Grade 12 Science Worksheets

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 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

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

• 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

• 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

• 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 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 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

• 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 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

• 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

Learning Objectives

• Apply Newton’s three laws to describe relationships between forces and motion in real systems.
• Calculate net force and use it to predict acceleration for motion with friction and drag.
• Interpret and use free-body diagrams to model terrestrial and wind-driven forces.

Learning Objectives

• Understand how to interpret data from environmental and health statistics using statistical concepts.
• Apply confidence intervals, hypothesis testing, and error analysis to real-world environmental data.
• Evaluate models and measurement limitations to make transparent, justified decisions based on data.

Learning Objectives

• Understand the principles of gravitational dynamics and Keplerian motion governing orbital trajectories.
• Explore how orbital elements influence planetary seasons, tides, and long-term orbital evolution.
• Apply formulas for escape velocity, orbital energy, and analyze gravitational perturbations in systems.

Learning Objectives

• Identify and describe different types of plate boundaries including convergent, divergent, and transform boundaries.
• Understand how plate movements influence geological features and events such as earthquakes, mountain building, seafloor spreading, and volcanic activity.
• Explain the role of internal heat and mantle convection in supporting plate movements.+ Show more

Learning Objectives

• Explain how Aufbau, Pauli exclusion, and Hund’s rules determine electron configurations in atoms.
• Predict valence electrons and relate electron configuration to periodic trends and chemical behavior.
• Use oxidation state logic and bonding tendencies derived from electron configuration to interpret reactivity and physical properties.+ Show more

Learning Objectives

• Understand how stratigraphic correlation and index fossils establish relative timelines.
• Explain how isotope dating provides absolute ages of Earth's geological events.
• Analyze the interactions among Earth's spheres during major transitions like mass extinctions and glaciations.+ Show more

Learning Objectives

• Identify the claim, evidence, and reasoning in a scientific argument
• Evaluate whether data patterns logically support conclusions by checking for missing links
• Assess how uncertainty, controls, and counterarguments affect the strength of scientific conclusions

Learning Objectives

• Understand the principle of enthalpy conservation in Hess cycles.
• Learn how thermochemical cycles help calculate reaction energetics indirectly.
• Visualize how enthalpy changes cancel and sum in reaction cycles.+ Show more

Learning Objectives

• Explain how elements (carbon, nitrogen, phosphorus) cycle through the lithosphere, hydrosphere, atmosphere, and biosphere.
• Describe how weathering, biological uptake, decomposition, and sedimentation transform nutrient reservoirs over time.
• Analyze how human activities change biogeochemical cycle rates and affect long-term concentrations through feedbacks.

Learning Objectives

• Understand the concept of enthalpy change and its significance in chemical reactions.
• Apply Hess's law and standard enthalpies of formation to calculate reaction enthalpies.
• Analyze thermochemical data to evaluate energy requirements and environmental impacts of industrial processes.

Learning Objectives

• Explain the principles of Aufbau, Pauli exclusion, and Hund’s rules in electron configuration.
• Predict valence electrons and chemical behavior based on electron arrangements.
• Describe spectroscopic signatures and their relevance in analytical contexts.+ Show more

Learning Objectives

• Understand the trophic relationships and energy flow within ecosystems.
• Identify the role of keystone species and how they influence community structure.
• Explain trophic cascades and their effects on ecosystems.+ Show more

Learning Objectives

• Understand the basic principles of wave interference
• Distinguish between constructive and destructive interference
• Explain coherence requirements for interference patterns+ Show more

Learning Objectives

• Understand and analyze multi-criteria decision frameworks in scientific contexts.
• Integrate biological, chemical, and physical data to evaluate environmental challenges.
• Apply quantitative reasoning to interpret interdisciplinary evidence.+ Show more

Learning Objectives

• Understand the nature and properties of fields as spatial distributions exerting forces.
• Describe gravitational and electric fields as vector fields and how they assign force per unit mass or charge at each point.
• Interpret the significance of field lines and the superposition principle for multiple sources.+ Show more

Learning Objectives

• Understand how concentration affects collision frequency.
• Explore the relationship between temperature and particle energy.
• Learn how surface area impacts reaction rates.+ Show more

Learning Objectives

• Explain how measurement error contributes to monitoring data uncertainty
• Propagate simple uncertainty through basic calculations
• Interpret uncertainty ranges in measurement results+ Show more

Learning Objectives

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

Learning Objectives

• Understand the concept of phase changes and the energy involved
• Explain what happens at the particle level during melting and boiling
• Interpret heating curves and identify temperature plateaus+ Show more

Learning Objectives

• Understand the concept of electromagnetic induction.
• Identify the principles of Faraday’s law and Lenz’s law.
• Recognize practical applications of electromagnetic induction in power systems.+ Show more

Learning Objectives

• Understand the function of restriction enzymes in DNA cutting
• Identify how restriction enzymes recognize specific DNA sequences
• Learn the role of restriction enzymes in genetic engineering processes+ Show more

Learning Objectives

• Understand the concept of the mole as a counting unit in chemistry.
• Learn how to relate molar mass to the number of particles in a substance.
• Apply the mole concept to interpret balanced chemical equations.+ Show more

Learning Objectives

• Explain how electrons are arranged in an atom using Aufbau, Pauli exclusion, and Hund’s rules.
• Predict valence electrons and chemical reactivity based on electron configurations.
• Understand spectroscopic signatures and their role in empirical analysis.+ Show more

Learning Objectives

• Define the Hardy-Weinberg principle and its assumptions.
• Explain how allele and genotype frequencies relate in populations.
• Calculate expected genotype proportions using p^2, 2pq, and q^2.+ Show more

Learning Objectives

• Explain redox processes using electron transfer and oxidation state language
• Balance redox reactions by splitting into half-reactions and conserving mass and charge
• Apply redox and electrochemical principles to corrosion, metal refining, and batteries+ Show more

Learning Objectives

• Identify the main layers of Earth's internal structure.
• Describe the physical and compositional differences between Earth's crust, mantle, outer core, and inner core.
• Understand how seismic waves provide evidence for Earth's interior layers.+ Show more

Learning Objectives

• Understand how different components of Earth's climate system interact through feedback mechanisms.
• Identify examples of positive and negative feedbacks in Earth's environment.
• Explain how feedbacks can influence climate variability and change.+ Show more

Learning Objectives

• Explain how reactant concentration affects collision frequency and reaction rate
• Describe how temperature influences particle kinetic energy and the likelihood of effective collisions
• Relate surface area (for heterogeneous reactants) to collision opportunities and reaction rate+ Show more

Learning Objectives

• Understand the principles of electromagnetic induction as described by Faraday's law.
• Explain how changing magnetic flux induces an electromotive force in conductors.
• Identify the functioning of generators, transformers, and inductors based on induction principles.+ Show more

Learning Objectives

• Explain the mechanisms driving plate movements such as mantle convection and isostasy.
• Identify different types of plate boundaries and their surface geological features.
• Describe the evidence used to reconstruct Earth's geologic history, including radiometric dating and seismic tomography.+ Show more