Grade 6 Science Worksheets

Learning Objectives

• Explain how the heart’s rhythmic pumping creates pressure that moves blood through vessels.
• Compare arteries, veins, and capillaries by describing their structure and function.
• Describe how capillary walls support the exchange of oxygen, nutrients, and wastes with body cells.+ Show more

Learning Objectives

• Describe how different disturbances (fire, insects, windthrow, flooding, and human activity) affect forest structure and succession.
• Explain how disturbance frequency, intensity, and spatial extent influence regeneration patterns and habitat mosaics.
• Use evidence from a landscape to infer how disturbance regimes can shape long-term ecosystem trajectories.

Learning Objectives

• Identify observable properties of matter (such as color, hardness, and texture).
• Explain how conductivity of heat and electricity helps classify materials.
• Compare matter in different forms (solid, liquid, gas) and connect evidence to predictions.

Learning Objectives

• Explain how organisms compete for limited resources in a community.
• Describe how traits and timing can affect which species survives and persists.
• Use examples to predict how population sizes may change over generations due to competition.+ Show more

Learning Objectives

• Explain how magnetic separation sorts mixtures using differences in magnetic properties
• Describe observations of what moves toward a magnet versus what stays behind
• Distinguish physical separation from chemical change

Learning Objectives

• Explain how matter is recycled between living organisms and non-living parts of an ecosystem.
• Identify reservoirs and flows in a matter cycle model.
• Describe how producers, consumers, and decomposers help move matter through an ecosystem.

Learning Objectives

• Understand how different organ systems interact to maintain homeostasis.
• Identify feedback mechanisms involved in temperature regulation and blood sugar control.
• Describe the roles of the nervous, endocrine, and circulatory systems in system integration.+ Show more

Learning Objectives

• Identify independent, dependent, and controlled variables in a science investigation.
• Explain why controlled variables must be kept constant to support valid conclusions.
• Use operational definitions and consistent measurement intervals to collect reliable data.+ Show more

Learning Objectives

• Explain what makes a scientific question testable by linking it to measurable evidence.
• Identify independent and dependent variables and describe which conditions must stay constant.
• Revise a question so it includes clear measurable outcomes and observable criteria.

Learning Objectives

• Describe major components of the solar system, including planets, dwarf planets, and belts of small bodies.
• Compare terrestrial and gas giant planets using composition, atmosphere, and surface conditions.
• Explain how orbital location and energy balance relate to temperature and habitability.

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 lift, drag, thrust, and weight act as interacting forces that determine motion.
• Identify weight as gravity acting downward and describe lift as the upward aerodynamic resultant.
• Use vector ideas and equilibrium to predict steady level flight, climb, and descent.

Learning Objectives

• Explain how propellers create axial thrust by accelerating air backward.
• Describe how jet engines produce thrust using reaction momentum from exhaust gases.
• Compare how thrust-to-weight ratio affects climb and acceleration in flight.

Learning Objectives

• Understand the importance of controlling variables in scientific experiments.
• Identify different types of variables and how to keep them constant.
• Explain how variable control contributes to reliable evidence and conclusions.+ Show more

Learning Objectives

• Understand the difference between static and dynamic stability in aircraft.
• Identify how aircraft geometry contributes to longitudinal, lateral, and directional stability.
• Describe the effects of center of gravity and dihedral angles on stability.+ Show more

Learning Objectives

• Identify conservation strategies that protect forest biodiversity and ecosystem services
• Explain how habitat protection and restoration support long-term ecosystem viability
• Describe why genetic diversity and seed-source choices matter for replanting+ Show more

Learning Objectives

• Describe how a series circuit forms a single path for current
• Explain why current is the same through series components
• Predict how total voltage is shared across series elements+ Show more

Learning Objectives

• Explain the differences between random, stratified, and systematic sampling
• Identify trade-offs between sample coverage, bias reduction, and practical constraints
• Evaluate how sampling choices affect the strength and limits of conclusions

Learning Objectives

• Understand what makes a question testable in scientific experiments.
• Learn how to identify variables and measurable outcomes in questions.
• Develop skills to formulate testable scientific questions from observations.

Learning Objectives

• Identify the major structures of a tree and their functions.
• Explain how tree structures support survival in different habitats.
• Describe relationships between form and function in tree parts.+ Show more

Learning Objectives

• Understand the relationship between voltage, current, and resistance in circuits.
• Calculate circuit elements' properties using measured voltage, current, and resistance values.
• Explain how resistance changes affect current in a fixed potential difference circuit.+ Show more

Learning Objectives

• Understand different sampling methods and when to use each.
• Compare random, stratified, and systematic sampling techniques.
• Analyze advantages and limitations of various sampling strategies.+ Show more

Learning Objectives

• Understand the concept of electrical energy transfer
• Explain how power relates to energy transfer rate
• Identify everyday examples of electrical power use+ Show more

Learning Objectives

• Understand what habitat fragmentation is and how it impacts ecosystems.
• Analyze how landscape changes influence animal and plant populations.
• Identify examples of habitat division caused by human activities.+ Show more

Learning Objectives

• Understand how camber, thickness, chord length, and leading-edge curvature influence pressure distribution and lift.
• Contrast Bernoulli and Newtonian explanations of lift.
• Identify the effects of angle of attack and critical angles for stall on lift production.+ Show more

Learning Objectives

• Explain how Earth’s rotation creates apparent daily sky motion
• Describe how Earth’s orbit changes the Sun’s apparent yearly path
• Define diurnal rising, setting, and apparent stellar paths+ Show more

Learning Objectives

• Explain how growth rings form and how they can be used to estimate a tree’s age and growth patterns.
• Describe how ring width and density can reflect environmental conditions such as moisture, temperature, and disturbances.
• Connect dendrochronology methods to reconstructing past climate and disturbance events (such as drought or fire).

Learning Objectives

• Describe how light reflects off surfaces according to angle relationships.
• Explain how refraction bends light as it passes between different media.
• Identify the role of lenses in focusing or dispersing light through refraction.+ Show more

Learning Objectives

• Understand the basic components of the immune system
• Identify how skin and mucous membranes act as first defenses
• Describe innate and adaptive immune responses+ Show more

Learning Objectives

• Explain how birth rate, death rate, immigration, and emigration affect population size
• Describe carrying capacity and limiting factors in terrestrial and aquatic ecosystems
• Differentiate between exponential and logistic population growth models+ Show more

Learning Objectives

• Explain how dichotomous and multi-access identification keys use observable traits to sort organisms
• Construct binary branches in a key using contrasting, measurable characteristics
• Evaluate and improve the accuracy of a key by testing it with local specimens

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

• Define what a mixture is and identify examples in daily life.
• Recognize the properties that distinguish different types of mixtures.
• Understand how mixtures can be separated based on their observable features.+ Show more

Learning Objectives

• Identify the main components of an electrical circuit
• Describe the function of each circuit component
• Explain how energy is transformed within a circuit+ Show more

Learning Objectives

• Understand the hierarchical organization of biological levels from cells to organisms.
• Identify the relationships between cells, tissues, organs, organ systems, and organisms.
• Explain how disruptions at one level can affect higher levels of biological organization.+ Show more

Learning Objectives

• Pose testable questions and explain how they can be investigated scientifically
• Identify independent and dependent variables and distinguish them from controlled variables
• Use operational definitions and controlled comparisons to design fair tests+ Show more

Learning Objectives

• Differentiate between homogeneous and heterogeneous mixtures using observable properties
• Identify solutions as homogeneous mixtures and explain what “uniform composition” means
• Describe common separation methods (filtration, decanting, evaporation) and what property they use

Learning Objectives

• Understand the hierarchy of biological levels from cells to organisms.
• Identify the roles of cells, tissues, organs, and organ systems.
• Explain how each level contributes to the overall functioning of an organism.

Learning Objectives

• Describe how light reflects off surfaces and the relationship between angles in reflection.
• Explain how refraction bends light when passing through different materials based on refractive indices.
• Identify real-world phenomena caused by reflection and refraction, such as mirages and lenses.+ Show more

Learning Objectives

• Identify whether data are numerical or categorical and choose an appropriate representation.
• Read information from tables, bar graphs, and line graphs using consistent labels and scales.
• Compare categories and describe how a variable changes over time based on a graph.+ Show more

Learning Objectives

• Understand the concept of energy efficiency as the ratio of useful output to total input.
• Identify common causes of energy losses in machines and systems.
• Evaluate the trade-offs between performance and energy waste in different technologies.+ Show more

Learning Objectives

• Distinguish qualitative data from quantitative data
• Select appropriate graphs for different types of observations
• Interpret trends, clusters, and outliers in graphs+ Show more

Learning Objectives

• Understand how the circulatory system transports blood, gases, nutrients, hormones, and wastes.
• Identify the key organs and vessels involved in circulation.
• Explain how the heart creates pressure to facilitate blood movement.+ Show more

Learning Objectives

• Explain how wind tunnels measure aerodynamic forces and moments on models using balance systems and pressure taps.
• Describe how similar flow conditions, such as Reynolds and Mach numbers, affect scaling from models to real objects.
• Calculate lift and drag coefficients from measured forces and relate flow visualization to design improvements.

Learning Objectives

• Identify structural, behavioural, and physiological adaptations
• Explain how adaptations improve survival in environments
• Distinguish inherited traits from acquired characteristics+ Show more

Learning Objectives

• Understand the concept of competition among organisms
• Identify different types of competition in nature
• Recognize how competition affects population and species survival+ Show more

Learning Objectives

• Describe how the respiratory system exchanges oxygen and carbon dioxide through diffusion
• Explain how the digestive system breaks food into smaller molecules that can enter circulation
• Connect digestion and respiration to how cells release energy

Learning Objectives

• Match common circuit components to their functions in a complete circuit.
• Explain how switches change current flow and how resistors affect voltage and current qualitatively.
• Interpret schematic symbol meaning for power sources, switches, resistive loads, and connectors.