Grade 12 Worksheets

Learning Objectives

• Explain how parental DNA strands serve as replication templates
• Describe complementary base pairing during DNA replication
• Identify the roles of enzymes in DNA synthesis+ Show more

Learning Objectives

• Identify radioactive decay and nuclear reactions in documented scientific examples.
• Compare nuclear applications across medicine, industry, and energy research.
• Apply half-life principles to interpret radioactive decay evidence.+ Show more

Learning Objectives

• Identify oscillatory motion and restoring forces in real-world systems.
• Explain the role of natural frequency in oscillating systems.
• Compare damping and amplitude changes across documented cases.+ Show more

Learning Objectives

• Analyze experimental evidence demonstrating quantized light–matter interactions.
• Calculate photon energy using the frequency of incident light.
• Explain how work function determines the threshold frequency.+ Show more

Learning Objectives

• Analyze experimental evidence that transformed historical models of atomic structure
• Explain how experiments established the existence of electrons and nuclei
• Describe the significance of electron energy levels in atomic models+ Show more

Learning Objectives

• Identify ethical, legal, and social concerns in biotechnology applications
• Compare scientific evidence and public values in biotechnology decisions
• Evaluate potential biotechnology benefits and risks using safety principles+ Show more

Learning Objectives

• Identify five major types of ecological species interactions.
• Explain how species interactions influence population dynamics.
• Analyze relationships between food webs and energy flow.+ Show more

Learning Objectives

• Apply the Aufbau principle to interpret electron configurations.
• Explain electron arrangements using the Pauli exclusion principle.
• Apply Hund's rule to electron occupancy in equal-energy orbitals.+ Show more

Learning Objectives

• Identify oxidation and reduction through changes in oxidation states.
• Analyze electron transfer in industrial and environmental redox processes.
• Interpret oxidation and reduction half-reactions in chemical processes.+ Show more

Learning Objectives

• Interpret quantitative evidence from Alberta scientific case studies.
• Evaluate how measurement uncertainty affects scientific conclusions.
• Explain how sampling methods influence the reliability of evidence.+ Show more

Learning Objectives

• Identify how measurement units influence scientific results.
• Explain the purpose of instrument calibration in scientific investigations.
• Distinguish measurement accuracy from precision.+ Show more

Learning Objectives

• Explain how wind, solar, and bioenergy systems convert energy.
• Compare renewable resource availability across different Alberta conditions.
• Analyze grid integration challenges associated with renewable energy technologies.+ Show more

Learning Objectives

• Identify energy inputs and useful outputs in real-world systems.
• Trace energy transformations through different energy technologies.
• Explain energy losses using conservation of energy principles.+ Show more

Learning Objectives

• Analyze how species interactions influence ecosystem stability.
• Explain how population changes affect ecological communities.
• Identify human impacts on habitats and food webs.+ Show more

Learning Objectives

• Identify biological, chemical, and physical processes in Alberta environmental cases.
• Explain interactions among processes contributing to environmental change.
• Compare causes of environmental disturbances across Alberta landscapes.+ Show more

Learning Objectives

• Analyze fossil evidence to interpret evolutionary history.
• Identify anatomical similarities that support common ancestry.
• Explain how geographic evidence informs evolutionary relationships.+ Show more

Learning Objectives

• Explain how quantized electronic transitions produce characteristic spectral lines
• Distinguish emission spectra from absorption spectra
• Interpret relationships between photon energy and wavelength+ Show more

Learning Objectives

• Identify measurement error in documented scientific investigations
• Distinguish sampling variability from model uncertainty
• Interpret how confidence intervals affect scientific conclusions+ Show more

Learning Objectives

• Identify exothermic and endothermic processes in industrial contexts.
• Interpret positive and negative signs of enthalpy change.
• Apply thermochemical equations to analyze reaction energy changes.+ Show more

Learning Objectives

• Identify wavelength, frequency, amplitude, and speed in documented wave cases.
• Compare wave types using their physical characteristics.
• Explain reflection and refraction in observable wave phenomena.+ Show more

Learning Objectives

• Analyze how atomic radius influences elemental behaviour.
• Explain how ionization energy relates to chemical reactivity.
• Interpret electron affinity in the context of elemental properties.+ Show more

Learning Objectives

• Explain how fluid velocity influences water and air movement.
• Analyze relationships between pressure and fluid flow.
• Compare laminar and turbulent flow in environmental systems.+ Show more

Learning Objectives

• Identify limiting reactants using balanced equations and reactant quantities.
• Determine excess reactants from stoichiometric relationships.
• Explain how reactant ratios constrain theoretical product yield.+ Show more

Learning Objectives

• Analyze how resistance, inductance, and capacitance influence AC impedance.
• Explain voltage-current phase relationships in alternating-current systems.
• Interpret the effects of power factor on electrical performance.+ Show more

Learning Objectives

• Identify research questions and methodological choices in scientific investigations.
• Compare sampling strategies and controlled comparisons across Alberta research cases.
• Evaluate measurement uncertainty, potential bias, and research limitations.+ Show more

Learning Objectives

• Distinguish allopatric, sympatric, and peripatric speciation using biological examples.
• Explain how geographic barriers restrict gene flow between populations.
• Identify founder effects in the divergence of isolated populations.+ Show more

Learning Objectives

• Explain how recombinant DNA methods produce useful biological products.
• Identify the roles of genetic material and vectors.
• Compare recombinant technology applications in medicine, agriculture, and research.+ Show more

Learning Objectives

• Compare nuclear fission and fusion using documented scientific examples.
• Explain how neutron behaviour affects controlled nuclear chain reactions.
• Describe the relationship between binding energy and nuclear energy release.+ Show more

Learning Objectives

• Explain how genetic diversity affects threatened population survival.
• Identify genetic risks associated with inbreeding and population isolation.
• Explain the importance of effective population size in conservation.+ Show more

Learning Objectives

• Explain how transcription converts DNA information into RNA.
• Describe how translation produces proteins from messenger RNA.
• Connect gene expression processes to observable biological traits.+ Show more

Learning Objectives

• Explain how genetic variation contributes to differences in phenotype.
• Analyze relationships between gene expression and observable biological traits.
• Evaluate how environmental pressures influence survival and evolutionary change.+ Show more

Learning Objectives

• Analyze how primary productivity contributes to ecosystem function.
• Explain the role of decomposition in ecosystem processes.
• Trace carbon, nitrogen, and phosphorus through ecosystem components.+ Show more

Learning Objectives

• Explain molecular shapes using VSEPR theory and electron-domain geometry.
• Interpret bond angles from three-dimensional molecular arrangements.
• Explain relationships between molecular geometry and polarity.+ Show more

Learning Objectives

• Integrate biological, chemical, and physical evidence in environmental investigations
• Interpret quantitative evidence related to environmental and energy challenges
• Compare technological solutions using environmental and economic criteria+ Show more

Learning Objectives

• Identify evolutionary forces that change allele frequencies in populations.
• Explain how mutation contributes to genetic variation.
• Analyze how environmental pressures influence natural selection.+ Show more

Learning Objectives

• Identify ionic, metallic, covalent network, and semiconductor crystal structures.
• Compare bonding arrangements in different types of crystalline solids.
• Explain how atomic arrangement influences electrical conductivity.+ Show more

Learning Objectives

• Identify demographic factors that influence population size and composition.
• Compare population growth, decline, recovery, and cyclical patterns.
• Explain how resource limitations influence population carrying capacity.+ Show more

Learning Objectives

• Identify nucleotide components and complementary DNA base pairs.
• Explain how antiparallel strands contribute to DNA architecture.
• Describe how chemical bonds maintain DNA structural stability.+ Show more

Learning Objectives

• Explain temperature effects on reaction rates using collision theory.
• Analyze how reactant concentration influences collision frequency.
• Explain how surface area changes reaction speed.+ Show more

Learning Objectives

• Explain how dissolution influences contaminant movement in environmental systems.
• Analyze how sorption and volatilization affect chemical transport.
• Describe how biodegradation influences long-term contaminant persistence.+ Show more

Learning Objectives

• Analyze reversible reactions in documented industrial and environmental applications.
• Apply equilibrium expressions to real-world chemical systems.
• Predict equilibrium shifts using Le Chatelier's principle.+ Show more

Learning Objectives

• Identify transcription factors involved in controlling gene expression.
• Explain how signalling pathways influence gene regulatory responses.
• Analyze the regulatory roles of noncoding RNAs.+ Show more

Learning Objectives

• Analyze scientific evidence used in Alberta environmental decisions
• Explain technological impacts on communities and natural environments
• Compare environmental benefits and risks of major development projects+ Show more

Learning Objectives

• Understand the fundamental principles of Le Chatelier's principle in chemical equilibria.
• Identify how changes in concentration, pressure, and temperature affect equilibrium systems.
• Explain the role of catalysts in shifting reaction rates without altering equilibrium positions.+ Show more

Learning Objectives

• Explain the purpose of ethical review in research and how it supports public trust and participant safety.
• Identify common research-integrity issues (conflicts of interest, data mismanagement, authorship problems) and their consequences.
• Apply ethical principles to situations involving reproducibility, transparent reporting, peer review, and anomalous or negative results.+ Show more

Learning Objectives

• Understand the concept of trade-offs in scientific and environmental decision-making.
• Identify different impacts—environmental, economic, and social—in design solutions.
• Analyze how optimizing one goal may worsen another constraint.+ Show more

Learning Objectives

• Identify homologous structures in different species.
• Understand how homologous structures support the theory of common ancestry.
• Recognize patterns of shared characteristics among organisms.+ Show more

Learning Objectives

• Understand the spectrum of electromagnetic waves and their properties.
• Relate frequency, wavelength, and energy through quantitative relations.
• Apply Maxwellian concepts to wave propagation, impedance, and attenuation in communication contexts.+ Show more