Grade 12 Science Worksheets

Learning Objectives

• Describe the chemical composition and three-dimensional structures of biological macromolecules.
• Explain how molecular form determines function in proteins, nucleic acids, carbohydrates, and lipids.
• Analyze the physicochemical properties that influence molecular interactions.+ Show more

Learning Objectives

• Explain the principle of conservation of energy in isolated systems.
• Describe the conservation of momentum in different collision scenarios.
• Differentiate between elastic, inelastic, and perfectly inelastic collisions using conservation equations.+ Show more

Learning Objectives

• Explain the different forms of energy and how they are transformed in various systems.
• Analyze the efficiency and environmental impact of energy systems such as fossil fuel plants and renewable sources.
• Apply thermodynamic principles to real-world energy processes.

Learning Objectives

• Describe the basic structure of DNA as a double helix formed by nucleotide monomers.
• Explain the roles of phosphodiester backbones and hydrogen bonds in DNA stability.
• Identify examples of conserved molecular architecture in organisms like canola and lodgepole pine.

Learning Objectives

• Identify the key components of cellular structure and their functions.
• Explain how cytoskeletal networks and membrane interactions influence cell shape and transport.
• Describe the role of molecular motors and filament dynamics in cellular resilience and motility.+ Show more

Learning Objectives

• Explain how differences in electronegativity create bond polarity.
• Identify and classify molecules as polar or nonpolar based on their structure and bond polarity.
• Describe how polarity influences solubility, intermolecular forces, and industrial applications.

Learning Objectives

• Understand the key factors that influence changes in population size and structure.
• Identify patterns such as exponential growth and logistic leveling.
• Describe the interactions among populations and their effects on community ecology.+ Show more

Learning Objectives

• Define linear momentum and impulse as conserved quantities in isolated systems.
• Explain momentum conservation in elastic and inelastic collisions using algebraic and vector models.
• Relate pre- and post-collision velocities to impulse and momentum change.+ Show more

Learning Objectives

• Understand the concept of chemical equilibrium and how it characterizes reversible reactions.
• Apply Le Châtelier’s principle to predict how changes in concentration, pressure, and temperature affect equilibrium positions.
• Use equilibrium constants to quantitatively analyze chemical reactions and optimize yields.+ Show more

Learning Objectives

• Describe the characteristics of wave behaviour including wavelength, frequency, amplitude, and speed
• Apply models to predict wave propagation in various contexts such as seismic, acoustic, and optical waves
• Analyze the relationship between boundary conditions, dispersion, and wave speed in real-world phenomena

Learning Objectives

• Understand the principles of balancing chemical equations using the law of conservation of mass.
• Identify reaction types, including synthesis, decomposition, single and double replacement, and combustion.
• Apply phase notation and state symbols in chemical equations.+ Show more

Learning Objectives

• Understand key concepts of biodiversity patterns, ecological interactions, and resilience mechanisms.
• Analyze the impact of disturbances such as habitat fragmentation and invasive species on ecosystems.
• Interpret models of population regulation, carrying capacity, and thresholds in ecological systems.+ Show more

Learning Objectives

• Understand the molecular techniques used to measure and manipulate biological information.
• Describe principles behind nucleic acid amplification, sequencing, and genome editing.
• Interpret data such as read mappings and expression profiles to infer genetic function.+ Show more

Learning Objectives

• Describe Mendelian inheritance patterns including dominance, incomplete dominance, and codominance.
• Interpret genetic ratios from Punnett squares and pedigree analysis.
• Explain the concepts of linkage, recombination frequency, and polygenic traits.+ Show more

Learning Objectives

• Describe the semi-conservative nature of DNA replication.
• Identify the roles of key enzymes such as helicase, primase, and DNA polymerase in DNA replication.
• Explain mechanisms that ensure replication fidelity and repair for mutation control.+ Show more

Learning Objectives

• Understand the mechanisms driving ocean circulation, including thermohaline and wind-driven processes.
• Identify the role of ocean currents in regional and global climate regulation and nutrient transport.
• Explain the processes of salinity, density stratification, and mixing in the context of biogeochemical cycles.+ Show more

Learning Objectives

• Understand the differences between ionic, covalent, and metallic bonds
• Identify properties associated with each bond type
• Predict material behaviors based on bond types and bond energies+ Show more

Learning Objectives

• Understand the concept of electron transfer in redox reactions
• Identify oxidation states and balance redox half-reactions
• Apply principles of electron flow to predict products in electrochemical processes+ Show more

Learning Objectives

• Understand the principles of rigorous scientific study design including variable management and sampling strategies.
• Apply statistical methods for significance testing, error analysis, and uncertainty characterization in scientific research.
• Develop clear research questions and select appropriate instrumentation for field and laboratory environmental studies.+ Show more

Learning Objectives

• Understand the key applications of biotechnology in agriculture, diagnostics, and environmental remediation.
• Analyze the ethical, regulatory, and socioeconomic considerations associated with biotechnological advancements.
• Evaluate genetic improvement strategies and detection techniques used in regional biotech contexts.

Learning Objectives

• Understand the role of mathematical and computational models in environmental forecasting and climate projections.
• Analyze the assumptions, limitations, and sources of uncertainty in different model types.
• Apply concepts of sensitivity analysis, boundary conditions, and calibration to model evaluation.

Learning Objectives

• Understand different approaches to climate modeling, including energy-balance models, radiative-convective frameworks, and general circulation models.
• Identify key components such as radiative transfer parameterization, cloud feedbacks, and ocean–atmosphere coupling in climate models.
• Explain how climate models are validated using paleoclimate data, instrumental records, and sensitivity experiments.+ Show more

Learning Objectives

• Explain fundamental measurement concepts including SI units, calibration, and traceability.
• Differentiate between precision and accuracy in measurement data.
• Interpret measurement errors and their impact on data quality.+ Show more

Learning Objectives

• Explain the processes of transcription and translation in gene expression.
• Describe how regulatory elements like promoters, enhancers, and transcription factors influence gene expression.
• Identify the role of epigenetic modifications in controlling gene activity.+ Show more

Learning Objectives

• Identify different types of evidence supporting the mechanisms of evolution.
• Explain how fossil records and molecular data contribute to understanding evolutionary history.
• Analyze patterns of homology, transitional forms, and molecular phylogenetics in evolution.+ Show more

Learning Objectives

• Understand the different types of community interactions such as competition, predation, parasitism, mutualism, and commensalism.
• Analyze how energy flows through food webs and impacts ecosystem biomass distribution.
• Evaluate examples of community interactions in Alberta and their influence on ecosystem stability and biodiversity.

Learning Objectives

• Analyze the flow of carbon and nitrogen within environmental cycles and understanding the fluxes among atmosphere, biosphere, hydrosphere, and lithosphere.
• Evaluate the impact of human activities such as fossil fuel burning and fertilizer runoff on natural biogeochemical fluxes.
• Apply concepts of reservoir exchange rates and steady-state conditions to environmental systems modeling.+ Show more

Learning Objectives

• Describe the concept of organelle compartmentation and its significance in cellular function.
• Compare the roles of mitochondria, chloroplasts, endomembrane system, and peroxisomes in energy transformation, biosynthesis, and catabolism.
• Explain how organelle structure influences metabolic fluxes and cellular efficiency.+ Show more

Learning Objectives

• Understand the formation of atomic spectra through electronic transitions.
• Identify how spectral lines aid in element and isotopic identification.
• Explain the principles of energy quantization and selection rules in spectroscopy.+ Show more

Learning Objectives

• Understand the principles of reflection and refraction of light using ray models.
• Apply Snell's law to calculate angles and light behavior at interfaces.
• Determine the properties of lenses, including focal length and image formation.+ Show more

Learning Objectives

• Compare surface processes of terrestrial and icy bodies beyond Earth.
• Analyze internal structure indicators and geologic history evidence from remote sensing and sample analysis.
• Evaluate impact flux, endogenic activity, and volatile-driven alterations in shaping planetary surfaces.+ Show more

Learning Objectives

• Understand the mole concept and its application in stoichiometry.
• Perform calculations involving molar mass, empirical, and molecular formulas.
• Apply conversions between mass, moles, and particle counts to solve chemical problems.+ Show more

Learning Objectives

• Understand and analyze the relationship between force, mass, and acceleration using Newton's second law.
• Apply free-body diagrams and net force calculations to real-world mechanical systems.
• Evaluate the effects of frictional and drag forces on motion, especially in terrestrial and industrial contexts.+ Show more

Learning Objectives

• Understand the distinction between precision, accuracy, and calibration in measurement.
• Learn how to propagate measurement uncertainty through calculations.
• Interpret confidence intervals and evaluate uncertainty bounds in reporting results.+ Show more

Learning Objectives

• Analyze complex regional challenges using multi-criteria decision frameworks.
• Synthesize biological, chemical, and physical data for evidence-based conclusions.
• Apply quantitative reasoning and uncertainty analysis in scientific decision-making.+ Show more

Learning Objectives

• Understand key principles of environmental monitoring network design and indicator selection.
• Analyze methods of data collection and interpretation for watershed health and air quality assessment.

Learning Objectives

• Identify the principal types of chemical bonding: ionic, covalent, and metallic.
• Understand how charge distribution, lattice structures, and shared-electron models characterize bond types.
• Explain how different bond types influence properties such as electrical conductivity, melting point, and solubility.+ Show more

Learning Objectives

• Understand how properties such as atomic radius, ionization energy, electronegativity, and effective nuclear charge vary across the periodic table.
• Relate periodic trends to electronic structure and observable chemical properties like metallic character and reactivity.
• Interpret tabular and graphical data to predict element behavior based on their position in the periodic table.

Learning Objectives

• Explain the factors that influence reaction rates using collision theory and activation energy concepts.
• Determine rate laws and reaction order from experimental data.
• Apply knowledge of catalysts and surface area to predict reaction behaviour.+ Show more

Learning Objectives

• Describe the key factors influencing population growth and decline.
• Differentiate between exponential and logistic growth models.
• Analyze examples of population changes in Alberta's ecosystems.+ Show more

Learning Objectives

• Understand the components and function of gene regulatory networks in biological systems.
• Analyze how epigenetic modifications influence gene expression in different environmental contexts.
• Explore real-world example applications in biotechnology related to regulation mechanisms.

Learning Objectives

• Describe the interactions between atmosphere, hydrosphere, lithosphere, and cryosphere in energy transfer and matter cycling.
• Explain key mechanisms like radiative balance, albedo effects, and the hydrologic cycle and their influence on climate variability.
• Analyze seasonal solar insolation, ocean–atmosphere coupling, and biogeochemical feedbacks as system phenomena.+ Show more

Learning Objectives

• Understand the methods used for reconstructing evolutionary relationships, including character matrix analysis and molecular sequence alignment.
• Describe how cladogram and phylogram inference contribute to phylogenetic studies.
• Explain the concepts of homology, monophyly, paraphyly, and polyphyly in taxonomy.+ Show more

Learning Objectives

• Understand atomic packing and unit cell geometries in different types of solids.
• Identify the types of bonding that produce ionic crystals, metallic lattices, and covalent networks.
• Explain how structural features influence mechanical strength, conductivity, and melting behavior of materials.+ Show more

Learning Objectives

• Understand the mathematical principles governing allele and genotype frequency dynamics in populations.
• Interpret the Hardy–Weinberg equilibrium and factors affecting genetic variation.
• Apply concepts such as selection coefficients, genetic drift, migration, and fixation indices to real-world case studies.+ Show more

Learning Objectives

• Understand the basic principles of fluid flow, including laminar and turbulent flow.
• Apply continuity and Bernoulli's principles to real-world fluid scenarios such as river flow and atmospheric patterns.
• Use scaling arguments and dimensional analysis to relate laboratory findings to field-scale processes.

Learning Objectives

• Understand the concept of torque and how it affects rotational motion.
• Calculate moments of inertia for different rigid bodies.
• Apply rotational kinematic equations to analyze angular motion.+ Show more

Learning Objectives

• Explain the concept of oxidation numbers and how they relate to electron transfer.
• Balance redox equations in both acidic and basic media.
• Describe the principles of galvanic and electrolytic cells and calculate cell EMF using standard reduction potentials.+ Show more