Grade 6 Science Worksheets

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

• Explain how competition occurs when organisms need limited resources.
• Identify how traits, timing of feeding, and tolerance affect access to resources.
• Describe how competition can change population sizes and which species persist in a community.

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

• 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

• 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

• 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

• Explain how Earth's rotation causes day and night.
• Describe how Earth's orbit and axial tilt produce seasons and variations in daylight and temperature.
• Identify key phenomena such as solstices and equinoxes as markers of seasonal change.+ 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 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

• Explain how traits are inherited from parents to offspring using models of genes on chromosomes.
• Use Mendelian cross examples to predict inheritance ratios of dominant and recessive traits.
• Construct and interpret simple probability models to understand inheritance patterns.+ 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

• 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 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

• Describe the geometric relationships among Earth, Moon, and Sun that produce lunar phases and eclipses.
• Explain how relative positions of Earth, Moon, and Sun determine the occurrence of lunar phases and eclipses.
• Predict the timing and types of lunar phases and eclipses based on Earth-Moon-Sun positions.+ Show more

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 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

• 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

• Understand how gravitational attraction between the Sun and planets results in elliptical orbits.
• Describe how mutual gravity influences orbital periods and speeds in the solar system.
• Explain the concept of central gravitational potential and its role in maintaining orbital paths.+ Show more

Learning Objectives

• Understand and describe the relative sizes and distances of planets within the solar system.
• Use astronomical units, planetary radii, and orbital periods to compare solar system objects.
• Interpret data tables and charts to analyze spatial relationships in space.+ 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

• Understand the origins and causes of natural hazards such as earthquakes, volcanic eruptions, hurricanes, and floods.
• Analyze the patterns and effects of different natural hazards on communities and infrastructure.
• Evaluate the relationships among tectonic activity, atmospheric processes, and hydrologic cycles in hazard occurrence.+ Show more

Learning Objectives

• Understand how to compare different design solutions using criteria and constraints.
• Use matrices, rubrics, and prototypes to evaluate solutions systematically.
• Analyze trade-offs among efficiency, durability, manufacturability, and cost.+ Show more

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

• Explain how to define criteria and constraints for a design problem.
• Identify scientific principles and models used to relate cause and effect in problem-solving.
• Apply understanding of criteria, constraints, and scientific principles to real-world examples.

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 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

• Understand the geological processes that influence the distribution of mineral, energy, and groundwater resources.
• Analyze how historical and ongoing geoscience processes create spatial patterns in resource deposits and aquifers.
• Evaluate the trade-offs in resource extraction considering demand, environmental impact, and technological constraints.+ 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

• 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 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 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 how population trends and resource use impact earth systems.
• Identify different sustainable practices and their trade-offs.
• Analyze policy and technological options for promoting sustainability.+ 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

• 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

• 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 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 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

• 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

• 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

• 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

• 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 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

• Explain how material properties (strength, water resistance, and conductivity) match design demands in real-world situations.
• Use evidence and property tradeoffs (cost, availability, and ease of shaping) to justify material choices.
• Describe how filtration performance depends on membrane thickness, pore size, and durability over time.

Learning Objectives

• Describe patterns on graphs using precise quantitative language (increasing, decreasing, plateau, scatter, or curved change).
• Interpret relationships between variables by comparing graph shapes and trend directions.
• Use evidence from a graph to make predictions or justify conclusions about patterns.

Learning Objectives

• Explain how net force affects an object’s motion (speed and direction).
• Distinguish between balanced forces and unbalanced forces using real-life examples.
• Use friction and normal force ideas to predict whether an object will stay at rest, move steadily, or accelerate.

Learning Objectives

• Explain how climate differs from weather and why climate changes more slowly
• Identify major climate factors (latitude, altitude, distance from water, ocean currents, and prevailing winds)
• Use climate patterns to predict how different regions develop ecosystems such as deserts, grasslands, and rain forests+ Show more

Learning Objectives

• Identify the four Earth systems (atmosphere, hydrosphere, geosphere, and biosphere) and describe how they interact.
• Explain how energy flow (heating and cooling) and matter movement (water, sediments) connect Earth systems.
• Use examples to predict how a change in one sphere can affect other spheres over time.