Grade 12 Worksheets

Learning Objectives

• Describe the main pathways and components of biogeochemical cycles such as carbon, nitrogen, and phosphorus.
• Explain how weathering, biological activity, and human impacts influence element cycling.
• Analyze the interconnectedness of biosphere productivity, oceans, atmosphere, and lithosphere in cycle regulation.+ Show more

Learning Objectives

• Evaluate renewable and nonrenewable resource allocation strategies.
• Analyze water budgeting, energy portfolios, and waste handling methods.
• Understand lifecycle assessments and sustainability trade-offs in resource management.+ Show more

Learning Objectives

• Explain the process of nuclear fusion occurring in the sun's core.
• Describe how changes in fusion rates influence the sun's energy output.
• Connect stellar fusion processes to element formation and the evolution of stars.+ Show more

Learning Objectives

• Trace the development of atomic models from Dalton to Rutherford and Bohr.
• Describe empirical evidence supporting atomic theory, such as cathode ray experiments and gold foil scattering.
• Explain concepts of nuclear charge, mass number, and isotopic abundance.+ Show more

Learning Objectives

• Understand how atomic structure influences periodic trends such as reactivity, electronegativity, and ion formation.
• Analyze patterns in electron arrangements across periods and groups in the periodic table.
• Explain the relationship between atomic number, electron configuration, and element properties.+ Show more

Learning Objectives

• Understand how genetic drift and natural selection influence allele frequencies in populations.
• Describe the role of probability in modeling evolutionary processes.
• Differentiate between randomness and selection as mechanisms driving evolution.+ Show more

Learning Objectives

• Understand the interactions and energy transfer mechanisms among atmosphere, hydrosphere, lithosphere, and cryosphere.
• Explain the concepts of radiative balance, albedo effects, and the hydrologic cycle in climate variability.
• Analyze the role of seasonal insolation, ocean–atmosphere coupling, and biogeochemical feedbacks in system equilibrium.+ Show more

Learning Objectives

• Understand the components of risk assessment including hazard identification, exposure assessment, and consequence evaluation.
• Explain the role of governance frameworks in managing socio-environmental decisions.
• Identify the importance of stakeholder engagement, legal tools, and evidence synthesis in balancing technological benefits with environmental protection.+ Show more

Learning Objectives

• Explain the process of gene transcription and translation.
• Identify the roles of promoters, enhancers, and transcription factors in gene regulation.
• Describe how epigenetic modifications influence gene expression patterns.+ Show more

Learning Objectives

• Understand the fundamental properties of wave characteristics such as wavelength, frequency, amplitude, and wave speed.
• Apply quantitative models to predict wave propagation across different media.
• Describe real-world examples of wave behaviour, including seismic waves and optical refraction phenomena.+ Show more

Learning Objectives

• Understand the applications of biotechnology in agriculture, diagnostics, and environmental remediation.
• Analyze genetic strategies used for crop resilience and the ethical considerations involved.
• Identify molecular detection techniques for plant and animal pathogens.+ Show more

Learning Objectives

• Understand the mechanisms and processes behind allopatric, sympatric, and peripatric speciation.
• Analyze how geographic and ecological factors contribute to reproductive isolation and divergence.
• Examine examples of speciation in Alberta's alpine plants and insects due to postglacial and montane fragmentation.+ Show more

Learning Objectives

• Classify interactions between atoms into ionic, covalent, and metallic bonds.
• Explain the assembly of compounds and solids based on bond types.
• Compare bond energies, electron sharing, and typical properties of each bond type.+ Show more

Learning Objectives

• Explain the principles and components involved in recombinant DNA techniques.
• Identify and describe key methods such as plasmid cloning, restriction mapping, and genome editing.
• Discuss applications of recombinant DNA in agriculture, diagnostics, and biotechnology.+ Show more

Learning Objectives

• Understand the components and functions of cellular regulatory networks.
• Explain how signalling pathways, transcription factors, and noncoding RNAs interact to control gene expression.
• Describe the role of epigenetic modifications in gene regulation during development and environmental responses.+ Show more

Learning Objectives

• Understand the interconnected concepts of molecular genetics, gene regulation, and evolutionary mechanisms.
• Analyze how ecological interactions influence genetic variation and population responses.
• Apply knowledge of mutation, selection, gene flow, and ecosystem effects to real-world examples.+ Show more

Learning Objectives

• Understand the process of electronic transitions that produce atomic spectra.
• Identify the importance of spectral patterns in element and isotope identification.
• Explain concepts such as selection rules, line broadening, and energy quantization in spectroscopy.+ 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 principles of sensor selection and calibration in measurement systems.
• Analyze signal processing techniques and resolution limits for accurate data acquisition.
• Evaluate sampling rates, aliasing considerations, and interfacing procedures in scientific instrumentation.+ Show more

Learning Objectives

• Explain the mechanisms of species formation, including geographic isolation, ecological divergence, and chromosomal changes.
• Identify evidence used by scientists to study speciation through phylogenetic trees and fossil records.
• Describe how hybridization and adaptive radiation contribute to the diversity of species.+ Show more

Learning Objectives

• Understand the principles of electrochemical cells, including redox reactions at electrodes.
• Differentiate between galvanic and electrolytic cells and their functions.
• Learn how to calculate cell potential using standard reduction potentials and understand electrode conventions.+ Show more

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 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 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

• 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 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 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

• 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

• 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

• 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

• 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 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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 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 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 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 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 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 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 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.