Grade 6 Science Worksheets

Learning Objectives

• Explain what makes a scientific question testable by linking it to measurable evidence.
• Identify independent, dependent, and controlled variables in a testable investigation plan.
• Use evidence criteria to rewrite a question so it can be answered with observations and measurements.

Learning Objectives

• Explain how changing the angle of attack affects airflow over a wing.
• Describe lift behavior in the linear region and what happens after the critical angle (stall).
• Identify factors that shift critical angle, such as airfoil shape, Reynolds number, and flap settings.+ Show more

Learning Objectives

• Explain how the cell membrane, cytoplasm, nucleus, and organelles contribute to cell survival
• Identify similarities and differences in basic cell structures and their functions
• Use vocabulary related to cell structure to answer science questions accurately

Learning Objectives

• Describe how the Sun's apparent path varies with season and latitude.
• Explain how solar elevation at noon affects day length and solar intensity.
• Compare the Sun's apparent motion in different geographic locations, such as Calgary and northern communities.+ Show more

Learning Objectives

• Identify and describe the four aerodynamic forces: lift, drag, thrust, and weight.
• Explain how gravity relates to weight and how propulsion creates thrust.
• Use vector ideas (magnitude and direction) to predict climb, cruise, or descent.+ Show more

Learning Objectives

• Explain how evaporation, condensation, and precipitation move water through the water cycle.
• Describe how runoff and infiltration affect where freshwater collects and flows.
• Explain how storage in glaciers and aquifers can release water slowly over time.+ Show more

Learning Objectives

• Differentiate structural, behavioural, and physiological adaptations and give examples
• Explain how inherited traits help organisms survive and reproduce in a specific niche
• Distinguish inherited characteristics from acquired characteristics+ Show more

Learning Objectives

• Explain how density connects mass and volume and predict whether objects will float or sink in water.
• Use density evidence to compare substances and interpret why mixtures form layers.
• Estimate or measure density to support claims about which material is present in a mixture.

Learning Objectives

• Explain how DNA barcoding helps identify species using short DNA sequences
• Compare genetic sequences and describe how phylogenetic trees show evolutionary relationships
• Contrast morphological keys with genetic markers and describe why cryptic species can be hard to classify+ Show more

Learning Objectives

• Explain biodiversity patterns using species richness, abundance, and evenness
• Describe how scientists use transects and quadrats to sample organisms
• Interpret simple diversity comparisons and connect them to habitat heterogeneity+ Show more

Learning Objectives

• Define an ecosystem as interacting systems of biotic and abiotic components.
• Identify biotic components (populations and communities) and abiotic physical factors and explain their roles in a habitat.
• Use examples of pond, prairie, and forest ecosystems to describe resource distribution, shelter, and climate influences.+ Show more

Learning Objectives

• Explain how flow speed or wind strength affects what sizes of particles can be transported.
• Describe how decreasing energy leads to sediment sorting and layered deposits.
• Use evidence from grain size patterns to predict where different sediments may settle.

Learning Objectives

• Explain the iterative design process (conceptual design, prototyping, measurement, and refinement).
• Use performance specifications and trade-offs involving lift, drag, weight, and stability.
• Describe how scaled models and computational approximations help predict aerodynamic performance.+ Show more

Learning Objectives

• Identify when to use a table, bar graph, or line graph to represent different kinds of data.
• Read graphs and tables using correct labels, units, and scales.
• Compare categories and describe change over time using appropriate graph types.

Learning Objectives

• Explain how robotic missions to the solar system can be designed using mission types such as flyby, orbiter, lander, and sample-return.
• Describe major engineering constraints (distance, communication delay, and planetary environments) that affect robotic spacecraft design.
• Identify how propulsion, gravity assists, instrumentation, and data return work together to achieve mission goals.+ Show more

Learning Objectives

• Explain how filtration separates a mixture using a barrier and particle size
• Identify what happens to sand and water in a water–sand filtration setup
• Use evidence (residue thickness and filtrate clarity) to describe separation results

Learning Objectives

• Explain the difference between goals, criteria, and constraints in the design process
• Use criteria and constraints to interpret evidence from tests and observations
• Identify examples of constraints from real-world limitations like safety rules, available materials, size requirements, and environmental conditions

Learning Objectives

• Explain how erosion transports rock and sediment using agents like water, wind, ice, and gravity.
• Describe how deposition occurs when transporting agents lose energy.
• Connect erosion and deposition to landforms such as river valleys, deltas, dunes, and coastal beaches.+ Show more

Learning Objectives

• Explain how decomposers break down dead matter and waste to return nutrients to ecosystems.
• Describe the role of fungi and bacteria in releasing chemical components into soil and water.
• Use nutrient cycling ideas to predict how decomposer activity can affect producer growth and ecosystem productivity.

Learning Objectives

• Describe the structure of the atmosphere and how air masses interact to produce fronts and changing weather.
• Explain how pressure systems and prevailing winds influence regional weather patterns.
• Use climate classification and the greenhouse effect to connect long-term climate trends to observable local weather.

Learning Objectives

• Define electric charge and explain why objects can have a charge imbalance
• Compare static electricity (stationary separated charge) with electric current (flow of charge through conductors)
• Relate everyday observations such as hair attraction and sparks to charge transfer or imbalance+ Show more

Learning Objectives

• Explain the relative roles of the Sun, Earth, and Moon by comparing their masses and dominant gravitational influence
• Describe how the Earth–Moon system’s mutual gravity creates a barycenter and affects their shared motion
• Relate gravitational balance and mutual motion to stable orbits and everyday evidence such as Moon phases and tides

Learning Objectives

• Explain how symbiotic relationships describe interactions between two species.
• Categorize interactions as mutualism, commensalism, or parasitism using evidence from examples.
• Describe how symbiotic relationships affect organism fitness, resource distribution, and community composition.

Learning Objectives

• Explain how morphological, physiological, and behavioral adaptations help organisms survive in different environments
• Use examples (desert plants, birds, and mammals) to describe how trait–environment matches improve survival and reproduction
• Differentiate adaptation from ideas about origin by focusing on how a trait functions in a given environment

Learning Objectives

• Classify matter as elements, compounds, or mixtures using composition and observable characteristics.
• Differentiate between homogeneous and heterogeneous mixtures based on uniformity.
• Use separation techniques such as filtration and distillation to support classification decisions.

Learning Objectives

• Compare ground-based telescopes, orbital telescopes, space probes, and Earth-observing satellites by purpose and limitations.
• Explain how spectral imaging and remote sensing help scientists measure properties such as temperature, vegetation, and atmospheric gases.
• Interpret data concepts including spatial and temporal resolution when making conclusions from space-based observations.

Learning Objectives

• Explain conservation of mass in a closed system during physical and chemical processes using before-and-after measurements
• Use concrete examples (sealed reactions and closed-container phase changes) to distinguish conservation evidence from mass loss
• Identify why conservation of mass may not hold in open systems where mass exchange occurs

Learning Objectives

• Explain contact and noncontact forces and identify examples of gravity, friction, and normal force in everyday situations
• Describe how balanced and unbalanced forces affect changes in an object’s motion
• Connect the direction and relative strength of forces to whether an object speeds up, slows down, or changes direction+ Show more

Learning Objectives

• Explain how thermal energy can transfer by conduction, convection, and radiation.
• Connect energy transfer to observable temperature changes and differences in material properties.
• Describe how heat flow can differ in open systems versus closed systems.

Learning Objectives

• Identify series and parallel sections within a mixed (combined) circuit by using circuit nodes and shared current paths
• Explain how current and voltage distribute in series versus parallel parts of a combined circuit
• Predict changes in brightness and meter readings when a component in series or in parallel fails+ Show more

Learning Objectives

• Describe how habitat restoration, protected areas, invasive species removal, and community-based monitoring support biodiversity.
• Explain why assisted migration is considered and why it can be risky or controversial.
• Use species-at-risk and ecosystem-service ideas to prioritize conservation actions.+ Show more

Learning Objectives

• Write scientific claims that are supported by evidence and justified with reasoning.
• Interpret and describe trends shown in standardized visual summaries such as graphs and tables.
• Use clear operational definitions and transparent methods, including uncertainties and replication.+ Show more

Learning Objectives

• Compare solids, liquids, and gases using particle arrangement and relative particle motion.
• Relate macroscopic properties (shape retention and compressibility) to the state of matter.
• Use everyday examples such as ice, liquid water, and water vapor to explain differences in density and molecular spacing.

Learning Objectives

• Explain electric current as an organized movement of charges through a conductor
• Distinguish conventional current direction from electron flow in metals
• Describe how potential difference (voltage) drives current in a circuit+ Show more

Learning Objectives

• Describe physical properties and explain how they help identify unknown substances (density, solubility, magnetism, conductivity, hardness, luster).
• Distinguish between qualitative observations and simple quantitative comparisons using measurements and data.
• Use property-based evidence to select materials for familiar tasks and explain why measurements support classification.

Learning Objectives

• Explain how free electrons in metals allow charge to flow through a material.
• Describe how temperature and material structure affect conductivity.
• Use comparisons between common conductors (like copper and graphite) to predict which will conduct better for a given purpose.

Learning Objectives

• Explain what keystone species are and why their influence is often greater than their abundance
• Describe at least two mechanisms of keystone effects (habitat engineering and trophic control)
• Predict how changes to keystone species can cause cascading effects on biodiversity and ecosystem function+ Show more

Learning Objectives

• Explain the difference between raw observations and inferential explanatory claims in scientific reasoning.
• Use evidence and patterns in data to support or question a proposed scientific claim.
• Evaluate the strength of inferences by considering evidence sufficiency and alternative explanations.

Learning Objectives

• Explain how scientific methods are iterative and how evidence can lead to revising a hypothesis
• Differentiate descriptive approaches from comparative approaches in scientific investigations
• Use operational definitions to connect hypotheses to measurable outcomes+ Show more

Learning Objectives

• Explain the major steps of the hydrologic cycle (evaporation, condensation, precipitation, runoff, infiltration, and groundwater discharge).
• Describe how watersheds and aquifers affect regional water availability.
• Connect hydrologic processes to water quantity, soil/landscape changes, and water quality monitoring.

Learning Objectives

• Explain how scientific evidence and uncertainty can be used in risk assessment for policy decisions.
• Use cost-benefit reasoning to compare technology and policy options while considering indirect impacts.
• Describe how stakeholder values can shape what risks and benefits matter most in a decision.

Learning Objectives

• Identify ethical criteria (beneficence, risk minimization, and justice) that guide scientific decisions in society.
• Explain how privacy, informed consent, and responsible data use apply to scientific and medical technologies.
• Evaluate environmental and long-term ecological consequences of scientific applications, including lab practices and production methods.+ Show more

Learning Objectives

• Identify science-related careers and match them to typical tasks involving data, tools, or lab work.
• Explain how scientific reasoning and mathematical skills support measurement, analysis, and communication in science careers.
• Describe how engineers and technicians maintain equipment and use evidence to interpret results for different audiences.

Learning Objectives

• Explain how scientific evidence can lead to public health, environmental, and resource-management decisions.
• Identify indicators used to evaluate whether a scientific policy is working.
• Describe trade-offs among economic costs, environmental protection, and public well-being.

Learning Objectives

• Identify sources of error in experimental measurements and classify them as random or systematic.
• Explain how random and systematic errors can limit the reliability of collected data.
• Describe methods for estimating uncertainty and reporting it transparently.+ Show more

Learning Objectives

• Explain how solar and lunar eclipses happen using Earth–Moon–Sun alignment and the ideas of umbra and penumbra
• Distinguish how the geometry of eclipses affects what people can see and how often eclipses occur
• Describe tides as a result of the Moon’s and Sun’s differential gravitational pull on Earth’s oceans+ Show more

Learning Objectives

• Explain how dichotomous and multi-access keys help identify organisms using observable traits
• Construct simple binary branches by choosing contrasting characteristics
• Evaluate and refine a key by testing it with local taxa and spotting common identification errors

Learning Objectives

• Explain what invasive species are and describe common pathways they use to enter new ecosystems.
• Analyze how invasive species can compete with, prey on, or harm native organisms and alter habitats.
• Identify factors that help invasive species establish, such as propagule pressure and the absence of natural predators.+ Show more