Grade 6 Science Worksheets

Learning Objectives

• Explain how the lithosphere, hydrosphere, atmosphere, and biosphere interact as connected Earth systems.
• Describe how energy from the Sun drives cycles that move water, gases, and heat.
• Use cause-and-effect reasoning to predict how changes in one Earth system affect other systems over time.

Learning Objectives

• Explain what a scientific model is and how it can help represent an idea.
• Identify assumptions in a model and describe them in plain language.
• Use evidence to judge whether a model’s predictions match observed results.+ Show more

Learning Objectives

• Explain the difference between the independent variable and the dependent variable in an investigation.
• Identify which factors should be controlled to make evidence reliable.
• Use a plan to clearly separate the changing factor from measured outcomes.+ Show more

Learning Objectives

• Explain how net force affects an object’s motion by changing speed or direction
• Differentiate balanced forces and unbalanced forces using real-life examples
• Use evidence from everyday situations to infer whether forces are balanced or unbalanced+ Show more

Learning Objectives

• Explain how apparent solar motion and local solar noon are used to measure solar time.
• Compare solar time and clock time and identify why they can differ.
• Describe how longitude, time zones, and the equation of time affect timekeeping.+ Show more

Learning Objectives

• Explain how homologous structures and vestigial organs can provide evidence for common ancestry.
• Use conserved DNA sequences to support evolutionary relationships shown on phylogenetic trees.
• Interpret how branching patterns in phylogenetic trees relate to trait inheritance, divergence, and ancestral form.

Learning Objectives

• Explain how synthetic materials are made by connecting natural resources to manufactured products
• Compare properties of common synthetic materials and natural counterparts (durability, flexibility, conductivity, biodegradability)
• Describe basic extraction and processing steps used to produce plastics, fibers, and glass+ Show more

Learning Objectives

• Compare conservation strategies, habitat restoration, protected area design, and invasive species management using evidence from case studies.
• Evaluate ecological trade-offs and feasibility when solutions are applied to support biodiversity and ecosystem services.
• Explain how biodiversity supports pollination, water purification, and nutrient cycling under changing environmental pressures.

Learning Objectives

• Explain how limiting resources affect individual organisms and population size.
• Use quantitative observations (measurements and patterns) to infer limiting resources and carrying capacity.
• Describe how resource gradients influence species distribution across marsh, desert, and forest habitats.

Learning Objectives

• Explain how energy moves and changes form during photosynthesis and cellular respiration
• Describe how matter cycles through chloroplasts and mitochondria during chemical processes
• Use examples (stomata, leaf gas exchange, oxygen consumption) to connect energy pathways to real observations

Learning Objectives

• Explain how monomers (amino acids, nucleotides, fatty acids, monosaccharides) form polymers (proteins, nucleic acids, lipids, carbohydrates).
• Describe condensation reactions and hydrolysis as opposite processes that build and break macromolecules.
• Relate molecular structure of macromolecules to functions such as enzyme activity and transport across cell membranes.

Learning Objectives

• Explain how organ systems (circulatory, respiratory, digestive, and nervous) work together to support life.
• Describe the roles of tissues and organs and connect cellular activities to system-level outcomes.
• Use examples (like exercise) to show interdependence and homeostasis.

Learning Objectives

• Explain how cells coordinate using chemical and electrical signals
• Describe how receptors detect signals and trigger downstream responses
• Compare rapid nervous system signaling with longer-term endocrine hormone effects+ Show more

Learning Objectives

• Explain how phenotypic variation can result from interactions between genes and environmental factors.
• Describe how environmental conditions can influence gene expression and traits during development.
• Use examples (nutrition, temperature, inherited traits) to predict how traits may differ within a population.

Learning Objectives

• Explain how the relative positions of Earth, Moon, and Sun produce lunar phases through line-of-sight illumination and shadowing.
• Sequence the primary lunar phases and describe how they repeat in a predictable pattern.
• Identify conditions for solar and lunar eclipses, including alignment constraints and apparent sizes.

Learning Objectives

• Explain how gravitational attraction between a planet (or moon) and the Sun produces orbital motion
• Describe how orbital shape can be elliptical and how distance affects orbital speed and orbital period
• Use comparative examples (Earth–Moon and Jupiter–satellites) to reason about how mass and distance influence orbits

Learning Objectives

• Explain how land-use change, fossil fuel combustion, agriculture, and waste management can alter Earth’s biogeochemical cycles
• Describe how human activities can influence climate drivers and ecosystem structure
• Use cause-and-effect reasoning to connect environmental observations to human actions over time and space+ Show more

Learning Objectives

• Explain how tectonic, atmospheric, and hydrologic processes help cause different natural hazards.
• Describe patterns of hazard frequency, intensity, and location using evidence such as historical records and data.
• Analyze cause-and-effect relationships between hazard occurrence and impacts on communities and infrastructure.

Learning Objectives

• Explain how geoscience processes (plate tectonics, sedimentation, and weathering) help form mineral, energy, and groundwater resources.
• Describe how the locations of ore deposits, petroleum basins, and aquifers follow patterns in Earth’s geologic history and water flow.
• Evaluate how demand, extraction impacts, and technology affect long-term availability and responsible resource allocation.

Learning Objectives

• Explain how population trends and per-capita resource use affect Earth systems.
• Compare sustainability strategies such as renewable energy, conservation, circular resource use, and land management.
• Evaluate trade-offs among economic, social, and environmental priorities.+ Show more

Learning Objectives

• Explain how camber, thickness, chord length, and leading-edge curvature affect pressure distribution and lift.
• Compare simplified Bernoulli ideas with Newtonian ideas for lift in a clear, grade-appropriate way.
• Describe how angle of attack and critical angles relate to lift and stall.+ Show more

Learning Objectives

• Explain how a wind tunnel measures aerodynamic forces and moments on models using force balances and pressure taps
• Describe how similarity parameters (Reynolds and Mach numbers) affect scaled testing and boundary-layer behavior
• Calculate lift and drag coefficients from measured forces and interpret flow-visualization evidence+ Show more

Learning Objectives

• Explain how robotic spacecraft mission types (flyby, orbiter, lander, sample-return) differ in purpose and measurements
• Describe how distance, communication delay, and harsh planetary environments affect mission design
• Identify how propulsion, gravity assists, and onboard instrumentation help missions return useful data

Learning Objectives

• Explain how Earth’s axial tilt and orbital motion cause different seasons.
• Describe why the Northern and Southern Hemispheres experience opposite seasons.
• Connect changes in solar elevation and day length to seasonal temperature differences.+ Show more

Learning Objectives

• Identify major components of the solar system, including planets, dwarf planets, and small-body regions.
• Compare terrestrial and gas giant planets using basic composition, atmospheres, and typical temperatures.
• Explain how orbital distance and energy from the Sun relate to planetary environments and habitability.

Learning Objectives

• Compare the relative sizes and mean distances of the Sun, Earth, and Moon and relate these to their gravitational interactions.
• Explain how gravity between Earth and Moon produces a shared orbital motion around their barycenter.
• Describe how the Sun’s stronger gravity dominates the overall Sun–Earth–Moon system and helps maintain stable orbits.+ Show more

Learning Objectives

• Explain power as the rate of energy transfer in electrical systems
• Connect power to voltage and current relationships in everyday circuit examples
• Describe how energy use depends on both power and time, and relate this to heat dissipation and efficiency

Learning Objectives

• Explain how electronic sensors, digital probes, and data loggers work together to collect measurements
• Choose appropriate sampling rate and resolution to improve measurement accuracy and record usefulness
• Describe calibration steps and the importance of documenting units, settings, and measurement context+ Show more

Learning Objectives

• Identify morphological, physiological, and behavioral adaptations that help organisms survive in specific environments.
• Explain how inherited traits can improve survival, predator avoidance, and reproductive success.
• Compare how different environments (desert vs. temperate regions) favor different adaptation patterns.

Learning Objectives

• Identify and describe five common forms of energy: kinetic, potential, thermal, chemical, and electrical.
• Connect each energy form to familiar everyday examples such as a rolling ball, a raised weight, warm objects, and batteries.
• Distinguish among energy forms using key descriptive features (motion, position, molecular activity, and electric charges).

Learning Objectives

• Explain why organisms compete for limited resources such as space, light, water, and nutrients
• Describe how traits and behaviors affect access to resources during competition
• Predict how competition can change population sizes and influence which species persist in a community

Learning Objectives

• Explain how decomposers (fungi and bacteria) break down dead organisms and waste
• Describe how decomposers return nutrients to soil and water for producers to reuse
• Connect decomposer activity to ecosystem productivity, growth patterns, and long-term sustainability

Learning Objectives

• Explain how predator and prey populations affect each other in an ecosystem
• Identify examples of prey adaptations that reduce predator capture
• Describe cause-and-effect feedback loops in food webs+ Show more

Learning Objectives

• Describe how gravity causes mass wasting and how unstable slopes lead to movement of rock and soil.
• Explain how water, freeze-thaw, earthquakes, and erosion can trigger mass wasting.
• Compare rockfalls, landslides, and slumps using key features and examples.+ Show more

Learning Objectives

• Explain how energy (stream speed or wind strength) affects the size of particles that can be transported.
• Describe how decreasing energy leads to sediment sorting and layered deposition.
• Identify real-world landforms (stream bars, sandbars, and beach/river-delta zones) formed by sediment sorting.

Learning Objectives

• Explain how prototype evaluation uses evidence (measurements and observations) to judge system performance.
• Identify constraints and describe how limits affect what improvements are acceptable.
• Use criteria to compare prototype results and determine next improvements.

Learning Objectives

• Explain how systems thinking treats a solution as interacting parts with inputs, pathways, and outputs
• Use cause-and-effect reasoning to predict how changes to one component affect overall performance
• Describe how real-world testing can reveal why a design succeeds or fails

Learning Objectives

• Explain what makes a scientific question testable by linking it to measurable evidence.
• Identify variables: what can change, what must stay the same, and what gets measured.
• Revise a question so it includes measurable outcomes and clear comparisons.

Learning Objectives

• Describe how the relative positions of the Sun, Earth, and Moon help explain lunar phases.
• Explain how alignment can produce solar and lunar eclipses using the idea of shadows.
• Connect the Moon’s gravity to tides on Earth and identify how tides change over time.

Learning Objectives

• Identify major forest types (boreal mixedwood, montane, subalpine, and aspen parkland) using tree species and environmental conditions.
• Explain how abiotic factors like elevation, soil moisture, and fire history influence where forest types grow.
• Use Alberta examples to describe how forest boundaries form and why habitat diversity changes.

Learning Objectives

• Select an appropriate graph type (line, bar, or scatter plot) for a given set of data and purpose.
• Label axes correctly and choose scales that show patterns without misleading impressions.
• Use annotations to clarify important features in a dataset or graph.

Learning Objectives

• Use evidence to explain how ecosystem changes can cause population increases or declines
• Interpret population data (birth/death rates, age structure, and growth patterns) to support claims
• Connect ecosystem interactions (predators, prey, invasive species, disease) to trophic cascades and recovery or collapse

Learning Objectives

• Explain how decomposers break down dead organisms and waste and return matter to the environment.
• Describe how nutrients and atoms move from decomposers to producers and support ecosystem functioning.
• Use cause-and-effect reasoning to connect decomposition to nutrient availability in soil and water.

Learning Objectives

• Use comparative test data to identify performance patterns and trade-offs between design alternatives
• Interpret graphs and averages to support design decisions within given constraints
• Discuss error, variability, and uncertainty when deciding whether one design is truly better than another

Learning Objectives

• Distinguish structural, behavioural, and physiological adaptations and give examples of each.
• Explain how adaptations can improve survival and reproductive success in a specific niche.
• Describe how inherited traits differ from acquired characteristics and how natural selection changes traits over generations.+ Show more

Learning Objectives

• Explain how adaptation tradeoffs connect to fitness in changing environments
• Compare specialists and generalists by their benefits and costs
• Use examples (plants, insects, and migration) to predict which strategy may be favored under fluctuating conditions+ Show more

Learning Objectives

• Explain how species richness, abundance, and evenness describe biodiversity in different ecosystems.
• Use sampling ideas (transects and quadrats) to quantify biodiversity and compare habitats.
• Interpret simple biodiversity indices and relate diversity patterns to ecosystem stability, resilience, and conservation.

Learning Objectives

• Differentiate between a fundamental niche and a realized niche and explain why the realized niche is usually smaller.
• Identify how abiotic factors (environmental conditions) and biotic interactions (other species) affect where organisms live and what resources they use.
• Use examples of temporal and spatial partitioning to explain how similar species can coexist.+ Show more