Grade 12 Science Worksheets

Learning Objectives

• Determine oxidation numbers and identify oxidation and reduction in chemical reactions.
• Balance redox equations in acidic and basic media using oxidation numbers or half-reactions.
• Calculate galvanic cell EMF using standard reduction potentials and apply Faraday’s laws to electrochemical quantities.

Learning Objectives

• Understand the concept of oxidation numbers and their use in balancing redox reactions.
• Explain electron transfer notation and properly balance redox equations in acidic and basic media.
• Link galvanic and electrolytic cell concepts to standard reduction potentials and cell EMF calculations.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the principles of oxidation and reduction including oxidation numbers.
• Apply electron transfer notation and balance redox equations in acidic and basic media.
• Explain the concepts of galvanic and electrolytic cells and relate standard reduction potentials to cell EMF.+ Show more

Learning Objectives

• Use oxidation numbers to identify which species are oxidized and which are reduced in redox reactions.
• Balance redox equations using half-reactions in acidic and basic media, including correct electron bookkeeping.
• Explain galvanic versus electrolytic cells using standard reduction potentials and cell notation to predict and calculate cell EMF.+ Show more

Learning Objectives

• Use oxidation numbers to identify oxidation and reduction in chemical reactions.
• Write and balance redox equations in acidic and basic media using electron-transfer logic.
• Connect galvanic and electrolytic cells to standard reduction potentials and use cell notation to calculate cell EMF.+ Show more

Learning Objectives

• Understand the concept of oxidation numbers and how to determine them in various compounds.
• Learn to write oxidation-reduction (redox) reactions using electron transfer notation.
• Balance redox equations in acidic and basic media.+ Show more

Learning Objectives

• Explain semi-conservative DNA replication and how parental strands template complementary new strands.
• Describe the roles of helicase, primase, and DNA polymerase in coordinating replication steps.
• Evaluate how proofreading and repair mechanisms maintain replication fidelity and reduce mutation rates.+ Show more

Learning Objectives

• Explain the flow of energy through trophic levels in an ecosystem.
• Identify key species and their influence on community structure.
• Describe how biogeochemical cycles support ecosystem productivity.+ Show more

Learning Objectives

• Understand the concept of Hess cycles and how they apply to thermochemical calculations.
• Explain how enthalpy conservation is used to determine reaction energetics indirectly.
• Identify the steps involved in constructing a thermochemical cycle, including formation, atomization, and ionization.+ Show more

Learning Objectives

• Explain how models are constructed, parameterized, and calibrated to represent real systems
• Use model validation and sensitivity analysis to judge how trustworthy model predictions are
• Identify the roles of boundary conditions, assumptions, and uncertainty in interpreting modeling results

Learning Objectives

• Explain the basic assumptions of the Hardy-Weinberg principle.
• Calculate expected genotype frequencies using allele frequencies.
• Identify when populations deviate from Hardy-Weinberg equilibrium and infer possible causes.+ Show more

Learning Objectives

• Distinguish between London dispersion forces, dipole-dipole interactions, and hydrogen bonding
• Predict how intermolecular forces influence boiling point, melting point, surface tension, and solubility
• Connect molecular structure (polarity and hydrogen-bonding ability) to observed condensed-phase behavior+ Show more

Learning Objectives

• Explain the fundamentals of oxidation-reduction (redox) reactions, including electron transfer and oxidation states.
• Balance redox half-reactions accurately using conservation of mass and charge.
• Apply electrochemical principles to real-world scenarios such as corrosion, battery operation, and metal refining.+ Show more

Learning Objectives

• Explain the principle of conservation of linear momentum in isolated systems.
• Define momentum and impulse, and describe their relationship.
• Analyze the differences between elastic and inelastic collisions using momentum and kinetic energy.+ Show more

Learning Objectives

• Define enthalpy change and explain its significance in chemical reactions
• Distinguish between exothermic and endothermic processes
• Describe how Hess’s law is used to calculate reaction enthalpies+ Show more

Learning Objectives

• Understand the processes of transcription and translation in gene expression.
• Identify the factors that regulate gene expression at transcriptional and post-transcriptional levels.
• Explain the roles of promoters, enhancers, repressors, and epigenetic modifications.+ Show more

Learning Objectives

• Explain the different types of intermolecular forces and their characteristics.
• Identify how intermolecular forces influence physical properties like boiling and melting points.
• Differentiate between London dispersion forces, dipole-dipole interactions, and hydrogen bonding.+ Show more

Learning Objectives

• Describe how atoms share or transfer electrons to form ionic, covalent, and metallic bonds.
• Use electronegativity differences to predict bond polarity.
• Explain the concepts of bond order and bond energy and their relation to bond length and strength.+ Show more

Learning Objectives

• Understand how atomic and ionic properties vary across the periodic table.
• Explain the concepts of atomic radius, ionization energy, and electronegativity.
• Describe the effects of nuclear charge and electron shielding on periodic trends.+ Show more

Learning Objectives

• Explain how engineering teams match material properties to functional requirements and operating conditions.
• Evaluate common failure risks (fatigue, corrosion, and environmental degradation) when selecting materials.
• Compare materials such as aluminum, steel, and polymer composites using criteria like strength, toughness, thermal conductivity, and durability.

Learning Objectives

• Interpret scientific graphs by correctly reading axes, scales, and units
• Use graph features (slope, intercept, and curvature) to connect visual patterns to scientific claims
• Distinguish meaningful trends from random scatter and recognize misleading graph conventions

Learning Objectives

• Explain the process of gene transcription and translation
• Identify the roles of promoters, enhancers, and transcription factors in gene regulation
• Describe how epigenetic modifications affect gene expression+ Show more

Learning Objectives

• Compare surface processes across different planetary bodies beyond Earth.
• Identify key geologic features indicative of planetary thermal history and surface modifications.
• Analyze the evidence gathered from remote sensing, sample analysis, and in situ measurements.+ Show more

Learning Objectives

• Explain the principles of reflection and refraction in geometric optics.
• Apply Snell’s law to calculate the bending of light at interfaces.
• Perform ray tracing techniques to determine image formation through lenses and mirrors.+ Show more

Learning Objectives

• Understand the interactions between atmosphere, hydrosphere, lithosphere, and cryosphere in climate systems.
• Analyze energy transfer mechanisms and matter cycling within Earth systems.
• Evaluate the effects of radiative balance and albedo on climate variability.+ Show more

Learning Objectives

• Understand how sediment characteristics reflect environmental conditions.
• Identify types of sediments and their significance in environmental reconstructions.
• Learn how proxies like isotopic ratios and mineral assemblages are used in paleoenvironmental studies.+ Show more

Learning Objectives

• Understand how phylogenetic trees represent evolutionary relationships among organisms.
• Identify shared derived characters used to construct phylogenies.
• Explain the role of molecular clock models in estimating divergence times.+ Show more

Learning Objectives

• Describe the molecular structure of DNA, including nucleotide components and antiparallel strands.
• Explain how phosphodiester backbones and hydrogen bonding contribute to DNA structural stability.
• Connect DNA molecular architecture to conserved patterns across organisms using Alberta examples.

Learning Objectives

• Explain the principles behind the photoelectric effect and its significance in quantum physics.
• Describe how photon energy relates to work function and the kinetic energy of emitted electrons.
• Interpret experimental data involving threshold frequency, stopping potential, and photon flux.+ Show more

Learning Objectives

• Understand how technological systems influence efficiency, safety, sustainability, and reliability.
• Analyze the importance of system behavior in selecting appropriate technology.
• Evaluate how efficiency improvements can be made in everyday devices.

Learning Objectives

• Understand how water causes erosion and shapes landscapes
• Identify types of erosion such as river incision and coastal erosion
• Explain factors influencing erosion rates like climate and vegetation+ Show more

Learning Objectives

• Understand how biological, chemical, and physical processes interact in environmental phenomena.
• Analyze complex regional environmental patterns through cross-disciplinary reasoning.
• Explain the role of nutrient cycles, chemical speciation, and physical transport in ecosystems.+ Show more

Learning Objectives

• Explain the concept of gravitational fields as long-range forces producing central accelerations.
• Define gravitational potential and gravitational potential energy in two-body systems.
• Describe how field strength varies with distance from mass sources.+ Show more

Learning Objectives

• Explain how wave reflection and refraction occur at boundaries between media with different properties.
• Use impedance mismatch and wave-speed concepts to predict changes in direction and speed of waves.
• Apply Snell-like reasoning with an index of refraction to describe refraction for light waves.

Learning Objectives

• Explain how technology choices affect efficiency, safety, sustainability, and reliability.
• Evaluate trade-offs between performance, risk reduction, environmental impact, and long-term operation.
• Use real-world examples to justify technology decisions using evidence and systems thinking.

Learning Objectives

• Understand the role of mathematical and computational models in scientific prediction.
• Identify key components and processes involved in model construction and validation.
• Analyze the limitations and uncertainties inherent in different types of models.+ Show more

Learning Objectives

• Explain how conservation of momentum applies to systems with changing mass.
• Relate mass ejection or accretion to thrust and changes in a vehicle’s velocity.
• Connect mass flow rate and exhaust velocity to vehicle acceleration and propulsion design.

Learning Objectives

• Define the mole concept, molar mass, and understand their roles in quantitative chemical calculations.
• Explain how to convert between mass and moles using molar mass.
• Interpret and balance chemical equations to determine molar relationships.+ Show more

Learning Objectives

• Understand the concept of electronegativity and how it influences bond polarity.
• Distinguish between polar and nonpolar covalent bonds based on molecular structure.
• Explain how bond polarity affects molecular interactions, solubility, and physical properties.+ Show more

Learning Objectives

• Understand the principles of alternating current and sinusoidal waveforms
• Identify the components of AC circuits: resistance, inductance, and capacitance
• Explain impedance, reactance, and phase relationships in AC networks+ Show more

Learning Objectives

• Understand the fundamental concepts of plate tectonics and how the Earth's lithospheric plates move.
• Identify different types of plate boundaries and their characteristic geological features.
• Explain processes such as sea-floor spreading and subduction zones that shape the Earth's surface.+ Show more

Learning Objectives

• Explain the concept of equilibrium constants (Kc and Kp) and their significance in chemical reactions.
• Describe how the reaction quotient (Q) guides the direction of the net reaction.
• Analyze the effects of temperature changes on equilibrium and the relationship with Gibbs free energy.+ Show more

Learning Objectives

• Explain the concepts of measurement error, sampling variability, and model uncertainty in the context of environmental data.
• Describe how uncertainty propagates through calculations and models in scientific investigations.
• Interpret confidence intervals and hypothesis testing results in relation to uncertainty.+ Show more

Learning Objectives

• Understand the basic concepts of gene expression
• Identify the processes of transcription and translation
• Recognize the factors regulating gene expression, including promoters, enhancers, and epigenetic modifications+ Show more

Learning Objectives

• Understand the concept of high-resolution genomic data
• Learn how genomic data are used in medicine and conservation
• Recognize the ethical considerations and concerns related to genomics

Learning Objectives

• Explain chemical equilibrium in terms of equal forward and reverse reaction rates and constant equilibrium concentrations
• Use equilibrium constant expressions (Kc) and reaction quotient (Q) to predict the direction of shift
• Apply Le Chatelier’s principle to qualitatively predict how changes in concentration, pressure, or temperature affect equilibrium+ Show more

Learning Objectives

• Explain how electromagnetic waves carry energy using coupled electric and magnetic fields
• Use frequency–wavelength relationships to predict how signals behave in different media
• Describe reflection, refraction, attenuation, dispersion, and polarization in signal transmission