Grade 12 Science Worksheets

Learning Objectives

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

Learning Objectives

• Understand how gene mutations originate and their role in evolutionary adaptation.
• Analyze the mechanisms of gene regulation and their influence on organismal traits.
• Explore evolutionary mechanisms such as mutation, selection, gene flow, and their ecological impacts.+ Show more

Learning Objectives

• Understand trophic relationships and energy transfer within ecosystems.
• Identify the roles of keystone species and their impact on community structure.
• Explain how trophic cascades influence ecosystem dynamics.+ Show more

Learning Objectives

• Describe the processes involved in biogeochemical cycles such as carbon, nitrogen, and phosphorus.
• Explain how weathering, biological activity, and human actions influence these cycles.
• Analyze the connections between biosphere productivity, ocean chemistry, atmospheric composition, and sediment storage.+ Show more

Learning Objectives

• Understand the principles of wind energy resource assessment
• Identify key technologies used in wind power generation
• Analyze geographic factors affecting wind energy potential+ Show more

Learning Objectives

• Explain how vectors, restriction enzymes, and DNA ligase work together to build recombinant DNA constructs
• Identify key steps in plasmid cloning, restriction mapping, and genome editing for targeted genetic modification
• Analyze how recombinant DNA methods support canola trait development and molecular diagnostics while considering ethics and regulation

Learning Objectives

• Understand how seismic patterns reveal tectonic structures and stress regimes.
• Identify the relationship between earthquake depths, focal mechanisms, and tectonic boundaries.
• Learn how seismic imaging and geological mapping aid in reconstructing tectonic movements.+ Show more

Learning Objectives

• Explain how electric charge, electric current, and electric fields relate to magnetic fields using core electromagnetic principles.
• Describe how time-varying electric and magnetic fields produce electromagnetic waves and how those waves travel through space.
• Connect electromagnetic waves across the spectrum to real-world technologies such as antennas and wireless communication.

Learning Objectives

• Understand the fundamental principles linking electric charges, currents, electric and magnetic fields.
• Explain how time-varying fields produce electromagnetic waves.
• Identify real-world applications of electromagnetic principles such as antennas and circuits.+ Show more

Learning Objectives

• Explain how natural selection, genetic drift, and gene flow can change allele frequencies over time
• Distinguish the effects of drift versus gene flow on population genetic variation
• Use mechanisms to interpret patterns of relatedness and diversification among populations

Learning Objectives

• Explain how mutations, recombination, and sexual reproduction generate genetic variation within populations
• Describe how natural selection and differences in survival/reproduction change allele frequencies over time
• Analyze how genetic variation provides raw material for evolutionary change

Learning Objectives

• Explain how mutations, recombination, and chromosomal alterations create genetic variation that can be inherited.
• Differentiate point mutations, insertions, deletions, and structural changes by their effects on alleles and proteins.
• Use Mendelian and polygenic inheritance ideas to predict how traits can vary across generations.

Learning Objectives

• Understand the fundamental concepts of reaction rate and collision theory.
• Describe how molecules interact and how factors influence the speed of reactions.
• Familiarize with the concepts of activation energy and rate laws in kinetics.+ Show more

Learning Objectives

• Explain the sources and mechanisms of genetic variation such as mutations, recombination, and chromosomal alterations.
• Differentiate between Mendelian and polygenic inheritance patterns and their effects on phenotypic variation.
• Describe molecular processes like DNA replication errors and recombination rates that influence heritable variation.+ Show more

Learning Objectives

• Explain how predation, competition, mutualism, and parasitism influence population dynamics within ecosystems.
• Describe how energy flows through trophic levels and how interactions form food webs.
• Predict how changes in one population can cascade to affect other species and community structure.

Learning Objectives

• Understand the ethical, legal, and social issues related to biotechnology applications.
• Identify key considerations such as biosafety, intellectual property, and ecological risk.
• Analyze regulatory frameworks and public consultation processes affecting biotech deployment.+ Show more

Learning Objectives

• Explain how constructive and destructive interference arise from phase differences and superposition.
• Describe the role of coherence and path difference in producing stable interference patterns.
• Relate wavelength and aperture size to diffraction effects and resolving power in imaging/spectroscopy.+ Show more

Learning Objectives

• Explain the principles of wave interference, including constructive and destructive patterns.
• Describe how coherence and phase relationships affect interference phenomena.
• Identify patterns produced in single- and double-slit diffraction and relate them to wavelength and aperture size.+ Show more

Learning Objectives

• Explain the processes of transcription and translation in gene expression.
• Describe how regulatory elements like promoters, enhancers, and transcription factors influence gene expression.
• Identify the role of epigenetic modifications in controlling gene activity.+ Show more

Learning Objectives

• Understand the mechanisms driving lithospheric dynamics and surface geology.
• Identify the types of plate boundaries and their geological features.
• Describe the evidentiary methods used to study plate motions and Earth's history.+ Show more

Learning Objectives

• Identify how material properties map to engineering functional needs and failure modes in energy systems.
• Evaluate trade-offs among aluminum, steel, and polymer composites using strength, toughness, corrosion resistance, thermal conductivity, and environmental durability.
• Apply reasoning about fatigue, thermal cycling, moisture/chemical degradation, and maintenance risk to material selection decisions.

Learning Objectives

• Explain the principles of wave interference, including constructive and destructive patterns.
• Describe the conditions for coherence and how phase relationships influence interference.
• Analyze diffraction patterns from single and double slits and their dependence on wavelength and aperture size.+ Show more

Learning Objectives

• Explain how mathematical and computational models support interpretation and prediction in Earth systems
• Identify key steps in building, calibrating, validating, and refining models using parameters and boundary conditions
• Evaluate how assumptions, simplifications, and uncertainty affect model predictions+ Show more

Learning Objectives

• Explain the principles of constructive and destructive interference of waves.
• Describe the conditions required for wave coherence.
• Analyze how diffraction patterns are influenced by wavelength and aperture size.+ Show more

Learning Objectives

• Use Coulomb’s law to determine the magnitude and direction of the electric force between two point charges.
• Explain the inverse-square dependence of electric force and relate it to how electric fields are mapped in space.
• Apply superposition to find the net electric field or net force from multiple charge sources.

Learning Objectives

• Understand different types of community interactions such as competition, predation, parasitism, mutualism, and commensalism.
• Explain how energy flow and trophic relationships shape ecosystems.
• Analyze examples of community interactions in Alberta ecosystems and their effects on biodiversity and stability.+ Show more

Learning Objectives

• Understand the various evidence types used in integrated geological reconstruction.
• Analyze how stratigraphy, radiometric data, paleomagnetic records, structural relationships, and fossils are synthesized to interpret Earth's history.
• Evaluate the significance of multiple evidence correlation in constraining tectonic and paleoenvironments.+ Show more

Learning Objectives

• Explain Faraday’s law and Lenz’s law in terms of changing magnetic flux and the direction of induced emf or current.
• Use quantitative relationships to compare induced emf for different rates of flux change and transformer configurations.
• Apply electromagnetic induction concepts to real-world power systems, including generators, transformers, and safety considerations.

Learning Objectives

• Explain how energy transfer and matter cycling connect the atmosphere, hydrosphere, lithosphere, and cryosphere.
• Interpret radiative balance and albedo effects to predict how changes in Earth’s surface alter climate.
• Analyze hydrologic cycle processes and ocean–atmosphere coupling as mechanisms that drive climate variability and steady states.

Learning Objectives

• Understand how to calculate reaction enthalpies using standard enthalpies of formation and combustion.
• Apply Hess's law to combine enthalpy terms algebraically for complex reactions.
• Estimate reaction enthalpies using bond enthalpies and analyze energetic trends in chemical reactions.

Learning Objectives

• Apply Ohm’s law to solve for voltage, current, and resistance in circuit scenarios
• Analyze series and parallel circuits using Kirchhoff’s rules and equivalent resistance
• Calculate electrical power and energy transfer in resistive elements and interpret efficiency+ Show more

Learning Objectives

• Describe the main types of chemical bonding: ionic, covalent, and metallic.
• Explain how electronegativity differences influence bond polarity.
• Relate bond order and bond energy to bond length and strength.+ Show more

Learning Objectives

• Explain how protons, neutrons, and electrons are arranged in an atom using nucleus and electron cloud ideas.
• Use quantum numbers to describe electron energy levels, subshells, orbitals, and electron configurations.
• Predict trends in ionization energy and atomic radius using effective nuclear charge and valence electrons.

Learning Objectives

• Explain the processes of transcription and translation in gene expression.
• Identify key regulatory elements like promoters, enhancers, and transcription factors.
• Describe how epigenetic modifications influence gene expression patterns.+ Show more

Learning Objectives

• Understand the components and structure of the atom, including protons, neutrons, and electrons.
• Describe electron configurations, energy levels, and orbitals in atoms.
• Explain how valence electrons affect element reactivity and periodic trends.+ Show more

Learning Objectives

• Use VSEPR electron-domain counting to predict molecular shapes and approximate bond angles
• Connect orbital hybridization (sp, sp2, sp3) to molecular geometry and predicted bond angles
• Evaluate how molecular geometry affects polarity, steric effects, and intermolecular interactions

Learning Objectives

• Understand the concept of energy system efficiency and how it is measured.
• Identify common loss pathways such as heat dissipation in energy systems.
• Explain the role of insulation, surface area, and control systems in improving efficiency.+ Show more

Learning Objectives

• Understand the role of mathematical and computational models in hydrological and climate forecasting.
• Identify key concepts such as sensitivity analysis, boundary conditions, and model limitations.
• Evaluate the assumptions and sources of uncertainty in various modeling approaches.+ Show more

Learning Objectives

• Understand the various types of ecological interactions and their effects on population dynamics.
• Analyze trophic relationships and nutrient cycling within Alberta ecosystems.
• Evaluate how human activities and climate variability influence community structure and ecosystem services.+ Show more

Learning Objectives

• Understand the concept and purpose of phylogenetic trees in evolutionary biology.
• Identify features used to construct phylogenetic trees, including morphological and molecular data.
• Differentiate between homologous and analogous traits in evolutionary analysis.+ Show more

Learning Objectives

• Interpret axes, scales, and units on scientific graphs.
• Identify trend lines, slopes, and intercepts to evaluate data claims.
• Distinguish between meaningful patterns and random scatter in data visuals.+ Show more

Learning Objectives

• Understand how reaction rate is influenced by particle collisions.
• Explain the effect of concentration, temperature, and surface area on collision frequency.
• Describe how microscopic collision statistics determine the rate of product formation.+ Show more

Learning Objectives

• Understand how heritable traits influence evolution through natural selection.
• Identify different types of evidence supporting evolution, such as trait changes over time and geographic variation.
• Analyze population data to interpret evidence of selection acting on heritable variation.+ Show more

Learning Objectives

• Understand how seismic patterns reveal active tectonic structures and stress regimes.
• Identify the relationship between earthquake depth and tectonic boundary types.
• Explain the role of seismic tomography and moment tensors in imaging subsurface features.+ Show more

Learning Objectives

• Explain how dissolution, sorption, volatilization, and biodegradation control chemical fate in soil and water systems
• Use kinetic vs. equilibrium ideas to predict contaminant distribution and long-term persistence
• Apply partitioning concepts to reason about monitoring and remediation strategies

Learning Objectives

• Understand how gravity influences planetary and satellite orbits.
• Interpret observational data related to orbital periods and velocities.
• Explain the relationship between mass, distance, and orbital speed in celestial systems.+ Show more

Learning Objectives

• Understand the concept of photons and their properties.
• Learn about the photoelectric effect and its significance in quantum theory.
• Grasp the relationship E=hf and the roles of work function and threshold frequency.+ Show more

Learning Objectives

• Explain the particle reaction model in terms of collisions, activation energy, bond breaking, and bond forming.
• Connect macroscopic observations (color change, gas formation, temperature change) to microscopic particle changes.
• Use conservation of matter to describe reactions as rearrangements of particles and redistribution of energy.