Grade 12 Worksheets

Learning Objectives

• Identify Earth’s internal layers (crust, mantle, outer core, inner core) and describe key properties of each.
• Explain how seismic-wave observations provide evidence for layer boundaries and internal composition.
• Use evidence-based reasoning to connect seismic records and density/phase changes to tectonic and geodynamic processes.

Learning Objectives

• Explain how life-cycle thinking balances benefits and risks of battery technologies over extraction, manufacturing, use, and end-of-life.
• Connect scientific mechanisms (degradation chemistry, thermal limits, and recycling recovery efficiency) to engineering design choices.
• Use uncertainty in long-term performance to compare competing EV battery management and recycling strategies.

Learning Objectives

• Explain how carbon, nitrogen, and phosphorus move among the lithosphere, hydrosphere, atmosphere, and biosphere.
• Describe the roles of weathering, biological uptake, and decomposition in shaping atmospheric and ocean chemistry.
• Analyze how human activity changes biogeochemical cycle rates and reservoirs, and how natural feedbacks can regulate long-term concentrations.

Learning Objectives

• Explain why ethical review and research integrity protect participants, animals, and scientific trust.
• Identify common conflicts of interest and describe practical steps to manage them transparently.
• Apply norms for data management, authorship, reproducibility, and handling anomalous or negative results.

Learning Objectives

• Calculate reaction enthalpy using standard enthalpies of formation and combustion data.
• Apply Hess’s law to combine enthalpy terms for a net chemical equation.
• Use bond enthalpies to make approximate energy estimates and compare reaction pathways.

Learning Objectives

• Compare structural features of prokaryotic and eukaryotic cells and relate them to specific functions.
• Explain how membrane composition and compartmentalization influence subcellular processes.
• Use microscopy and localization ideas to interpret organelle morphology and macromolecule distribution.

Learning Objectives

• Explain how scientific and technological decisions create benefits and harms that are distributed unevenly across society.
• Analyze public health, environmental, and economic trade-offs using evidence and clear criteria.
• Evaluate how risk perception and governance frameworks shape policy choices during technological change.

Learning Objectives

• Describe how species richness, functional diversity, and trophic structure shape ecosystem stability and resilience.
• Explain how carrying capacity and population regulation influence recovery after disturbances.
• Analyze how disturbance regimes and habitat fragmentation affect resistance, recovery, and ecosystem service continuity.

Learning Objectives

• Explain how adaptations can improve survival in one environment while causing tradeoffs in another.
• Analyze how resource availability and predation pressure influence which traits increase fitness.
• Use examples such as color morphs and camouflage to connect environmental context to population success.

Learning Objectives

• Explain how energy transferred into or out of a system causes measurable temperature change.
• Differentiate exothermic and endothermic processes using particle energy (motion vs. potential configurations).
• Use conservation of energy to interpret temperature change as evidence of energy transfer, not energy creation.

Learning Objectives

• Explain how centripetal acceleration and centripetal force relate to tangential speed and radius in circular motion.
• Use angular velocity and period to analyze uniform and non-uniform rotation in real systems.
• Apply equations for circular motion to predict changes in speed and design implications for safety.

Learning Objectives

• Explain how qualitative and quantitative models represent relationships suggested by data.
• Use linear and proportional reasoning to interpret graphs and compare predictions to measurements.
• Evaluate whether a model supports or refutes a claim by considering expected variation and underlying assumptions.

Learning Objectives

• Define linear momentum and explain how impulse relates to changes in momentum
• Describe how momentum is conserved in an isolated system and distinguish external forces from internal forces
• Compare elastic and inelastic collisions using momentum conservation and kinetic energy outcomes+ Show more

Learning Objectives

• Explain how conservation of momentum applies to systems with changing mass.
• Relate mass ejection or accretion to thrust and changes in a vehicle’s velocity.
• Connect mass flow rate and exhaust velocity to vehicle acceleration and propulsion design.

Learning Objectives

• Explain how chromosome segregation during meiosis leads to allele combinations in offspring.
• Use dominance, recessiveness, and Punnett-square reasoning to predict genotype and phenotype outcomes.
• Describe how recombination during sexual reproduction can produce new allele combinations.

Learning Objectives

• Explain how environmental pressures change allele frequencies through differential survival and reproduction
• Differentiate patterns of selection (directional, stabilizing, disruptive) and predict their outcomes
• Use examples such as antibiotic resistance to connect natural selection to observable evolutionary change

Learning Objectives

• Identify how evidence supports (or fails to support) a scientific claim.
• Evaluate whether uncertainty and limitations are acknowledged in a scientific argument.
• Assess whether controls and comparisons justify the interpretation.

Learning Objectives

• Evaluate trade-offs between renewable and nonrenewable resource allocation using sustainability criteria and data.
• Apply basic water budgeting and energy portfolio thinking to analyze long-term urban resource supply.
• Use lifecycle assessment and carrying-capacity constraints to compare extraction, reclamation, and waste-handling options.

Learning Objectives

• Explain how plate interactions at divergent, convergent, and transform boundaries produce major Earth surface processes.
• Use evidence (rock ages, magnetic seafloor stripes, and earthquake patterns) to support the plate-motion model.
• Describe how internal Earth energy drives long-term plate movement.

Learning Objectives

• Explain how heating curves show temperature plateaus during melting and boiling
• Use the particle model to describe what happens to spacing and interactions during phase changes
• Connect the energy required for a phase change to latent heat rather than temperature increase

Learning Objectives

• Select appropriate independent and dependent measures for experimental questions and explain why each matters for inference.
• Describe how control strategies, replication, randomization, and blocking reduce bias and improve validity.
• Plan an analysis using appropriate statistical tests (e.g., ANOVA vs. regression), including assumptions and limits on causal claims and generalizability.

Learning Objectives

• Compare how impact processes and endogenic activity shape the surfaces of terrestrial planets and icy bodies.
• Explain how internal structure and thermal evolution are inferred from cratering, volcanic, tectonic, and erosion evidence.
• Interpret remote sensing and in situ observations as data used to reconstruct planetary geologic histories.

Learning Objectives

• Distinguish classical Mendelian inheritance from extended inheritance models such as incomplete dominance, codominance, polygenic inheritance, and sex-linked traits
• Interpret genotype expectations from Punnett squares and explain how dominance, dominance hierarchies, and environmental effects can change outcomes
• Use pedigree patterns and linkage/recombination concepts to predict and evaluate trait transmission

Learning Objectives

• Explain how energy flows one direction through ecosystems while matter cycles through biotic and abiotic components.
• Describe how photosynthesis and cellular respiration move carbon between organisms and the environment.
• Analyze how decomposers return nutrients to soil and water and why nutrient availability affects ecosystem productivity.+ Show more

Learning Objectives

• Explain how different types of mutations change genetic information and can affect gene function or regulation.
• Describe how DNA sequence changes can alter proteins and produce phenotypic variation.
• Connect mutation-generated genetic variation to adaptation and evolution under environmental pressure.

Learning Objectives

• Explain how energy from the Sun is redistributed by the atmosphere, oceans, land, and ice.
• Describe positive and negative feedbacks and how they can change Earth’s climate patterns over time.
• Use cause-and-effect reasoning to predict how a change in one Earth system component can influence other components.

Learning Objectives

• Explain the stages of scientific inquiry from observation to conclusion using clear scientific language.
• Formulate and test a hypothesis by controlling variables and using operational definitions for measurements.
• Evaluate validity and reproducibility by applying measurement protocols and peer review practices.+ Show more

Learning Objectives

• Understand the interactions between atmosphere, hydrosphere, lithosphere, and cryosphere in climate systems.
• Analyze energy transfer mechanisms and matter cycling within Earth systems.
• Evaluate the effects of radiative balance and albedo on climate variability.+ Show more

Learning Objectives

• Understand the geological processes involved in mountain formation and orogeny.
• Identify the different tectonic settings that lead to mountain building, such as subduction zones and continent-continent collisions.
• Describe the geological features and records preserved in mountain ranges that inform us about past tectonic regimes.+ Show more

Learning Objectives

• Explain the first and second laws of thermodynamics in the context of chemical systems.
• Predict spontaneity and direction of reactions using Gibbs free energy, enthalpy, and entropy.
• Analyze energy flow in processes like combustion and electrochemical reactions.+ Show more

Learning Objectives

• Explain how iterative design cycles use criteria, constraints, and evidence to improve a solution.
• Identify the difference between early assumptions and evidence-based revisions in an engineering design process.
• Apply iterative design reasoning to a real-world product problem, such as preventing leaks in a sports water bottle lid.

Learning Objectives

• Understand the processes governing the transport and degradation of chemicals in soil and water systems.
• Analyze case studies involving contaminant pathways and long-term persistence.
• Evaluate factors such as partitioning, degradation rates, and equilibrium in contaminant distribution.+ Show more

Learning Objectives

• Analyze atomic packing and lattice structures in various solids.
• Identify different types of bonding and their influence on material properties.
• Apply band theory concepts to explain electronic properties of solids.+ Show more

Learning Objectives

• Understand the significance of SI units and calibration in measurement.
• Differentiate between accuracy, precision, systematic and random errors.
• Learn how instrument response and traceability affect data quality in Alberta field contexts.+ Show more

Learning Objectives

• Understand the semi-conservative mechanism of DNA replication
• Identify the roles of key enzymes such as helicase, primase, and DNA polymerase
• Explain mechanisms that ensure replication fidelity and repair+ Show more

Learning Objectives

• Analyze complex regional challenges using multi-criteria decision frameworks.
• Synthesize biological, chemical, and physical data to support evidence-based conclusions.
• Apply quantitative reasoning and uncertainty analysis in environmental or resource management scenarios.+ Show more

Learning Objectives

• Understand key concepts related to Science
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Understand how concentration affects reaction rate.
• Explain the influence of temperature, surface area, and catalysts on reaction speed.
• Interpret rate laws and reaction order from experimental data.+ Show more

Learning Objectives

• Explain the components of risk assessment including hazard identification, exposure assessment, and consequence evaluation.
• Describe governance frameworks used in socio-environmental decision-making such as pipeline siting and land reclamation.
• Analyze the role of stakeholder engagement, legal instruments, and transparent evidence in balancing development and environmental protection.+ Show more

Learning Objectives

• Understand the role of biotechnology in agricultural innovation, diagnostics, and bioremediation.
• Identify genetic improvement strategies used for crop resilience.
• Describe molecular detection techniques for plant and animal pathogens.+ Show more

Learning Objectives

• Explain how heritable variation and differential fitness lead to changes in allele frequencies over generations
• Distinguish directional selection from habitat-dependent variation in adaptation
• Analyze how ecological context influences which traits become more common in a population

Learning Objectives

• Understand the mechanisms that generate genetic variation, including mutations and recombination.
• Explain how genetic variation influences phenotypes and evolution.
• Compare Mendelian inheritance with polygenic inheritance and gene interactions.+ Show more

Learning Objectives

• Explain the concept of chemical equilibrium in reversible reactions.
• Predict how changes in concentration, pressure, and temperature shift chemical equilibria using Le Chatelier’s principle.
• Apply equilibrium expressions to optimize reaction yields and understand environmental implications.+ Show more

Learning Objectives

• Understand different models of chemical bonding and how they explain the behavior of atoms in molecules.
• Identify the principles behind ionic, covalent, and metallic bonding, including how electrons are shared or transferred.
• Explain how electronegativity differences predict bond polarity and how bond order and energy relate to bond length and strength.+ Show more

Learning Objectives

• Explain the flow of energy through trophic levels and its impact on ecosystem productivity.
• Identify key species and their roles within ecological communities, including keystone species.
• Describe trophic cascades and how changes at one level affect others.+ Show more

Learning Objectives

• Understand the principles of calibration and traceability in measurement systems.
• Describe methods for evaluating precision, accuracy, and systematic biases.
• Explain the importance of measurement properties in data analysis and reporting.

Learning Objectives

• Describe the organization of pigments and electron transport chains in photosynthesis.
• Explain the coupling of light energy capture to the Calvin cycle and carbon fixation.
• Analyze energy budgets, quantum yield, and flux measurements in photosynthesis.+ Show more

Learning Objectives

• Explain the energy exchange between potential and kinetic energy in oscillatory systems.
• Analyze the role of amplitude and damping in energy dissipation during oscillations.
• Interpret phase-space and energy diagrams of simple harmonic motion.+ Show more