Grade 12 Science Worksheets

Learning Objectives

• Distinguish scientific claims from pseudoscientific claims by evaluating evidence quality and reasoning.
• Apply criteria for credibility: transparency, empirical support, and alignment between data and interpretation.
• Assess bias, assumptions, and overgeneralization in scientific explanations.+ Show more

Learning Objectives

• Explain centripetal acceleration and how it changes velocity direction in circular motion.
• Apply the relationship between net inward force, speed, radius, and mass for orbits and rotating systems.
• Interpret and predict how changes in speed or radius affect centripetal force and acceleration.

Learning Objectives

• Explain how redshift relates to wavelength stretching and the expansion of space.
• Interpret the distance–redshift relationship and what it implies about cosmic history.
• Evaluate how observations across multiple wavelengths support models of an expanding universe.+ Show more

Learning Objectives

• Identify major observable evidence that a chemical reaction has occurred (gas, color change, precipitate, and temperature change).
• Explain how particle-level models support reaction evidence through bond breaking and bond forming while conserving total atoms.
• Differentiate endothermic and exothermic processes using temperature changes and microscopic reasoning.+ Show more

Learning Objectives

• Explain how energy flows through an ecosystem using trophic levels (producers, consumers, decomposers).
• Analyze why energy generally decreases at higher trophic levels and how that limits productivity.
• Describe how decomposers and matter cycling sustain ecosystem structure and biological productivity.

Learning Objectives

• Determine whether a chemical equation is balanced by comparing atom counts on both sides.
• Interpret coefficients in balanced equations as relative particle amounts and connect them to moles.
• Use balanced equations for stoichiometric reasoning, focusing on conservation of atoms and consistent accounting.

Learning Objectives

• Explain how codominance and incomplete dominance produce phenotypes that reflect combined allele effects.
• Predict outcomes of allele interactions and describe why they differ from simple dominance.
• Analyze how multiple genes influence a phenotype and how recombination affects inheritance probabilities.+ Show more

Learning Objectives

• Explain how radioactive decay and half-life make absolute time dating possible
• Calculate ages using parent/daughter amounts and half-life concepts
• Compare radioactive (absolute) dating with relative dating methods+ Show more

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 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

• Apply a multi-criteria decision framework to compare competing regional energy or environmental remediation options using cross-disciplinary evidence.
• Synthesize biological, chemical, and physical data to justify a defensible recommendation while making assumptions and limitations explicit.
• Evaluate uncertainty and confidence to improve the quality of scientific arguments and design critiques.

Learning Objectives

• Explain how hypothesis tests, confidence intervals, p-values, effect sizes, and statistical power relate to one another in scientific studies
• Evaluate assumptions for parametric vs. nonparametric methods and identify suitable tests (t-tests, chi-square tests, and regression) for given scenarios
• Interpret correlation vs. causation and use diagnostic checks (residuals, assumptions, and validation via bootstrap/permutation) to support conclusions

Learning Objectives

• Apply Newton’s three laws to describe relationships between net force, acceleration, and motion
• Construct and interpret free-body diagrams to identify forces acting on an object
• Calculate net forces and predict motion using acceleration models that include friction and drag

Learning Objectives

• Explain how inherited variation and differential reproductive success lead to changes in allele frequencies over generations.
• Connect phenotypes to fitness in specific environments and describe how this results in adaptation.
• Evaluate common misconceptions about natural selection (e.g., individuals evolving during their lifetimes).

Learning Objectives

• Use VSEPR electron-domain counting to predict molecular shapes and approximate bond angles
• Connect orbital hybridization (sp, sp2, sp3) to molecular geometry and predicted bond angles
• Evaluate how molecular geometry affects polarity, steric effects, and intermolecular interactions

Learning Objectives

• Explain how grain size, composition, and fossil content in sedimentary deposits reflect past water motion, climate, and life.
• Compare fluvial, marine, glacial, and aeolian sediments in terms of transport energy and environmental conditions.
• Describe how isotopic ratios, organic biomarkers, and mineral assemblages function as proxies for past environments.+ Show more

Learning Objectives

• Explain how land-use conversion, industrial emissions, pollution pathways, and urbanization drive ecosystem degradation.
• Analyze case phenomena (agricultural runoff, point-source contamination, and coastal development) using cause-and-effect reasoning.
• Interpret key metrics such as contamination concentration trends, habitat loss rates, and human-induced stress indicators in a policy-relevant framework.

Learning Objectives

• Represent RLC AC circuits using phasors to determine impedance and reactance and to identify phase relationships.
• Calculate real power, reactive power, apparent power, and power factor for sinusoidal 60 Hz AC loads.
• Use resonance conditions in series and parallel RLC circuits to predict current/voltage behavior and energy transfer.

Learning Objectives

• Differentiate kinetic, potential, and thermal energy and identify how each relates to motion and deformation.
• Explain how mechanical energy (KE + U) changes in the presence of non-conservative forces such as friction.
• Use energy conservation and the kinetic energy relationship KE = 1/2 mv^2 to connect concepts to calculations.+ Show more

Learning Objectives

• Explain how electromagnetic waves travel and how frequency, wavelength, and energy are related across the spectrum
• Use quantitative relationships to analyze wave properties (e.g., wavelength–frequency–energy) for communication scenarios
• Apply Maxwellian ideas to describe how changing electric and magnetic fields support wave propagation+ Show more

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

• Explain how momentum conservation applies to systems with changing mass (ejecting or accreting propellant).
• Relate exhaust velocity, mass flow rate, and acceleration in qualitative rocket-thrust reasoning.
• Use the idea of momentum exchange to predict the direction of thrust when mass leaves or enters a system.

Learning Objectives

• Explain how multiple lines of evidence (fossils, homology, biogeography, and molecular data) support evolution.
• Interpret how transitional forms and homologies indicate common ancestry.
• Use basic reasoning to connect DNA sequence relationships and molecular phylogenies to speciation over deep time.+ Show more

Learning Objectives

• Explain what enthalpy change (ΔH) represents and use sign conventions to classify reactions as exothermic or endothermic.
• Apply Hess’s law and standard enthalpies of formation conceptually to determine reaction enthalpies.
• Interpret thermochemical information to reason about energy requirements and heat released in industrial and environmental contexts.

Learning Objectives

• Explain how genetic markers and population-genetic theory are used to measure biodiversity and connectivity in fragmented wildlife populations.
• Interpret key metrics such as heterozygosity, inbreeding, effective population size, and gene flow to assess extinction risk.
• Evaluate how genetic structure and demographic viability influence conservation planning, including habitat corridors and recovery actions.

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 SI measurement units and why consistent unit choice matters for comparing scientific data.
• Differentiate accuracy, precision, systematic error, random error, and instrument calibration.
• Interpret significant figures and measurement documentation for reliable long-term monitoring in field contexts.

Learning Objectives

• Explain Faraday’s law and Lenz’s law using the idea of changing magnetic flux.
• Calculate or interpret induced emf and flux linkage relationships in qualitative and quantitative contexts.
• Predict the direction of induced current using Lenz’s law and describe safety/engineering implications for power systems.

Learning Objectives

• Apply conservation of momentum and conservation of energy to isolated-system scenarios.
• Differentiate elastic, inelastic, and perfectly inelastic collisions using momentum and kinetic-energy outcomes.
• Use algebraic conservation equations to relate initial and final states in collision, explosion, and energy-transfer problems.

Learning Objectives

• Explain how Aufbau, Pauli exclusion, and Hund’s rules determine electron configuration for main-group elements.
• Predict valence electrons and common ion charges from electron configurations and subshell filling.
• Use configuration logic to justify periodic trends in bonding tendency and chemical reactivity.

Learning Objectives

• Represent displacement, velocity, and acceleration as vectors and relate them to components in 1D and 2D motion
• Use vector decomposition to solve quantitative problems involving projectile motion and component-wise acceleration
• Model planar trajectories using parametric equations and predict position and time under realistic conditions

Learning Objectives

• Use confidence intervals and uncertainty language to interpret environmental and public health data.
• Evaluate hypotheses using evidence and justify conclusions with statistical reasoning.
• Analyze how measurement error and uncertainty can affect model-based decisions.

Learning Objectives

• Compare surface processes on terrestrial planets and icy bodies by interpreting crater records, volcanic landforms, and erosion patterns.
• Explain how internal structure (e.g., differentiation, tectonics, cryovolcanism) influences planetary thermal evolution and observable geology.
• Use remote sensing and sample/in situ evidence to reconstruct geologic histories and evaluate roles of impact flux and volatile-driven alteration.

Learning Objectives

• Explain the mole concept and use Avogadro’s number to convert between particles and moles.
• Calculate molar mass and perform mass↔mole conversions for chemical substances.
• Use balanced chemical equations to determine quantitative relationships between reactants and products.

Learning Objectives

• Explain how biotechnology supports agricultural innovation, diagnostic testing, and bioremediation in Alberta contexts.
• Analyze how genetic improvement and molecular detection methods work and why they are chosen.
• Evaluate ethical, regulatory, and socioeconomic considerations involved in responsible biotech deployment.+ Show more

Learning Objectives

• Explain how laminar and turbulent flow relate to river hazards, sediment transport, and pollutant dispersion
• Apply continuity and Bernoulli’s relationships to predict qualitative changes in pressure and velocity in natural systems
• Use scaling arguments and dimensional analysis to connect laboratory measurements to field-scale fluid motion in Alberta

Learning Objectives

• Explain how quantized electronic energy levels produce discrete emission and absorption lines in atomic spectra
• Interpret spectral patterns to connect line positions with energy differences and selection rules
• Analyze how line broadening affects spectral measurements and element identification+ Show more

Learning Objectives

• Distinguish precision and accuracy and identify sources of systematic and random error in experimental measurements
• Apply rules for significant figures when reporting measured quantities and uncertainties
• Use uncertainty concepts to propagate error through calculations and interpret uncertainty bounds or confidence intervals+ Show more

Learning Objectives

• Explain how albedo changes the amount of solar energy reflected back into space
• Analyze how ice cover changes can create warming or cooling feedback loops
• Evaluate how clouds and atmospheric conditions alter the energy reaching Earth’s surface+ Show more

Learning Objectives

• Explain how fossil, comparative anatomy, biogeography, and genetic evidence support common descent and evolutionary change
• Analyze how patterns across different evidence sources strengthen scientific explanations of evolution
• Use vocabulary such as homologous structures, analogous structures, and phylogenetic trees to describe evolutionary relationships

Learning Objectives

• Use angular speed and tangential speed to calculate centripetal acceleration in uniform circular motion
• Apply the centripetal force concept to determine net radial force requirements for stable turning systems
• Relate period and angular velocity to analyze rotational motion and critical speed ideas in real contexts+ Show more

Learning Objectives

• Explain how alleles segregate into gametes and how this leads to predictable inheritance outcomes.
• Use Punnett-style reasoning to determine genotype and phenotype probabilities in monohybrid crosses.
• Interpret dominance relationships by connecting genotype ratios to phenotype ratios.+ Show more

Learning Objectives

• Explain how erosion and weathering reshape Earth’s surface and transport material through different agents (water, wind, ice, gravity).
• Identify how sediment properties and landforms provide evidence for past erosion, transport, and depositional environments.
• Connect layered sediment records and surface patterns (elevation and slope) to deeper geologic processes such as uplift.

Learning Objectives

• Explain how igneous, sedimentary, and metamorphic rocks transform through rock-cycle processes.
• Trace how weathering, erosion, transport, deposition, and burial contribute to sedimentary rock formation.
• Describe how heat and pressure drive metamorphism and how melting and crystallization restore igneous rocks.+ Show more

Learning Objectives

• Explain how collision theory, activation energy, and temperature influence reaction rates.
• Use experimental rate laws and reaction orders to predict how concentration affects rate.
• Apply the Arrhenius relationship to relate temperature changes to rate constant changes.+ Show more

Learning Objectives

• Explain how geographic isolation, ecological divergence, and chromosomal changes contribute to reproductive isolation.
• Describe how hybridization and adaptive radiation can generate new lineages and species.
• Interpret how phylogenetic trees and fossil records provide evidence for speciation events.

Learning Objectives

• Explain how governance and policy mechanisms influence the development and use of scientific and technological innovations.
• Apply risk assessment and environmental impact assessment ideas to evaluate future technology choices.
• Compare regulatory standards, international agreements, and adaptive governance approaches for accountability.+ Show more

Learning Objectives

• Select appropriate sensors and measurement systems by linking sensor specifications to measurement goals, limits, and required accuracy.
• Explain how calibration, resolution, signal processing, and sampling rate affect the validity of acquired data.
• Use calibration standards and quality-control checks to estimate and manage measurement uncertainty in laboratory and field instruments.+ Show more