Grade 12 Science Worksheets

Learning Objectives

• Understand the concept of entropy as a measure of energy dispersal and disorder in a system.
• Identify the factors that influence entropy changes during chemical processes.
• Explain Gibbs free energy and how it predicts the spontaneity of reactions.+ 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 electromagnetic induction and Faraday’s law.
• Describe how changing magnetic flux induces an electromotive force in conductors.
• Explain the roles of Lenz’s law and magnetic flux in induced voltage.+ Show more

Learning Objectives

• Explain how signaling pathways and transcription factors coordinate gene expression across time and conditions.
• Describe how epigenetic marks and chromatin accessibility can produce long-term changes in gene expression.
• Analyze the roles of noncoding RNAs in regulatory networks and predict how they may affect phenotypes.+ Show more

Learning Objectives

• Understand the concept of fields as spatial distributions exerting forces.
• Describe gravitational and electric fields as vector fields.
• Explain the significance of field lines and superposition.+ Show more

Learning Objectives

• Explain how London dispersion forces, dipole-dipole interactions, and hydrogen bonding arise between molecules.
• Predict how intermolecular forces affect boiling/melting points, solubility, and surface tension.
• Use molecular properties (polarity, presence of N/O/F–H) to justify which intermolecular force is strongest for a given substance.

Learning Objectives

• Understand the concept of matter-wave duality and how it explains wave and particle behavior.
• Explain the significance of de Broglie wavelengths for particles and their role in diffraction and interference.
• Connect wavefunctions to atomic energy levels, spectral lines, and phenomena such as tunneling.+ Show more

Learning Objectives

• Understand the concept of primary productivity in ecosystems
• Identify factors affecting primary productivity
• Explain the role of plants in energy flow within ecosystems+ Show more

Learning Objectives

• Explain conservation of energy using the idea of energy transfer between a system and its surroundings.
• Use calorimetry relationships to reason about heat gained and heat lost from temperature changes and heat capacities.
• Interpret how physical and chemical processes can both be analyzed with energy accounting for a closed set of objects.

Learning Objectives

• Explain how energy flows one direction through ecosystems while matter cycles through biotic and abiotic components.
• Describe how photosynthesis and cellular respiration move carbon between organisms and the environment.
• Analyze how decomposers return nutrients to soil and water and why nutrient availability affects ecosystem productivity.+ Show more

Learning Objectives

• Analyze complex regional challenges using multi-criteria decision frameworks.
• Synthesize biological, chemical, and physical data to support evidence-based conclusions.
• Apply quantitative reasoning and uncertainty analysis in environmental or resource management scenarios.+ Show more

Learning Objectives

• Understand the fundamental principles linking electric charges, currents, electric fields, and magnetic fields.
• Explain how time-varying electromagnetic fields produce propagating waves.
• Recognize the spectrum of electromagnetic radiation from radio waves to visible light.+ Show more

Learning Objectives

• Describe the nature of fields as spatial distributions that exert forces.
• Differentiate between gravitational and electric fields as vector fields.
• Understand the concept of field lines and superposition of multiple sources.+ Show more

Learning Objectives

• Understand the process of sea-floor spreading and how it creates new oceanic crust.
• Explain how magnetic stripe patterns record Earth's magnetic field history.
• Analyze the evidence supporting seafloor spreading, including magnetic anomalies and radiometric dating.+ Show more

Learning Objectives

• Explain how reaction energy profiles represent pathways, reactants, products, and the highest-energy transition state.
• Describe activation energy as the energy difference between reactants and the transition state configuration.
• Evaluate how catalysts provide alternative pathways with lower activation energy and increased reaction rate.+ Show more

Learning Objectives

• Understand the principles of VSEPR theory to predict molecular shapes
• Identify electron pairs (bonding and lone pairs) around central atoms
• Determine bond angles from electron pair arrangements+ Show more

Learning Objectives

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

Learning Objectives

• Recognize and describe the key features of historical atomic models, including Dalton's billiard ball model, Thomson's plum pudding model, and Rutherford's nuclear model.
• Understand the evolution of atomic theory based on experimental evidence and technological advancements.
• Explain how atomic models influence our comprehension of atomic structure, behavior, and real-world applications such as isotopic dating and uranium deposits.

Learning Objectives

• Define chemical equilibrium and describe its characteristics.
• Understand Le Chatelier’s principle and how it predicts shifts in equilibrium.
• Apply the concept of equilibrium constants to real-world chemical reactions.+ Show more

Learning Objectives

• Define and explain the concept of centripetal force.
• Describe the relationship between tangential speed and radius in circular motion.
• Identify the forces acting on an object moving in a circle.+ Show more

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

• Explain how variation, differential survival, and reproduction can change allele frequencies over generations
• Compare key evolutionary mechanisms (natural selection, genetic drift, gene flow, and mutation) and describe their effects
• Use multiple lines of evidence (fossil record, biogeography, comparative anatomy, and molecular similarity) to support the idea of evolution

Learning Objectives

• Understand the application of molecular markers and genetic metrics in conservation biology.
• Identify key genetic concepts such as heterozygosity, gene flow, and inbreeding.
• Evaluate the importance of genetic diversity for population viability and recovery planning.+ Show more

Learning Objectives

• Understand key principles of environmental monitoring
• Identify important criteria for sampling and sensor placement
• Learn how data management supports trend detection+ Show more

Learning Objectives

• Identify the main components of Earth's atmosphere and their proportions
• Describe how atmospheric pressure varies with altitude
• Explain the significance of thermal structure and temperature gradients+ Show more

Learning Objectives

• Understand the key uses of genomic technology in medicine and conservation.
• Analyze ethical and ecological considerations associated with genomic interventions.
• Evaluate benefits and risks of population-scale sequencing and gene editing.+ Show more

Learning Objectives

• Explain how gravity and motion combine to produce predictable orbital paths
• Use orbital models to relate orbital period, orbital speed, distance, and the mass of the central body
• Interpret how satellites and exoplanets provide evidence for gravitational control of trajectories

Learning Objectives

• Understand the basic concepts of genomic sequencing and its role in modern science.
• Identify key applications of genomics such as personalized medicine and conservation genetics.
• Recognize ethical, ecological, and societal considerations associated with genomic technologies.+ Show more

Learning Objectives

• Understand the concept of reversible reactions and equilibrium states.
• Explain Le Chatelier’s principle and how it predicts the shifts in chemical equilibria.
• Apply equilibrium expressions to real-world chemical processes such as ammonia synthesis and fertilizer production.+ Show more

Learning Objectives

• Explain the processes of transcription and translation in gene expression.
• Identify the roles of promoters, enhancers, transcription factors, and epigenetic modifications in gene regulation.
• Describe how regulatory networks influence tissue-specific and temporal gene expression patterns.+ Show more

Learning Objectives

• Explain semi-conservative DNA replication and how leading and lagging strands are synthesized.
• Describe the roles of helicase, primase, and DNA polymerase during replication.
• Analyze how proofreading and repair mechanisms improve replication fidelity and reduce mutation rates.+ 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 conservation of energy in terms of energy transfer between a system and surroundings during heat processes
• Use temperature change and specific heat capacity concepts to reason about heat gained and heat lost in calorimetry
• Distinguish between energy released and energy absorbed processes and predict the direction of heat flow+ Show more

Learning Objectives

• Understand the basic principles of fluid flow, including laminar and turbulent flow.
• Apply continuity and Bernoulli's principles to real-world fluid scenarios such as river flow and atmospheric patterns.
• Use scaling arguments and dimensional analysis to relate laboratory findings to field-scale processes.

Learning Objectives

• Understand how to construct explanations that connect evidence to reasoning.
• Identify specific observations and data summaries that support claims.
• Analyze how variables and controls justify causal interpretations.+ Show more

Learning Objectives

• Explain the mechanisms that lead to the formation of new species.
• Identify different patterns and evidence of speciation in nature.
• Describe how geographic, ecological, and chromosomal changes contribute to speciation.+ Show more

Learning Objectives

• Distinguish oxidation and reduction and identify oxidizing and reducing agents from electron transfer and oxidation state changes
• Use oxidation numbers to determine whether a species is oxidized or reduced in redox reactions
• Balance simple redox reactions using half-reaction reasoning while conserving atoms and charge

Learning Objectives

• Understand the concept of limiting reagent in chemical reactions.
• Identify the limiting reagent from balanced chemical equations.
• Calculate theoretical and percent yields based on reagent limitations.+ Show more

Learning Objectives

• Distinguish key interspecific interaction types (competition, predation, parasitism, mutualism, commensalism) and predict likely effects on populations.
• Explain how energy flow through food webs and trophic efficiency influence biomass distribution and ecosystem functioning.
• Apply ecological concepts to Alberta examples (aspen–mycorrhizal mutualism and wolf–elk–vegetation cascades) to reason about community resilience and biodiversity.

Learning Objectives

• Understand the concept of chemical equilibrium
• Learn how external stresses affect equilibrium systems
• Identify the effects of pressure changes on reactions+ Show more

Learning Objectives

• Explain the basic principles of plate tectonics and how plates move over the Earth's mantle.
• Identify different types of plate boundaries and their characteristic features.
• Describe geological phenomena such as sea-floor spreading, subduction zones, and fault systems.+ Show more

Learning Objectives

• Understand the processes involved in the formation and structure of the Solar System.
• Recognize the key theories and models explaining planetary origins.
• Relate observational data to theoretical models of planetary diversity.+ Show more

Learning Objectives

• Explain how measures of central tendency and spread describe variability in data
• Interpret confidence statements, error bars, and dispersion measures to evaluate evidence strength
• Distinguish meaningful differences from differences that can be explained by random noise

Learning Objectives

• Understand the process of natural selection and its role in evolution
• Identify other mechanisms such as genetic drift, gene flow, and their effects
• Explain how different mechanisms contribute to genetic variation and species diversity

Learning Objectives

• Understand Coulomb's law and how it describes the electric force between point charges.
• Interpret the inverse-square dependence of electric force on distance.
• Explain the concept of electric field as a spatial map of force per unit charge.+ Show more

Learning Objectives

• Understand Ohm's law and apply it to circuit calculations.
• Differentiate between series and parallel circuits and analyze their properties.
• Apply Kirchhoff's rules to complex circuit analysis.+ Show more

Learning Objectives

• Understand the key characteristics of wave behaviour such as wavelength, frequency, amplitude, and speed.
• Apply quantitative models to predict wave propagation in different contexts.
• Analyze how boundary conditions, dispersion, and wave interactions influence observable phenomena.+ Show more