Grade 6 Science Worksheets

Learning Objectives

• Understand the structure of the atmosphere and how it affects weather and climate.
• Identify the roles of air masses, pressure systems, and fronts in weather phenomena.
• Explain how heat transfer mechanisms and the greenhouse effect influence regional climate variability.+ Show more

Learning Objectives

• Understand the principles of population growth, including exponential and logistic models.
• Identify factors influencing population size, such as density-dependent and density-independent factors.
• Explain the concepts of carrying capacity, predator-prey relationships, and demographic parameters affecting populations.

Learning Objectives

• Explain how particle models distinguish physical changes from chemical reactions.
• Use particle ideas to describe how atoms and arrangements change during matter changes.
• Connect evidence of new substances to conservation of atoms.

Learning Objectives

• Explain that compounds form when atoms of different elements combine in fixed, definite proportions.
• Use particle models to describe how atoms connect in a compound.
• Relate atomic composition to observable properties such as density and chemical behavior.

Learning Objectives

• Describe what physical changes do to matter and how they differ from chemical changes
• Identify examples of physical changes such as melting, freezing, tearing, and dissolving
• Explain how physical changes can be reversible and how the atoms stay the same

Learning Objectives

• Use particle models to count atoms of each element on both sides of a chemical reaction
• Explain how conservation of matter is supported by matching atom counts in reactants and products
• Use evidence from particle-level reasoning to justify claims about new substances

Learning Objectives

• Use astronomical units (AU) to compare Earth’s distance to the Sun with other planets’ distances.
• Compare planetary size and orbital periods using appropriate scales and orders of magnitude.
• Interpret proportional models and data tables/charts to explain solar system relationships.

Learning Objectives

• Describe contact and noncontact forces with examples.
• Explain the concepts of balanced and unbalanced forces.
• Understand the role of gravity, friction, and normal force in everyday activities.+ Show more

Learning Objectives

• Identify common measurement instruments used in science experiments.
• Understand how to calibrate and record measurements accurately.
• Compare measurement results across different sampling sites and times.+ Show more

Learning Objectives

• Identify the major regional forest types and their characteristic species.
• Understand how environmental factors influence forest distribution.
• Recognize the environmental conditions that shape different forest ecosystems.+ Show more

Learning Objectives

• Understand the differences between series and parallel electrical circuits.
• Identify how voltage and current distribute in series and parallel arrangements.
• Explain the effects of circuit configuration on device brightness and circuit reliability.+ Show more

Learning Objectives

• Understand the hierarchical categories used in classifying living organisms.
• Learn how to use observable characteristics to group species.
• Introduce the concept of dichotomous keys for identification.+ Show more

Learning Objectives

• Understand how data from different tests can inform design improvements.
• Analyze trade-offs and performance characteristics in prototypes.
• Use graphs, averages, and error discussions to evaluate design options.+ Show more

Learning Objectives

• Explain how receptors help cells detect chemical and electrical signals
• Describe how signal transduction cascades produce specific cell responses
• Compare rapid nervous transmission with longer-term endocrine hormone effects+ Show more

Learning Objectives

• Explain how phenotypic variation can result from interactions between genetic information and environmental influences.
• Describe how DNA sequence differences and changes in gene expression can affect an organism’s structure and function.
• Use examples (inheritance, nutrition-linked growth, and temperature effects) to support claims about trait variation.

Learning Objectives

• Explain how photosynthesis and respiration transfer and transform energy in cells
• Model how matter cycles between plants and animals using reactants and products
• Describe the roles of chloroplasts, mitochondria, stomata, and oxygen in energy transfer+ Show more

Learning Objectives

• Explain how specific cell organelles contribute to key cell functions.
• Connect the structure of an organelle to its role in the cell.
• Compare plant and animal cells in terms of specialized organelles.

Learning Objectives

• Understand how photosynthesis converts light energy into chemical energy in plants.
• Explain how organisms break down organic molecules to release energy through respiration.
• Identify the roles of chloroplasts and mitochondria in energy transfer processes.+ Show more

Learning Objectives

• Describe the iterative process of scientific investigations.
• Differentiate between descriptive and comparative approaches in experiments.
• Explain the importance of observational phenomena in designing experiments.+ Show more

Learning Objectives

• Understand fundamental safety principles in scientific practice, including risk assessment and hazard prevention.
• Recognize ethical considerations such as humane treatment, informed consent, and environmental stewardship in scientific work.
• Apply protocols for proper disposal, accurate incident reporting, and adherence to regulations to promote responsible scientific conduct.

Learning Objectives

• Understand the concept of measurement uncertainty and its sources in science.
• Identify methods used to estimate and express uncertainty in data collection.
• Recognize the importance of acknowledging measurement variability in scientific conclusions.+ Show more

Learning Objectives

• Differentiate between physical and chemical changes using observable indicators.
• Identify examples of physical and chemical changes in everyday objects.
• Describe characteristic evidence of chemical changes such as gas formation, precipitates, color change, and temperature change.+ Show more

Learning Objectives

• Identify common cellular features observable under microscopes.
• Differentiate between single-celled and multicellular organisms based on evidence.
• Understand the relationships among cells, tissues, and organs in organisms.+ Show more

Learning Objectives

• Understand the different types of adaptations and their roles in survival.
• Identify examples of structural, behavioral, and physiological adaptations.
• Analyze how environmental pressures influence the development of advantageous traits.+ Show more

Learning Objectives

• Understand the differences between mixtures and solutions
• Identify homogeneous and heterogeneous mixtures
• Learn methods to separate components in mixtures

Learning Objectives

• Understand the concept of diffusion and how particles move from areas of high to low concentration.
• Learn how temperature, particle size, and medium viscosity affect diffusion rates.
• Connect microscopic particle motion to observable phenomena such as scent spreading and dye dispersal.

Learning Objectives

• Understand fundamental methods of data analysis and representation
• Identify and organize data using tables and graphs
• Interpret trends, outliers, and basic summary measures from data+ Show more

Learning Objectives

• Identify different types of adaptation (morphological, physiological, behavioral).
• Explain how specific traits help organisms survive in their environments.
• Recognize examples of adaptations such as leaf modifications, fur insulation, migration, and dormancy.+ Show more

Learning Objectives

• Understand how moving water causes erosion of Earth's surface
• Identify the processes of deposition by water
• Recognize landforms created by erosion and deposition+ Show more

Learning Objectives

• Explain how habitat fragmentation reduces connectivity between habitat patches
• Describe how fragmentation affects gene flow, pollinator movement, and species interactions
• Identify edge effects and isolation effects on populations in forests and wetlands+ Show more

Learning Objectives

• Explain how voltage, current, and resistance are related in a simple circuit using proportional reasoning.
• Use measured values to calculate or predict how circuit variables change when resistance changes.
• Compare how current and resistance behave in series versus parallel circuits using qualitative quantitative relationships.

Learning Objectives

• Explain what electrical conductors are and their key properties.
• Identify factors that affect electrical conductivity in materials.
• Compare common conducting materials like copper and graphite.+ Show more

Learning Objectives

• Understand the concept of negative and positive feedback mechanisms in maintaining internal stability.
• Identify examples of feedback control such as thermoregulation, blood glucose regulation, and osmotic balance.
• Explain how sensors and effectors work together to regulate physiological set points.+ Show more

Learning Objectives

• Understand the role of feedback mechanisms in maintaining internal stability.
• Differentiate between negative and positive feedback processes with examples.
• Explain how disturbances propagate through organ systems and how responses restore balance.+ Show more

Learning Objectives

• Describe how robotic missions explore the solar system using mission types such as flyby, orbiter, lander, and sample-return.
• Explain how communication delay and distance affect mission design and data return.
• Identify how propulsion choices, instrumentation, and harsh planetary environments influence what a spacecraft can do.

Learning Objectives

• Understand the purpose and types of models used in science to represent complex systems.
• Identify the assumptions, boundaries, and scaling factors involved in model construction.
• Compare and evaluate model predictions against observable outcomes to recognize limitations.+ Show more

Learning Objectives

• Understand various conservation strategies used to protect ecosystems.
• Identify differences and applications of protected areas, habitat restoration, sustainable harvesting, and invasive species control.
• Evaluate the importance of monitoring and assessing the effectiveness of conservation efforts.+ Show more

Learning Objectives

• Define and identify different types of trophic interactions such as predation, herbivory, parasitism, competition, and mutualism.
• Explain how each trophic interaction influences survival, reproduction, and community structure.
• Analyze examples of trophic interactions in ecosystems and their effects on biodiversity.+ Show more

Learning Objectives

• Understand the concepts of exponential and logistic growth in populations.
• Identify factors that influence population size such as limiting resources, predation, and weather events.
• Distinguish between density-dependent and density-independent influences on populations.+ Show more

Learning Objectives

• Identify questions that can be tested through scientific investigation
• Classify questions as investigable, opinion, yes/no, or too broad
• Select focused questions suitable for scientific investigation+ Show more

Learning Objectives

• Explain how lunar phases result from the changing relative positions of the Sun, Earth, and Moon.
• Describe how illumination geometry affects the visible fraction of the Moon (new, crescent, quarter, gibbous, full).
• Distinguish between lunar phases and eclipses by describing the alignment needed for eclipses.

Learning Objectives

• Understand the orbital motions of planets and their effects on seasons and day length.
• Describe the phases of the Moon and the phenomena of eclipses.
• Explain how the relative motions of the Sun, Moon, and Earth influence tides and observable sky patterns.+ Show more

Learning Objectives

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

Learning Objectives

• Explain how genes and alleles contribute to inheritance of traits from parents to offspring
• Use Mendelian cross models to predict expected offspring phenotype ratios
• Apply simple probability reasoning to dominant and recessive inheritance patterns+ Show more

Learning Objectives

• Explain how food molecules provide both chemical building materials and stored energy in the body
• Describe how digestion breaks large food molecules into smaller molecules that can be absorbed
• Connect specific food molecules to different cell needs, such as structure and quick energy+ Show more

Learning Objectives

• Understand how human activities affect ecosystems and biodiversity.
• Identify specific human impacts such as pollution, deforestation, and resource extraction.
• Explain the consequences of ecosystem alterations on environment and species.+ Show more

Learning Objectives

• Understand how population trends and resource use impact earth systems.
• Evaluate different sustainable practices such as renewable energy and conservation.
• Compare policy and technological options for sustainability.+ Show more

Learning Objectives

• Explain how key organelles contribute to essential cell functions
• Connect cell structure (nucleus, ribosomes, mitochondria, chloroplasts) to their roles
• Compare plant and animal cell organelles to understand specialization