Grade 12 Science Worksheets

Learning Objectives

• Understand key principles of translating scientific findings into accessible formats for the public.
• Identify strategies to communicate risks accurately without overstating claims.
• Evaluate the use of analogies, plain language, and visuals like infographics in science communication.+ Show more

Learning Objectives

• Define chemical equilibrium and describe its key features.
• Explain how forward and reverse reaction rates become equal at equilibrium.
• Identify factors that influence the position of equilibrium.+ Show more

Learning Objectives

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

Learning Objectives

• Understand energy changes during chemical reactions and how they relate to heat transfer.
• Differentiate between exothermic and endothermic reactions based on enthalpy changes.
• Apply calorimetric concepts and specific heat to interpret temperature change data.+ Show more

Learning Objectives

• Explain the principles and components involved in recombinant DNA techniques.
• Identify and describe key methods such as plasmid cloning, restriction mapping, and genome editing.
• Discuss applications of recombinant DNA in agriculture, diagnostics, and biotechnology.+ Show more

Learning Objectives

• Differentiate between ionic, covalent, and metallic bonding based on electrostatic interactions and lattice energy.
• Apply Lewis structures, formal charge calculations, and VSEPR theory to predict molecular shapes and polarity.
• Relate the type of bonding to macroscopic properties such as melting point, conductivity, and solubility using lattice models and molecular orbital concepts.+ Show more

Learning Objectives

• Interpret proxy records from ice cores, sediments, tree rings, and speleothems to reconstruct past climate changes.
• Understand the indicators and calibration methods used in paleoclimate reconstructions.
• Connect proxy signals to external forcings such as orbital variations and volcanic events.+ Show more

Learning Objectives

• Explain how birth, death, immigration, and emigration change population size and composition over time.
• Distinguish exponential growth from logistic growth and relate both to limiting factors and carrying capacity.
• Identify how density-dependent and density-independent factors influence birth/death rates and population outcomes.

Learning Objectives

• Understand the role of molecular markers and genetic metrics in conservation biology.
• Explain how genetic diversity and inbreeding influence population viability.
• Analyze case studies such as boreal caribou populations and prairie remnants to assess conservation challenges.+ Show more

Learning Objectives

• Explain how allele frequencies are influenced by selection, mutation, migration, and genetic drift.
• Identify the roles of gene flow and barriers in shaping genetic structure.
• Describe the concepts of effective population size and metapopulation dynamics.+ Show more

Learning Objectives

• Understand the key assumptions of the Hardy-Weinberg equilibrium model.
• Calculate expected genotype and allele frequencies using p^2, 2pq, and q^2.
• Interpret deviations from Hardy-Weinberg expectations to infer evolutionary forces.+ Show more

Learning Objectives

• Understand the fundamental molecular techniques used in genetic research and biotechnology.
• Identify the purposes and applications of PCR, gel electrophoresis, sequencing, and gene editing tools.
• Evaluate the ethical considerations associated with advanced genetic manipulation methods.

Learning Objectives

• Understand key techniques in biotechnology such as recombinant DNA, PCR, DNA sequencing, and genome editing.
• Identify diverse applications of biotechnology in medicine, agriculture, and industry.
• Recognize ethical issues associated with biotechnological advancements including privacy and ecological impacts.+ Show more

Learning Objectives

• Understand the concept of genetic drift and its effects on allele frequencies.
• Identify the causes and consequences of bottlenecks and founder events.
• Explain the balance between genetic drift and natural selection in populations.+ Show more

Learning Objectives

• Understand the fundamental concepts of evolution and how populations change over time.
• Identify and explain the mechanisms driving evolutionary change such as natural selection, genetic drift, gene flow, and mutation.
• Recognize the types of evidence used to support evolutionary theory, including fossil records, comparative anatomy, biogeography, and molecular data.+ Show more

Learning Objectives

• Understand the organization of ecosystem interactions through trophic relationships.
• Identify the roles of keystone species and their impact on community structure.
• Explain the concept of energy transfer inefficiency between trophic levels.+ Show more

Learning Objectives

• Understand the mechanisms that generate genetic variation such as mutations and recombination.
• Identify the types of mutations and their impact on alleles and phenotypes.
• Differentiate between Mendelian and polygenic inheritance in the context of genetic variation.+ Show more

Learning Objectives

• Explain the processes of transcription and translation in gene expression.
• Identify factors that regulate gene expression, including promoters, enhancers, and epigenetic modifications.
• Describe post-transcriptional mechanisms that diversify gene output, such as alternative splicing and RNA interference.+ Show more

Learning Objectives

• Understand the key factors that influence changes in population size and structure.
• Identify patterns of population growth, including exponential and logistic models.
• Recognize different types of interactions within ecosystems and their effects on populations.+ Show more

Learning Objectives

• Understand how human resource use alters Earth systems through extraction, land modification, and emissions.
• Evaluate the environmental consequences of mining, hydrocarbon production, and large-scale agriculture.
• Assess trade-offs between economic benefits and long-term system resilience in resource management.+ Show more

Learning Objectives

• Understand the factors influencing reaction rates, including concentration, temperature, and molecular orientation.
• Explain collision theory and the concept of activation energy in chemical reactions.
• Describe rate laws, their experimental determination of reaction order, and the Arrhenius equation.+ Show more

Learning Objectives

• Understand the basic structure of DNA and its components
• Identify the roles of nucleotides and the double helix in genetic material
• Recognize the significance of hydrogen bonds and phosphodiester backbones in DNA stability+ Show more

Learning Objectives

• Understand and interpret p-values, confidence intervals, and effect sizes in statistical inference.
• Apply hypothesis testing techniques to real-world datasets, including dose-response and temperature anomalies.
• Perform residual analysis and regression diagnostics to assess model assumptions.+ Show more

Learning Objectives

• Understand how extraction activities like mining and drilling affect soil, water, and air quality.
• Identify the environmental consequences of land modification and resource production.
• Evaluate the trade-offs between economic benefits and environmental resilience.+ Show more

Learning Objectives

• Understand the key material properties relevant to engineering design.
• Identify how properties like strength, toughness, and corrosion resistance influence material choice.
• Analyze trade-offs between lightweight materials and environmental durability.+ Show more

Learning Objectives

• Understand principles of network design and indicator selection in environmental monitoring.
• Identify factors influencing temporal and spatial resolution in sampling.
• Learn quality assurance practices for long-term environmental data collection.+ Show more

Learning Objectives

• Understand how the atmosphere, oceans, land, and ice interact to influence Earth's climate
• Identify feedback mechanisms within the Earth system
• Analyze the effects of surface interactions and energy redistribution on weather patterns

Learning Objectives

• Understand the concept of policy tradeoffs in environmental decision-making.
• Analyze case studies involving mitigation, adaptation, conservation, and socio-economic objectives.
• Apply cost–benefit reasoning and multi-criteria decision analysis to compare outcomes.+ Show more

Learning Objectives

• Understand how sedimentary deposits record environmental interactions and past climate conditions.
• Identify different types of sediment and what they reveal about transport energy and climate.
• Learn about proxies like isotopic ratios and biomarkers used for reconstructing environmental changes.+ Show more

Learning Objectives

• Understand the principles of laminar and turbulent flow in rivers.
• Apply the continuity equation to different river sections.
• Explain Bernoulli's principle in the context of river and atmospheric flow.+ Show more

Learning Objectives

• Explain how the particle reaction model describes chemical reactions using particle collisions, energy, and bond rearrangement
• Connect observable evidence of reactions (color change, gas formation, temperature change) to microscopic particle changes
• Apply the idea that matter is conserved while particles and energy are redistributed during reactions

Learning Objectives

• Evaluate the sustainability of renewable and nonrenewable resources through lifecycle assessment and carrying-capacity constraints.
• Analyze water budgeting, energy portfolios, and waste handling strategies to understand their ecological and economic impacts.
• Apply trade-off analysis to resource extraction, reclamation, and urban water supply systems for sustainable decision-making.+ Show more

Learning Objectives

• Explain how gene flow changes allele frequencies between populations through migration and interbreeding.
• Describe how genetic drift causes allele-frequency changes due to chance, with stronger effects in small populations.
• Compare the roles of gene flow and genetic drift and predict their effects on genetic variation over time.

Learning Objectives

• Explain how reflection and refraction happen when waves meet boundaries between different media.
• Describe how changes in wave speed lead to bending during refraction while frequency is preserved.
• Use concepts of impedance mismatch and refractive index to predict wave behavior for light and sound.

Learning Objectives

• Explain how mutation, natural selection, genetic drift, and gene flow influence allele frequencies over time.
• Analyze how environmental pressures shape phenotypic variation and adaptation in populations.
• Describe examples of evolutionary forces affecting species in Alberta, such as range shifts and pest pressures.

Learning Objectives

• Explain how energy can be stored in electric and magnetic fields and relate it to energy density.
• Describe how work done to assemble charge or current distributions becomes field energy in circuits.
• Use energy flux ideas (Poynting vector) to connect microscopic fields to macroscopic power transfer.

Learning Objectives

• Explain why temperature stays constant during melting and boiling using the particle model
• Interpret heating curves and identify melting/boiling plateaus and what they mean about energy transfer
• Describe how latent heat relates to the energy required for specific phase changes

Learning Objectives

• Explain how wave interactions with matter can include absorption, reflection, refraction, and transmission
• Describe how wave frequency and material properties affect how strongly matter responds to waves
• Connect energy transfer from waves to observable effects such as heating or motion of charges

Learning Objectives

• Interpret p-values, confidence intervals, and effect sizes as evidence and evaluate practical significance in scientific contexts.
• Assess regression assumptions using diagnostics such as residual plots and identify when model revisions are needed.
• Select and justify inferential methods by connecting assumptions, uncertainty, and limitations to conclusions.

Learning Objectives

• Understand the concept of wave-particle duality in quantum mechanics.
• Describe how de Broglie wavelength relates to particles and their wave properties.
• Explain phenomena like diffraction, interference, and tunneling using wavefunctions.+ Show more

Learning Objectives

• Identify and describe basic components of electric circuits
• Understand simple circuit diagrams and their symbols
• Explain the function of voltage, current, resistance, and power in circuits+ Show more

Learning Objectives

• Understand the principles of molecular methods used in biotechnology.
• Interpret data generated by DNA sequencing and other molecular techniques.
• Explain how genetic information is manipulated and measured in research.

Learning Objectives

• Understand the different types of community interactions such as competition, predation, parasitism, mutualism, and commensalism.
• Analyze how energy flow affects ecological networks and biodiversity.
• Evaluate examples of community interactions in Alberta ecosystems.+ Show more

Learning Objectives

• Explain what phylogenetic trees represent in evolutionary biology.
• Identify key parts of a phylogenetic tree.
• Distinguish between homologous traits and analogous similarities.+ Show more

Learning Objectives

• Describe the process of photosynthesis and the role of light reactions
• Explain the components of the electron transport chain and chemiosmotic ATP synthesis
• Compare energy yields from aerobic and anaerobic respiration pathways+ Show more

Learning Objectives

• Explain the concepts of enthalpy and heat flow in chemical reactions.
• Describe methods such as calorimetry used to measure energy changes.
• Apply Hess's law to determine enthalpy changes of reactions.+ Show more

Learning Objectives

• Explain Coulomb's law and calculate the magnitude of electric forces between point charges.
• Describe the concept of electric field and how it maps force per unit charge in space.
• Understand superposition principle for multiple electric sources.+ Show more

Learning Objectives

• Describe the processes of transcription and translation in gene expression.
• Identify regulatory elements such as promoters, enhancers, and repressors.
• Explain how epigenetic modifications influence gene activity.+ Show more