Grade 12 Science Worksheets

Learning Objectives

• Assess how geography affects renewable energy density
• Explain how energy storage mitigates renewable intermittency
• Compare lifecycle metrics for wind, solar, and bioenergy+ Show more

Learning Objectives

• Explain constant temperature during melting and boiling
• Interpret heating curve plateaus as phase changes
• Describe particle interactions during phase changes+ Show more

Learning Objectives

• Explain how reaction conditions and particle-level collisions influence reaction rate and overall yield.
• Interpret reaction yield using stoichiometry and limiting reactants.
• Predict how competing pathways can change the amount of desired product formed.+ Show more

Learning Objectives

• Explain how mutations, recombination, and chromosomal alterations generate genetic variation.
• Distinguish point mutations, insertions, deletions, and larger structural changes in terms of how they can affect alleles.
• Compare Mendelian inheritance with polygenic inheritance and describe why both affect trait variation.+ Show more

Learning Objectives

• Understand the concept of oxidation and reduction.
• Identify oxidizing and reducing agents in reactions.
• Balance redox reactions using half-reactions.+ Show more

Learning Objectives

• Describe the layers of Earth's internal structure and their composition.
• Explain how seismic wave data provide evidence for Earth's layered interior.
• Identify the physical properties of Earth's crust, mantle, outer core, and inner core.+ Show more

Learning Objectives

• Explain how biological, chemical, and physical processes interact to produce ecosystem-scale outcomes.
• Use integrated reasoning to connect nutrient cycles, chemical speciation, and transport with observed environmental patterns.
• Evaluate environmental scenarios by identifying cross-disciplinary evidence and likely mechanisms.

Learning Objectives

• Explain how models are constructed, parameterized, calibrated, and validated to support prediction in real systems.
• Apply ideas of sensitivity analysis, boundary conditions, and limitations of simplifications to interpret model outputs.
• Identify sources of uncertainty and justify assumptions when using models for forecasting or projection.

Learning Objectives

• Explain how engineering trade-offs involve balancing cost, performance, and risk using data and reasoning
• Evaluate design alternatives by considering long-term operating and maintenance effects, not just initial purchase price
• Use models or assumptions to compare options and justify a recommended choice

Learning Objectives

• Explain how changes in greenhouse gases and aerosols affect Earth’s energy balance.
• Differentiate natural climate drivers (e.g., El Niño, orbital changes, volcanic eruptions) by their timescales and effects.
• Use evidence from climate descriptions to identify the most likely main idea or claim.

Learning Objectives

• Describe the processes involved in the rock cycle and how rocks transform from one type to another.
• Explain the roles of geological processes like melting, weathering, erosion, and heat in shaping Earth's rocks.
• Identify different types of rocks and the processes that produce them in the rock cycle.+ Show more

Learning Objectives

• Describe different types of chemical bonding, including ionic, covalent, and metallic bonds.
• Explain how electronegativity differences influence bond polarity.
• Relate bond order and bond energy to bond length and strength.+ Show more

Learning Objectives

• Understand how molecular genetics, gene regulation, and evolutionary mechanisms interact to produce biological outcomes.
• Analyze real-world examples such as herbicide resistance in weeds to explain mutation, selection, and gene flow.
• Link DNA variation to gene expression, fitness, and ecosystem effects for holistic understanding of evolutionary dynamics.+ Show more

Learning Objectives

• Explain how human resource use can change Earth systems through soil, water, air, and ecosystems.
• Analyze trade-offs between economic benefits and long-term system resilience.
• Evaluate strategies that reduce impacts and support restoration and sustainable management.

Learning Objectives

• Explain how primary productivity, decomposition, and nutrient cycling influence energy flow and ecosystem turnover.
• Describe biogeochemical cycles of carbon, nitrogen, and phosphorus and how they connect organisms to the atmosphere, soils, and hydrosphere.
• Apply Alberta-specific ecosystem examples to predict how land-use change and climate variability affect productivity and resilience.

Learning Objectives

• Distinguish kinetic, potential, thermal, and other common energy forms in everyday and physical situations
• Explain how total mechanical energy changes when non-conservative forces (like friction) do work
• Connect conservation of energy with quantitative relationships for kinetic energy and speed

Learning Objectives

• Understand Mendelian inheritance and dominant-recessive traits.
• Identify and analyze different inheritance patterns such as linkage, sex linkage, incomplete dominance, and polygenic traits.
• Interpret pedigrees to determine modes of inheritance and carrier status.+ Show more

Learning Objectives

• Explain how mutation changes allele frequencies over generations
• Describe how selection alters allele frequencies in populations
• Explain how gene flow affects population allele frequencies+ Show more

Learning Objectives

• Describe how qualitative and quantitative models represent relationships suggested by data.
• Use model predictions and expected variation to evaluate whether a claim is supported or refuted.
• Identify assumptions and explain how they affect the validity range of a model.+ Show more

Learning Objectives

• Define and distinguish between different types of energy such as kinetic, potential, and thermal.
• Explain how total mechanical energy changes in systems with non-conservative forces.
• Describe energy transfer during motion, collisions, and deformation.+ Show more

Learning Objectives

• Understand the main modern molecular techniques used in genetic research and biotech applications.
• Identify key processes such as PCR, gel electrophoresis, sequencing, and genome editing.
• Describe how recombinant DNA and viral vectors are used in medicine and research.+ Show more

Learning Objectives

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

Learning Objectives

• Represent displacement, velocity, and acceleration as vectors in one and two dimensions
• Decompose vectors into components and use component analysis to solve kinematics problems
• Model projectile motion using parametric equations and predict positions over time

Learning Objectives

• Explain the principle of electromagnetic induction as described by Faraday’s law.
• Describe how changing magnetic flux induces an electromotive force in conductors.
• Understand the relationship between magnetic fields, conductors, and induced voltages.+ Show more

Learning Objectives

• Understand key characteristics of waves such as wavelength, frequency, amplitude, and speed
• Identify how waves propagate through different mediums and the effects observed
• Apply mathematical models to predict wave behavior in regional contexts+ Show more

Learning Objectives

• Explain the major stages of gene expression (DNA information to RNA to protein) and how timing affects cell function
• Describe how regulation can occur at multiple levels, including transcriptional and post-transcriptional control
• Apply gene expression pathway ideas to predict how different cell types can show different traits

Learning Objectives

• Explain how mutations, meiosis recombination, and sexual reproduction contribute to genetic variation within populations.
• Describe how differences in survival and reproduction (natural selection) change allele frequencies over time.
• Connect genetic mechanisms to how populations evolve.

Learning Objectives

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

Learning Objectives

• Explain how measures of center and spread describe variability in data
• Interpret confidence intervals, error bars, and dispersion in context
• Use uncertainty tools (e.g., residuals and residual patterns) to judge evidence strength+ Show more

Learning Objectives

• Interpret and analyze standard enthalpies of formation.
• Calculate reaction enthalpies using tabulated formation data.
• Apply Hess's law to decompose complex reactions into simpler steps.+ Show more

Learning Objectives

• Explain SI units and why they matter for comparing data across locations and time
• Distinguish accuracy, precision, systematic error, and random error using measurement scenarios
• Describe why calibration, traceability, and documentation improve the credibility of long-term monitoring+ Show more

Learning Objectives

• Understand the concept of trade-offs in engineering systems
• Analyze how improvements in one system feature can impact other features
• Apply cost-benefit reasoning including long-term effects+ Show more

Learning Objectives

• Explain how effective nuclear charge and electron shielding drive periodic trends in atomic and ionic properties.
• Predict how atomic radius, ionization energy, and electronegativity change across periods and down groups.
• Use periodic trends to infer likely ion sizes and bonding tendencies for representative elements.

Learning Objectives

• Understand the concept of heat transfer methods
• Identify different types of heat transfer: conduction, convection, and radiation
• Apply calorimetry principles to energy transfer scenarios+ Show more

Learning Objectives

• Explain how natural selection can favor adaptations in one environment but not in another
• Describe why tradeoffs occur when traits improve one aspect of fitness but reduce another
• Analyze how resource availability and predation pressure shape which traits become more common in a population

Learning Objectives

• Explain how energy is transferred and dissipated in oscillatory systems, including the role of non-conservative forces.
• Apply conservation of energy to driven and damped oscillations by tracking mechanical energy, heat, and energy supplied by a driver.
• Distinguish between simple harmonic motion and resonance, and predict how amplitude depends on frequency and damping.

Learning Objectives

• Define and explain the concepts of equilibrium constant Kc and Kp.
• Describe how the reaction quotient Q compares to the equilibrium constant.
• Understand how temperature influences equilibrium constants and describes thermodynamic relationships.

Learning Objectives

• Interpret reaction yield as the extent of reactant-to-product conversion under specific conditions
• Explain how particle-level ideas (collisions, activation energy, limiting reactants) affect reaction yield
• Connect kinetic changes in rate and competing pathways to theoretical (stoichiometric) yield+ Show more

Learning Objectives

• Use scientific conventions (significant figures, units, and terminology) to make data clear and reproducible.
• Interpret and improve scientific communication using labeled diagrams, consistent variables, and organized tables/graphs.

Learning Objectives

• Explain the Hardy-Weinberg principle as a null model for detecting evolutionary change in populations.
• Calculate expected genotype frequencies from allele frequencies using p^2, 2pq, and q^2.
• Identify how violations of Hardy-Weinberg assumptions (selection, migration, mutation, nonrandom mating, small population size) can change genotype frequencies.

Learning Objectives

• Understand the importance of operational definitions in scientific measurements
• Identify different units and their standardization
• Recognize common sources of measurement error and methods for calibration+ Show more

Learning Objectives

• Differentiate between measured reserves and inferred resources in mineral and energy assessment.
• Explain how geological mapping, geophysical surveys, and geochemical data constrain deposit occurrence and grade.
• Analyze how extraction choices and environmental factors (water use, waste, and greenhouse gases) affect overall resource sustainability.+ Show more

Learning Objectives

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

Learning Objectives

• Use Coulomb’s law to determine the magnitude and direction of electric force between point charges.
• Explain how the electric field relates to force per unit positive test charge and how fields superpose.
• Differentiate electric potential and electric potential energy and apply them to energy bookkeeping for charge configurations.

Learning Objectives

• Explain how galaxy redshift provides evidence for an expanding universe
• Describe how gravity and the contents of the universe affect the expansion history
• Connect the expansion model to measurements of the universe’s age, size scale, and structure formation+ Show more

Learning Objectives

• Understand different approaches to climate modeling including energy-balance and circulation models.
• Describe parameterization of radiative transfer, cloud feedbacks, and ocean–atmosphere coupling.
• Explain how models are validated using paleoclimate data, instrumental records, and sensitivity experiments.+ Show more

Learning Objectives

• Explain how trophic relationships determine energy flow and influence food-chain length and ecosystem productivity
• Identify how keystone species and trophic cascades can reshape community structure
• Describe how biogeochemical cycles link organism processes with abiotic reservoirs to regulate nutrient availability

Learning Objectives

• Explain how gravitational force and motion models account for predictable orbital paths
• Interpret relationships among orbital period, orbital speed, and orbital radius in a gravity-based framework
• Use observational evidence from planets, natural satellites, and exoplanets to support gravitational trajectory models