Grade 12 Science Worksheets

Learning Objectives

• Explain basic Mendelian inheritance and dominance.
• Identify various inheritance patterns such as linkage, sex linkage, incomplete dominance, and polygenic traits.
• Interpret pedigree charts to determine modes of inheritance.+ Show more

Learning Objectives

• Understand how population dynamics influence community structure in Alberta ecosystems.
• Analyze trophic relationships and energy transfer within food webs.
• Evaluate the impacts of habitat alteration, invasive species, and climate variability on ecosystems.+ Show more

Learning Objectives

• Apply ICE tables to calculate equilibrium concentrations and constants.
• Use reaction quotient and algebraic methods to predict reaction direction.
• Extend equilibrium analysis to pressure-dependent and common-ion systems.+ Show more

Learning Objectives

• Identify different sources and types of uncertainty in scientific measurements and models.
• Distinguish between systematic bias, random error, and conceptual model uncertainty.
• Apply exemplars like instrument drift and sampling variability to illustrate propagation of uncertainty.+ Show more

Learning Objectives

• Define conventions and interpretation strategies for various graphical data representations.
• Identify trends and patterns in scatter plots, residual plots, histograms, and log–log axes.
• Assess the quality of data fits qualitatively and quantify fit using various methods.+ Show more

Learning Objectives

• Identify the main forcings that influence climate variability and change.
• Understand the concepts of radiative forcing and feedback loops such as ice-albedo and water vapor responses.
• Compare the roles of different climate drivers across various timescales using simple models.+ Show more

Learning Objectives

• Identify the major components of Earth's systems and their interactions.
• Explain fluxes of energy and mass across atmosphere, hydrosphere, biosphere, and geosphere.
• Describe modeling concepts such as steady-state and transient responses in planetary systems.+ Show more

Learning Objectives

• Understand core principles of scientific ethics including research integrity and informed consent.
• Recognize case studies illustrating responsible conduct in research.
• Explain mechanisms such as peer review and institutional review processes that uphold ethics.+ Show more

Learning Objectives

• Define key mechanisms of speciation and understand how they contribute to the formation of new species.
• Identify factors such as geographic isolation, ecological divergence, and chromosomal changes that promote speciation.
• Analyze patterns in phylogenetic trees and fossil records as evidence for speciation events.+ Show more

Learning Objectives

• Identify observable evidence that indicates a chemical reaction has occurred (gas, color change, precipitate, temperature change).
• Explain reaction evidence using particle-level reasoning (bonds break and form while atoms are conserved).
• Distinguish endothermic and exothermic reactions based on temperature changes and energy flow.

Learning Objectives

• Distinguish endothermic from exothermic reactions using heat flow and the sign of ΔH.
• Interpret energy (reaction coordinate) profiles to determine relative potential energy of reactants and products.
• Explain endothermic behavior using bond energies (energy required to break bonds vs energy released when new bonds form).+ Show more

Learning Objectives

• Explain why circular motion requires a net force directed toward the center and how it creates centripetal acceleration.
• Use a_c = v^2/r and F_c = m v^2/r to predict how changes in speed or radius affect the required inward force.
• Apply centripetal concepts to orbits, using gravity as the centripetal force to relate orbital speed, radius, and central mass.

Learning Objectives

• Explain energy system efficiency as the fraction of input energy converted into useful output energy.
• Identify common loss pathways in energy systems and describe how design choices can reduce these losses.
• Analyze how insulation, surface area, and control systems affect conversion efficiency.+ Show more

Learning Objectives

• Explain how Earth's internal energy drives tectonic plate motion over geologic time.
• Compare divergent, convergent, and transform boundary interactions and their typical Earth processes.
• Use multiple lines of evidence (rock ages, magnetic stripes, and earthquake patterns) to support the plate-tectonics model.

Learning Objectives

• Explain how mutations, recombination, and sexual reproduction contribute to genetic variation within populations.
• Describe how natural selection acting through differential survival and reproduction can change allele frequencies over time.
• Interpret genetic variation as the raw material for evolution.

Learning Objectives

• Understand the principle of enthalpy conservation as applied in Hess cycles.
• Reconstruct reaction energetics using thermochemical cycles to calculate difficult values.
• Visualize and interpret Hess cycles to see how enthalpy changes cancel and sum.+ Show more

Learning Objectives

• Understand conventions and interpretation strategies for various graphical representations.
• Identify trends, scale choices, and transformations in graphs such as scatter plots, residual plots, and histograms.
• Assess the fit of models qualitatively and quantitatively using graphical methods.+ Show more

Learning Objectives

• Understand how sedimentary deposits record environmental interactions and past climate conditions.
• Identify various types of sediments and what they reveal about transport energy and climate.
• Explain the significance of isotopic ratios, biomarkers, and mineral assemblages as proxies for ancient environments.+ Show more

Learning Objectives

• Understand how to evaluate competing design solutions using prioritized criteria.
• Analyze trade-offs among environmental, economic, and social impacts in system design.
• Apply data-supported reasoning to justify design choices considering uncertainty and unintended consequences.+ Show more

Learning Objectives

• Understand the relationship between mass defect and energy release in nuclear processes.
• Explain how conservation principles apply to decay chains, fusion, and fission.
• Describe the concept of binding energy and its role in nuclear stability.+ 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

• Define and distinguish between common energy forms such as kinetic, potential, and thermal energy.
• Explain how total mechanical energy changes in systems with non-conservative forces.
• Describe energy transfer during motion, collisions, and deformation.+ 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

• Understand how atomic and ionic properties vary across the periodic table.
• Explain the factors driving periodic trends such as atomic radius, ionization energy, and electronegativity.
• Predict element reactivity, ionic sizes, and bonding tendencies based on periodic trends.+ Show more

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

• Understand and interpret p-values, confidence intervals, and effect sizes in statistical inference.
• Apply hypothesis testing techniques to real-world datasets, including dose-response and temperature anomalies.
• Perform residual analysis and regression diagnostics to assess model assumptions.+ 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 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 the role of regulatory standards and institutional tools in shaping scientific and technological development.
• Analyze different governance mechanisms such as environmental impact assessment and international agreements.
• Explore adaptive governance models and foresight methods like scenario analysis for anticipatory planning.+ 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

• Analyze how human resource use affects Earth's systems such as soil, water, and air.
• Evaluate environmental trade-offs associated with resource extraction and land modification.
• Identify strategies for sustainable resource management and environmental restoration.+ 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

• Interpret stratigraphic sequences, fossil assemblages, and radiometric age data to reconstruct Earth's history.
• Understand sedimentary facies models, cross-section interpretations, and isotopic systematics as tools for correlating depositional environments and tectonic episodes.
• Recognize the limitations of temporal resolution, unconformities, and the importance of integrating multiple evidence types in geologic chronologies.+ Show more

Learning Objectives

• Explain the organization of pigments within photosynthetic membranes and their role in capturing light energy.
• Describe the electron transport chain and how it converts light energy into chemical energy.
• Analyze the coupling between light reactions and the Calvin cycle in carbon fixation.+ Show more

Learning Objectives

• Understand the role of conceptual, statistical, and numerical models in representing Earth processes.
• Analyze the limitations and uncertainties associated with different Earth models.
• Interpret model outputs and translate them into visual and interpretive diagrams.+ Show more

Learning Objectives

• Understand the interactions between atmospheric and oceanic systems in climate regulation.
• Explain how ocean currents and upwelling influence regional weather patterns.
• Analyze feedback mechanisms between ocean temperatures and atmospheric conditions.+ Show more

Learning Objectives

• Explain Newton's third law of motion and how forces occur in pairs during interactions.
• Describe how paired forces influence motion changes in colliding objects.
• Analyze the concept of recoil and how force pairs affect different objects based on mass.+ 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

• 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

• 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

• 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

• 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

• 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

• 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 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 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 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