Grade 12 Science Worksheets

Learning Objectives

• Describe the structure and organization of the lipid bilayer in cellular membranes.
• Explain the roles of membrane proteins in transport and signaling.
• Differentiate between passive and active transport mechanisms across membranes.+ Show more

Learning Objectives

• Explain the fundamentals of oxidation-reduction (redox) reactions, including electron transfer and oxidation states.
• Balance redox half-reactions accurately using conservation of mass and charge.
• Apply electrochemical principles to real-world scenarios such as corrosion, battery operation, and metal refining.+ Show more

Learning Objectives

• Explain chromosomal behaviors during meiosis including recombination and linkage
• Describe molecular markers and how they provide evidence of genetic inheritance
• Differentiate between effects of single-gene and polygenic traits on transmission patterns+ Show more

Learning Objectives

• Understand the concept of work in mechanical systems and how it relates to force and displacement.
• Analyze different forms of energy, including kinetic and potential energy, and their conservation in various systems.
• Describe the principles of energy transfer, including power, and evaluate energy exchanges and dissipation in systems.

Learning Objectives

• Understand the application of constraint equations to multi-body systems.
• Analyze pulley and connected-mass configurations using Newton's laws.
• Learn to use free-body diagrams to identify internal and external forces.+ Show more

Learning Objectives

• Define linear momentum and impulse as conserved quantities in isolated systems.
• Explain how momentum is conserved during elastic and inelastic collisions using algebraic and vector models.
• Apply impulse–momentum relations to predict post-collision velocities.+ Show more

Learning Objectives

• Identify key sections of a scientific report including Abstract, Introduction, Methods, Results, and Discussion.
• Understand the purpose and content of each section in a scientific report.
• Recognize proper structure and organization in scientific writing.+ Show more

Learning Objectives

• Understand the key atmospheric processes that influence climate and air quality.
• Interpret observational datasets and basic radiative transfer concepts related to atmospheric energy balance.
• Analyze atmospheric concentration time series and emission inventories to evaluate system feedbacks and exchanges.+ Show more

Learning Objectives

• Understand the importance of proper attribution and authorship criteria in scientific research.
• Identify best practices for data provenance, data archiving, and open data to ensure reproducibility.
• Recognize the ethical responsibilities involved in reporting negative results and handling sensitive data.+ Show more

Learning Objectives

• Understand how models link molecular processes to ecosystem patterns.
• Analyze the propagation of changes across biological scales using coupled differential equations and network models.
• Evaluate how model assumptions influence predictions and system behavior.+ Show more

Learning Objectives

• Understand Coulomb's law and its inverse-square dependence for electric force between point charges.
• Explain the concept of electric field and how it maps force per unit charge in space.
• Describe the superposition principle for multiple electric sources.+ Show more

Learning Objectives

• Understand the key methods used in resource assessment, including geological mapping, geophysical surveys, and geochemical analysis.
• Identify factors influencing the evaluation of mineral and energy deposits, such as environmental impacts and sustainability considerations.
• Analyze how environmental considerations like waste management, water demand, and greenhouse gas emissions influence resource evaluation.+ 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

• Understand the concept of entropy and how it quantifies energy dispersal and microstates.
• Explain Gibbs free energy and its role in predicting the spontaneity of chemical reactions.
• Analyze the relationship between enthalpy, entropy, temperature, and spontaneity.+ Show more

Learning Objectives

• Explain the phenomena of wave interference, including constructive and destructive interference.
• Describe the conditions for coherence and how they influence interference patterns.
• Analyze how diffraction and interference patterns relate to wavelength and aperture size.+ Show more

Learning Objectives

• Define simple harmonic motion and describe how energy is transferred in oscillatory systems.
• Explain the concept of resonance and how damping affects energy dissipation.
• Analyze how non-conservative forces like friction influence energy flow and amplitude in oscillations.+ Show more

Learning Objectives

• Understand the basic structure of DNA and its role in heredity.
• Explain the processes of DNA replication, transcription, and translation.
• Identify different mutation types and their effects on gene function.+ Show more

Learning Objectives

• Explain how natural selection changes allele (trait) frequencies through differential fitness in a given environment
• Identify and interpret evidence of selection from real-world examples such as antibiotic resistance and island finches
• Connect population data patterns to the idea that selection acts on heritable variation

Learning Objectives

• Explain how energy moves through ecosystems in one direction, largely entering as sunlight and leaving as heat
• Describe how matter cycles among the atmosphere, organisms, soil, and water using carbon, nitrogen, and phosphorus
• Evaluate how photosynthesis, cellular respiration, and decomposers contribute to long-term ecosystem patterns

Learning Objectives

• Explain how adaptive traits can increase survival and reproduction in specific environments
• Analyze fitness tradeoffs and why an advantage in one condition can become a disadvantage in another
• Evaluate how resource availability and predation pressure shape selection outcomes+ Show more

Learning Objectives

• Explain how meiosis segregation produces different allele combinations in gametes
• Use dominance, recessiveness, and Punnett-square reasoning to predict offspring genotypes and phenotypes
• Interpret heredity patterns in families by linking traits to underlying allele distributions+ Show more

Learning Objectives

• Explain the processes involved in mountain building and orogeny.
• Identify different tectonic settings that lead to mountain formation.
• Describe structural features and metamorphic processes in mountain ranges.+ Show more

Learning Objectives

• Understand the mechanisms of gene transcription and translation.
• Identify various levels of regulation in gene expression.
• Describe the roles of promoters, enhancers, and repressors in transcription.+ Show more

Learning Objectives

• Describe the four main layers of Earth's internal structure and their characteristics.
• Interpret seismic data to identify layer boundaries and infer geological processes.
• Explain how Earth's internal layers influence tectonic activity and planetary evolution.+ Show more

Learning Objectives

• Understand how human resource use affects Earth's systems and landscapes.
• Identify environmental consequences of resource extraction and land modification.
• Evaluate trade-offs between economic benefits and environmental resilience.+ Show more

Learning Objectives

• Explain how genomic technologies are used in population-scale sequencing, personalized medicine, and gene-drive interventions
• Evaluate benefits and risks of genomic applications using biosafety, long-term environmental impact, regulation, and social equity
• Analyze ethical issues related to consent, data ownership, and privacy in genomic data use

Learning Objectives

• Explain how adaptations can improve survival in one environment while causing costs in another (tradeoffs).
• Describe how environmental factors such as resource availability and predation pressure shape fitness outcomes.
• Use context (habitat conditions) to predict how trait frequencies (alleles/morphs) may change over time.

Learning Objectives

• Explain how natural selection changes allele frequencies across generations using the idea of differential fitness.
• Identify forms of evidence for selection, including observed trait change over time and geographic differences among populations.
• Connect population-level observations (e.g., survival, reproduction, resistance) to heritable variation.

Learning Objectives

• Explain how energy flows one direction through ecosystems, largely entering as sunlight and leaving as heat.
• Describe how matter cycles in the biosphere, focusing on carbon, nitrogen, and phosphorus movement among organisms and the environment.
• Connect photosynthesis, cellular respiration, and decomposition to long-term ecosystem patterns and environmental change.

Learning Objectives

• Explain how predation, competition, mutualism, and parasitism shape ecosystem structure.
• Describe how energy moves through food webs across trophic levels.
• Predict how changes in one population can affect other populations in a community.+ Show more

Learning Objectives

• Understand the concept of periodic trends and their significance in chemistry.
• Interpret how atomic radius, ionization energy, electron affinity, and electronegativity vary across periods and down groups.
• Link periodic trends to microscopic atomic structure and macroscopic properties of elements.+ Show more

Learning Objectives

• Understand key patterns and causes of biodiversity loss, including habitat fragmentation, invasive species, overexploitation, and climate change.
• Describe measures of species richness, evenness, functional and genetic diversity, and their importance in conservation.
• Explain conservation strategies such as protected areas, restoration ecology, and genetic management.+ Show more

Learning Objectives

• Understand how to formulate and evaluate scientific claims grounded in evidence.
• Use warrants and qualifiers to strengthen scientific arguments.
• Integrate multiple lines of inquiry to support and justify conclusions.+ Show more

Learning Objectives

• Understand the different types of community interactions such as competition, predation, parasitism, mutualism, and commensalism.
• Analyze how energy flow affects ecological networks and biodiversity.
• Evaluate examples of community interactions in Alberta ecosystems.+ Show more

Learning Objectives

• Describe wave phenomena using mathematical descriptions such as wavelength, frequency, phase velocity, and amplitude.
• Explain the principles of superposition, interference, and standing waves in strings and air columns.
• Apply sinusoidal representations, phasor reasoning, and energy transport concepts to analyze wave patterns.+ Show more

Learning Objectives

• Explain how slow processes (weathering, erosion, and deposition) shape landscapes over geologic time.
• Describe how catastrophic events (volcanism and earthquakes) can rapidly alter regions and how their evidence differs from gradual change.
• Interpret rock and landform evidence to infer relative timing and the role of process rates across deep time.

Learning Objectives

• Understand the importance of formulating clear scientific research questions.
• Identify key components of a well-designed scientific study.
• Learn about the role of variables, instrumentation, and statistical analysis in scientific research.+ Show more

Learning Objectives

• Understand mechanisms such as natural selection, genetic drift, gene flow, and mutation that influence allele frequencies.
• Analyze case examples of phenotypic shifts and quantitative models related to population genetics.
• Evaluate evidence from molecular markers and experimental populations to understand evolutionary patterns.+ Show more

Learning Objectives

• Understand basic and complex inheritance models including Mendelian, linkage, sex linkage, incomplete dominance, and polygenic traits.
• Explain how recombination frequencies and pedigree analysis help determine inheritance modes.
• Interpret molecular genotypes and predict trait variations in families and populations.+ Show more

Learning Objectives

• Describe the principles of electron configuration and orbital filling order.
• Explain Hund's rule and its application in electron arrangements.
• Identify common exceptions in electron configurations of transition elements.+ Show more

Learning Objectives

• Understand the mechanisms that influence allele frequencies in populations.
• Identify the factors contributing to genetic variation and structure.
• Explain the concepts of gene flow, genetic drift, and selection in evolution.+ Show more

Learning Objectives

• Understand different inheritance models such as Mendelian, linkage, and sex linkage.
• Interpret pedigree charts and analyze trait transmission across generations.
• Evaluate how recombination frequency affects gene assortment and trait inheritance.+ Show more

Learning Objectives

• Identify the main layers of Earth's internal structure and their distinct compositions.
• Explain how seismic wave observations reveal information about Earth's layers.
• Describe how plate tectonics and mantle convection influence Earth's geological processes.+ Show more

Learning Objectives

• Understand various probabilistic frameworks for quantifying uncertainty.
• Differentiate between frequentist and Bayesian perspectives in real-world phenomena.
• Apply concepts of prior specification, likelihood, and posterior interpretation.+ Show more

Learning Objectives

• Understand how standard enthalpies of formation and combustion are used to quantify heat changes.
• Apply Hess's law to combine enthalpy terms algebraically for reaction calculations.
• Estimate reaction enthalpies using bond enthalpies and analyze reaction trends.+ Show more

Learning Objectives

• Explain how activation energy relates to the energy difference between reactants and the transition-state configuration
• Compare reaction pathways with and without catalysts using energy-profile concepts
• Evaluate how catalysts change reaction rate while leaving the overall energy change (heat signature) unchanged+ Show more

Learning Objectives

• Explain how energy transfer into and out of a system changes particle motion and temperature.
• Differentiate endothermic and exothermic processes using energy flow and temperature change evidence.
• Use conservation of energy to interpret temperature changes as measured signs of energy transfer.

Learning Objectives

• Explain the particle reaction model using ideas of collision energy, bond breaking, and bond forming.
• Connect observable evidence (color change, gas production, temperature change) to microscopic particle changes.
• Describe reactions as redistribution of particles and energy while conserving matter.