the air.
• Explain condensation as a gas changing into a liquid when it cools on a surface.
• Relate evaporation and condensation to everyday observations like puddles drying and water drops forming on cold objects.+ Show more

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 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

• 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

• Explain that energy can change form in devices while following the conservation of energy
• Identify input and output energy forms in common examples such as batteries, motors, and bulbs
• Describe common energy losses as heat and how efficiency affects what you observe

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

• 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

• Compare life-cycle stages in different organisms by using observable features.
• Distinguish complete metamorphosis from gradual development using stage changes.
• Explain how each life-cycle stage meets different survival needs such as movement, food, and body covering.+ Show more

Learning Objectives

• Explain how predator-prey relationships can change population sizes over time
• Describe how competition for limited resources can affect growth rates and survival
• Identify mutual relationships and use population evidence to infer ecosystem connections

Learning Objectives

• Explain how energy moves through an ecosystem using producers and consumers in a food chain.
• Use arrows to describe feeding relationships in a food chain.
• Predict how changes in one organism population can affect other organisms connected by feeding relationships.

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

• Identify the basic survival needs of living things, including water, air/gases, food (energy), and suitable conditions like temperature and shelter.
• Explain how limited resources affect an organism’s behavior, growth, or stress level.
• Use evidence from a text to determine main ideas and to answer questions about survival needs.

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

• 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 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

• 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 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

• 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.