Grade 12 Science Worksheets

Learning Objectives

• Explain how effective nuclear charge, shielding, and electron configuration account for periodic trends across periods and down groups.
• Interpret how atomic radius, ionization energy, electron affinity, electronegativity, and metallic character change across the periodic table.
• Correlate periodic trends with typical chemical reactivity and ionic/covalent tendencies for representative elements.

Learning Objectives

• Explain why centripetal acceleration points toward the center in uniform circular motion using vector change of velocity
• Use relationships among speed, radius, and centripetal acceleration (a_c = v^2/r) and relate them to net radial force
• Decompose acceleration into tangential and radial components to analyze nonuniform circular motion+ Show more

Learning Objectives

• Understand the concept of radioactive decay
• Explain what half-life means
• Learn how decay rates are used to date rocks+ Show more

Learning Objectives

• Understand the fundamental principles of Newton's three laws of motion.
• Interpret free-body diagrams to analyze forces acting on objects.
• Calculate net force and acceleration for objects under complex force systems.+ Show more

Learning Objectives

• Explain how natural and human factors alter Earth’s climate by changing energy balance.
• Differentiate the roles of greenhouse gases, aerosols, and volcanic eruptions in climate change.
• Describe how climate variability (e.g., El Niño) and long-term Earth changes affect where energy is distributed.

Learning Objectives

• Explain how convergent plate interactions lead to crustal deformation during mountain building.
• Identify key structural, metamorphic, and igneous processes associated with orogeny.
• Relate mountain-range rock assemblages and structures to past tectonic regimes.

Learning Objectives

• Explain how enthalpy change relates to heat absorbed or released during chemical reactions.
• Differentiate exothermic and endothermic reactions using the sign of ΔH.
• Apply Hess’s law and standard enthalpies of formation to determine reaction enthalpy.+ Show more

Learning Objectives

• Understand the concepts of displacement, velocity, and acceleration as vector quantities.
• Interpret position–time and velocity–time graphs in the context of motion.
• Apply symbolic kinematic equations for constant acceleration to solve problems.+ Show more

Learning Objectives

• Analyze human impacts such as land-use conversion, pollution pathways, and urbanization effects on ecosystems.
• Identify case phenomena like agricultural runoff and coastal development affecting environmental systems.
• Evaluate metrics including contamination trends, habitat loss rates, and indicators of human-induced stressors.+ Show more

Learning Objectives

• Use the work–energy theorem to connect force–displacement concepts to changes in kinetic energy.
• Analyze energy transfer and conservation using kinetic and potential energy models, including conservative vs. nonconservative forces.
• Calculate power as the rate of energy transfer and interpret energy diagrams for mechanical systems.

Learning Objectives

• Explain gravitational fields and how they relate to gravitational potential energy in two-body systems
• Determine how gravitational field strength varies with distance from a mass and use that idea to predict motion
• Apply energy and momentum concepts to circular orbits and escape velocity+ Show more

Learning Objectives

• Understand the key processes involved in the carbon cycle
• Identify how natural and human activities influence biogeochemical cycles
• Analyze the links between carbon movement, climate, and living organisms

Learning Objectives

• Explain how population size, growth rate, and carrying capacity are linked to ecological interactions.
• Describe trophic relationships and how energy transfer efficiency affects food webs.
• Connect nutrient cycling to ecosystem functioning and interpret how disturbances change these processes.+ Show more

Learning Objectives

• Explain the photoelectric effect using energy conservation between photon energy, work function, and electron kinetic energy.
• Determine how threshold frequency and stopping potential relate to the minimum photon energy needed for electron emission.
• Interpret how photon flux and experimental measurements support the particle-like (quantized) behavior of light.

Learning Objectives

• Explain how codominance and incomplete dominance change heterozygote phenotypes compared with complete dominance.
• Evaluate how multiple-gene traits produce complex phenotypic distributions rather than simple monohybrid ratios.
• Connect recombination during meiosis to changes in the frequencies of inherited allele combinations.

Learning Objectives

• Explain how birth rates, death rates, immigration, and emigration affect population size over time.
• Distinguish between exponential growth and logistic growth using carrying capacity and limiting factors.
• Analyze how biotic interactions (predation, competition, mutualism, parasitism) and abiotic factors influence survival, reproduction, and community structure.+ Show more

Learning Objectives

• Understand core principles of scientific ethics including research integrity and informed consent.
• Identify case studies illustrating responsible conduct and misconduct in research.
• Evaluate the importance of reproducibility, peer review, and institutional review processes.+ Show more

Learning Objectives

• Understand the concept of decomposing complex systems into smaller subsystems.
• Identify the relationships among different components within a system.
• Analyze how choices at the subsystem level influence the overall system design.+ Show more

Learning Objectives

• Understand the relationship between nuclear mass and energy
• Explain the concept of mass defect and binding energy
• Describe nuclear decay, fusion, and fission processes+ Show more

Learning Objectives

• Understand the concepts of measurement error, sampling variability, and model uncertainty in environmental data.
• Evaluate how uncertainty impacts scientific interpretation and decision-making in public health and environmental monitoring.
• Apply statistical methods such as hypothesis testing, confidence intervals, and uncertainty propagation to real-world data.+ Show more

Learning Objectives

• Explain how atomic structure (effective nuclear charge and shielding) drives trends in atomic radius and ionization energy across periods and down groups.
• Predict relative trends in electron affinity and electronegativity using periodic trends.
• Use trend reasoning to connect element properties to real-world applications, such as corrosion resistance and catalysis.

Learning Objectives

• Understand fundamental ethical issues in biotechnology
• Identify key concerns related to cloning, genome editing, and recombinant organisms
• Discuss legal and social considerations in biotechnology applications+ Show more

Learning Objectives

• Use phasor concepts to relate voltage and current phase angles in resistive, inductive, and capacitive AC circuits
• Calculate impedance, reactance, and power factor, and interpret real, reactive, and apparent power
• Apply power and resonance ideas (series RLC) to evaluate circuit response in 60 Hz power systems

Learning Objectives

• Understand the relationship between voltage, current, and resistance in simple circuits
• Interpret basic circuit diagrams and identify key quantities
• Apply Ohm's Law to solve for unknown values in resistive circuits+ Show more

Learning Objectives

• Understand key concepts related to Science
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Explain how natural selection changes allele frequencies across generations when traits are heritable.
• Use evidence from population and trait data to justify that selection is acting on variation.
• Compare different lines of evidence, such as antibiotic resistance and island beak variation, and connect them to differential fitness.

Learning Objectives

• Explain how birth, death, immigration, and emigration change population size and composition over time.
• Distinguish exponential growth from logistic growth and relate both to limiting factors and carrying capacity.
• Identify how density-dependent and density-independent factors influence birth/death rates and population outcomes.

Learning Objectives

• Explain matter-wave duality and use the de Broglie relation to connect particle properties to wave behavior.
• Describe how wave-based interference and diffraction explain observed patterns for massive particles.
• Connect quantum wavefunctions to discrete atomic energy levels and spectral lines.+ Show more

Learning Objectives

• Understand key concepts related to Science
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Explain equilibrium using Newton’s second law and the concept of net force as a vector sum
• Interpret force diagrams to determine whether forces balance in static or constant-velocity situations
• Use component reasoning (ΣFx and ΣFy) to analyze equilibrium systems with multiple forces+ Show more

Learning Objectives

• Identify measurable performance metrics and match them to common design goals such as mass, energy output, drag, and noise.
• Explain how optimization uses trade-offs between objectives and constraints to reach acceptable performance.
• Describe how design margins help maintain performance when real-world conditions vary.

Learning Objectives

• Explain how restriction enzymes, vectors, and DNA ligase work together in recombinant DNA construction
• Interpret restriction maps and relate DNA fragment patterns to gene identification
• Evaluate applications of recombinant DNA in agriculture, diagnostics, and gene editing while considering ethics and regulation

Learning Objectives

• Explain how lithospheric plate motion produces divergent, convergent, and transform boundaries.
• Analyze how sea-floor spreading, subduction, and strike-slip faulting are reflected in rocks, topography, and seismic patterns.
• Use structural and rock evidence to reconstruct past plate configurations.

Learning Objectives

• Understand the particle interactions involved in chemical reactions.
• Identify signs of chemical reactions through observable evidence.
• Relate microscopic particle changes to macroscopic observations.+ Show more

Learning Objectives

• Explain how chemical reactions are modeled using particles, collisions, bond breaking, and bond forming.
• Connect observable reaction evidence (color, gas formation, temperature change) to microscopic particle changes.
• Describe energy roles in reactions, including activation energy and how endothermic/exothermic reactions affect particle motion.

Learning Objectives

• Understand the concept of reaction yield and how it is measured.
• Identify factors that influence reaction yield, including temperature, concentration, and particle collisions.
• Explain the role of microscopic particle interactions in determining reaction extent.+ Show more

Learning Objectives

• Explain how energy transfer and matter cycling interact across the atmosphere, hydrosphere, lithosphere, and cryosphere.
• Use radiative balance and albedo concepts to predict climate and seasonal variability.
• Describe the hydrologic cycle and ocean–atmosphere coupling as mechanisms linking system reservoirs.+ Show more

Learning Objectives

• Understand the different types of plate boundaries and their characteristics.
• Identify the geological features associated with each boundary type.
• Explain how evidence supports the theory of plate tectonics.+ Show more

Learning Objectives

• Understand the main drivers of sea level variability, including thermal expansion, land-ice mass loss, and glacio-isostatic adjustment.
• Analyze how tide-gauge and satellite altimetry records are used to measure sea level changes.
• Explore methods like reconstructions from coastal stratigraphy and fingerprinting techniques to attribute spatial and temporal patterns of sea level change.+ Show more

Learning Objectives

• Explain how fission and fusion release energy using binding energy per nucleon and nuclear mass-energy concepts
• Analyze chain-reaction criteria, including neutron economy and the meaning of critical mass and criticality
• Apply reactor-physics ideas to estimate energy yield and assess real-world constraints for deployment

Learning Objectives

• Explain how genes located on chromosomes carry coded information that influences inherited traits
• Describe how DNA organization within chromosomes supports chromosome transmission during cell division
• Use gene and chromosome concepts to predict patterns of inheritance and understand sources of variation

Learning Objectives

• Explain how reaction rate depends on collision frequency and collision effectiveness.
• Describe how concentration, temperature, and surface area affect particle collisions at the microscopic level.
• Apply collision theory to predict how changes in conditions influence product formation over time.

Learning Objectives

• Explain how dissolution, sorption, volatilization, and biodegradation affect chemical fate in soil and water.
• Compare kinetic vs. equilibrium processes and describe how they influence contaminant partitioning and distribution.
• Apply fate-and-transport ideas to Alberta-relevant contamination scenarios and suggest monitoring/remediation implications.

Learning Objectives

• Explain how negative feedback maintains stable internal conditions using set points and corrective responses
• Differentiate hormone-based signaling and neural signaling in feedback control systems
• Analyze what happens when feedback mechanisms fail or become overwhelmed

Learning Objectives

• Explain how DNA transcription and RNA translation lead to protein production
• Describe multiple levels of gene regulation and how they affect cell function and phenotype
• Analyze how timing and post-transcriptional events influence which proteins are made+ Show more

Learning Objectives

• Compare prokaryotic and eukaryotic cell architecture by describing ultrastructural differences and their structure–function relationships.
• Explain how plasma membrane composition and compartmentalization affect macromolecule localization and cellular processes.
• Interpret how microscopy techniques and subcellular localization evidence support conclusions about organelle morphology.

Learning Objectives

• Explain how homology assessment supports character selection in phylogenetics.
• Compare character matrix analysis, molecular sequence alignment, and tree inference (cladograms vs. phylograms).
• Use model selection and molecular clock calibration to interpret evolutionary relationships.+ Show more

Learning Objectives

• Explain the difference between heat transfer and work transfer in terms of energy crossing system boundaries
• Use the first law of thermodynamics to relate internal energy change to heat and work
• Predict how heating under different constraints (constant volume vs constant pressure) changes the required energy transfer+ Show more