Grade 12 Science Worksheets

Learning Objectives

• Define the mole as a counting unit in chemistry.
• Understand molar mass and its importance in chemical calculations.
• Interpret and balance chemical equations to find relationships between reactants and products.+ Show more

Learning Objectives

• Use dimensional analysis to convert between concentration, dilution, and mole quantities in stoichiometric problems
• Apply limiting reagent and reaction extent ideas to predict theoretical yields in multistep contexts
• Relate measured gas-phase data to moles using PV=nRT under both standard and nonstandard conditions

Learning Objectives

• Explain how electronegativity differences create bond polarity and partial charges.
• Predict whether a molecule is polar or nonpolar using molecular geometry and dipole cancellation.
• Relate polarity to intermolecular forces and macroscopic properties such as solubility, miscibility, and boiling point.+ Show more

Learning Objectives

• Understand the components and functions of gene regulatory networks in development and environmental responses.
• Identify how epigenetic modifications influence gene expression patterns.
• Analyze examples of regulatory networks in prairie grasses and cattle immune responses.+ Show more

Learning Objectives

• Apply Newton’s three laws to predict motion under multiple forces
• Calculate net force from free-body diagram information
• Calculate acceleration using net force information+ Show more

Learning Objectives

• Understand the concept of energy efficiency and the limits imposed by energy constraints.
• Explain how energy transfer and losses affect the performance of energy conversion devices.
• Analyze real-world examples of energy transformations and their efficiency limitations.+ Show more

Learning Objectives

• Understand the significance of rock layers in Earth's history
• Identify different features within the geologic record
• Explain the concepts of stratigraphy and relative dating+ Show more

Learning Objectives

• Understand the relationship between wave frequency, wavelength, and speed.
• Explain how changes in frequency affect wavelength in wave phenomena.
• Apply wave concepts to compare different regions of the electromagnetic spectrum.+ Show more

Learning Objectives

• Understand the concept of energy stored in fields such as electrostatic and magnetic fields.
• Explain how capacitors and inductors store and release energy in electrical circuits.
• Describe the distribution of field energy in space and its relation to work and energy transfer.+ Show more

Learning Objectives

• Understand the concept of electrostatic interactions in ionic bonding
• Explain lattice energy and its significance in ionic compounds
• Identify differences between ionic, covalent, and metallic bonds+ Show more

Learning Objectives

• Identify different sources of uncertainty in scientific measurements and data.
• Distinguish between systematic bias, random error, and conceptual model uncertainty.
• Understand exemplars such as instrument drift and sampling variability.+ Show more

Learning Objectives

• Explain how mutations generate new alleles within a population
• Describe how sexual reproduction reshuffles alleles to increase genetic diversity among offspring
• Connect changes in allele frequencies to evolutionary responses driven by selection

Learning Objectives

• Describe the molecular structure of DNA and nucleotide composition
• Explain DNA strand orientation within the double helix
• Explain how hydrogen bonding contributes to DNA structural stability+ Show more

Learning Objectives

• Explain how governance and policy mechanisms influence the development and use of scientific and technological innovations.
• Apply risk assessment and environmental impact assessment ideas to evaluate future technology choices.
• Compare regulatory standards, international agreements, and adaptive governance approaches for accountability.+ Show more

Learning Objectives

• Explain how predation, competition, mutualism, and parasitism shape ecosystem communities
• Describe how energy flows through trophic levels and why food webs are more realistic than single food chains
• Analyze how changes in one population can trigger trophic cascades and alter community structure+ Show more

Learning Objectives

• Use Ohm’s law and power relationships to calculate voltage, current, resistance, and power in circuit elements.
• Analyze series and parallel circuits using quantitative relationships and compare their electrical behavior.
• Apply Kirchhoff’s rules to solve for unknown currents or voltages in multi-loop circuits.+ Show more

Learning Objectives

• Explain the mechanisms of thermohaline and wind-driven ocean circulation.
• Describe how surface gyres, upwelling, and the meridional overturning circulation influence climate and nutrient transport.
• Connect oceanic heat capacity and circulation patterns to regional climate modulation and episodic phenomena like El Niño.+ Show more

Learning Objectives

• Understand the phases and mechanisms of mitosis and meiosis.
• Identify components involved in chromosome segregation and recombination.
• Describe the consequences of nondisjunction and their phenotypic effects.+ Show more

Learning Objectives

• Identify components of ecosystems
• Explain basic ecological interactions
• Understand how environmental factors influence communities+ Show more

Learning Objectives

• Explain the development of atomic models from Dalton to Rutherford and Bohr.
• Describe empirical evidence such as cathode ray experiments and gold foil scattering.
• Understand concepts of nuclear charge, mass number, and isotopic abundance.+ Show more

Learning Objectives

• Understand the role of stratigraphy, radiometric dating, paleomagnetic data, structural relationships, and fossil records in reconstructing Earth's history.
• Correlate multiple lines of geological evidence to interpret tectonic and paleoenvironments.
• Analyze how synthesis of data constrains rates of geological processes and supports models of plate movements.+ Show more

Learning Objectives

• Explain how electromagnetic signals propagate as coupled oscillating electric and magnetic fields.
• Use relationships among frequency, wavelength, and wave speed to predict changes in EM transmission.
• Describe how reflection and refraction occur at boundaries and how material properties affect EM waves.+ Show more

Learning Objectives

• Explain how enthalpy changes describe heat transfer during chemical reactions.
• Differentiate exothermic and endothermic reactions using temperature and energy arguments.
• Use calorimetry relationships (including specific heat) to connect heat and temperature change.+ Show more

Learning Objectives

• Identify and compare ionic, covalent, and metallic bonding using charge distribution and electron models.
• Relate bond type to bulk properties such as electrical conductivity, melting point, and solubility.
• Use Lewis structures and formal charge to evaluate which bonding representation best fits observed bonding patterns.

Learning Objectives

• Explain how vectors assemble recombinant DNA constructs
• Describe the roles of restriction enzymes and DNA ligase
• Interpret restriction mapping to locate DNA restriction sites+ Show more

Learning Objectives

• Compare surface processes and geological features of terrestrial and icy planetary bodies.
• Analyze impact cratering records, volcanic activity, and tectonic signatures as indicators of planetary history.
• Evaluate the roles of internal structure, impact flux, and volatile-driven processes in shaping planetary surfaces.+ Show more

Learning Objectives

• Explain how mutations create new genetic variants
• Describe how recombination reshuffles alleles during meiosis
• Interpret how survival changes allele frequencies over time+ Show more

Learning Objectives

• Explain how meiosis maintains chromosome number while producing haploid gametes
• Describe how crossing over and independent assortment generate genetic diversity
• Interpret how meiosis-driven variation supports inheritance patterns and evolutionary change

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 hypothesis testing, confidence intervals, and p-values.
• Interpret statistical metrics such as effect sizes and power in research.
• Differentiate between parametric and nonparametric tests and their assumptions.+ Show more

Learning Objectives

• Understand how resource extraction and land modification affect earth systems.
• Identify environmental consequences of human resource activities such as mining and agriculture.
• Evaluate trade-offs between economic benefits and environmental sustainability.+ Show more

Learning Objectives

• Understand the principles of electron configuration using Aufbau, Pauli exclusion, and Hund’s rules.
• Identify electron arrangements in various elements.
• Predict valence electrons, oxidation states, and bonding tendencies based on electron configurations.+ Show more

Learning Objectives

• Understand the interaction between science, technology, society, and the environment through regional examples.
• Evaluate trade-offs among technological choices, economic factors, environmental impacts, and social values.
• Analyze how policy decisions and infrastructure projects influence societal priorities and environmental sustainability.

Learning Objectives

• Understand the basic concept of electric charges and Coulomb’s law
• Describe the magnitude and direction of electric forces between point charges
• Explain the inverse-square law dependence of electric force on distance+ Show more

Learning Objectives

• Understand the concept of criteria and constraints in engineering
• Identify societal needs and how they influence engineering solutions
• Recognize measurable limits such as cost, safety, and environmental boundaries+ Show more

Learning Objectives

• Understand the stages of the scientific inquiry process from observation to conclusion.
• Identify key components such as hypothesis formulation, variable control, and operational definitions.
• Differentiate between qualitative and quantitative research approaches.+ Show more

Learning Objectives

• Understand the basic movements of Earth's lithospheric plates
• Identify different types of plate boundaries and their features
• Explain geological phenomena such as sea-floor spreading and subduction+ Show more

Learning Objectives

• Understand the historical development of atomic models and their key features.
• Describe modern atomic representations, including nuclear structure, electron clouds, and quantized energy levels.
• Explain how spectral lines and scattering experiments support the existence of discrete energy states.+ Show more

Learning Objectives

• Understand and apply ICE tables for equilibrium analysis.
• Interpret reaction quotients and equilibrium constants to evaluate the position of equilibrium.
• Utilize algebraic methods to estimate equilibrium concentrations.+ Show more

Learning Objectives

• Understand how to construct evidence-based scientific arguments using claims, warrants, and backing.
• Analyze case studies involving species distribution and atmospheric CO2 trends to evaluate relevance and sufficiency of evidence.
• Learn how to incorporate theoretical models and empirical data into coherent scientific explanations.+ Show more

Learning Objectives

• Identify different types of evidence supporting the mechanisms of evolution.
• Explain how fossil records and molecular data contribute to understanding evolutionary history.
• Analyze patterns of homology, transitional forms, and molecular phylogenetics in evolution.+ Show more

Learning Objectives

• Explain the main steps of risk assessment (hazard identification, exposure assessment, and consequence evaluation) in socio-environmental decisions.
• Describe how governance frameworks in Alberta use laws, policies, and stakeholder processes to manage risk.
• Evaluate how transparent risk communication and evidence synthesis help support community trust and decision-making.

Learning Objectives

• Explain the concept of chemical equilibrium as a dynamic balance between forward and reverse reactions.
• Define and interpret the equilibrium constant (K) as a quantitative measure of reaction position.
• Relate concentration- and pressure-based expressions to reaction directionality and predict system responses to perturbations.+ Show more

Learning Objectives

• Explain how electromagnetic signals transfer energy through coupled electric and magnetic fields.
• Use frequency and wavelength relationships to predict signal behavior (reflection and refraction) at boundaries.
• Describe how attenuation and dispersion affect the strength and spread of transmitted signals over distance.+ Show more

Learning Objectives

• Explain how balancing a chemical equation enforces conservation of atoms.
• Interpret coefficients as relative amounts and connect them to mole ratios.
• Use balanced equations to support quantitative reasoning about reactants and products.

Learning Objectives

• Explain molecular orbital theory and how it extends valence bond descriptions.
• Interpret energy-level diagrams for diatomic molecules and extended systems.
• Differentiate between localized and delocalized bonding models.+ Show more

Learning Objectives

• Understand the purpose and types of conceptual and quantitative models
• Identify the applications of different modeling approaches
• Compare deterministic and stochastic modeling frameworks+ Show more

Learning Objectives

• Describe the components of the atomic model, including protons, neutrons, and electrons.
• Explain electron configurations and their impact on element properties.
• Understand the shapes of orbitals, subshell filling order, and effective nuclear charge.+ Show more