Grade 12 Science Worksheets

Learning Objectives

• Formulate scientific claims grounded in evidence and clearly state the claim’s scope.
• Use warrants and qualifiers to connect evidence to conclusions responsibly.
• Evaluate competing hypotheses by weighing evidence strength across multiple lines of inquiry.+ Show more

Learning Objectives

• Explain what atomic radius is and how it varies across the periodic table.
• Identify the pattern of atomic radius change within periods and down groups.
• Describe the significance of periodic trends in predicting element properties.

Learning Objectives

• Explain how internal heat and mantle convection drive plate motion
• Identify processes associated with convergent plate boundaries
• Identify processes associated with divergent and transform boundaries+ Show more

Learning Objectives

• Describe the development of atomic models from early theories to modern quantum representations.
• Explain the evidence from spectral lines and scattering experiments that support quantized energy levels and nuclear structure.
• Understand the concepts of quantum numbers and orbital shapes as tools for relating atomic structure to chemical behavior.+ Show more

Learning Objectives

• Explain how different climate models represent physical processes using energy-balance, radiative-convective, and general circulation frameworks.
• Describe key sources of uncertainty in climate projections, including parameterized radiative transfer, cloud feedbacks, and ocean–atmosphere coupling.
• Interpret how model validation uses paleoclimate proxies, instrumental records, and sensitivity experiments to test forcings and feedback strengths.

Learning Objectives

• Classify substances as primarily ionic, covalent, or metallic
• Explain electron transfer, sharing, and delocalization in bonding
• Predict melting point, conductivity, and solubility trends+ Show more

Learning Objectives

• Define key wave parameters such as wavelength, frequency, amplitude, period, and propagation speed.
• Distinguish between transverse and longitudinal waves with real-world examples.
• Explain superposition, interference, and dispersion in wave behavior.+ Show more

Learning Objectives

• Understand the various definitions of acids and bases, including Arrhenius, Brønsted–Lowry, and Lewis frameworks.
• Identify the differences between strong and weak acids/bases and understand conjugate pairs.
• Explain pH and pOH relationships and interpret titration curves and buffer action.+ Show more

Learning Objectives

• Explain how rock layering and fossil evidence create a relative timeline of Earth’s history.
• Describe how radiometric dating uses isotopes to estimate absolute ages of rocks.
• Compare relative dating and absolute dating and interpret what they reveal about Earth system changes over time.

Learning Objectives

• Explain how internal Earth processes and plate tectonics operate over geologic time to reshape Earth’s surface.
• Describe how surface processes (weathering, erosion, deposition) modify landforms after tectonic events.
• Interpret evidence that present-day features are linked to past geologic activity and evolving Earth structure.

Learning Objectives

• Interpret proxy records from ice cores, marine sediments, tree rings, and speleothems to understand past climate variability.
• Identify and analyze isotopic, chemical, and biological indicators used in paleoclimate reconstruction.
• Connect proxy signals to known climate forcings such as orbital cycles and volcanic events.+ Show more

Learning Objectives

• Use quantum numbers (n, ℓ, mℓ, ms) to describe electrons in atoms
• Apply the Aufbau principle, Pauli exclusion principle, and Hund’s rule to build electron configurations and orbital diagrams
• Explain how photoelectron spectroscopy supports electronic structure trends and interpret anomalous electron configurations

Learning Objectives

• Understand the concepts of potential and kinetic energy in oscillatory systems.
• Identify how energy exchanges between potential and kinetic forms during simple harmonic motion.
• Analyze the effects of amplitude and damping on energy conservation in oscillations.+ Show more

Learning Objectives

• Explain how collision frequency and collision effectiveness determine reaction rate
• Describe how temperature, concentration, and particle physical state affect reaction rates
• Use activation energy ideas to predict whether collisions will produce products+ Show more

Learning Objectives

• Explain how homologous structures, fossil patterns, and molecular comparisons provide evidence for common ancestry
• Distinguish homology from convergence and interpret how these ideas support evolutionary relationships
• Use an evolutionary tree to describe divergence from shared ancestors

Learning Objectives

• Understand how models link molecular processes to ecosystem patterns.
• Analyze the propagation of changes across biological scales using coupled equations and network models.
• Evaluate how model assumptions influence predictions and support quantitative reasoning.

Learning Objectives

• Describe the components of the atom including protons, neutrons, and electrons, and their arrangement within the nucleus and electron cloud.
• Explain how electron configurations influence chemical properties such as valence electrons, reactivity, ionization energy, and atomic radius.
• Identify the shapes of orbitals, the order of subshell filling, and the concept of effective nuclear charge to predict ion formation and bonding behavior.+ Show more

Learning Objectives

• Define plate tectonics and its significance in geology.
• Identify different types of plate boundaries: divergent, convergent, and transform.
• Describe geological features associated with each boundary type.+ Show more

Learning Objectives

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

Learning Objectives

• Explain how sensors, control centers, and effectors create feedback loops to maintain homeostasis.
• Differentiate negative feedback from positive feedback and predict the direction of change in each.
• Analyze how neural and hormonal signals contribute to regulating temperature, blood chemistry, and water balance.+ Show more

Learning Objectives

• Explain how weathering, erosion, and deposition shape landscapes over geologic time
• Describe how tectonic forces change rock structures and landforms over long periods
• Compare gradual geologic processes with catastrophic events in interpreting Earth's history

Learning Objectives

• Understand the role of regulatory standards in guiding technological development
• Analyze how environmental impact assessments influence policy decisions
• Evaluate international agreements concerning scientific governance+ Show more

Learning Objectives

• Characterize how biodiversity patterns (species richness, functional diversity, and trophic structure) influence ecosystem stability.
• Explain resistance and recovery using disturbance regimes, carrying capacity, and population regulation concepts.
• Analyze ecological tipping points using case phenomena such as invasive species and habitat fragmentation.

Learning Objectives

• Understand the mechanisms leading to the formation of new species.
• Identify key evidence used to trace speciation events.
• Differentiate between geographic isolation, ecological divergence, and chromosomal changes in speciation.

Learning Objectives

• Determine oxidation numbers and identify oxidation and reduction in chemical reactions.
• Balance redox equations in acidic and basic media using oxidation numbers or half-reactions.
• Calculate galvanic cell EMF using standard reduction potentials and apply Faraday’s laws to electrochemical quantities.

Learning Objectives

• Identify the different types of electromagnetic waves and their order in the spectrum.
• Understand the key properties of electromagnetic waves: frequency, wavelength, and energy.
• Relate the spectrum regions to their practical applications in communication and technology.

Learning Objectives

• Explain major drivers of sea level variability, including thermal expansion, land-ice mass loss, and glacio-isostatic adjustment.
• Interpret evidence from tide gauges and satellite altimetry, and describe how coastal stratigraphy can reconstruct past sea levels.
• Use the concept of fingerprinting to attribute regional and temporal patterns in sea level change to specific causes.+ Show more

Learning Objectives

• Understand methods for integrating multiple lines of evidence in scientific research.
• Analyze contrasting datasets and reconcile conflicting trends using synthesis techniques.
• Evaluate the role of weighting sources and assessing corroboration in forming scientific conclusions.+ Show more

Learning Objectives

• Understand the concept of displacement and how it differs from distance
• Interpret position–time and velocity–time graphs
• Apply kinematic equations for constant acceleration+ Show more

Learning Objectives

• Understand the fundamental principles of the photoelectric effect and its relation to quantum mechanics.
• Analyze how photon energy and work function influence electron emission in photoelectric experiments.
• Interpret experimental data such as threshold frequency, stopping potential, and photon flux in the context of particle-like light behavior.+ Show more

Learning Objectives

• Define phylogenetics and explain its importance in understanding evolution.
• Identify key methods used in reconstructing evolutionary relationships.
• Interpret phylogenetic trees, including concepts of monophyly, paraphyly, and polyphyly.+ Show more

Learning Objectives

• Explain the concept of energy stored in electrical fields and magnetic fields.
• Calculate energy density for electrostatic and magnetic fields.
• Describe how capacitors and inductors store and release energy in circuits.+ Show more

Learning Objectives

• Explain how genetic drift, gene flow, and natural selection can change allele frequencies in populations
• Describe how population size and chance can lead to random fixation or loss of alleles
• Compare how migration and interbreeding (gene flow) affect relatedness among populations+ Show more

Learning Objectives

• Understand the fundamental concepts of probabilistic frameworks for quantifying uncertainty.
• Differentiate between frequentist and Bayesian perspectives in probabilistic analysis.
• Learn how to specify priors, incorporate likelihoods, and interpret posterior distributions.+ Show more

Learning Objectives

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

Learning Objectives

• Explain how scientific models represent real-world systems to support explanation and prediction
• Identify common types of models (diagram, mathematical, simulation) and link them to relevant variables
• Evaluate a model by stating assumptions, limitations, and how evidence could revise it+ Show more

Learning Objectives

• Explain the roles of gene flow and genetic drift in evolutionary change.
• Describe how migration and chance events influence allele frequencies in populations.
• Analyze the interaction between gene flow, drift, and natural selection in shaping genetic variation.+ Show more

Learning Objectives

• Understand the mole concept and its significance in chemical calculations.
• Calculate molar masses of various substances.
• Apply mass-mole conversions in balancing chemical equations.+ Show more

Learning Objectives

• Explain how gravity and motion determine predictable orbital paths
• Relate orbital period to distance using gravity-based models
• Relate orbital speed to orbital distance in different systems+ Show more

Learning Objectives

• Understand key principles of environmental network design and data collection.
• Identify indicators and methods used in environmental monitoring across Alberta.
• Explain the importance of data quality assurance and long-term trend detection.+ Show more

Learning Objectives

• Understand how mutation, natural selection, genetic drift, and gene flow affect allele frequencies over time.
• Explain the role of selection and drift in producing adaptation and diversity in populations.
• Relate the mechanisms of evolution to real-world examples, including range shifts and pest adaptations.+ Show more

Learning Objectives

• Understand the principles of dimensional analysis and scaling relationships in scientific modeling.
• Analyze the effects of nonlinearity and emergent behaviors when scaling across spatial and temporal dimensions.
• Identify assumptions necessary for accurate scale transitions and evaluate consequences of improper scaling.+ Show more

Learning Objectives

• Understand the process of nuclear fusion occurring in the Sun's core
• Identify key concepts related to solar energy production
• Explain the significance of fusion in stellar evolution+ Show more

Learning Objectives

• Identify and describe the major components of Earth's systems: atmosphere, hydrosphere, biosphere, and geosphere.
• Understand how energy and mass fluxes operate across different Earth systems.
• Interpret basic models of steady-state and transient responses in Earth system science.+ Show more

Learning Objectives

• Explain the processes of photosynthesis and cellular respiration and their roles in energy transformation.
• Identify the key molecules and pathways involved in each process.
• Describe how atoms are rearranged and energy is converted during these processes.+ Show more

Learning Objectives

• Identify and describe basic cell structures
• Understand the functions of different cell organelles
• Explore how cells form tissues and organs

Learning Objectives

• Explain how changes in incoming solar energy and outgoing infrared heat drive Earth’s climate over long timescales
• Compare the roles of greenhouse gases, aerosols, and volcanic particles in the Earth’s energy balance
• Describe how natural variability (e.g., El Niño) and long-term orbital changes redistribute energy around the planet+ Show more

Learning Objectives

• Differentiate ionic, covalent, and metallic bonding using electron distribution and representative models.
• Explain how bonding type influences bulk properties such as electrical conductivity, melting point, and solubility.
• Use Lewis structures and formal charge to evaluate and compare bonding alternatives.+ Show more