Grade 12 Science Worksheets

Learning Objectives

• Explain the principles of electromagnetic induction, including Faraday's and Lenz's laws.
• Analyze the effects of changing magnetic flux on induced emf and current.
• Describe practical applications of electromagnetic induction in transformers and generators.+ Show more

Learning Objectives

• Understand the concept of chemical equilibrium and how it characterizes reversible reactions.
• Apply Le Châtelier’s principle to predict how changes in concentration, pressure, and temperature affect equilibrium positions.
• Use equilibrium constants to quantitatively analyze chemical reactions and optimize yields.+ Show more

Learning Objectives

• Understand the concept of natural selection and how it affects populations
• Identify different patterns of selection such as directional, stabilizing, and disruptive
• Recognize examples of natural selection in real-world scenarios like antibiotic resistance

Learning Objectives

• Understand the concept of phylogenetic trees and their role in evolutionary biology.
• Identify methods used to construct and analyze phylogenetic trees, including morphological and molecular data.
• Explain how molecular clocks estimate divergence times among species.+ Show more

Learning Objectives

• Explain laminar vs. turbulent flow and how it affects mixing and momentum transfer in natural systems
• Apply continuity and Bernoulli’s relationships to predict how pressure and velocity change in fluids
• Use dimensional analysis and scaling ideas (e.g., Reynolds number) to connect lab observations to field conditions

Learning Objectives

• Understand the process of nuclear fission and how it releases energy.
• Identify key components involved in nuclear chain reactions.
• Describe safety measures relevant to nuclear fuel handling and reactor operation.+ Show more

Learning Objectives

• Explain how phylogenetic trees use shared derived characters to infer evolutionary relationships.
• Distinguish homologous traits from analogous similarities caused by convergent evolution.
• Describe how molecular clock models estimate divergence times and how reliability is assessed statistically.

Learning Objectives

• Explain how natural selection changes allele frequencies across generations
• Identify scientific evidence that supports natural selection using real-world examples
• Use data patterns (time, populations, environments) to infer differential fitness+ Show more

Learning Objectives

• Define natural selection and explain its role in evolution.
• Identify different patterns of natural selection: directional, stabilizing, and disruptive.
• Recognize examples of natural selection in real-world scenarios.+ Show more

Learning Objectives

• Describe contaminant movement through dissolution and sorption
• Explain volatilization and biodegradation in contaminant fate
• Compare kinetic and equilibrium processes affecting distribution+ Show more

Learning Objectives

• Understand the principles of radiometric dating and how decay rates are used to determine the ages of rocks and minerals.
• Identify different radiometric methods such as uranium–lead, potassium–argon, and carbon-14 dating, and their applications.
• Explain the concepts of half-life, closure temperature, and isotope systematics in dating techniques.+ Show more

Learning Objectives

• Understand natural and human factors influencing Earth's climate over different timescales.
• Identify how greenhouse gases and aerosols affect the greenhouse effect and climate.
• Explain the role of volcanic eruptions and orbital variations in climate change.+ Show more

Learning Objectives

• Explain the principles of laminar and turbulent flow in fluids.
• Apply the continuity equation to real-world scenarios like river flow and groundwater movement.
• Describe Bernoulli's principle and its relevance to atmospheric patterns and flood risks.+ Show more

Learning Objectives

• Explain how births, deaths, immigration, and emigration affect population size over time
• Compare exponential vs. logistic growth models and interpret the role of carrying capacity
• Evaluate how density-dependent and density-independent factors influence population change+ Show more

Learning Objectives

• Understand different forms of energy and their properties.
• Explain the principles of energy conservation and transformation.
• Analyze the efficiency of various energy systems, including fossil fuels and renewable sources.+ Show more

Learning Objectives

• Explain how stratigraphy, radiometric ages, paleomagnetism, structural relationships, and fossils work together in integrated reconstruction.
• Use multiple evidence types to build a chronological sequence of deformation, magmatism, and sedimentation.
• Justify how integrated reconstructions constrain plate-motion and paleoenvironments.

Learning Objectives

• Understand the role of mathematical and computational models in environmental forecasting.
• Identify key concepts such as parameterization, calibration, validation, and sensitivity analysis.
• Recognize the limitations and assumptions inherent in simplified versus complex models.+ Show more

Learning Objectives

• Understand the principles of electron-pair repulsion and their role in determining molecular shapes.
• Apply VSEPR models to predict bond angles and molecular geometries in complex molecules.
• Analyze the influence of hybridization on molecular structure and reactivity patterns.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the concept of plate tectonics and how it explains the movement of Earth's lithospheric plates.
• Identify the types of plate boundaries and their characteristic geological features.
• Explain processes such as sea-floor spreading, subduction zones, and fault systems.+ Show more

Learning Objectives

• Describe genetic strategies that improve crop resilience
• Identify how genetic markers support pathogen diagnosis
• Explain microbial degradation of hydrocarbons in bioremediation+ Show more

Learning Objectives

• Explain how natural selection, genetic drift, and gene flow can change allele frequencies in populations
• Compare the conditions under which genetic drift and gene flow are most likely to produce evolutionary change
• Use evolutionary mechanisms to interpret patterns of diversification and relatedness among populations+ Show more

Learning Objectives

• Understand the importance of evidence in supporting scientific claims
• Identify various types of observations and data used in constructing explanations
• Learn how to evaluate and address alternative explanations+ Show more

Learning Objectives

• Describe the concept of a gravitational field around a mass.
• Explain how gravitational potential energy is defined in two-body systems.
• Analyze how field strength varies with distance from celestial bodies.+ Show more

Learning Objectives

• Explain how geographic isolation and ecological divergence can reduce or stop gene flow between populations.
• Describe how chromosomal changes and reproductive barriers can lead to speciation.
• Evaluate how hybridization and adaptive radiation can produce new lineages.

Learning Objectives

• Distinguish major inheritance patterns, including Mendelian segregation, sex linkage, incomplete dominance, and polygenic traits.
• Explain how recombination frequency relates to the relative positions of genes on chromosomes.
• Interpret pedigrees to infer inheritance modes and determine likely genotypes or carrier status.

Learning Objectives

• Understand the principles of laminar and turbulent flow in natural and engineered systems.
• Apply Bernoulli's equation and the continuity equation to real-world fluid flow scenarios.
• Analyze how fluid properties influence sediment transport, flood risk, and pollutant dispersion.+ Show more

Learning Objectives

• Explain the processes involved in mountain building and orogeny.
• Identify different tectonic plate interactions that result in mountain ranges.
• Describe the geological evidence recorded in mountain ranges for past tectonic activity.+ Show more

Learning Objectives

• Understand the processes of transcription and translation in gene expression.
• Identify regulatory mechanisms such as promoters, enhancers, and epigenetic modifications.
• Explain the significance of post-transcriptional processes like alternative splicing and RNA interference.+ Show more

Learning Objectives

• Differentiate ionic, covalent, and metallic bonding using electron behavior.
• Predict macroscopic properties (melting point, conductivity, solubility) from bond type.
• Explain how bond energies relate to stability and observable physical behavior.

Learning Objectives

• Explain semi-conservative replication using parental DNA strands as templates
• Identify the roles of helicase, primase, and DNA polymerase
• Describe how proofreading and repair reduce replication errors+ Show more

Learning Objectives

• Identify basic molecular geometries based on electron pair arrangements
• Describe how VSEPR theory explains molecular shapes
• Understand the influence of bond angles and symmetry on molecular properties+ Show more

Learning Objectives

• Understand the analysis of AC circuits using phasor representation
• Calculate impedance, reactance, and power characteristics in resistive, inductive, and capacitive networks
• Describe resonance conditions and their application in power distribution+ Show more

Learning Objectives

• Explain constructive and destructive interference using superposition and phase relationships.
• Describe coherence requirements and how they affect observable interference patterns.
• Apply interference and diffraction ideas to predict patterns in single- and double-slit setups.+ Show more

Learning Objectives

• Compare surface processes and internal structures of terrestrial and icy planetary bodies.
• Identify geologic indicators such as cratering, volcanic features, and tectonic signatures.
• Understand how remote sensing, sample analysis, and in situ measurements inform planetary history.+ Show more

Learning Objectives

• Explain how entropy relates to the dispersal of energy and the number of accessible microstates.
• Use Gibbs free energy to predict spontaneity under constant temperature and pressure.
• Connect changes in Gibbs free energy to equilibrium constants and chemical composition at equilibrium.

Learning Objectives

• Identify Earth’s internal layers (crust, mantle, outer core, inner core) and describe key physical properties.
• Explain how seismic wave behavior and rock density/mineral phases provide evidence for Earth’s layer boundaries.
• Interpret seismic and geological information to infer past tectonic activity and long-term plate motions.

Learning Objectives

• Identify key performance metrics used in scientific design and optimization.
• Understand how different performance criteria influence engineering decisions.
• Analyze the impact of optimizing multiple metrics simultaneously.+ Show more

Learning Objectives

• Explain how qualitative and quantitative models represent relationships suggested by data
• Evaluate whether a model’s predictions align with observed measurements within expected variation
• Identify how model assumptions affect the validity of graphical and functional relationships

Learning Objectives

• Explain the principles of energy transfer and dissipation in oscillatory systems.
• Define simple harmonic motion, resonance, and damping effects.
• Describe how non-conservative forces impact energy flow and amplitude in oscillators.+ Show more

Learning Objectives

• Understand how to use qualitative models to represent data relationships.
• Identify different types of models such as proportional, linear, and functional.
• Interpret graphical representations to analyze data trends.+ Show more

Learning Objectives

• Understand the principles of simple harmonic motion, including sinusoidal models, natural frequency, and phase.
• Analyze the energy exchange between kinetic and potential forms in oscillatory systems.
• Apply quantitative relationships linking amplitude, period, and damping to resonance phenomena.+ Show more

Learning Objectives

• Explain the pathway from DNA transcription to protein translation
• Describe transcriptional regulation and its effects on cell function
• Describe post-transcriptional regulation and its effects on cell function+ Show more

Learning Objectives

• Define the mole as a counting unit in chemistry.
• Understand molar mass and its importance in chemical calculations.
• Interpret and balance chemical equations to find relationships between reactants and products.+ Show more

Learning Objectives

• Explain how electronegativity differences create bond polarity and partial charges.
• Predict whether a molecule is polar or nonpolar using molecular geometry and dipole cancellation.
• Relate polarity to intermolecular forces and macroscopic properties such as solubility, miscibility, and boiling point.+ Show more

Learning Objectives

• Understand the components and functions of gene regulatory networks in development and environmental responses.
• Identify how epigenetic modifications influence gene expression patterns.
• Analyze examples of regulatory networks in prairie grasses and cattle immune responses.+ Show more

Learning Objectives

• Apply Newton’s three laws to predict motion under multiple forces
• Calculate net force from free-body diagram information
• Calculate acceleration using net force information+ Show more

Learning Objectives

• Understand the concept of energy stored in fields such as electrostatic and magnetic fields.
• Explain how capacitors and inductors store and release energy in electrical circuits.
• Describe the distribution of field energy in space and its relation to work and energy transfer.+ Show more