Grade 12 Science Worksheets

Learning Objectives

• Use significant figures, correct units, and consistent terminology to report scientific measurements clearly and precisely.
• Evaluate whether a scientific claim is reproducible by checking evidence presentation (tables, graphs, labeled diagrams) and methodological detail.
• Choose and apply appropriate communication conventions to reduce ambiguity in laboratory and data-based scientific communication.

Learning Objectives

• Explain how models connect inputs to outputs when geometry, time, materials, power, or cost are constrained.
• Evaluate assumptions and measurement uncertainty in decision-making using a modeling framework.
• Use simplified physics-based relationships and tolerances to predict performance and reliability.

Learning Objectives

• Understand the key processes of weathering, erosion, transport, and deposition and their roles in shaping landscapes.
• Analyze how climate, vegetation, and tectonic setting influence surface change rates.
• Interpret process-response diagrams, sediment budgets, and channel profile models in the context of landscape evolution.+ Show more

Learning Objectives

• Understand the concepts of wave reflection and refraction
• Identify real-world examples of wave behaviors
• Explain how waves change speed and direction at boundaries+ Show more

Learning Objectives

• Analyze mechanisms of energy transfer within Earth systems, including radiative balance, conduction, convection, and latent heat processes.
• Relate energy pathways to weather patterns, ocean currents, and tectonic heat flow.
• Use quantitative reasoning with energy budgets, flux diagrams, and block models to connect microscale processes to macroscopic phenomena.+ Show more

Learning Objectives

• Describe the processes involved in erosion and sediment transport.
• Identify major erosion mechanisms such as river incision, glacial plucking, and coastal erosion.
• Explain how erosion rates respond to environmental factors like climate, vegetation, and tectonics.+ Show more

Learning Objectives

• Understand the principles of stratigraphy and how layered rocks record Earth's past.
• Identify how different evidence types, such as radiometric dating and paleomagnetic data, contribute to reconstructing geological history.
• Interpret the significance of structural relationships and fossil records in understanding tectonic events.+ Show more

Learning Objectives

• Understand and describe heat transfer during chemical reactions
• Identify exothermic and endothermic processes
• Comprehend calorimetry methods for measuring enthalpy changes+ Show more

Learning Objectives

• Understand the principles of research ethics and responsible conduct.
• Identify potential conflicts of interest and appropriate data management practices.
• Explain authorship conventions and the protections for human and animal subjects.+ Show more

Learning Objectives

• Understand the concept of heat transfer in chemical reactions.
• Identify exothermic and endothermic reactions based on heat flow.
• Learn how to use calorimetry and specific heat to relate temperature change to energy.+ Show more

Learning Objectives

• Understand the concepts of gene flow and genetic drift
• Identify how gene flow affects populations
• Recognize the effects of genetic drift+ Show more

Learning Objectives

• Explain how electromagnetic (EM) signals propagate using coupled electric and magnetic fields.
• Relate frequency and wavelength to signal behavior during transmission and across boundaries.
• Describe how attenuation and dispersion affect signal strength and shape over distance.+ Show more

Learning Objectives

• Explain the concept of genetic drift and how chance influences allele frequencies in small populations.
• Identify the effects of bottlenecks and founder events on genetic diversity.
• Analyze how genetic drift can lead to fixation of alleles regardless of their selective advantage.+ Show more

Learning Objectives

• Understand the concept of energy transfer and heat flow in chemical reactions.
• Differentiate between exothermic and endothermic processes.
• Relate temperature changes to energy changes using calorimetric principles.+ Show more

Learning Objectives

• Understand and apply statistical concepts such as confidence intervals and hypothesis testing in environmental and public health contexts.
• Evaluate measurement errors and propagate uncertainties in data analysis.
• Interpret model validation results to make justified decisions under uncertainty.

Learning Objectives

• Understand the concept of work in physics
• Explore various forms of energy, including kinetic and potential energy
• Learn the work–energy theorem and energy conservation laws+ Show more

Learning Objectives

• Explain how model validation and scenario forecasting use quantitative evidence from data and residual analysis.
• Use uncertainty quantification (e.g., confidence bounds) to communicate how trustworthy model predictions are.
• Construct evidence-based scientific arguments about model adequacy, limitations, and possible sources of discrepancy.

Learning Objectives

• Explain the process of sea-floor spreading at mid-ocean ridges.
• Describe how magnetic stripes record Earth's magnetic field history.
• Analyze data from magnetic anomalies and radiometric ages to understand seafloor formation.+ Show more

Learning Objectives

• Understand the principles of VSEPR theory and hybridization in predicting molecular shapes.
• Identify how molecular geometry influences physical and chemical properties of molecules.
• Analyze molecular structures to determine bond angles, polarity, and steric effects.+ Show more

Learning Objectives

• Apply the first and second laws of thermodynamics to interpret internal energy, enthalpy, entropy, and Gibbs free energy in chemical systems.
• Predict reaction spontaneity and the direction of approach to equilibrium using temperature-dependent free energy changes.
• Connect free-energy changes to equilibrium constants and interpret how coupling reactions can conserve energy.

Learning Objectives

• Analyze how mineral, groundwater, and hydrocarbon systems interact with societal demand and extraction technologies.
• Evaluate how ore deposit models, aquifer properties, and basin maturation influence long-term resource supply.
• Use mass balance and trade-off thinking to assess sustainability constraints and environmental impacts.

Learning Objectives

• Understand the concepts of power and energy transfer in electrical circuits.
• Analyze transient behaviors in RC networks including charging and discharging.
• Calculate power dissipation in resistors and power delivered by sources considering internal resistance.+ Show more

Learning Objectives

• Interpret stratigraphic sequences and identify unconformities that represent missing geologic time.
• Use fossil assemblages and radiometric age data together to reconstruct relative and absolute Earth history.
• Explain how diagenesis and metamorphic overprinting modify the rock record and can reset isotopic clocks.+ Show more

Learning Objectives

• Explain how engineered safety choices and standards reduce harm during normal use and extreme events
• Connect sustainability to lifecycle resource use, emissions, and end-of-life handling in technology design
• Evaluate how reliability influences public trust and infrastructure operating costs over years with variable loads

Learning Objectives

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

Learning Objectives

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

Learning Objectives

• Interpret graphs by correctly reading axes, scales, and units to understand what variables represent.
• Use graph features such as slope, intercepts, and curvature to connect visual patterns to scientific claims.
• Distinguish meaningful trends from random scatter and evaluate whether graphs support conclusions fairly.+ Show more

Learning Objectives

• Explain how greenhouse gas concentrations, volcanic aerosols, and solar irradiance changes affect radiative forcing and climate variability.
• Use radiative forcing and simple energy-balance ideas to compare the relative importance of different climate drivers across timescales.
• Describe key feedbacks (ice-albedo and water vapor) and how ocean heat uptake influences observed warming and uncertainty.

Learning Objectives

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

Learning Objectives

• Explain why the total number of atoms of each element is conserved during chemical reactions.
• Use conservation of mass to justify why balanced chemical equations match measured amounts of reactants and products.
• Apply stoichiometric reasoning to interpret relationships between reactants and products.

Learning Objectives

• Identify and describe the three main types of chemical bonds: ionic, covalent, and metallic.
• Explain how atoms share or transfer electrons in different bond types.
• Compare bond energies, electron sharing, and properties of materials based on bond types.+ Show more

Learning Objectives

• Use VSEPR theory to predict electron-domain geometry and molecular shape for common molecules
• Connect hybridization to molecular geometry and bond angles
• Explain how molecular shape and polarity influence physical properties such as boiling point and solubility+ Show more

Learning Objectives

• Explain how different types of DNA mutations can change gene products and biological function.
• Analyze how mutations can be silent, harmful, or beneficial depending on their location and effect on reading frames.
• Evaluate real-world impacts of mutations on crop traits, livestock genetics, and pathogen variation.

Learning Objectives

• Understand how sunlight drives photosynthesis
• Explain the role of decomposers in nutrient recycling
• Describe how carbon cycles between organisms and the environment+ Show more

Learning Objectives

• Apply the law of reflection and Snell’s law to predict light paths at interfaces
• Use ray models to determine image characteristics formed by lenses
• Calculate focal length and interpret how lens shape affects image formation+ Show more

Learning Objectives

• Understand the principles of effective oral scientific presentation
• Identify components of a clear hypothesis
• Learn slide design norms and timing constraints+ Show more

Learning Objectives

• Understand the mechanisms that alter allele frequencies in populations.
• Identify examples of natural selection, genetic drift, gene flow, and mutation.
• Analyze case studies illustrating evolutionary patterns driven by population processes.+ Show more

Learning Objectives

• Explain the evolution of atomic models from Dalton to quantum mechanics.
• Identify the roles of subatomic particles in determining atomic mass and behavior.
• Apply knowledge of isotopes and atomic structure to real-world applications like geological dating and resource exploration.+ Show more

Learning Objectives

• Describe the fundamental properties of waves including wavelength, frequency, amplitude, and phase velocity.
• Explain the principles of superposition, interference, and standing waves in different media.
• Apply mathematical representations and concepts such as sinusoidal functions and phasor reasoning to analyze wave phenomena.+ Show more

Learning Objectives

• Explain how biotechnology can improve agriculture through genetic and breeding strategies that increase crop resilience
• Describe how molecular diagnostic techniques help identify plant and animal pathogens
• Evaluate how bioremediation uses microbes to degrade hydrocarbons while considering ethical and regulatory responsibilities+ Show more

Learning Objectives

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

Learning Objectives

• Explain the key concepts of centripetal acceleration, tangential speed, and radial forces in uniform and non-uniform circular motion.
• Analyze the relationships between angular velocity, period, and centripetal force in rotational systems.
• Apply mathematical formulas to calculate critical speeds and design parameters for safe circular systems.+ Show more

Learning Objectives

• Explain the concept of carrying capacity and its ecological significance.
• Describe how resource limitations influence population growth and stability.
• Analyze the relationship between environmental constraints and population dynamics.+ Show more

Learning Objectives

• Understand different types of community interactions: competition, predation, parasitism, mutualism, and commensalism.
• Explain how energy flows through food webs and the concept of trophic efficiency.
• Analyze examples of community interactions in ecosystems like Alberta's aspen-mycorrhizal associations and wolf-elk-vegetation cascades.+ Show more

Learning Objectives

• Identify different types of ecological interactions such as competition, predation, parasitism, mutualism, and commensalism.
• Understand how energy flows through food webs and the concept of trophic efficiency.
• Analyze examples of community interactions in Alberta ecosystems and their effect on biodiversity and ecosystem stability.+ Show more

Learning Objectives

• Describe the mechanisms of thermohaline and wind-driven ocean circulation.
• Explain the roles of surface gyres, upwelling, and the meridional overturning circulation in heat and nutrient transport.
• Connect oceanic heat capacity and circulation patterns to regional climate modulation and episodic phenomena such as El Niño–Southern Oscillation.+ Show more

Learning Objectives

• Differentiate between scientific theories and scientific laws.
• Understand the roles and characteristics of scientific theories and laws.
• Recognize examples of scientific laws and theories in the natural world.+ Show more

Learning Objectives

• Explain how 3D molecular structure of proteins, nucleic acids, carbohydrates, and lipids relates to function in cells.
• Use physicochemical ideas (bonding, polarity, hydrophobicity, hydrogen bonding) to predict molecular interactions.
• Interpret how bonding patterns and spectroscopic evidence support conclusions about catalysis, binding, and stability.