Grade 12 Science Worksheets

Learning Objectives

• Explain how stratigraphy, radiometric ages, paleomagnetism, structural relationships, and fossils are combined to reconstruct orogenic and basin histories.
• Use multiple lines of geologic evidence to build a coherent temporal sequence of deformation, magmatism, and sedimentation.
• Evaluate plate-motion models by checking consistency between paleomagnetic rotations, structural timing, and fossil-constrained environments.

Learning Objectives

• Explain how magnetic forces on moving charges create torque in electric motors and relate this to energy conversion.
• Describe how electromagnetic induction and the Hall effect are used for sensing and field measurement.
• Connect magnetic field gradients and magnetic resonance imaging (MRI) principles to how images are formed.+ Show more

Learning Objectives

• Explain how mutation, natural selection, genetic drift, and gene flow change allele frequencies over time.
• Use phenotype and environmental pressure to predict how natural selection affects populations.
• Describe why genetic drift has a stronger impact in small populations.+ Show more

Learning Objectives

• Explain how detachment, transport, and deposition work together in erosion dynamics.
• Compare how water, ice, wind, and gravity drive landscape change.
• Analyze how climate, vegetation, and tectonic uplift influence erosion rates and sediment records.

Learning Objectives

• Understand the processes involved in erosion and sediment transport.
• Identify the factors influencing erosion rates and landscapes.
• Connect erosion mechanisms to Earth's systems and environmental impacts.+ Show more

Learning Objectives

• Understand the basic concepts of simple harmonic motion
• Learn how energy is transferred and dissipated in oscillations
• Identify the effects of damping and resonance on energy flow+ Show more

Learning Objectives

• Understand how biological, chemical, and physical processes interact in environmental phenomena.
• Apply cross-disciplinary reasoning to explain complex regional environmental patterns.
• Analyze case studies involving nutrient cycles, chemical speciation, and physical transport in landscapes.+ Show more

Learning Objectives

• Explain the principle of chemical equilibrium in reversible reactions.
• Describe how reaction conditions influence the position of equilibrium.
• Relate the magnitude of the equilibrium constant to the favored side of a reaction.+ Show more

Learning Objectives

• Understand various inheritance patterns including Mendelian, linkage, sex linkage, incomplete dominance, and polygenic traits.
• Interpret pedigree diagrams and analyze genetic transmission across generations.
• Learn how recombination frequency relates to chromosomal distance and trait assortment.+ Show more

Learning Objectives

• Understand the construction and interpretation of phylogenetic trees.
• Identify shared derived traits and their significance in evolutionary relationships.
• Explain how molecular data and morphological traits are integrated in phylogenetics.+ Show more

Learning Objectives

• Understand the concept of genetic drift and how it affects allele frequencies in small populations.
• Identify the causes and effects of bottleneck and founder events on genetic diversity.
• Compare the roles of genetic drift and natural selection in evolution.+ Show more

Learning Objectives

• Understand the key molecular biology techniques used in research and biotechnology.
• Describe how PCR, gel electrophoresis, and sequencing are performed and their applications.
• Explain the roles of recombinant plasmids, viral vectors, and CRISPR-Cas systems in genetic engineering.+ Show more

Learning Objectives

• Understand the concept of natural selection and how environmental pressures influence evolution.
• Identify patterns of selection such as directional, stabilizing, and disruptive selection.
• Recognize examples of natural selection, including antibiotic resistance, and their impact on populations.+ Show more

Learning Objectives

• Describe trophic relationships in ecosystems and how energy flows between levels.
• Explain the roles of keystone species and trophic cascades in community structure.
• Understand biogeochemical cycles and their impact on nutrient availability and ecosystem productivity.+ Show more

Learning Objectives

• Understand the principles of allele frequency changes under various evolutionary forces.
• Recognize the effects of gene flow, mutation, migration, and genetic drift on populations.
• Analyze how barriers and migration influence genetic structure and local adaptation.+ Show more

Learning Objectives

• Understand the fundamental mechanisms that drive evolution, including natural selection, genetic drift, gene flow, and mutation.
• Identify and interpret different types of evidence that support evolutionary theory such as fossils, comparative anatomy, biogeography, and molecular data.
• Explain how evolution leads to biodiversity and adaptation in various environments.

Learning Objectives

• Understand the components and arrangement of atomic models including protons, neutrons, and electrons.
• Explain how electron configurations determine valence electrons and influence chemical properties.
• Identify concepts such as energy levels, orbitals, and quantum numbers involved in atomic structure.+ Show more

Learning Objectives

• Describe the evolution of atomic models from Dalton to quantum mechanical theories.
• Explain how subatomic particles influence atomic mass and behavior.
• Identify real-world applications of atomic models, such as isotope use in geological dating and resource extraction.+ Show more

Learning Objectives

• Compare ionic, covalent, and metallic bonding using electron-transfer, electron-sharing, and delocalization ideas
• Use electronegativity differences to predict bond polarity and relate bond order/bond energy to bond length and strength
• Explain how lattice energy affects ionic solid properties and connect bonding models to electron structure

Learning Objectives

• Explain the semi-conservative mechanism of DNA replication.
• Describe the roles of enzymes such as helicase, primase, and DNA polymerase in replication.
• Understand how proofreading and repair mechanisms maintain replication fidelity.+ Show more

Learning Objectives

• Explain key processes involved in the formation and evolution of the Solar System.
• Identify and describe the main theories of planetary formation.
• Analyze observational data used in studying planetary compositions and atmospheres.+ Show more

Learning Objectives

• Understand the fundamental principles of Newton's three laws of motion.
• Apply Newtonian concepts to analyze forces in real-world mechanical systems.
• Calculate net force and acceleration in systems involving frictional and drag forces.+ Show more

Learning Objectives

• Explain the principle of wave superposition and how waves interact.
• Differentiate between constructive and destructive interference.
• Identify real-world examples of wave superposition phenomena.+ Show more

Learning Objectives

• Explain the fundamental concepts of nuclear fission and fusion.
• Analyze the principles of chain reactions and critical mass in reactor physics.
• Evaluate applications of nuclear technology in medicine and energy systems.+ Show more

Learning Objectives

• Describe the components and importance of biogeochemical cycles.
• Explain how elements like carbon, nitrogen, and phosphorus move through Earth's systems.
• Analyze human impacts on biogeochemical cycles and their long-term effects.+ Show more

Learning Objectives

• Understand the process of sea-floor spreading and its evidence through magnetic stripes.
• Interpret magnetic anomaly patterns in relation to geological features.
• Explain how radiometric dating contributes to understanding seafloor age and plate movement.+ Show more

Learning Objectives

• Identify the limiting reagent from a balanced chemical equation and given reactant quantities.
• Calculate theoretical yield and percent yield using stoichiometric ratios.
• Explain how excess reagents and incomplete conversion affect product formation in real processes.

Learning Objectives

• Understand the concept of Hess cycles and their application in thermochemistry.
• Learn how to construct thermochemical cycles to determine reaction enthalpies.
• Recognize that enthalpy is a state function and how this property simplifies energy calculations.+ Show more

Learning Objectives

• Explain how measures of central tendency and spread describe data variability
• Interpret confidence intervals and uncertainty statements appropriately
• Use error bars, residuals, and dispersion concepts to evaluate evidence strength

Learning Objectives

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

Learning Objectives

• Explain how sea-floor spreading at mid-ocean ridges creates new oceanic crust.
• Describe how magnetic stripes form and why they appear symmetrically on both sides of a ridge.
• Interpret relationships among magnetic anomaly patterns, radiometric ages, and plate motion.

Learning Objectives

• Explain how signalling pathways, transcription factors, and noncoding RNAs work together to regulate gene expression.
• Describe how epigenetic marks (DNA methylation and histone modifications) can change chromatin accessibility and long-term gene expression.
• Apply regulatory-network concepts to environmental stress and immune regulation in real organisms.

Learning Objectives

• Understand the mechanisms of thermohaline and wind-driven ocean circulation.
• Explain how oceanic heat transport influences regional climate and phenomena like El Niño.
• Describe salinity, density stratification, and mixing processes in relation to carbon sequestration.+ Show more

Learning Objectives

• Identify and describe ionic bonding and electron transfer
• Understand how electronegativity differences influence bond polarity
• Relate bond order and bond energy to bond length and strength+ Show more

Learning Objectives

• Identify patterns of wind-driven surface circulation in the oceans.
• Understand the mechanisms of surface gyres and their effects on heat distribution.
• Explain how surface currents influence regional climates.+ Show more

Learning Objectives

• Identify key components involved in gene regulation
• Understand how signaling pathways influence gene expression
• Describe the role of epigenetic modifications in gene activity+ Show more

Learning Objectives

• Describe the double helix structure of DNA and the role of nucleotide monomers.
• Explain how phosphodiester backbones and hydrogen bonds contribute to DNA stability.
• Identify examples of genetic material in local Alberta species and discuss their molecular architecture.+ Show more

Learning Objectives

• Describe different types of community interactions such as competition, predation, parasitism, mutualism, and commensalism.
• Explain how energy flows through food webs and how trophic efficiency influences ecosystem biomass distribution.
• Analyze real-world examples from Alberta ecosystems to understand the impact of biotic interactions on community structure and ecosystem resilience.+ Show more

Learning Objectives

• Explain the key ecosystem processes including primary productivity, decomposition, and nutrient cycling.
• Describe biogeochemical cycles of carbon, nitrogen, and phosphorus.
• Apply Alberta-specific ecosystem examples to real-world land-use and climate change scenarios.+ Show more

Learning Objectives

• Describe the key factors influencing population size and structure over time.
• Apply models such as exponential and logistic growth to real-world scenarios.
• Differentiate between density-dependent and density-independent factors affecting populations.+ Show more

Learning Objectives

• Understand the different mechanisms that lead to speciation such as allopatric, sympatric, and peripatric modes.
• Explain how geographic, ecological, and genetic factors contribute to reproductive isolation and diversification.
• Analyze real-world examples of speciation in Alberta's alpine plants and insects.+ Show more

Learning Objectives

• Analyze key ethical issues related to biotechnology applications such as cloning and genome editing.
• Evaluate legal and social considerations surrounding biotechnology deployment in Alberta.
• Identify regulatory frameworks and community engagement processes shaping biotechnology innovations.

Learning Objectives

• Explain how molecular genetics, gene regulation, and evolutionary mechanisms influence biological outcomes.
• Analyze real-world examples, such as herbicide resistance in weeds, to understand mutation and selection.
• Link DNA variation to expression patterns, fitness consequences, and ecosystem effects for holistic biological assessment.+ Show more

Learning Objectives

• Identify various lines of evidence supporting the theory of evolution.
• Explain how fossil records, morphology, biogeography, and molecular data inform evolutionary relationships.
• Recognize Alberta exemplars, such as Dinosaur Provincial Park fossils, demonstrating deep-time biological change.+ Show more

Learning Objectives

• Explain the concepts of oxidation and reduction and their role in redox reactions.
• Identify oxidizing and reducing agents in various chemical reactions.
• Track electron transfer using oxidation states in balancing redox equations.+ Show more

Learning Objectives

• Understand the role of limiting reagents in chemical reactions.
• Calculate theoretical yields and percent yields based on stoichiometric ratios.
• Identify excess reagents and analyze the impact on reaction efficiency.+ Show more

Learning Objectives

• Explain the different types of chemical bonds: ionic, covalent, and metallic.
• Describe how atoms share or transfer electrons in each bond type.
• Identify the properties associated with each bond type, such as melting point and conductivity.+ Show more

Learning Objectives

• Explain the concept of wave-particle duality in quantum mechanics.
• Describe how matter exhibits wave properties such as wavelength and interference.
• Relate de Broglie wavelengths to the behavior of particles and atomic phenomena.+ Show more