Grade 12 Science Worksheets

Learning Objectives

• Understand the Hardy-Weinberg principle and its assumptions.
• Calculate expected genotype frequencies using allele frequencies.
• Identify how deviations from Hardy-Weinberg equilibrium indicate evolutionary forces.+ Show more

Learning Objectives

• Explain how energy moves through trophic levels in an ecosystem.
• Describe the roles of producers, consumers, and decomposers in energy flow and nutrient cycling.
• Justify why available energy generally decreases at higher trophic levels.

Learning Objectives

• Understand the fundamental principles of Le Chatelier's principle in chemical equilibria.
• Identify how changes in concentration, pressure, and temperature affect equilibrium systems.
• Explain the role of catalysts in shifting reaction rates without altering equilibrium positions.+ Show more

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

• Understand key concepts of biodiversity patterns, ecological interactions, and resilience mechanisms.
• Analyze the effects of disturbances like invasive species and habitat fragmentation on ecosystems.
• Apply models of population regulation, carrying capacity, and succession to assess ecosystem stability.+ Show more

Learning Objectives

• Explain the molecular basis of chromosomal inheritance and recombination processes.
• Identify how physical maps and molecular markers help trace inheritance patterns.
• Differentiate between effects of single-gene and polygenic influences on phenotype.+ Show more

Learning Objectives

• Identify components of a simple food chain
• Understand the flow of energy through trophic levels
• Explain the roles of producers, herbivores, and predators+ Show more

Learning Objectives

• Explain how monitoring network design and sensor placement affect data quality and representativeness.
• Distinguish indicator selection and temporal resolution for detecting long-term environmental trends.
• Describe basic quality assurance practices that improve confidence in monitoring results.

Learning Objectives

• Understand the concepts of electric charge, current, and potential difference.
• Analyze simple circuit models using resistors, voltage sources, and conductors.
• Apply Ohm’s law to calculate voltage, current, and resistance in circuits.+ Show more

Learning Objectives

• Explain how nucleic acid amplification and sequencing technologies generate molecular data relevant to genetic information.
• Interpret sequencing read mappings and gene expression profiles to support or limit biological inferences.
• Evaluate how genome modification approaches change DNA and discuss key evidence criteria and limitations.

Learning Objectives

• Understand the types of intermolecular forces and their molecular basis.
• Identify how London dispersion, dipole-dipole, and hydrogen bonds influence physical properties.
• Explain the role of intermolecular forces in phenomena like boiling points and protein folding.+ Show more

Learning Objectives

• Understand the different types of energy and their transformations.
• Identify real-world examples of energy conversions.
• Explain the laws governing energy conservation and transfer.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the role of multi-criteria decision frameworks in regional challenges.
• Analyze cross-disciplinary data for informed decision-making.
• Evaluate uncertainties and limitations in complex environmental assessments.+ Show more

Learning Objectives

• Understand the principles of relative dating such as superposition, original horizontality, lateral continuity, and cross-cutting relationships.
• Identify how unconformities and fossil assemblages are used to interpret geological history.
• Explain how relative dating tools help construct chronological sequences of geological events.+ Show more

Learning Objectives

• Understand the use of phasor representation in analyzing AC circuits
• Identify the relationships between impedance, reactance, and phase in resistive, inductive, and capacitive networks
• Calculate power, including real and reactive components, in AC circuits+ Show more

Learning Objectives

• Understand how mutation, natural selection, genetic drift, and gene flow influence allele frequencies in populations.
• Explain the mechanisms by which selection and drift operate on phenotypic variation.
• Relate examples from Alberta such as range shifts and pest pressures to broader evolutionary concepts.+ Show more

Learning Objectives

• Understand the concept of natural selection
• Identify how heritable traits influence survival and reproduction
• Explain how populations adapt over generations+ Show more

Learning Objectives

• Understand key experimental design strategies, including control, replication, and randomization.
• Identify the selection of independent and dependent measures and their roles in analysis.
• Evaluate sample size considerations, statistical power, and effect sizes in planning experiments.+ Show more

Learning Objectives

• Identify and classify different types of chemical reactions, including synthesis, decomposition, single and double displacement, combustion, redox, and acid–base reactions.
• Understand the characteristic stoichiometric patterns and energetics associated with each reaction type.
• Analyze industrial processes such as combustion of natural gas and acid–base reactions in mining contexts, and their environmental implications.+ Show more

Learning Objectives

• Understand the roles of weathering, erosion, transport, and deposition in shaping landscapes.
• Analyze how climate, vegetation, and tectonic activity influence surface change rates.
• Interpret process-response diagrams and sediment budgets to assess landscape evolution.+ Show more

Learning Objectives

• Explain how digitization encodes information into discrete signal changes represented as bits.
• Describe how electromagnetic waves carry energy and how receivers reconstruct encoded data.
• Use evidence-based reasoning to connect frequency content and propagation effects to received signals.

Learning Objectives

• Define torque, moment of inertia, and angular momentum for rigid bodies.
• Develop equations relating net torque to angular acceleration.
• Analyze energy transfer between translational and rotational modes in rolling and compound systems.+ Show more

Learning Objectives

• Understand the role of observation in scientific inquiry
• Formulate clear, testable questions based on observations
• Recognize how evidence supports scientific claims+ Show more

Learning Objectives

• Understand the purpose and importance of models in science
• Identify different types of scientific models
• Recognize the limitations and assumptions of models+ Show more

Learning Objectives

• Explain how scientific inquiry uses observations, measurements, and logical reasoning to build explanations.
• Evaluate claims by comparing them to evidence and checking whether results can be independently supported.
• Apply inquiry practices such as stating clear questions, considering alternative explanations, and looking for patterns in data.

Learning Objectives

• Explain how homologous structures, fossil patterns, and molecular comparisons provide evidence for biological evolution and common ancestry.
• Interpret how evolutionary trees represent divergence from shared ancestors using branching relationships.
• Evaluate reasoning that links observed patterns in organisms to changes over time from ancestral forms.

Learning Objectives

• Understand the concepts of electric charge, current, and potential difference.
• Learn about simple circuit models involving resistors, voltage sources, and conductors.
• Apply Ohm’s law and analyze series and parallel resistor combinations.+ Show more

Learning Objectives

• Analyze multi-body systems with constraints using equations and internal force relations.
• Apply pulley and connected-mass configurations to problem-solving scenarios.
• Describe rigid-body approximations and focus on center-of-mass motion as system descriptors.+ Show more

Learning Objectives

• Understand the components of projectile motion and how to decompose velocity into horizontal and vertical components.
• Apply parametric equations to model projectile trajectories and calculate range, time of flight, and maximum height.
• Connect assumptions of neglecting air resistance to simplified mathematical modeling of projectile motion.+ Show more

Learning Objectives

• Understand the concepts of work, energy, and power in mechanical systems.
• Link force-displacement integrals to kinetic and potential energy.
• Differentiate between conservative and nonconservative forces.+ Show more

Learning Objectives

• Understand the vector nature of displacement, velocity, and acceleration in one dimension.
• Interpret position–time and velocity–time graphs in the context of motion.
• Apply kinematic equations for constant acceleration to solve motion problems.+ Show more

Learning Objectives

• Describe contact and long-range force interactions and their laws.
• Draw free-body diagrams and calculate net forces.
• Apply Newton's laws to systems including inclines, pulleys, and friction.+ Show more

Learning Objectives

• Understand energy exchange between potential and kinetic forms in oscillatory systems.
• Analyze the effects of amplitude and damping on energy in harmonic motion.
• Interpret phase-space and energy diagrams for springs and pendulums.+ Show more

Learning Objectives

• Understand the fundamental concepts of uniform and nonuniform circular motion.
• Explain the vectors involved in circular motion and how they produce centripetal acceleration.
• Derive and apply the formulas relating velocity, radius, and acceleration in circular motion.+ Show more

Learning Objectives

• Understand the fundamental properties of waves including wavelength, frequency, phase velocity, and amplitude.
• Explain the principle of superposition and how interference leads to phenomena like standing waves.
• Apply sinusoidal models and phasor reasoning to describe wave motion and energy transport.+ Show more

Learning Objectives

• Understand the concepts of power and energy transfer in electrical circuits.
• Analyze power dissipation in resistive elements and sources with internal resistance.
• Apply exponential models to describe transient charging and discharging in RC networks.+ Show more

Learning Objectives

• Explain the concept of linear momentum and impulse as conserved quantities in isolated systems.
• Apply algebraic and vector models to relate pre- and post-collision velocities.
• Differentiate between elastic and inelastic collisions using conservation laws.+ Show more

Learning Objectives

• Explain the phenomena of wave interference, including constructive and destructive interference.
• Understand the conditions required for coherence and how they affect interference patterns.
• Describe patterns produced by single- and double-slit diffraction and relate them to wavelength and aperture size.+ Show more

Learning Objectives

• Identify different forms of energy such as thermal, chemical, electrical, and radiant.
• Understand how energy transforms from one type to another in various systems.
• Apply thermodynamic principles to real-world energy processes like combustion, heat loss, and solar energy conversion.+ Show more

Learning Objectives

• Explain how Hess’s law uses conservation of enthalpy to relate reaction energetics across multiple pathways.
• Use thermochemical cycle ideas to show how enthalpy changes cancel and add to give an overall ΔH.
• Connect Hess cycles to indirect determination of difficult quantities such as lattice energy.

Learning Objectives

• Apply Le Chatelier’s principle to predict how equilibrium shifts when concentration, pressure, or temperature changes.
• Determine which side of a gaseous equilibrium will be favored based on relative moles of gas and pressure changes.
• Explain how temperature changes depend on reaction enthalpy and how catalysts affect reaction rates without changing equilibrium position.

Learning Objectives

• Understand the principles of the first and second laws of thermodynamics as they apply to chemical systems.
• Predict spontaneity and direction of reactions using Gibbs free energy, enthalpy, and entropy.
• Interpret free energy changes from equilibrium constants in practical chemical processes.+ Show more

Learning Objectives

• Understand the methods used to organize Earth's history through geological time intervals.
• Identify differences between relative and absolute dating techniques.
• Explain how Earth's biosphere, atmosphere, and oceans have evolved over geological periods.+ Show more

Learning Objectives

• Use constant-acceleration kinematic equations to relate position, velocity, acceleration, and time.
• Interpret and connect motion graphs (x–t, v–t, a–t) with the corresponding equations and assumptions.
• Solve problems by selecting appropriate initial conditions and correctly applying sign conventions.

Learning Objectives

• Explain the differences between contact and long-range force interactions.
• Describe and draw free-body diagrams for various force systems.
• Apply Newton's laws to analyze systems including inclined planes, pulleys, and friction.+ Show more

Learning Objectives

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

Learning Objectives

• Explain how transcription and translation convert genetic information into proteins
• Describe how regulation at multiple levels can change cell function without changing the DNA sequence
• Analyze how timing and post-transcriptional processing influence phenotype+ Show more