Grade 12 Science Worksheets

Learning Objectives

• Explain the principles of valence-shell electron-pair repulsion and how it predicts molecular shape.
• Identify hybridization types and their influence on molecular geometry.
• Relate molecular shapes to polarity and symmetry to predict physical properties.+ Show more

Learning Objectives

• Explain the basic principles of uniform and non-uniform circular motion.
• Calculate centripetal acceleration, tangential speed, and related forces in circular systems.
• Apply mathematical relations between angular velocity, period, and force to real-world scenarios.+ Show more

Learning Objectives

• Understand the stages of the scientific inquiry process from observation to conclusion.
• Identify key components such as hypothesis formulation, variable control, and operational definitions.
• Differentiate between qualitative and quantitative research approaches.+ Show more

Learning Objectives

• Explain the stages of scientific inquiry from observation to conclusion and justify why each stage matters.
• Formulate a testable hypothesis using appropriate operational definitions and identify variables in an investigation.
• Apply measurement protocols to evaluate validity and reproducibility, and interpret results with peer review criteria.+ Show more

Learning Objectives

• Explain the development of atomic models from Dalton to Rutherford and Bohr.
• Describe empirical evidence such as cathode ray experiments and gold foil scattering.
• Understand concepts of nuclear charge, mass number, and isotopic abundance.+ Show more

Learning Objectives

• Understand the main components and processes of key biogeochemical cycles.
• Explain how elements such as carbon, nitrogen, and phosphorus move among Earth's reservoirs.
• Describe human impacts on natural biogeochemical cycles and the feedback mechanisms involved.+ Show more

Learning Objectives

• Explain how slow processes (weathering, erosion, deposition, and tectonics) build the geologic record over immense timescales.
• Compare catastrophic events (large earthquakes and volcanic eruptions) with gradual processes in how they reshape landscapes and rocks.
• Use evidence from landforms and rock layers to infer relative timing and possible process rates.

Learning Objectives

• Explain the principles underlying the photoelectric effect and its significance in quantum physics.
• Analyze how photon energy relates to work function and emitted electron kinetic energy.
• Interpret experimental data such as threshold frequency and stopping potential to demonstrate particle-like behavior of light.+ Show more

Learning Objectives

• Describe the steps of a risk assessment (hazard identification, exposure assessment, consequence evaluation, and risk communication).
• Explain how governance tools (laws, regulations, permits) shape decision-making for complex socio-environmental issues.
• Evaluate how transparent evidence synthesis and multi-stakeholder trade-offs can improve public trust and decision quality.

Learning Objectives

• Interpret stratigraphic sequences to determine Earth's historical timeline.
• Analyze fossil assemblages to identify past environments.
• Utilize radiometric age data to date rock layers.+ Show more

Learning Objectives

• Understand the types of intermolecular forces and their molecular basis.
• Identify how London dispersion, dipole-dipole, and hydrogen bonds influence physical properties.
• Explain the role of intermolecular forces in phenomena like boiling points and protein folding.+ Show more

Learning Objectives

• Understand the concept of allele and genotype frequencies.
• Describe the Hardy–Weinberg equilibrium and its assumptions.
• Identify factors that cause changes in genetic variation such as selection, drift, and migration.+ Show more

Learning Objectives

• Understand the concept of hypothesis testing and significance levels.
• Interpret p-values in the context of scientific experiments.
• Differentiate between parametric and nonparametric tests.+ Show more

Learning Objectives

• Explain energy system efficiency as the fraction of input energy converted into useful output energy.
• Identify common loss pathways in energy systems and describe how design choices can reduce these losses.
• Analyze how insulation, surface area, and control systems affect conversion efficiency.+ Show more

Learning Objectives

• Explain why correct citation, authorship criteria, and data provenance are essential for scientific integrity.
• Apply ethical rules for citing sources, reporting methods, archiving data, and using persistent identifiers to improve reproducibility.
• Recognize responsible practices for negative results, sensitive data handling, and avoiding plagiarism.

Learning Objectives

• Understand the spectrum of electromagnetic waves and their properties.
• Relate frequency, wavelength, and energy in electromagnetic waves using quantitative relations.
• Identify regional exemplars of electromagnetic wave applications in communication.+ Show more

Learning Objectives

• Explain how plate motion, internal heat, and erosion shape Earth’s geologic evolution using evidence and models.
• Differentiate convergent, divergent, and transform boundaries based on typical geologic and earthquake-related features.
• Use evidence such as matching rock ages and magnetic patterns to support plate tectonics models.

Learning Objectives

• Understand the structure and function of nucleic acids.
• Explain the mechanisms of DNA replication and repair pathways.
• Describe how mutations and sequence variation influence heritable traits.+ Show more

Learning Objectives

• Interpret stratigraphic sequences and fossil assemblages to reconstruct Earth's history.
• Analyze radiometric age data and sedimentary facies models for geologic correlation.
• Describe the impacts of diagenesis and metamorphic overprinting on the rock record.+ Show more

Learning Objectives

• Compare mitosis and meiosis in terms of chromosome number, cell-cycle phases, and genetic outcomes
• Explain how homologous recombination and chromosome segregation affect allele combinations
• Interpret karyotype evidence and describe how nondisjunction leads to aneuploidy and altered phenotypes+ Show more

Learning Objectives

• Construct conceptual and quantitative models that represent relationships among system variables.
• Estimate parameters from data, validate models with new measurements, and refine structure based on predictive performance.
• Use dimensional analysis and scaling to check model consistency and transfer results across conditions.+ Show more

Learning Objectives

• Understand the role of molecular markers and genetic metrics in conservation efforts.
• Identify how genetic diversity, inbreeding, and gene flow impact population viability.
• Analyze examples from Alberta involving boreal caribou and prairie remnants related to genetic threats.+ Show more

Learning Objectives

• Understand the fundamental forces that influence motion
• Apply Newton’s three laws to analyze mechanical situations
• Interpret free-body diagrams and calculate net forces+ Show more

Learning Objectives

• Understand the role of regulatory standards and institutional tools in shaping scientific and technological development.
• Analyze different governance mechanisms such as environmental impact assessment and international agreements.
• Explore adaptive governance models and foresight methods like scenario analysis for anticipatory planning.+ Show more

Learning Objectives

• Explain how the total energy of a closed system is conserved even when energy changes forms or moves.
• Describe how heat transfer and work relate to changes in temperature, motion, and stored energy.
• Use energy accounting (before/after) to predict outcomes of interactions such as collisions and warming or cooling.

Learning Objectives

• Understand the purpose and structure of phylogenetic trees in evolutionary biology.
• Recognize methods used to construct and evaluate phylogenetic trees, including morphological and molecular data integration.
• Learn how molecular clock models estimate divergence times between species.+ Show more

Learning Objectives

• Explain and interpret conventions used in various graphical representations such as scatter plots, histograms, and residual plots.
• Identify trends, scale choices, and transformations in graphical data to make informed conclusions.
• Assess the quality of model fits visually and quantitatively, understanding how graphical choices affect analysis outcomes.+ Show more

Learning Objectives

• Describe the basic structure of Earth's layers.
• Explain the concept of plate tectonics and plate movements.
• Identify different types of plate boundaries and their characteristics.+ Show more

Learning Objectives

• Understand the principles of translating scientific findings into accessible formats for the general public.
• Identify ethical considerations and framing techniques in science communication.
• Describe the role of evidence summaries and infographics in supporting public understanding.+ Show more

Learning Objectives

• Describe contact and long-range force interactions and their laws.
• Apply free-body diagrams and net force calculations to analyze motion.
• Explain static and kinetic friction models and equilibrium conditions.+ Show more

Learning Objectives

• Explain how the spatial distribution and focal depths of earthquakes reveal active tectonic settings
• Compare focal mechanisms and moment tensors to interpret fault slip styles and stress regimes
• Use seismic tomography and integrated observations (mapping + geodetic data) to infer subsurface tectonic structure

Learning Objectives

• Understand the concept of wave superposition and interference patterns.
• Differentiate between constructive and destructive interference.
• Analyze standing waves and resonance phenomena.+ Show more

Learning Objectives

• Explain how heritable variation and differential reproductive success drive changes in allele frequencies over generations.
• Analyze how environmental pressures (climate, predators, pathogens, and competition) can shift trait distributions within populations.
• Differentiate natural selection from the idea that organisms adapt by changing their genes during their lifetimes.

Learning Objectives

• Understand how to evaluate competing design solutions using prioritized criteria.
• Analyze trade-offs among environmental, economic, and social impacts in system design.
• Apply data-supported reasoning to justify design choices considering uncertainty and unintended consequences.+ Show more

Learning Objectives

• Understand the role of biotechnology in agricultural resilience, diagnostics, and environmental cleanup.
• Identify genetic improvement strategies and molecular detection techniques used in biotechnology.
• Evaluate ethical, regulatory, and socioeconomic considerations in deploying biotech solutions.

Learning Objectives

• Identify ionic, covalent, and metallic bonding from electron behavior.
• Explain how bonding structures influence melting points.
• Compare electrical conductivity across different bonding types.+ Show more

Learning Objectives

• Interpret displacement, velocity, and acceleration in real-world motion investigations.
• Analyze two-dimensional motion using vector components.
• Apply vector addition to describe changes in motion.+ Show more

Learning Objectives

• Explain how changing magnetic flux produces induced electromotive force.
• Apply Faraday's law to interpret induced voltage in electrical systems.
• Predict induced current direction using Lenz's law.+ Show more

Learning Objectives

• Identify regions of the electromagnetic spectrum and their applications.
• Explain relationships among wavelength, frequency, and photon energy.
• Compare methods of electromagnetic wave generation and transmission.+ Show more

Learning Objectives

• Identify constructive and destructive interference in documented wave phenomena.
• Explain how phase differences affect resultant wave amplitude.
• Analyze standing-wave patterns using boundary-condition relationships.+ Show more

Learning Objectives

• Analyze relationships among voltage, current, resistance, and electrical power.
• Apply Ohm's law to explain electrical system behaviour.
• Explain current and voltage relationships using Kirchhoff's rules.+ Show more

Learning Objectives

• Apply momentum conservation to analyze collisions and propulsion.
• Explain energy transfers using the law of conservation of energy.
• Distinguish elastic, inelastic, and perfectly inelastic collisions.+ Show more

Learning Objectives

• Identify centripetal acceleration in real-world rotating systems
• Explain how tangential speed relates to circular motion
• Relate angular velocity to the period of rotation+ Show more

Learning Objectives

• Analyze how species interactions influence ecosystem stability.
• Explain how population changes affect ecological communities.
• Identify human impacts on habitats and food webs.+ Show more

Learning Objectives

• Identify hazards and exposure pathways in Alberta environmental cases
• Evaluate potential consequences of environmental and public health risks
• Analyze how scientific evidence informs risk-management decisions+ Show more

Learning Objectives

• Identify measurement error in documented scientific investigations
• Distinguish sampling variability from model uncertainty
• Interpret how confidence intervals affect scientific conclusions+ Show more

Learning Objectives

• Identify how measurement units influence scientific results.
• Explain the purpose of instrument calibration in scientific investigations.
• Distinguish measurement accuracy from precision.+ Show more

Learning Objectives

• Explain how scientists construct models from observations of real events.
• Describe how calibration improves agreement between models and observations.
• Compare the effects of model inputs and boundary conditions.+ Show more