Grade 6 Science Worksheets

Learning Objectives

• Understand how human activities such as land-use change, fossil fuel combustion, agriculture, and waste management impact biogeochemical cycles and ecosystems.
• Identify examples of environmental effects caused by human alterations and analyze their causal links.
• Explain the effects of human impacts on climate drivers and ecosystem structure at different spatial and temporal scales.+ Show more

Learning Objectives

• Understand the structure and function of the heart in the circulatory system.
• Identify the different types of blood vessels and their roles.
• Explain how blood transports oxygen, nutrients, and wastes throughout the body.+ Show more

Learning Objectives

• Understand how species occurrence and richness reveal biodiversity patterns across different ecosystems.
• Analyze comparisons of island faunas, latitudinal gradients, and habitat heterogeneity to interpret biodiversity variation.
• Explain how ecological and historical factors like habitat fragmentation and colonization influence species distribution.

Learning Objectives

• Understand the processes by which populations diverge into new species through adaptation and reproductive isolation.
• Identify different types of evidence that support theories of speciation, such as morphology and biogeographic patterns.
• Analyze how geographic, behavioral, and genetic factors contribute to lineage splitting in populations.

Learning Objectives

• Understand how fossil occurrences and stratigraphy reveal patterns of life's history.
• Identify morphological transitions in the fossil record, such as fish to tetrapod evolution.
• Explain methods like relative and radiometric dating used to determine fossil ages.+ Show more

Learning Objectives

• Understand that gravitational attraction depends on mass and distance between objects.
• Differentiate between gravitational and contact forces, such as friction.
• Explain how gravity influences planetary orbits and falling objects.+ Show more

Learning Objectives

• Understand how data from comparative tests informs design improvements.
• Analyze graphs, averages, and error discussions to make data-supported design choices.
• Evaluate trade-offs like strength versus weight or cost versus durability in optimization.

Learning Objectives

• Identify the main parts of a cell and their functions.
• Describe how cell parts work together to support life processes.
• Explain the differences between shared and distinct cell parts.+ Show more

Learning Objectives

• Explain how heritable variation influences natural selection within populations.
• Identify real-world examples of evolutionary change driven by natural selection.
• Describe the process by which environmental pressures can change trait frequencies over generations.+ Show more

Learning Objectives

• Understand how climate data is collected and organized over long periods.
• Interpret graphs of temperature and precipitation to identify patterns.
• Compare current climate data with historical baselines to detect shifts.+ Show more

Learning Objectives

• Understand the hierarchy of body organization from cells to systems.
• Identify the roles of tissues, organs, and body systems in maintaining health.
• Explain how changes in one structure can affect overall body function.+ Show more

Learning Objectives

• Develop models that demonstrate the conservation of mass during physical and chemical changes.
• Trace atoms and measure total mass before and after physical and chemical processes.
• Use particle-level diagrams and symbolic representations to explain that atoms are conserved.

Learning Objectives

• Explain how natural resources are used to create synthetic materials.
• Compare properties of different substances used in manufacturing.
• Describe processes involved in resource extraction and material processing.+ Show more

Learning Objectives

• Identify key indicators of chemical reactions through data analysis.
• Distinguish between physical and chemical changes using qualitative and quantitative evidence.
• Interpret pre- and post-interaction measurements to determine if a chemical reaction has occurred.

Learning Objectives

• Understand the role of decomposers in ecosystems.
• Identify different types of decomposers such as fungi and bacteria.
• Explain how decomposers help recycle nutrients back into the environment.+ Show more

Learning Objectives

• Explain how particles behave and interact in different states of matter
• Describe how temperature affects particle speed and energy
• Relate microscopic particle motion to macroscopic properties like melting and boiling+ Show more

Learning Objectives

• Understand how material properties influence their suitability for different applications.
• Compare the effects of membrane thickness, pore size, and durability on water filtration performance.
• Identify practical considerations such as cost, availability, and ease of shaping when selecting materials.+ Show more

Learning Objectives

• Describe how atoms combine to form simple molecules such as H2O and NaCl.
• Use models like ball-and-stick and space-filling representations to visualize molecules.
• Explain the relationship between molecular structure and observable properties of matter.+ Show more

Learning Objectives

• Understand how resource availability affects individual organisms and populations in different ecosystems.
• Interpret quantitative data related to resource distribution and population trends.
• Identify limiting resources such as water, soil nutrients, and light in marsh, desert, and forest environments.+ Show more

Learning Objectives

• Construct evidence-based explanations linking ecosystem changes to population trends.
• Analyze case studies involving predator reintroduction, invasive species, habitat fragmentation, and disease outbreaks.
• Interpret empirical data and population metrics to infer causal relationships.+ Show more

Learning Objectives

• Explain how energy flows through food webs and food chains in terrestrial and aquatic ecosystems.
• Identify the roles of producers, consumers, and decomposers in energy and matter cycling.
• Interpret energy pyramids and understand trophic transfer efficiency.+ Show more

Learning Objectives

• Understand the key components of a design problem, including needs and constraints.
• Learn how to generate solution ideas using sketches, measurements, and goals.
• Explore real-world examples of designing protective cases for fragile items.+ Show more

Learning Objectives

• Identify the basic features that distinguish cells as the fundamental units of life.
• Compare the characteristics of single-celled and multicellular organisms using microscopy and specimen evidence.
• Describe relationships among cells, tissues, organs, and entire organisms to support biological organization claims.+ Show more

Learning Objectives

• Understand how comparative anatomy and molecular traits support evolutionary relationships among taxa.
• Analyze phylogenetic trees and interpret evidence for common ancestry and divergence.
• Identify homologous structures, vestigial organs, and conserved DNA sequences in different organisms.+ Show more

Learning Objectives

• Explain how photosynthesis and respiration are energy-transforming processes in cells.
• Describe the role of chloroplasts and mitochondria in energy transfer within organisms.
• Identify how mass is conserved during chemical reactions related to energy pathways.+ Show more

Learning Objectives

• Understand different conservation strategies and how they influence biodiversity and ecosystem services.
• Evaluate ecological trade-offs and feasibility of various biodiversity solutions.
• Analyze case studies like coral reef restoration and riparian buffers to assess outcomes under environmental pressures.

Learning Objectives

• Understand various types of natural hazards and their characteristics.
• Analyze observational and instrumental data related to natural hazard events.
• Interpret patterns, recurrence intervals, and location estimates of hazards.+ Show more

Learning Objectives

• Understand how genetic and environmental factors influence phenotypic variation in organisms.
• Explain the link between DNA sequence variation, gene expression, and observable traits.
• Identify examples of phenotypic variation caused by environmental influences such as temperature and nutrition.+ Show more

Learning Objectives

• Describe how cells use chemical and electrical signals to communicate and coordinate functions.
• Explain the processes of neurotransmission, hormonal signaling, and signal transduction cascades.
• Differentiate between rapid nervous impulses and longer-term endocrine responses.+ Show more

Learning Objectives

• Explain geologic processes that modify Earth's surface over different time scales.
• Identify evidence such as rock strata, fossils, and landforms that demonstrate landscape evolution.
• Distinguish between rapid and slow surface change events, understanding their observable indicators.

Learning Objectives

• Describe how Earth's geosphere, hydrosphere, atmosphere, and biosphere interact through transfers of matter and energy.
• Explain feedback mechanisms such as albedo changes, sediment transport, and nutrient movement across Earth's systems.
• Model and analyze system-level patterns that occur over seasonal to geologic timescales involving Earth's processes.

Learning Objectives

• Understand the structure and function of key organ systems such as circulatory, respiratory, digestive, and nervous systems.
• Describe how tissues and organs work together to maintain homeostasis and overall health.
• Explain the interdependence of different organs within organ systems and how they contribute to physiological processes.+ Show more

Learning Objectives

• Describe atmospheric processes that produce local and regional weather patterns.
• Interpret surface maps, temperature, and pressure measurements to analyze weather phenomena.
• Explain how convection and latent heat transfer contribute to short-term weather variability.+ Show more

Learning Objectives

• Understand the processes involved in the water cycle, including evaporation, condensation, precipitation, runoff, infiltration, and groundwater storage.
• Identify the roles of solar energy and gravity in driving the water cycle.
• Learn how water reservoirs such as oceans, ice, and groundwater interact through mass transfer and energy flows.+ Show more

Learning Objectives

• Explain how trait frequencies and population sizes change over generations due to environmental and demographic factors.
• Use proportional reasoning, graphs, and numerical data to analyze population changes.
• Compare different population scenarios such as stabilizing tendencies and bottlenecks using models and data.

Learning Objectives

• Understand the processes of erosion and deposition and how they shape Earth's surface.
• Identify agents responsible for erosion such as water, wind, ice, and gravity.
• Describe features formed by erosion and deposition like river valleys, deltas, dunes, and beaches.+ Show more

Learning Objectives

• Explain how electric and magnetic forces depend on source strength and distance.
• Differentiate between electrostatic and magnetic interactions through examples.
• Illustrate inverse and direct relationships in electromagnetic forces using qualitative data.+ Show more

Learning Objectives

• Explain the law of conservation of momentum during two-object collisions.
• Distinguish between elastic and inelastic collisions through examples and calculations.
• Identify the forces involved during collisions using force diagrams.+ Show more

Learning Objectives

• Explain how net force affects the motion of objects based on mass and force vectors.
• Use the equation net force equals mass times acceleration to analyze different scenarios.
• Identify and describe how multiple forces combine to produce net force.+ Show more

Learning Objectives

• Identify the structure and function of key organelles in plant and animal cells.
• Understand the relationship between cell structure and cellular roles such as energy production, protein synthesis, and waste removal.
• Compare plant and animal cells to recognize specialization and diversity in cell functions.

Learning Objectives

• Describe the orbital motions and gravitational interactions within the solar system.
• Explain how Earth's axial tilt and revolution cause seasonal changes.
• Identify the phases of the Moon and understand lunar cycles.+ Show more

Learning Objectives

• Explain how clouds form when water vapor cools and condenses onto tiny particles in the atmosphere.
• Describe how different precipitation types form as droplets or ice crystals grow and fall.
• Connect precipitation patterns to temperature, moisture, and atmospheric conditions.

Learning Objectives

• Explain how structural adaptations help organisms survive in specific habitats
• Identify examples of structural traits related to food gathering, movement, and avoiding predation
• Use structure–function reasoning to predict how a trait supports survival needs

Learning Objectives

• Understand major observation technologies used to study the solar system.
• Identify differences between ground-based and space-based instruments.
• Describe how different wavelengths provide information about planetary composition, temperature, and motion.+ Show more

Learning Objectives

• Explain what it means to start a design problem with a clear need and measurable requirements
• Identify how sketches, dimensions, performance goals, and constraints guide engineering solutions
• Apply the design process to a real-life example by proposing and justifying design choices

Learning Objectives

• Explain how flow strength and wind energy affect the size of particles that can be transported
• Describe how decreasing energy leads to sorting, with larger grains settling before finer sediments
• Use grain-size sorting patterns to infer how environments like streams, beaches, and deltas may have changed

Learning Objectives

• Differentiate between goals, criteria, and constraints in the design process
• Use criteria and constraints to interpret evidence from tests
• Identify real-world examples of constraints such as tools, size, safety rules, and environmental conditions

Learning Objectives

• Explain how the water cycle moves water through Earth systems and affects where freshwater is available.
• Describe the roles of evaporation, precipitation, runoff, infiltration, and groundwater recharge.
• Identify how storage in glaciers and aquifers influences water supply over time.+ Show more