Grade 12 Science Worksheets

Learning Objectives

• Explain the roles of calibration, accuracy, precision, and traceability in measurement systems.
• Use repeatability and calibration models to correct systematic bias and improve instrument response.
• Describe how measurement properties affect derived parameters and the validity of data analysis.+ Show more

Learning Objectives

• Explain energy efficiency using the idea of useful output energy versus total input energy.
• Identify common energy losses and describe how they limit performance in real devices.
• Use energy-flow models to reason about why no process can convert all input energy into useful work.

Learning Objectives

• Understand the concept of enthalpy and its significance in thermochemistry.
• Differentiate between exothermic and endothermic reactions based on heat transfer.
• Apply Hess’s law and standard enthalpy of formation to calculate reaction enthalpies.+ Show more

Learning Objectives

• Understand the basic concepts of electromagnetic radiation and signals
• Identify how signals are encoded and transmitted via electromagnetic waves
• Recognize properties of electromagnetic signals relevant to communication technology+ Show more

Learning Objectives

• Identify basic cell structures and their functions
• Understand how cells organize into tissues and organs
• Describe the concept of hierarchical organization in multicellular organisms+ Show more

Learning Objectives

• Explain ethical, legal, and social considerations in biotechnology.
• Describe how biosafety affects biotechnology decisions.
• Evaluate ecological risk in biotechnology applications.+ Show more

Learning Objectives

• Explain atomic radius trends across periods and down groups
• Describe ionization energy changes across the periodic table
• Predict relative electronegativity and electron affinity+ Show more

Learning Objectives

• Explain how signalling pathways regulate gene expression across development
• Describe how transcription factors control gene expression across developmental stages
• Explain how noncoding RNAs modulate gene expression in regulatory networks+ Show more

Learning Objectives

• Understand the principle of energy conservation in isolated systems
• Identify different types of energy transfer scenarios
• Apply conservation equations to solve basic physics problems in collisions and energy transfer+ Show more

Learning Objectives

• Identify major components of Earth's systems: atmosphere, hydrosphere, biosphere, and geosphere.
• Understand the fluxes and exchanges between Earth's systems.
• Explain how energy and mass balance influence global processes.+ Show more

Learning Objectives

• Understand the processes involved in risk assessment and management in socio-environmental decision-making.
• Identify key components of governance frameworks including hazard identification, exposure assessment, and risk communication.
• Analyze multi-stakeholder trade-offs and the role of policy instruments in managing environmental risks.+ Show more

Learning Objectives

• Understand the processes of chemical dissolution, sorption, volatilization, and biodegradation.
• Analyze how chemical contaminants move and persist in soil and water systems.
• Evaluate case studies involving agricultural runoff and petrochemical spills.+ Show more

Learning Objectives

• Explain how lithospheric plates move and how boundary types (divergent, convergent, and transform) control Earth’s surface features.
• Identify evidence for plate tectonics using rock types, topography, and seismic patterns.
• Use geological observations (volcanism, metamorphism, and faulting) to reconstruct past plate configurations.

Learning Objectives

• Explain conservation of energy using system and surroundings during heat transfer processes.
• Distinguish energy released from energy absorbed and relate both to temperature changes.
• Apply calorimetry reasoning (heat gained/lost and specific heat) to predict net energy balance.

Learning Objectives

• Explain chemical equilibrium as a dynamic balance between forward and reverse reaction rates
• Interpret the meaning of equilibrium constants (Kc and Kp) and their dependence on temperature
• Use reaction quotient (Q) compared with K to predict the shift in reaction composition after a perturbation+ Show more

Learning Objectives

• Explain how reaction yield relates to reactant conversion
• Use particle collisions to predict reaction rate changes
• Identify when limiting factors affect product formation+ Show more

Learning Objectives

• Understand how parallax, standard candles, and redshift are used to measure cosmic distances.
• Interpret telescope measurements to estimate the positions and sizes of celestial objects.
• Explain the relationship between light travel time and cosmic history.+ Show more

Learning Objectives

• Explain the mechanisms of thermohaline and wind-driven ocean circulation.
• Identify the features and impacts of surface gyres, upwelling, and the meridional overturning circulation.
• Describe how oceanic heat capacity and transport influence regional climates and phenomena like El Niño.+ Show more

Learning Objectives

• Explain how predation affects populations in an ecosystem
• Differentiate competition, mutualism, and parasitism
• Trace energy flow through trophic levels in food webs+ Show more

Learning Objectives

• Explain how operational definitions make measurement methods clear and testable
• Use consistent units and repeatable procedures to improve trustworthiness of data
• Identify sources of measurement error and describe how calibration and controls reduce them+ Show more

Learning Objectives

• Learn how to interpret axes, units, and scales on scientific graphs
• Identify the significance of slope, intercept, and curvature in data visualization
• Distinguish between misleading and clear graph conventions for accurate interpretation

Learning Objectives

• Identify the parts of an evidence-based scientific argument (claim, evidence, warrant, and backing) and explain how they connect.
• Evaluate whether data are relevant and sufficient by considering relevance, sufficiency, and alternative hypotheses.
• Distinguish experimental and observational evidence and discuss how limits of inference affect confidence in conclusions.+ Show more

Learning Objectives

• Understand the surface features and geologic processes shaping planetary bodies beyond Earth.
• Compare and contrast internal structures of terrestrial and icy planets.
• Analyze cratering records, volcanic signs, tectonic features, and erosion mechanisms as indicators of planetary history.+ Show more

Learning Objectives

• Explain relationships among displacement, period, and natural frequency
• Describe kinetic and potential energy exchange in undamped oscillations
• Analyze how damping affects driven oscillation amplitude+ Show more

Learning Objectives

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

Learning Objectives

• Understand how greenhouse gases influence Earth's climate
• Identify natural and human factors affecting global temperature
• Explain the role of aerosols, volcanic eruptions, and ocean cycles in climate variability+ Show more

Learning Objectives

• Compare surface processes (impacts, volcanism, tectonics, and erosion) across terrestrial and icy planetary bodies.
• Explain how crater records and volcanic/tectonic landforms are used to reconstruct planetary thermal evolution and geologic history.
• Use remote sensing and in situ evidence to infer the roles of impact flux, endogenic activity, and volatile-driven alteration.

Learning Objectives

• Explain how energy transfer into or out of a system changes particle motion and increases or decreases temperature.
• Differentiate exothermic and endothermic processes using internal energy, particle motion, and potential configurations.
• Apply conservation of energy to interpret temperature change as evidence of energy transfer rather than energy creation.

Learning Objectives

• Explain how genetic drift changes allele frequencies through chance events rather than selection.
• Compare bottleneck and founder events and predict their effects on genetic diversity.
• Evaluate how effective population size influences the relative impact of drift versus selection.+ Show more

Learning Objectives

• Calculate work from force and displacement relationships and connect work to changes in kinetic energy.
• Use energy concepts to model systems with conservative and nonconservative forces (including springs and gravity).
• Apply the work–energy theorem and energy conservation to analyze energy changes and dissipation.+ Show more

Learning Objectives

• Understand the principles of mathematical and computational modeling in environmental science.
• Analyze the role of sensitivity analysis, boundary conditions, and model validation.
• Evaluate the limitations of simplified versus complex models in predicting environmental phenomena.+ Show more

Learning Objectives

• Explain how electrostatic attractions and repulsions between charged particles arise from electron distributions
• Differentiate ionic bonding from other intermolecular or bonding interactions using Coulombic attraction/repulsion ideas
• Predict qualitative effects of stronger versus weaker electrostatic forces on material properties such as melting point, solubility, and conductivity

Learning Objectives

• Explain how SI units support consistent measurement comparisons
• Differentiate accuracy from precision in measurement data
• Distinguish systematic error from random error+ Show more

Learning Objectives

• Describe how atomic and ionic properties vary across the periodic table.
• Explain the influence of nuclear charge and electron shielding on atomic radius, ionization energy, and electronegativity.
• Predict element reactivity, ionic sizes, and bonding tendencies based on periodic trends.

Learning Objectives

• Explain how evolution occurs in populations through variation, differential survival, and reproduction.
• Describe how mutation, genetic drift, gene flow, and natural selection can change allele frequencies over time.
• Evaluate evidence for evolutionary change using comparative anatomy, fossils, biogeography, and molecular data.+ Show more

Learning Objectives

• Understand the process of nuclear fusion in the sun's core.
• Identify the stages of the sun's energy production.
• Explain how fusion results in element formation.+ Show more

Learning Objectives

• Explain how signaling pathways, transcription factors, and noncoding RNAs work together in regulatory networks
• Describe how epigenetic marks (DNA methylation and histone modifications) influence chromatin accessibility and long-term gene expression
• Apply regulatory-network concepts to real-world Alberta examples involving stress responses and immune regulation+ Show more

Learning Objectives

• Integrate biological, chemical, and physical evidence to justify a defensible recommendation.
• Apply multi-criteria decision frameworks while clearly stating assumptions and limitations.
• Use quantitative reasoning and uncertainty language to evaluate competing solutions for regional challenges.

Learning Objectives

• Explain the mechanism of natural selection and how it drives adaptation in populations.
• Identify key terms related to natural selection, such as heritable traits, survival, and reproduction.
• Analyze examples of selective pressures like climate, predators, and competition that influence evolution.+ Show more

Learning Objectives

• Understand the development of atomic models from Dalton to Bohr.
• Identify key experiments that supported different atomic theories.
• Explain concepts such as nuclear charge, mass number, and isotopes.+ Show more

Learning Objectives

• Understand the fundamental quantities of electric charge, current, and potential difference.
• Apply Ohm’s law to analyze simple circuits with resistors and voltage sources.
• Differentiate between series and parallel resistor combinations.+ Show more

Learning Objectives

• Understand how mutations contribute to genetic diversity.
• Identify different types of mutations introduced into DNA.
• Explain how recombination during meiosis increases variation.+ Show more

Learning Objectives

• Explain the mechanisms driving lithospheric motion at convergent, divergent, and transform boundaries.
• Interpret seismicity, volcanic activity, and mantle convection models to understand tectonic processes.
• Apply plate reconstructions, bathymetric maps, and earthquake focal mechanisms to interpret Earth's past and present tectonic configurations.

Learning Objectives

• Define performance metrics used in engineering design optimization
• Identify constraints that limit engineering design solutions
• Explain optimization within limits and uncertainty margins+ Show more

Learning Objectives

• Explain how lipid bilayers and membrane proteins create selective permeability
• Analyze how passive and active transport maintain concentration and electrochemical gradients
• Use quantitative relationships to connect concentration differences, ion gradients, and membrane potential+ Show more

Learning Objectives

• Explain the differences between dispersion forces, dipole–dipole interactions, and hydrogen bonding.
• Relate the strength of intermolecular forces to properties like boiling point, vapor pressure, viscosity, and solubility.
• Analyze how molecular size, shape, and polarity influence intermolecular forces.+ Show more

Learning Objectives

• Explain how human activities change population dynamics through survival and reproduction mechanisms.
• Analyze how habitat alteration, pollution, overharvesting, and invasive species can reduce species and genetic diversity.
• Use cause-and-effect reasoning to predict ecological outcomes across trophic levels.

Learning Objectives

• Explain how adaptive traits can improve fitness in one environment while causing costs in another
• Analyze how resource availability and predation pressure change which traits are favored
• Use examples of morph frequency shifts and camouflage to justify that adaptation is context dependent