Grade 12 Science Worksheets

Learning Objectives

• Describe the main processes involved in plate tectonics and their geological features.
• Identify the types of plate boundaries and associated landforms.
• Interpret seismic patterns and rock assemblages to understand past tectonic movements.+ Show more

Learning Objectives

• Understand how scientific discoveries translate into applied technologies.
• Identify the roles of intellectual property, patenting, and technology transfer in innovation.
• Describe the processes of translational research, product development, and commercialization.+ Show more

Learning Objectives

• Understand the key concepts of biodiversity patterns, ecological interactions, and resilience mechanisms.
• Assess how species richness, functional diversity, and trophic structures contribute to ecosystem stability.
• Evaluate the impacts of invasive species and habitat fragmentation on ecological thresholds and tipping points.+ Show more

Learning Objectives

• Understand the concept of enthalpy change and its significance in chemical processes.
• Identify the signs and conventions for exothermic and endothermic reactions.
• Apply Hess’s law and standard enthalpies of formation to calculate reaction enthalpies.+ Show more

Learning Objectives

• Describe key ecosystem processes such as primary productivity, decomposition, and nutrient cycling.
• Explain biogeochemical cycles of carbon, nitrogen, and phosphorus and their ecological significance.
• Identify Alberta-specific examples of ecosystem processes like peatland carbon sequestration and boreal fire effects.+ Show more

Learning Objectives

• Understand the different types of evidence supporting the theory of evolution.
• Identify examples of fossil records, morphological similarities, and molecular data.
• Explain how biogeography and genetic analyses contribute to understanding evolutionary relationships.+ Show more

Learning Objectives

• Understand the sources and types of uncertainty in scientific measurements and data.
• Learn how to quantify uncertainty using statistical methods such as confidence intervals and hypothesis testing.
• Interpret non-significant results in the context of uncertainty analysis.+ Show more

Learning Objectives

• Understand the fundamental principles of Newtonian mechanics and how forces influence motion.
• Apply Newton's three laws to analyze real-world problems involving frictional and drag forces.
• Interpret and construct free-body diagrams for complex systems under multiple forces.+ Show more

Learning Objectives

• Understand the concept of equilibrium constants (Kc and Kp) and their significance in chemical systems.
• Explain the role of the reaction quotient Q in predicting the direction of chemical reactions.
• Describe how temperature influences equilibrium constants through enthalpic effects.+ Show more

Learning Objectives

• Understand how gravitational force depends on mass and distance.
• Explain how gravity influences planetary motion and satellite trajectories.
• Model orbital motion as a form of free-fall under gravity.+ Show more

Learning Objectives

• Explain how matter cycles through ecosystems via biogeochemical pathways connecting atmospheric, aquatic, and soil reservoirs.
• Describe carbon cycling through photosynthesis, respiration, and decomposition.
• Outline key nitrogen transformations: nitrogen fixation, nitrification, assimilation, and denitrification.+ Show more

Learning Objectives

• Describe the development of atomic models from Dalton to quantum mechanical models.
• Explain how subatomic particles influence atomic mass and behavior.
• Apply understanding of isotopes in geological and resource contexts.+ Show more

Learning Objectives

• Explain how atmosphere, oceans, land, and ice interact in Earth’s climate system.
• Describe positive and negative feedbacks and how they change the likelihood of extreme weather.
• Use cause-and-effect reasoning to connect feedback mechanisms to droughts, heavy precipitation, and heat waves.

Learning Objectives

• Explain how wave reflection and refraction occur at boundaries between media with different properties.
• Use impedance mismatch and wave-speed concepts to predict changes in direction and speed of waves.
• Apply Snell-like reasoning with an index of refraction to describe refraction for light waves.

Learning Objectives

• Explain why temperature remains constant during melting and boiling while energy continues to be absorbed or released.
• Interpret heating curves (slopes and plateaus) in terms of particle model changes and interactions.
• Connect latent heat and specific phase change energy to the amount of matter undergoing a phase change.+ Show more

Learning Objectives

• Interpret and describe patterns in scientific data using graphs, descriptive statistics, and trend language.
• Fit and compare mathematical models using residuals and goodness-of-fit metrics while checking assumptions.
• Communicate uncertainty and limitations clearly, including how error bars and decision thresholds affect conclusions.

Learning Objectives

• Identify independent and dependent measures and explain why their operational definitions matter for valid inference.
• Apply experimental design strategies such as control, replication, randomization, and blocking to reduce bias and confounding.
• Plan and justify statistical analyses (e.g., ANOVA, regression) by checking assumptions and interpreting results within valid limits.

Learning Objectives

• Integrate the first and second laws of thermodynamics to analyze chemical energy changes using internal energy, enthalpy, and entropy.
• Predict reaction spontaneity and equilibrium direction using Gibbs free energy and its temperature dependence.
• Explain how energy conservation and coupled reactions influence overall energy flow in combustion and electrochemical systems.+ Show more

Learning Objectives

• Create concise, evidence-based scientific abstracts and oral openings that clearly state a testable hypothesis.
• Apply slide design norms and timing constraints to support audience understanding during oral presentations.
• Interpret and respond to data-based questions using precise technical terminology appropriate for disciplinary audiences.+ Show more

Learning Objectives

• Identify independent, dependent, and confounding variables in biological and environmental investigations.
• Select appropriate strategies to control confounding variables, including randomization and matched controls.
• Explain how blinding and replication reduce bias and improve the reliability of conclusions.+ Show more

Learning Objectives

• Explain how carbon and nitrogen move through environmental reservoirs using pathway and mass-balance reasoning
• Apply steady-state and reservoir-exchange-rate concepts to interpret flux measurements
• Evaluate how human activities alter carbon fluxes and nitrogen inputs and predict system-level consequences (e.g., eutrophication)

Learning Objectives

• Explain how observations, measurements, and logical reasoning support scientific claims.
• Identify how to state investigable questions and develop testable hypotheses.
• Evaluate alternative explanations using evidence, patterns, and independent checks.+ Show more

Learning Objectives

• Explain how energy can be stored in electric and magnetic fields and relate it to energy density.
• Describe how work done to assemble charge or current distributions becomes field energy in circuits.
• Use energy flux ideas (Poynting vector) to connect microscopic fields to macroscopic power transfer.

Learning Objectives

• Explain how environmental monitoring networks are designed using representative sampling and appropriate sensor placement.
• Select indicators and justify temporal and spatial resolution for detecting long-term environmental trends.
• Apply quality assurance ideas to improve reliability and interpret results in the presence of spatial heterogeneity and human (anthropogenic) sources.

Learning Objectives

• Explain how mineral and energy resource assessment uses geological and geophysical evidence to estimate deposit size and quality.
• Differentiate measured reserves from inferred resources and describe why confidence levels differ.
• Evaluate how extraction methods and environmental constraints (waste, water demand, and greenhouse gases) affect project feasibility.+ Show more

Learning Objectives

• Explain radioactive decay, half-life, and activity using quantitative relationships.
• Apply conservation of nucleon number and charge to balance nuclear equations.
• Analyze nuclear reaction energetics using mass-energy concepts and interpret decay chains.

Learning Objectives

• Explain how energy is transferred and dissipated in oscillatory systems, including the role of damping.
• Analyze how resonance and driving frequency affect amplitude and energy flow in forced oscillations.
• Apply conservation of energy to systems with non-conservative forces such as friction and air resistance.

Learning Objectives

• Explain how environmental pressures can change allele frequencies through differential survival and reproduction.
• Differentiate directional, stabilizing, and disruptive selection and predict how each affects trait distributions.
• Use examples like antibiotic resistance to connect genetic variation to observable evolutionary change.

Learning Objectives

• Explain how genetic drift and selection can both change allele frequencies over generations.
• Use probability-based reasoning to predict changes in allele frequencies in small vs. large populations.
• Interpret statements about evolutionary mechanisms using population-level models.

Learning Objectives

• Explain how calibration, precision, accuracy, and traceability contribute to measurement integrity in laboratory instrumentation.
• Differentiate random error and systematic bias, and describe how repeatability and uncertainty are quantified.
• Apply calibration models to correct instrument response and interpret how measurement properties affect derived parameters and data analysis.+ Show more

Learning Objectives

• Use integrated modeling to validate scenarios using quantitative evidence and uncertainty bounds.
• Construct and justify criteria for model adequacy and reconcile discrepancies between model outputs and observations.
• Communicate inferential strength, limitations, and confidence in forecasted outcomes.

Learning Objectives

• Explain how uncertainty can be represented using probability and interpret outcomes under both frequentist and Bayesian perspectives.
• Update beliefs using Bayesian reasoning by combining a prior with a likelihood to obtain a posterior.
• Use probabilistic statements to support decision-making, including communicating uncertainty and model limitations.

Learning Objectives

• Explain how radiative balance, conduction, convection, and latent heat transfer energy within Earth systems.
• Use conservation of energy to build simple energy budgets that connect energy fluxes to observable patterns.
• Interpret how scale affects energy pathways, from microscale processes to macroscopic weather, ocean, and geothermal signals.

Learning Objectives

• Translate technical science findings into clear, audience-appropriate public messages without overstating certainty.
• Apply risk-communication principles to explain probability, uncertainty, and potential harms responsibly.
• Evaluate how framing, ethical privacy choices, and stakeholder needs affect the credibility of science communication.

Learning Objectives

• Explain how measurement error, sampling variability, and model uncertainty affect scientific conclusions in monitoring programs.
• Use propagation ideas to reason about how uncertainty in inputs influences uncertainty in a derived result.
• Interpret hypothesis tests and confidence intervals, including what non-significant results do and do not mean.+ Show more

Learning Objectives

• Interpret how proxy archives (ice cores, marine sediments, tree rings, and speleothems) are used to reconstruct past temperature and precipitation variability.
• Evaluate how isotopic, chemical, and biological indicators provide climate information, including likely sources of bias and resolution limits.
• Explain how calibration and age-model construction enable conversion from proxy measurements to time-stamped climate histories.+ Show more

Learning Objectives

• Explain conservation of atoms using atomic rearrangement and electron reorganization during chemical reactions.
• Use conservation reasoning to interpret balanced chemical equations and mass relationships.
• Distinguish between rearrangement (bond breaking/forming) and actual creation/destruction of atoms in reactions.

Learning Objectives

• Explain chemical equilibrium in terms of equal forward and reverse reaction rates and constant equilibrium concentrations
• Use equilibrium constant expressions (Kc) and reaction quotient (Q) to predict the direction of shift
• Apply Le Chatelier’s principle to qualitatively predict how changes in concentration, pressure, or temperature affect equilibrium+ Show more

Learning Objectives

• Explain how ethical, legal, and social considerations shape the use of biotechnology.
• Evaluate biosafety, intellectual property, ecological risk, and equitable access in real-world cases.
• Analyze how regulatory frameworks and public consultation influence biotechnology deployment.+ Show more

Learning Objectives

• Explain how gravity drives large-scale structure formation in the universe through matter clustering.
• Interpret observational evidence (distribution of matter and motion of galaxies) that supports gravitational organization over time.
• Connect orbital motion and interactions to changes in galactic-scale clustering patterns.

Learning Objectives

• Explain how the water cycle redistributes water through evaporation, condensation, precipitation, runoff, infiltration, groundwater flow, and storage.
• Analyze how temperature, land cover, and atmospheric circulation create variability in local water outcomes.
• Connect short-term weather patterns to longer-term climate impacts using reservoir and energy considerations.

Learning Objectives

• Explain how mass defect is connected to binding energy and energy release or absorption in nuclear processes using E = mc^2
• Use conservation of nucleon number (A) and charge (Z) to predict particles and products in nuclear decay and reactions
• Relate nuclear mass-energy changes to observable radiation and kinetic energy in decay chains, fission, and fusion

Learning Objectives

• Explain how human activities can change population dynamics, habitat structure, and limiting resources across trophic levels
• Use cause-and-effect reasoning to predict ecological outcomes such as altered population sizes and reduced biodiversity
• Analyze how biodiversity loss can affect ecosystem stability and ecosystem services

Learning Objectives

• Explain key principles of scientific ethics, including research integrity, informed consent, data stewardship, and conflicts of interest
• Apply ethical norms to realistic research scenarios, including decisions about reproducibility, peer review, and institutional review
• Evaluate how misconduct and transparent correction processes affect scientific trust and public outcomes

Learning Objectives

• Explain energy conservation in a closed system using heat transfer and work as mechanisms of energy exchange.
• Distinguish between energy changing form (kinetic, thermal, mechanical) and energy transferring between systems.
• Use before-and-after quantitative reasoning (signs and trends in temperature and motion) to track energy changes.

Learning Objectives

• Interpret p-values, confidence intervals, and effect sizes as evidence and evaluate practical significance in scientific contexts.
• Assess regression assumptions using diagnostics such as residual plots and identify when model revisions are needed.
• Select and justify inferential methods by connecting assumptions, uncertainty, and limitations to conclusions.

Learning Objectives

• Explain how scientific discovery can progress to applied technologies through translational research, patenting, and technology transfer.
• Identify key roles of research funding, industry partnerships, and regulatory constraints in commercialization.
• Evaluate scaling challenges and select metrics for measuring innovation impact beyond publications.

Learning Objectives

• Describe how historical atomic models (Dalton, Thomson, Rutherford, Bohr) evolved with new experimental evidence.
• Explain how electron structure and probabilistic orbitals relate to atomic mass and atomic behavior.
• Interpret isotope and radiation ideas in real-world contexts, including geological dating and uranium deposits.+ Show more