Grade 12 Science Worksheets

Learning Objectives

• Select appropriate sensors and measurement systems by considering calibration needs, resolution limits, and interfacing requirements.
• Explain how sampling rate affects measured signals, including the role of aliasing in data acquisition.
• Apply calibration curves and quality-control procedures to estimate measurement uncertainty in laboratory instruments.

Learning Objectives

• Identify and use key wave-model parameters (wavelength, frequency, amplitude, period, and propagation speed) to explain wave behavior.
• Differentiate transverse and longitudinal waves and relate wave type to how energy transfers through a medium.
• Explain superposition and interference using wave models, including how patterns form from combining waves.+ Show more

Learning Objectives

• Explain how earthquake spatial distribution and focal depth patterns reflect tectonic settings.
• Describe how focal mechanisms and moment-tensor ideas relate to crustal stress and fault motion.
• Interpret how seismic tomography can reveal subsurface structures and heterogeneity.

Learning Objectives

• Use mole concept and molar mass to convert between mass, moles, and particle counts in stoichiometry problems.
• Determine limiting reagent, theoretical yield, and percent yield from balanced chemical equations and given quantities.
• Apply gas stoichiometry using the ideal gas law and balanced-equation mole ratios to relate gas volumes and moles.

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 how VSEPR electron-pair repulsion predicts molecular shapes and bond angles
• Use hybridization ideas to connect bonding patterns with molecular geometry
• Predict how molecular geometry affects polarity, intermolecular forces, and properties such as boiling point

Learning Objectives

• Explain how collision theory, activation energy, and temperature influence reaction rates.
• Use rate laws and experimental reaction orders to predict how concentration affects reaction rates.
• Relate temperature changes to rate constants using the Arrhenius equation concepts.+ Show more

Learning Objectives

• Compare ionic, covalent, and metallic bonding using electron-transfer, electron-sharing, and delocalization ideas
• Use electronegativity differences to predict bond polarity and relate bond order/bond energy to bond length and strength
• Explain how lattice energy affects ionic solid properties and connect bonding models to electron structure

Learning Objectives

• Explain how electric charge and current relate to electric and magnetic fields
• Describe how changing electromagnetic fields can produce electromagnetic waves
• Connect the electromagnetic spectrum to visible light and radio waves+ Show more

Learning Objectives

• Use equilibrium constants to quantify reactant and product activity ratios at steady state.
• Compare reaction quotient Q with equilibrium constant K to predict the direction of net reaction.
• Relate temperature changes to shifts in equilibrium constants and link thermodynamics to equilibrium using Gibbs free energy.

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

• Use Coulomb’s law to determine the magnitude and direction of the electric force between two point charges.
• Explain the inverse-square dependence of electric force and relate it to how electric fields are mapped in space.
• Apply superposition to find the net electric field or net force from multiple charge sources.

Learning Objectives

• Describe the key structural features of DNA, including nucleotide composition and base pairing.
• Explain how the phosphodiester backbone and hydrogen bonding contribute to DNA stability.
• Connect DNA structure to conserved molecular architecture across organisms.

Learning Objectives

• Explain how collision theory and the activated complex model relate to reaction rate and temperature effects.
• Predict qualitative changes in reaction rate when concentration, temperature, and surface area are varied.
• Determine reaction order from rate-law reasoning and interpret how catalysts change activation energy.

Learning Objectives

• Explain how electronegativity differences create bond dipoles and polar bonds.
• Connect molecular polarity to intermolecular forces and real-world behaviors like solubility and boiling point trends.
• Predict how polarity affects separations relevant to environmental chemistry and industrial processing.

Learning Objectives

• Explain how weathering and erosion work together to reshape Earth’s surface
• Describe how transport sorts sediments and how that sorting can be used as evidence
• Interpret landforms and rock/sediment layers to connect surface change to deeper geologic processes

Learning Objectives

• Explain how reflection and refraction happen when waves meet boundaries between different media.
• Describe how changes in wave speed lead to bending during refraction while frequency is preserved.
• Use concepts of impedance mismatch and refractive index to predict wave behavior for light and sound.

Learning Objectives

• Interpret stratigraphic sequences and identify what unconformities and fossils suggest about relative time.
• Use radiometric age information with stratigraphy to build coherent chronologies of geologic events.
• Explain how depositional environments, diagenesis, and metamorphic overprinting can modify the rock record.

Learning Objectives

• Explain how forward and reverse reaction rates relate to a system at chemical equilibrium.
• Use Le Chatelier’s principle to predict shifts in equilibrium when conditions change.
• Apply equilibrium-constant ideas qualitatively to compare product and reactant amounts.

Learning Objectives

• Explain how electronic transitions produce discrete emission and absorption lines in atomic spectra.
• Interpret spectral patterns to connect line positions with energy quantization and electron structure.
• Describe how selection rules and line broadening affect observed spectra and element identification.

Learning Objectives

• Explain how ethical, legal, and social considerations apply to biotechnology such as genome editing and cloning.
• Analyze biosafety, ecological risk, and equitable access when evaluating biotechnology proposals.
• Describe how intellectual property and regulation influence real-world biotech adoption, including in Alberta.

Learning Objectives

• Explain how birth, death, immigration, and emigration change population size and composition over time
• Interpret exponential vs. logistic growth and relate logistic growth to carrying capacity
• Distinguish between density-dependent and density-independent factors in population change+ Show more

Learning Objectives

• Explain how vectors, restriction enzymes, and DNA ligase work together to build recombinant DNA constructs
• Identify key steps in plasmid cloning, restriction mapping, and genome editing for targeted genetic modification
• Analyze how recombinant DNA methods support canola trait development and molecular diagnostics while considering ethics and regulation

Learning Objectives

• Frame a senior design research question and define measurable variables for field or laboratory testing.
• Apply controlled comparisons by managing variables and choosing appropriate instrumentation for air or water monitoring.
• Use statistical reasoning to assess significance, quantify error/uncertainty, and document reproducible, ethical data handling.

Learning Objectives

• Explain how signalling pathways, transcription factors, and noncoding RNAs work together to regulate gene expression.
• Describe how epigenetic marks (DNA methylation and histone modifications) can change chromatin accessibility and long-term gene expression.
• Apply regulatory-network concepts to environmental stress and immune regulation in real organisms.

Learning Objectives

• Use VSEPR electron-pair repulsion to predict electron-domain geometry and molecular shape.
• Apply orbital hybridization concepts to connect molecular geometry with expected bond angles and polarity.
• Explain how steric effects from lone pairs and bulky groups influence reactivity and intermolecular interactions.

Learning Objectives

• Explain how historical atomic models evolved from Dalton’s ideas to quantum mechanical descriptions.
• Describe how subatomic particles and electron probability distributions relate to atomic mass and chemical behavior.
• Interpret how isotopes and spectroscopic evidence support real-world applications such as geological dating and uranium resource studies.

Learning Objectives

• Explain how dissolution, sorption, volatilization, and biodegradation control chemical fate in soil and water systems
• Use kinetic vs. equilibrium ideas to predict contaminant distribution and long-term persistence
• Apply partitioning concepts to reason about monitoring and remediation strategies

Learning Objectives

• Define the mole concept and explain how moles relate to particles in samples.
• Calculate molar mass and use it to convert between grams and moles.
• Use coefficients from a balanced equation to predict reactant limits and product amounts.+ 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

• 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 the main steps of risk assessment (hazard identification, exposure assessment, and consequence evaluation) in socio-environmental decisions.
• Describe how governance frameworks in Alberta use laws, policies, and stakeholder processes to manage risk.
• Evaluate how transparent risk communication and evidence synthesis help support community trust and decision-making.

Learning Objectives

• Explain how wave superposition leads to constructive and destructive interference using phase and amplitude ideas
• Predict nodal and antinodal patterns for standing waves using boundary conditions
• Relate resonance and frequency to how systems amplify vibrations in real-world acoustic and mechanical contexts

Learning Objectives

• Explain how changing magnetic flux produces an induced emf using Faraday’s law and Lenz’s law
• Predict the direction of induced current by applying Lenz’s law
• Solve or interpret quantitative relationships involving induced emf, flux linkage, and turns

Learning Objectives

• Explain how Aufbau, Pauli exclusion, and Hund’s rules determine electron configurations for main-group elements.
• Use electron configuration to predict valence electrons, periodic trends, and likely chemical behavior.
• Interpret how oxidation states and bonding tendencies relate to subshell filling and electron distribution.

Learning Objectives

• Explain how biotechnology is used in Alberta contexts such as agriculture, diagnostics, and environmental cleanup
• Analyze benefits and risks of genetic and microbial technologies, including ethical and regulatory considerations
• Describe how molecular detection and bioremediation work at a basic cause-and-effect level

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

• Apply Newton’s three laws to predict motion when multiple forces act on an object.
• Compute net force and acceleration, including friction and drag, using quantitative relationships.
• Interpret and use free-body diagrams to model terrestrial and wind-related dynamics.

Learning Objectives

• Explain how primary productivity and decomposition drive energy flow and matter turnover in ecosystems.
• Describe how biogeochemical cycles connect organisms with the atmosphere, hydrosphere, and soil.
• Interpret how land-use change and climate variability can alter nutrient availability and ecosystem resilience.

Learning Objectives

• Connect DNA-level variation to gene expression and fitness consequences in evolving populations.
• Explain how mutation, natural selection, and gene flow interact to change allele frequencies over time.
• Evaluate how evolutionary dynamics can alter ecological interactions and ecosystem outcomes.

Learning Objectives

• Explain how gene expression involves transcription and translation to produce functional proteins.
• Describe how promoters, enhancers, and transcription factors regulate when and where genes are expressed.
• Analyze how epigenetic modifications and regulatory networks affect tissue specificity and timing of expression.+ Show more

Learning Objectives

• Explain how interspecific interactions (competition, predation, parasitism, mutualism, commensalism) shape ecological communities and food webs.
• Describe how energy flow and trophic efficiency influence biomass distribution across ecosystems.
• Use Alberta examples to evaluate how species interactions can affect community composition, resilience, biodiversity, and stability.

Learning Objectives

• Explain how reproductive isolation prevents gene flow and leads to distinct lineages over time
• Compare allopatric, sympatric, and peripatric speciation and identify the main drivers of each mode
• Use examples to connect barriers, divergent selection, and founder events to genetic and reproductive boundaries

Learning Objectives

• Explain semi-conservative DNA replication and how template strands guide complementary base pairing.
• Describe the roles of helicase, primase, and DNA polymerase in coordinating replication.
• Evaluate how proofreading and repair help maintain replication fidelity and reduce mutation rates.

Learning Objectives

• Interpret environmental data using confidence intervals and uncertainty to support evidence-based conclusions
• Evaluate claims with hypothesis testing and explain the role of measurement error and model validation
• Use quantitative reasoning to justify decisions when data are incomplete or noisy

Learning Objectives

• Apply conservation of momentum and conservation of energy to analyze collisions and energy transfers.
• Differentiate elastic, inelastic, and perfectly inelastic collisions using physical meanings of the outcomes.
• Set up and use algebraic conservation equations to relate initial and final states in isolated systems.

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

• Explain how biological nutrient cycles, chemical speciation, and physical transport processes interact in environmental systems
• Use cross-disciplinary reasoning to predict emergent outcomes in Alberta landscapes
• Evaluate environmental management strategies using integrated science concepts