Grade 12 Science Worksheets

Learning Objectives

• Calculate centripetal acceleration using angular speed or period
• Calculate centripetal force for uniform circular motion
• Differentiate tangential speed from centripetal acceleration+ Show more

Learning Objectives

• Explain how parallax is used to determine distances to nearby stars.
• Use the relationship between apparent brightness and intrinsic luminosity to infer distance using standard candles.
• Interpret redshift as evidence of cosmic expansion and relate it to lookback time and distance-scale thinking.+ Show more

Learning Objectives

• Describe the main patterns and processes involved in population changes over time.
• Explain how interactions among species influence population dynamics.
• Identify factors that shape community structure and affect ecosystem function.

Learning Objectives

• Explain how multiple lines of evidence (fossils, homology, biogeography, and molecular data) support evolution.
• Interpret how transitional forms and homologies indicate common ancestry.
• Use basic reasoning to connect DNA sequence relationships and molecular phylogenies to speciation over deep time.+ Show more

Learning Objectives

• Understand the types of seismic activity associated with different tectonic boundaries.
• Identify various focal depths and their significance in tectonic processes.
• Interpret seismic tomographic images to analyze fault orientations and subsurface heterogeneity.+ Show more

Learning Objectives

• Explain how engineering trade-offs affect performance metrics
• Compare design alternatives using cost and performance data
• Evaluate design options using risk factors+ Show more

Learning Objectives

• Understand key techniques used in biotechnology such as recombinant DNA, PCR, DNA sequencing, and genome editing.
• Identify applications of biotechnology in medicine, agriculture, and industry.
• Discuss ethical considerations related to genetic data privacy, ecological impacts, and equitable access.+ Show more

Learning Objectives

• Explain how different types of mutations (point substitutions, insertions, deletions, chromosomal rearrangements) can change gene products
• Predict how mutations can have silent, loss-of-function, or gain-of-function effects
• Describe how replication errors and environmental mutagens contribute to genetic variation in populations

Learning Objectives

• Define energy system efficiency quantitatively and identify useful output versus loss pathways.
• Explain how design choices such as insulation, surface area, and flow/control strategies affect efficiency.
• Evaluate the performance of a solar-thermal collector using concepts of energy transfer and losses.

Learning Objectives

• Distinguish galvanic and electrolytic electrochemical cells using spontaneous vs nonspontaneous redox behavior.
• Apply electrode conventions (anode/cathode) and redox changes to predict electron flow and ion movement.
• Calculate overall cell potential using standard reduction potentials and interpret the sign of E°cell.+ Show more

Learning Objectives

• Explain how science knowledge and technology choices involve trade-offs among economic, environmental, and social values.
• Evaluate STSE decisions using criteria such as risk, benefit, regulation, and community impacts.
• Use regional examples (e.g., oil sands, urban air quality, Indigenous stewardship) to support evidence-based conclusions.

Learning Objectives

• Understand key molecular techniques such as PCR, gel electrophoresis, and sequencing.
• Explain how recombinant DNA methods are used in biotechnology and medicine.
• Evaluate ethical and safety considerations in applying molecular techniques.

Learning Objectives

• Identify the main steps involved in DNA replication
• Understand the roles of enzymes such as helicase, primase, and DNA polymerase
• Explain the importance of accuracy and repair mechanisms in DNA copying+ Show more

Learning Objectives

• Explain dynamic chemical equilibrium in reversible reactions using reaction rates and constant concentrations.
• Apply Le Châtelier’s principle and equilibrium-constant ideas to predict shifts in equilibrium for changes in conditions.
• Use Kc or K expression reasoning to determine whether products or reactants are favored under given conditions.+ Show more

Learning Objectives

• Explain how criteria guide iterative engineering design cycles
• Describe how testing results support design adjustments
• Identify design changes that improve performance within limits+ Show more

Learning Objectives

• Explain how natural selection and other processes change allele frequencies over time.
• Differentiate genetic drift, gene flow, and natural selection in terms of mechanisms and outcomes.
• Predict how population size and migration can affect genetic relatedness and diversification.+ Show more

Learning Objectives

• Understand the basic components and functions of galvanic and electrolytic cells
• Explain the concept of cell potential and how it is measured
• Describe the role of electrode potentials and how they contribute to cell voltage+ Show more

Learning Objectives

• Understand how biological, chemical, and physical concepts interact in environmental phenomena.
• Analyze complex regional issues such as algal blooms and tailings behavior through interdisciplinary reasoning.
• Apply principles from multiple sciences to explain environmental patterns and management challenges in Alberta landscapes.

Learning Objectives

• Explain how scientific evidence influences social and environmental outcomes
• Explain how technological capacity affects social and environmental outcomes
• Evaluate trade-offs among economic, environmental, and social factors+ Show more

Learning Objectives

• Understand the molecular mechanisms that generate genetic variation such as mutations and recombination.
• Explain how genetic variation influences phenotypes and evolution.
• Differentiate between single-gene inheritance and polygenic traits.+ Show more

Learning Objectives

• Explain how cross-disciplinary evidence supports defensible decisions
• Compare options using multiple decision-making criteria
• Identify sources of uncertainty in scientific evidence+ Show more

Learning Objectives

• Use equilibrium constants (Kc and Kp) to quantify composition at equilibrium
• Calculate and interpret the reaction quotient Q to predict the direction of net reaction
• Explain how temperature affects equilibrium constants using thermodynamic ideas (ΔG°, ΔH°, ΔS°)

Learning Objectives

• Define geological time and explain its significance in Earth history.
• Identify different methods used to establish Earth's timeline.
• Recognize the importance of fossils and radiometric dating in understanding Earth's past.+ Show more

Learning Objectives

• Explain how molecular markers are used to estimate genetic diversity, inbreeding, effective population size, and gene flow in fragmented populations.
• Interpret genetic metrics (e.g., heterozygosity and genetic structure) to assess demographic and long-term extinction risk.
• Justify conservation planning decisions such as habitat corridors and translocations using conservation genetics evidence.

Learning Objectives

• Explain how reactant concentration affects reaction rate through collision frequency and successful collisions
• Use temperature and activation energy ideas to predict how changes in kinetic energy influence reaction rate
• Analyze the role of surface area in heterogeneous reactions by connecting it to collision opportunities

Learning Objectives

• Explain how scientific evidence can inform technological choices in regional STSE contexts.
• Analyze trade-offs among environmental impact, economic drivers, and social values.
• Evaluate how regulations and policy decisions influence outcomes in technology and society.+ Show more

Learning Objectives

• Explain energy system efficiency as a quantitative ratio of useful output to input energy
• Identify major loss pathways (especially heat dissipation) and how design choices reduce them
• Evaluate how insulation, surface area, and control systems improve performance in energy collectors

Learning Objectives

• Explain how Aufbau, Pauli exclusion, and Hund’s rules determine electron configurations for main-group elements.
• Use electron configuration to predict valence electrons, periodic trends, and likely chemical behavior.
• Interpret how oxidation states and bonding tendencies relate to subshell filling and electron distribution.

Learning Objectives

• Explain how operational definitions make scientific measurement claims testable and repeatable.
• Use consistent units, calibration, and standardized protocols to reduce measurement error.
• Identify sources of measurement error (drift, bias, and systematic differences) and describe measurement controls.+ Show more

Learning Objectives

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

Learning Objectives

• Explain how natural selection, genetic drift, and gene flow each change allele frequencies in populations
• Analyze how drift, especially in small populations, can cause random fixation or loss of alleles
• Evaluate how gene flow affects genetic relatedness and diversification among populations+ Show more

Learning Objectives

• Use equilibrium constants to quantify reactant and product activity ratios at steady state.
• Compare reaction quotient Q with equilibrium constant K to predict the direction of net reaction.
• Relate temperature changes to shifts in equilibrium constants and link thermodynamics to equilibrium using Gibbs free energy.

Learning Objectives

• Understand the concepts of oxidation and reduction in chemical reactions
• Identify oxidation and reduction processes in various chemical equations
• Learn the significance of oxidation states+ Show more

Learning Objectives

• Explain how measures of central tendency and spread describe variability in data
• Interpret uncertainty using confidence statements and appropriate representations like error bars
• Evaluate whether observed differences are likely meaningful or consistent with random noise

Learning Objectives

• Explain oxidation and reduction in terms of electron transfer and relate them to oxidation states.
• Identify oxidizing and reducing agents in common redox scenarios.
• Use oxidation-state reasoning and half-reaction ideas to analyze and balance redox reactions.+ Show more

Learning Objectives

• Describe the Earth's internal layers and their distinct properties.
• Interpret seismic data to understand layer boundaries and composition.
• Explain the evidence supporting Earth's layered structure from seismic waves.+ Show more

Learning Objectives

• Identify the different layers of Earth's internal structure and their characteristics.
• Interpret seismic data to understand boundary zones within Earth.
• Explain how geological evidence supports models of Earth's layered composition.+ Show more

Learning Objectives

• Explain how competition shapes ecological communities
• Describe energy flow through food webs
• Explain how trophic efficiency affects biomass distribution+ Show more

Learning Objectives

• Identify and use key wave-model parameters (wavelength, frequency, amplitude, period, and propagation speed) to explain wave behavior.
• Differentiate transverse and longitudinal waves and relate wave type to how energy transfers through a medium.
• Explain superposition and interference using wave models, including how patterns form from combining waves.+ Show more

Learning Objectives

• Explain one-directional energy flow through ecosystems using photosynthesis and respiration
• Describe how matter cycles through ecosystems via carbon, nitrogen, and phosphorus pathways
• Evaluate how decomposers and environmental change affect long-term nutrient availability

Learning Objectives

• Explain how heat transfer relates to enthalpy changes in chemical reactions
• Distinguish exothermic and endothermic reactions using temperature and enthalpy trends
• Use specific heat and calorimetry concepts to connect temperature change to energy transfer+ Show more

Learning Objectives

• Explain how collision theory and activation energy influence reaction rates.
• Determine reaction orders from rate laws and predict how concentration changes affect rate.
• Use the Arrhenius relationship to interpret how temperature changes rate constants.+ Show more

Learning Objectives

• Understand factors that influence population size and growth
• Identify patterns of exponential and logistic population growth
• Recognize interactions within and between populations+ Show more

Learning Objectives

• Explain how mutations create genetic differences within populations
• Describe how meiosis and sexual reproduction reshuffle alleles to generate new allele combinations
• Evaluate how differential survival and reproduction change allele frequencies over time

Learning Objectives

• Understand the key components of designing and assessing senior-level scientific studies.
• Identify appropriate instrumentation and statistical methods for environmental monitoring.
• Evaluate criteria for methodological robustness, reproducibility, and ethical data handling in research.+ Show more

Learning Objectives

• Understand key concepts of population dynamics, trophic relationships, and nutrient cycling in Alberta ecosystems.
• Analyze the impacts of habitat alteration, invasive species, and climate variability on community structure.
• Interpret quantitative descriptors such as carrying capacity, growth rates, and energy transfer efficiencies.

Learning Objectives

• Understand the concept of magnetic flux and how it influences electromagnetic induction.
• Describe the process by which changing magnetic flux induces an electromotive force.
• Explain Faraday’s law and Lenz’s law and their significance in electromagnetic phenomena.+ Show more

Learning Objectives

• Understand sources of genetic variation such as mutations, recombination, and chromosomal changes.
• Explain how gene mutations influence phenotype and inheritance patterns.
• Identify Mendelian and polygenic inheritance as models for trait transmission.+ Show more