Grade 12 Science Worksheets

Learning Objectives

• Define torque, moment of inertia, and angular momentum for rigid bodies.
• Develop equations relating net torque to angular acceleration.
• Analyze energy transfer between translational and rotational modes in rolling and compound systems.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the components and function of gene regulatory networks in biological systems.
• Analyze how epigenetic modifications influence gene expression in different environmental contexts.
• Explore real-world example applications in biotechnology related to regulation mechanisms.

Learning Objectives

• Understand the differences between frequentist and Bayesian perspectives on probability.
• Learn how to incorporate prior information and likelihoods to update beliefs in probabilistic models.
• Interpret posterior probabilities and communicate uncertainty effectively.+ Show more

Learning Objectives

• Understand the principles and procedures of assigning electron configurations to atoms.
• Connect quantum numbers to orbital occupancy and periodic trends.
• Identify the orbital filling order and apply Hund's rule in electron arrangements.+ Show more

Learning Objectives

• Understand the concepts of work, energy, and power in mechanical systems.
• Apply the work–energy theorem to solve problems involving force, displacement, and energy transfer.
• Differentiate between conservative and nonconservative forces and their effects on energy conservation.+ Show more

Learning Objectives

• Explain how fossil, comparative anatomy, biogeography, and genetic evidence support common descent and evolutionary change
• Analyze how patterns across different evidence sources strengthen scientific explanations of evolution
• Use vocabulary such as homologous structures, analogous structures, and phylogenetic trees to describe evolutionary relationships

Learning Objectives

• Understand how molecular processes influence cellular energetics and genetic regulation.
• Analyze how models connect different biological scales, from molecules to ecosystems.
• Evaluate the impact of assumptions in coupled models on system predictions.+ Show more

Learning Objectives

• Understand the major components of Earth's systems and their fluxes.
• Interpret energy and mass balance concepts in environmental contexts.
• Differentiate between steady-state and transient responses in system models.+ Show more

Learning Objectives

• Understand the role of models in representing Earth processes across different timescales.
• Recognize the limitations and uncertainties involved in Earth modeling.
• Learn how to interpret outputs from energy-balance, circulation, and landscape evolution models.+ Show more

Learning Objectives

• Understand the vector nature of displacement, velocity, and acceleration in one dimension.
• Interpret position–time and velocity–time graphs to analyze motion.
• Apply symbolic kinematic equations for constant acceleration in various scenarios.+ Show more

Learning Objectives

• Understand the components and criteria for effective integrated modeling in climate and biogeochemical systems.
• Analyze methods for model validation, including cross-validation and uncertainty quantification.
• Evaluate strategies for reconciling discrepancies between models and observations.+ Show more

Learning Objectives

• Understand the principles of pathway control, including enzyme kinetics and allosteric modulation.
• Identify mechanisms of feedback inhibition and hormonal regulation in metabolism.
• Distinguish regulation at transcriptional, translational, and post-translational levels.+ Show more

Learning Objectives

• Understand the role of various scientific tools and instrumentation in data collection and analysis.
• Identify different types of instrumentation such as PCR, DNA sequencing platforms, mass spectrometry, remote sensing satellites, and medical imaging modalities.
• Evaluate the importance of measurement accuracy, calibration, and data analysis algorithms in scientific experiments.+ Show more

Learning Objectives

• Understand the sources and types of uncertainty in scientific measurements and data.
• Learn how to quantify uncertainty using statistical methods such as confidence intervals and hypothesis testing.
• Interpret non-significant results in the context of uncertainty analysis.+ Show more

Learning Objectives

• Identify and describe the main layers of Earth's interior.
• Understand the composition and physical properties of Earth's crust, mantle, outer core, and inner core.
• Interpret seismic evidence to infer the characteristics of Earth's layers.+ Show more

Learning Objectives

• Explain the application of quantitative models such as Hardy–Weinberg equilibrium in studying evolution.
• Analyze how mutation, genetic drift, and recombination contribute to genetic variation.
• Interpret allele frequency trajectories, fitness landscapes, and likelihood-based inference in evolutionary contexts.+ Show more

Learning Objectives

• Explain the concept of genetic drift and its effects on small populations.
• Identify factors such as bottlenecks and founder events that influence genetic diversity.
• Analyze how genetic drift interacts with natural selection in shaping populations.+ Show more

Learning Objectives

• Explain how different types of mutations change genetic information and can affect gene function or regulation.
• Describe how DNA sequence changes can alter proteins and produce phenotypic variation.
• Connect mutation-generated genetic variation to adaptation and evolution under environmental pressure.

Learning Objectives

• Explain the fundamental principles of gravitational dynamics and Keplerian motion.
• Apply conservation laws to analyze orbital trajectories and resonances.
• Quantitatively evaluate escape velocity, orbital energy, and related perturbation effects.+ Show more

Learning Objectives

• Understand the roles of weathering, erosion, transport, and deposition in shaping landscapes.
• Analyze how climate, vegetation, and tectonic activity influence surface change rates.
• Interpret process-response diagrams and sediment budgets to assess landscape evolution.+ Show more

Learning Objectives

• Understand the basic principles of gene segregation during meiosis
• Identify how alleles assort into gametes
• Explain patterns such as dominance and recessiveness in inheritance+ Show more

Learning Objectives

• Understand the principles of relative dating such as superposition, original horizontality, lateral continuity, and cross-cutting relationships.
• Explain how unconformities and fossil assemblages aid in correlating geological strata.
• Construct relative geologic timelines to interpret Earth's history in the absence of absolute ages.+ Show more

Learning Objectives

• Explain the principles behind electron configuration, including Aufbau, Pauli exclusion, and Hund's rules.
• Predict element valence and chemical behavior based on electron configurations.
• Understand how spectroscopic signatures support electron configuration theories in research.+ Show more

Learning Objectives

• Explain how reaction rate depends on collision frequency and effective collisions.
• Connect changes in reactant concentration, temperature, and surface area to microscopic collision statistics.
• Use collision-and-energy ideas to predict how experimental conditions affect product formation rates.

Learning Objectives

• Analyze scientific claims using evidence, warrants, and qualifiers.
• Evaluate the strength of evidence and logical frameworks in argumentation.
• Integrate multiple lines of inquiry to support scientific conclusions.+ Show more

Learning Objectives

• Describe the different types of intermolecular forces: dispersion, dipole–dipole, and hydrogen bonding.
• Explain how intermolecular forces influence macroscopic properties like boiling point, vapor pressure, viscosity, and solubility.
• Analyze the relationship between molecular size, shape, polarity, and the strength of intermolecular forces.+ Show more

Learning Objectives

• Understand key principles of fluid dynamics such as laminar and turbulent flow, and the continuity equation.
• Apply Bernoulli’s principle to explain flow phenomena related to flooding, sediment transport, and pollutant dispersion.
• Use scaling arguments and dimensional analysis to connect laboratory models with real-world environmental and industrial processes.

Learning Objectives

• Understand the concept of the law of conservation of atoms in chemical reactions.
• Identify balanced and unbalanced chemical equations.
• Learn to interpret coefficients in terms of moles and measurable quantities.+ Show more

Learning Objectives

• Understand how to use ICE tables to analyze chemical equilibria.
• Apply algebraic methods to calculate equilibrium concentrations and constants.
• Interpret reaction quotients and compare them to equilibrium constants.+ Show more

Learning Objectives

• Understand how sedimentary deposits record environmental interactions and changes over time.
• Identify different types of sediments and what they reveal about past climates and environments.
• Learn how proxies like isotopic ratios and mineral assemblages help reconstruct Earth's history.+ Show more

Learning Objectives

• Understand the causes of erosion.
• Identify signs and evidence of erosion in the environment.
• Recognize landforms created by erosion and sediment transport.

Learning Objectives

• Understand the principles of galvanic and electrolytic cells.
• Learn how cell potentials are calculated and interpreted.
• Identify the roles of electrodes, salt bridges, and standard reduction potentials.+ Show more

Learning Objectives

• Analyze how variations in effective nuclear charge, electron shielding, and subshell filling produce periodic trends.
• Apply quantitative and graphical comparisons to rationalize trends in ionization energy, electron affinity, and atomic radius.
• Evaluate the implications of periodic patterns for element classification, reactivity, and chemical behavior modeling.

Learning Objectives

• Describe the mechanisms of lithospheric motion and deformation at different plate boundaries.
• Explain how seismicity, volcanic activity, and mantle convection relate to tectonic processes.
• Interpret plate reconstructions, bathymetric data, and earthquake focal mechanisms to understand crustal evolution.+ Show more

Learning Objectives

• Understand how germ theory revolutionized public health practices.
• Identify key historical events that shaped the relationship between science and society.
• Analyze how empirical evidence influences scientific acceptance and societal perceptions.+ Show more

Learning Objectives

• Explain the principles of gravitational dynamics and Keplerian motion governing orbital trajectories.
• Identify how orbital eccentricity, inclination, and semimajor axis influence planetary and satellite systems.
• Apply formulas for escape velocity, orbital energy, and analyze perturbation effects in orbital systems.+ Show more

Learning Objectives

• Explain how Kepler’s laws describe patterns in orbital motion
• Connect gravity to the centripetal acceleration required for orbital paths
• Use Kepler’s third law to interpret how orbital period relates to orbital radius+ Show more

Learning Objectives

• Understand the concept of activation energy and its role in chemical reactions
• Identify activation energy in reaction energy profiles
• Explain how catalysts alter reaction pathways to lower activation energy+ Show more

Learning Objectives

• Understand the structure and organization of lipid bilayers and membrane proteins.
• Explain mechanisms of passive and active transport across cell membranes.
• Analyze the electrochemical gradients and their role in cellular processes.+ Show more

Learning Objectives

• Understand different types of ecological interactions such as predation, competition, and mutualism.
• Identify how habitat changes and invasive species influence community structures.
• Explain trophic relationships and energy transfer within ecosystems.

Learning Objectives

• Describe how mutation, natural selection, genetic drift, and gene flow influence allele frequencies over time.
• Explain how environmental pressures drive phenotypic variation and adaptation.
• Analyze cases such as boreal range shifts and pest selection in Alberta to understand real-world applications of evolution.+ Show more

Learning Objectives

• Describe the mechanisms that lead to speciation, including geographic, ecological, and chromosomal factors.
• Explain how hybridization can result in new lineages and how adaptive radiation contributes to biodiversity.
• Analyze patterns in phylogenetic trees and fossil records to identify speciation events.+ Show more

Learning Objectives

• Understand the vector quantities of displacement, velocity, and acceleration in one-dimensional motion.
• Interpret position–time and velocity–time graphs to analyze motion.
• Apply symbolic kinematic equations for constant acceleration in various physical scenarios.+ Show more

Learning Objectives

• Identify key components of risk assessment and governance frameworks
• Understand hazard identification, exposure assessment, and consequence evaluation
• Recognize the importance of stakeholder involvement and transparency in risk management

Learning Objectives

• Understand the analysis of AC circuits using phasor representation.
• Calculate impedance, reactance, and phase relationships in RLC networks.
• Evaluate power, real and reactive components, and power factor in AC systems.+ Show more

Learning Objectives

• Explain the large-scale atmospheric circulation patterns and their components.
• Connect thermal gradients and the Coriolis effect to pressure systems and weather phenomena.
• Analyze circulation diagrams, pressure maps, and potential vorticity to interpret climate variability.+ Show more

Learning Objectives

• Describe the processes of mitosis and meiosis and their roles in cellular reproduction.
• Explain chromosome segregation, homologous recombination, and mechanisms preventing nondisjunction.
• Identify structural and functional differences between haploid and diploid cells during division.+ Show more