Grade 12 Science Worksheets

Learning Objectives

• Explain how molecular markers estimate genetic diversity and relatedness
• Describe how effective population size relates to inbreeding risk
• Analyze how habitat connectivity affects genetic structure+ Show more

Learning Objectives

• Understand the principles of simple harmonic motion and sinusoidal models.
• Apply concepts of natural frequency, phase, and energy exchange in oscillatory systems.
• Analyze the effects of damping and resonance in mass–spring and pendulum systems.+ Show more

Learning Objectives

• Formulate research questions for air or water monitoring studies
• Define variables for controlled scientific comparisons
• Select instrumentation and sampling strategies for valid comparisons+ Show more

Learning Objectives

• Compare nuclear fission and fusion in terms of energy release.
• Calculate binding energy per nucleon using mass-energy relationships.
• Interpret binding energy per nucleon in nuclear processes.+ Show more

Learning Objectives

• Explain how energy is conserved during transformations
• Identify efficiency using useful energy output and total input
• Analyze thermodynamic limits in real energy systems+ Show more

Learning Objectives

• Understand different types of DNA mutations and their effects
• Identify various mutation types such as point mutations, insertions, deletions, and chromosomal alterations
• Explore how mutations contribute to genetic diversity and evolution+ Show more

Learning Objectives

• Explain how apparent brightness relates to distance
• Describe how parallax provides astronomical distance information
• Describe how redshift provides distance information+ Show more

Learning Objectives

• Understand the origin of atomic spectra and how electronic transitions produce emission and absorption lines.
• Identify spectral patterns associated with different elements and isotopic compositions.
• Explain the significance of selection rules, line broadening, and energy quantization in spectroscopy.+ Show more

Learning Objectives

• Analyze series AC circuits using impedance and phasor relationships
• Calculate real, reactive, and apparent power for AC loads
• Determine phase angle and power factor in sinusoidal AC circuits+ Show more

Learning Objectives

• Define what a limiting reagent is in a chemical reaction.
• Identify the limiting reagent given a balanced chemical equation and amounts of reactants.
• Explain the significance of limiting reagents in industrial chemical processes.+ Show more

Learning Objectives

• Identify components of Earth's atmosphere
• Explain pressure gradients and thermal structures
• Describe Coriolis force and large-scale circulation patterns+ Show more

Learning Objectives

• Interpret reaction yield as the fraction (or percent) of reactants converted into desired products under specific conditions.
• Explain how changes in conditions (e.g., temperature, concentration, surface area, catalysts) can affect reaction rate and the extent of completion.
• Connect particle-level collision behavior to macroscopic stoichiometry to predict which reactant limits yield.+ Show more

Learning Objectives

• Understand key genomic applications such as population sequencing and personalized medicine.
• Identify potential risks and ethical concerns associated with genomic technologies.
• Evaluate the benefits and challenges of interventions like gene drives.+ Show more

Learning Objectives

• Understand the purpose and components of scientific models
• Identify how models are used for prediction in hydrological and climate studies
• Recognize the importance of calibration, validation, and sensitivity analysis+ Show more

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

• 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

• 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 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

• 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 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

• 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 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

• 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

• 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

• 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 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

Learning Objectives

• Understand the importance of multidisciplinary data synthesis in regional environmental challenges.
• Analyze complex biological, chemical, and physical data sets to inform decision-making.
• Develop skills to evaluate uncertainty and assumptions in scientific conclusions.+ Show more

Learning Objectives

• Understand key principles of population genetics
• Learn basic terminology related to gene flow, mutation, selection, and genetic drift
• Recognize how genetic variation influences evolution and adaptation+ Show more

Learning Objectives

• Identify stages of risk assessment from hazard to consequence
• Explain how governance frameworks guide socio-environmental decisions
• Evaluate the role of risk communication in stakeholder trust+ Show more

Learning Objectives

• Explain how nuclear fission and fusion release energy using binding energy per nucleon and energetic mass changes.
• Describe the criteria for a sustained chain reaction and connect it to critical mass and neutron economy.
• Apply reactor physics ideas to practical energy generation, including isotope production and small modular reactor (SMR) concepts.

Learning Objectives

• Explain how the Solar System’s architecture relates to early solar nebula conditions and planetary formation processes.
• Describe key formation mechanisms such as protoplanetary disk evolution, accretion, and planetary differentiation.
• Connect observational evidence (spectroscopy, orbital parameters, and sample analyses) to models of planetary composition and atmospheres.+ Show more