Grade 12 Science Worksheets

Learning Objectives

• Identify and distinguish between independent, dependent, and confounding variables in experimental design.
• Understand strategies for controlling variables, including randomization and blinding techniques.
• Analyze the role of replication and comparison frameworks in reducing bias and interpreting causal relationships.+ Show more

Learning Objectives

• Understand the concept of genetic diversity and its significance in conservation
• Identify how molecular markers are used to assess genetic health in populations
• Explain the importance of gene flow and connectivity for species survival+ Show more

Learning Objectives

• Understand the mechanisms of thermohaline and wind-driven ocean circulation.
• Analyze the role of surface gyres, upwelling, and the meridional overturning circulation in heat and nutrient transport.
• Explain how oceanic heat capacity and circulation affect regional climate and phenomena like El Niño.+ Show more

Learning Objectives

• Describe the different types of chemical bonding: ionic, covalent, and metallic.
• Predict bond polarity based on electronegativity differences.
• Explain bond strength and length in relation to bond order and bond energy.+ Show more

Learning Objectives

• Understand the key components and structure of formal scientific reports.
• Identify conventions related to abstract organization, hypothesis framing, and data presentation.
• Evaluate proper use of voice, tense, and citation styles in scientific writing.+ Show more

Learning Objectives

• Understand the structure of scientific arguments, including claims, warrants, and backing.
• Analyze case studies involving species distribution and atmospheric CO2 using relevance, sufficiency, and alternative hypotheses.
• Learn how to integrate theoretical models and empirical data into coherent scientific arguments.+ Show more

Learning Objectives

• Explain how geological resources, extraction processes, and societal demand interact in mineral, groundwater, and hydrocarbon systems.
• Use ore deposit models, aquifer properties, and basin maturation ideas to predict supply limits and long-term change.
• Evaluate trade-offs among resource availability, environmental impacts, and technological or regulatory adaptations.

Learning Objectives

• Explain the nature of fields as spatial distributions that exert forces.
• Describe gravitational and electric fields as vector fields assigning forces at points.
• Understand the concept of field lines and superposition of multiple sources.+ Show more

Learning Objectives

• Understand the concept of oxidation and reduction
• Identify oxidation and reduction in chemical reactions
• Learn how electrons transfer in redox processes+ 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 concepts of precision, accuracy, and calibration in measurements.
• Analyze how measurement uncertainty propagates through calculations.
• Differentiate between systematic and random errors in experimental data.+ Show more

Learning Objectives

• Understand different types of evidence supporting evolution
• Analyze fossil records and what they reveal about past life
• Evaluate how molecular data supports evolutionary relationships+ Show more

Learning Objectives

• Analyze the patterns and mechanisms that contribute to biodiversity resilience in ecosystems.
• Evaluate ecological interactions and their roles in system stability.
• Apply concepts such as species richness, functional diversity, and trophic structure to real-world scenarios.+ Show more

Learning Objectives

• Understand the pathways of carbon and nitrogen in environmental systems.
• Apply quantitative reasoning to reservoir exchange rates and steady-state concepts.
• Analyze human activities' impacts on natural fluxes and system connectivity.+ Show more

Learning Objectives

• Evaluate the sustainability of renewable and nonrenewable resources through lifecycle assessment and carrying-capacity constraints.
• Analyze water budgeting, energy portfolios, and waste handling strategies to understand their ecological and economic impacts.
• Apply trade-off analysis to resource extraction, reclamation, and urban water supply systems for sustainable decision-making.+ Show more

Learning Objectives

• Identify the major organelles in prokaryotic and eukaryotic cells.
• Describe the structure and function of each organelle.
• Understand how microscopy techniques reveal cell structures.+ Show more

Learning Objectives

• Explain how molecular markers and genetic theory are used to measure diversity, inbreeding, and gene flow in fragmented populations.
• Interpret genetic metrics (heterozygosity, effective population size, and connectivity) to assess extinction risk and demographic viability.
• Evaluate how genetic information can guide conservation planning, such as habitat corridors and recovery strategies using Alberta examples.

Learning Objectives

• Explain how multiple lines of evidence support evolution, including fossils, homology, biogeography, and molecular phylogenetics.
• Use evidence patterns such as transitional forms and congruent trees to justify evolutionary relationships.
• Distinguish scientific interpretations of evidence from misconceptions about evolution.

Learning Objectives

• Explain how interspecific interactions (competition, predation, parasitism, mutualism, commensalism) shape ecological communities and food webs.
• Describe how energy flow and trophic efficiency influence biomass distribution across ecosystems.
• Use Alberta examples to evaluate how species interactions can affect community composition, resilience, biodiversity, and stability.

Learning Objectives

• Explain how nuclear fusion in the Sun’s core converts mass into energy
• Describe how changes in fusion rate affect the Sun’s energy output and long-term evolution
• Connect stellar fusion processes to the formation of heavier elements and later generations of stars and planets

Learning Objectives

• Understand the structure of evidence-based arguments, including claims, warrants, and backing.
• Analyze case studies related to species distribution and atmospheric CO2 trends to evaluate relevance and sufficiency of evidence.
• Learn how to integrate theoretical models and empirical data into coherent arguments.+ Show more

Learning Objectives

• Understand the basic concepts and techniques of biotechnology.
• Identify various applications of biotechnology in medicine, agriculture, and industry.
• Recognize key ethical issues related to biotechnological advances.

Learning Objectives

• Understand the process of water evaporation and condensation
• Describe how water moves through different reservoirs on Earth
• Explain how energy from the sun drives changes in the water cycle+ Show more

Learning Objectives

• Understand the principles of scientific reasoning and how to formulate evidence-based claims.
• Evaluate and compare hypotheses using evidence, warrants, and qualifiers.
• Apply logical frameworks and rhetorical standards in scientific discourse.+ Show more

Learning Objectives

• Understand the concept of electric charges and how they create electric fields
• Identify the relationship between electric charges and electric field lines
• Recognize the differences between positive and negative charges+ Show more

Learning Objectives

• Explain the different types of intermolecular forces and their roles in molecular behavior.
• Identify and differentiate between London dispersion, dipole-dipole, and hydrogen bonding.
• Understand how intermolecular forces influence boiling points, solubility, and surface tension.+ Show more

Learning Objectives

• Understand the conventions and interpretation strategies for different types of graphical representations, including scatter plots, residual plots, histograms, and log–log axes.
• Identify trends, assess model fit, and interpret the effects of scale transformations in various graphical data displays.
• Evaluate the appropriateness of graphical choices and comprehend their influence on model selection, parameter estimation, and uncertainty communication.+ Show more

Learning Objectives

• Understand the trend of atomic properties across the periodic table.
• Relate electronic structure to observable chemical and physical properties.
• Interpret data from tables and graphs to predict element behavior.+ 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

• Identify different types of renewable energy sources such as wind, solar, and bioenergy.
• Understand the basic principles behind each renewable energy technology.
• Recognize geographic factors affecting resource availability.+ Show more

Learning Objectives

• Describe the mechanisms of dispersion forces, dipole–dipole interactions, and hydrogen bonding.
• Explain how intermolecular forces influence properties like boiling point, vapor pressure, viscosity, and solubility.
• Analyze how molecular size, shape, and polarity affect intermolecular forces and macroscopic material properties.+ Show more

Learning Objectives

• Understand how standard enthalpies of formation and combustion are used to calculate reaction enthalpies.
• Apply algebraic methods consistent with Hess's law to determine reaction enthalpies.
• Estimate reaction enthalpies using bond enthalpies and compare different energetic pathways.

Learning Objectives

• Understand the principles of radiometric dating and isotope decay.
• Identify different radiometric methods and their applications in geology.
• Explain how isotopic systematics and uncertainties impact age calculations.+ Show more

Learning Objectives

• Identify the major components of the Earth's atmosphere and understand their functions.
• Explain energy transfer processes within the atmosphere and between the atmosphere and other Earth systems.
• Describe the role of atmospheric fluxes in Earth's climate and biogeochemical cycles.+ Show more

Learning Objectives

• Describe the processes involved in the rock cycle and how they transform different rock types.
• Identify key processes such as melting, weathering, erosion, and metamorphism in the rock cycle.
• Explain how surface and subsurface processes contribute to landscape evolution over geologic time.

Learning Objectives

• Explain the mechanisms driving plate movements, including mantle convection and isostasy.
• Identify different types of plate boundaries and their surface geological features.
• Describe the methods used to reconstruct Earth's geologic history, such as radiometric dating and seismic tomography.+ Show more

Learning Objectives

• Explain the concept of photon energy and its relation to frequency (E = hf).
• Describe the photoelectric effect and its significance in demonstrating quantized energy exchange.
• Define key terms such as work function and threshold frequency.+ Show more

Learning Objectives

• Explain the principles underlying the photoelectric effect and its significance in quantum physics.
• Analyze how photon energy relates to work function and emitted electron kinetic energy.
• Interpret experimental data such as threshold frequency and stopping potential to demonstrate particle-like behavior of light.+ Show more

Learning Objectives

• Compare and classify ionic, covalent, and metallic bonding based on electrostatic interactions, lattice energy, polarity, and bond order.
• Interpret Lewis structures, assess formal charges, and determine molecular shapes using VSEPR theory to explain polarity and intermolecular forces.
• Relate bonding types to macroscopic properties such as melting point, conductivity, and solubility through lattice models and molecular orbital concepts.

Learning Objectives

• Explain how entropy quantifies energy dispersal and microstates in a system.
• Describe how Gibbs free energy predicts the spontaneity of chemical reactions.
• Analyze the relationship between enthalpy, entropy, and temperature in Gibbs free energy.+ Show more

Learning Objectives

• Explain how PCR, DNA sequencing, cloning, and CRISPR–Cas editing are used to analyze and modify genetic material
• Interpret genomic data by linking sequencing errors, SNPs, and copy number variation to inheritance and diagnosis
• Evaluate ethical considerations and limitations when using genomic technologies

Learning Objectives

• Understand the mathematical relationships connecting position, velocity, and acceleration in motion.
• Explain how constant acceleration models predict trajectories and timing of moving objects.
• Analyze the influence of initial conditions on motion patterns using equations and graphs.+ Show more

Learning Objectives

• Understand the principles of valence-shell electron-pair repulsion (VSEPR) theory to predict molecular shapes.
• Describe how hybridization affects molecular geometry and bond angles.
• Relate molecular geometry and polarity to observable properties such as dipole moments and intermolecular forces.+ Show more

Learning Objectives

• Understand the application of molecular markers and genetic theory in conservation efforts.
• Recognize genetic metrics such as heterozygosity, population size, and gene flow in fragmented populations.
• Evaluate how genetic diversity impacts population survival and informs conservation strategies.+ Show more

Learning Objectives

• Understand the mathematical models describing allele and genotype frequency changes in populations.
• Interpret measures of genetic variation such as heterozygosity, fixation indices, and effective population size.
• Analyze case studies involving microevolutionary processes like genetic drift and migration.+ Show more

Learning Objectives

• Interpret proxy records from ice cores, sediments, tree rings, and speleothems to understand past climate variability.
• Identify isotopic, chemical, and biological indicators used in paleoclimate reconstruction.
• Connect proxy signals to climate forcings like orbital cycles and volcanic events.+ Show more

Learning Objectives

• Classify and compare ionic, covalent, and metallic bonding based on electrostatic interactions, lattice energy, polarity, and bond order.
• Draw Lewis structures, assess formal charge, and explain VSEPR-derived molecular shapes to rationalize molecular polarity and intermolecular forces.
• Relate bonding types to macroscopic properties such as melting point, conductivity, and solubility using lattice models and molecular orbital concepts.

Learning Objectives

• Identify major Earth system components and understand their fluxes across atmosphere, hydrosphere, biosphere, and geosphere.
• Explain how energy and mass balance models link solar input, ocean heat transport, and biogeochemical cycles.
• Describe steady-state and transient responses of Earth systems and the coupling mechanisms involved.+ Show more