Grade 12 Science Worksheets

Learning Objectives

• Explain how allele frequencies change due to selection, mutation, migration (gene flow), and genetic drift.
• Use concepts of effective population size and inbreeding to predict genetic consequences in fragmented or small populations.
• Describe how metapopulation dynamics and extinction–recolonization affect evolutionary potential and conservation outcomes.

Learning Objectives

• Understand chromosomal behavior during meiosis, including segregation and recombination.
• Explain how genetic recombination contributes to genetic diversity.
• Interpret linkage maps and recombination frequency data.+ Show more

Learning Objectives

• Understand the basic mechanisms of gene regulation such as promoter architecture and transcription factors.
• Identify epigenetic modifications and their role in gene expression.
• Explain how alternative splicing and post-translational regulation influence protein production.+ Show more

Learning Objectives

• Explain how gravity leads to Keplerian motion and conserved quantities in ideal orbital dynamics.
• Use quantitative relationships for orbital energy and escape velocity to reason about bound and unbound trajectories.
• Analyze how eccentricity, inclination, semimajor axis, resonances, and tidal perturbations influence long-term orbital evolution and planetary effects.

Learning Objectives

• Explain how weathering, erosion, transport, and deposition interact to shape landscapes and create sedimentary records.
• Use sediment budgets and process-response ideas to relate climate, vegetation, and tectonic uplift to rates of surface change.
• Interpret how changes in sediment flux and channel form can alter depositional environments and stratigraphic architecture.+ Show more

Learning Objectives

• Understand how ice cores and other proxies record past climate conditions.
• Interpret proxy data related to climate variability and transitions.
• Connect proxy signals to known climatic forcings like orbital cycles and volcanic activity.+ Show more

Learning Objectives

• Analyze the historical relationship between scientific developments and societal change.
• Identify key examples of technological diffusion like germ theory, vaccines, and the Green Revolution.
• Evaluate the influence of empirical evidence, institutions, and economic factors on science adoption.+ Show more

Learning Objectives

• Explain electromagnetic induction as the result of time-varying magnetic flux producing an induced electromotive force (emf).
• Apply Faraday’s law qualitatively and use Lenz’s law to determine the direction of the induced effect.
• Relate induction to the operation of generators, transformers, and inductors.

Learning Objectives

• Understand atomic packing arrangements in different types of solids
• Identify the significance of unit cell geometries and bonding types
• Explore how structural features influence mechanical properties and conductivity+ Show more

Learning Objectives

• Understand the mechanisms of allopatric, sympatric, and peripatric speciation.
• Identify factors that contribute to reproductive isolation in species formation.
• Explain how geographic and ecological barriers influence speciation processes.+ Show more

Learning Objectives

• Explain how reproductive isolation prevents gene flow and leads to distinct lineages over time
• Compare allopatric, sympatric, and peripatric speciation and identify the main drivers of each mode
• Use examples to connect barriers, divergent selection, and founder events to genetic and reproductive boundaries

Learning Objectives

• Understand how full life cycle evaluation influences technological decision-making in sustainability.
• Analyze scientific mechanisms such as battery chemistry, thermal limits, and recovery efficiency relevant to engineering choices.
• Compare electric vehicle battery management and recycling approaches considering resource extraction, emissions, efficiency, failure risks, and end-of-life recovery.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the basic structure of nucleic acids, including DNA and RNA
• Identify components such as nucleotides and their parts
• Explain base pairing rules and their significance in genetic fidelity+ Show more

Learning Objectives

• Explain the first and second laws of thermodynamics and their application to chemical systems.
• Calculate and interpret changes in internal energy, enthalpy, entropy, and Gibbs free energy.
• Predict spontaneity and equilibrium shifts in thermodynamic reactions based on free energy and equilibrium constants.+ Show more

Learning Objectives

• Predict genotype and phenotype ratios from classical Mendelian crosses and explain how dominance affects observed outcomes
• Distinguish incomplete dominance, codominance, polygenic inheritance, and sex-linked inheritance using real-world examples and pedigrees
• Use linkage, recombination frequency, and statistical expectations to interpret patterns of trait transmission+ Show more

Learning Objectives

• Identify strong scientific claims using criteria such as evidence quality, transparency, and logical reasoning.
• Evaluate whether a claim is supported by empirical data or weakened by bias, assumptions, or overgeneralization.
• Explain how peer evaluation and replication increase confidence in scientific results over time.

Learning Objectives

• Understand how fossil records provide evidence for evolutionary change.
• Identify similarities and differences in comparative anatomy among species.
• Explain the role of biogeographical patterns in understanding species evolution.+ Show more

Learning Objectives

• Calculate reaction enthalpy changes using standard enthalpies of formation and Hess’s law.
• Use combustion and standard enthalpy data to determine ΔH for chemical reactions.
• Apply bond enthalpy ideas to estimate and compare energetic trends between reaction pathways.

Learning Objectives

• Identify evidence that supports scientific claims
• Understand how observations and data strengthen explanations
• Evaluate the quality and relevance of evidence behind scientific statements+ Show more

Learning Objectives

• Understand how chromosomes segregate during meiosis and how this affects inheritance.
• Identify different patterns of inheritance such as dominance and recessiveness.
• Analyze Punnett squares to predict likely offspring trait combinations.+ Show more

Learning Objectives

• Understand the principles of electron configuration, including Aufbau, Pauli exclusion, and Hund's rules.
• Identify how electrons fill energy levels and subshells.
• Relate electron arrangement to chemical properties and reactivity of elements.+ Show more

Learning Objectives

• Explain how reproductive isolation prevents gene flow and leads to distinct lineages.
• Compare allopatric, sympatric, and peripatric speciation using specific barrier or selection scenarios.
• Evaluate evidence for ecological and geographic drivers of diversification, including examples from Alberta.+ Show more

Learning Objectives

• Explain how electric charge and current relate to electric and magnetic fields
• Describe how changing electromagnetic fields can produce electromagnetic waves
• Connect the electromagnetic spectrum to visible light and radio waves+ Show more

Learning Objectives

• Describe the components of the atomic model including protons, neutrons, and electrons.
• Explain electron configurations and how they determine valence electrons.
• Identify the shapes of orbitals and the order of subshell filling based on quantum numbers.+ Show more

Learning Objectives

• Explain how scientific discovery moves toward applied technology through translational research and commercialization.
• Describe the roles of intellectual property, technology transfer offices, and patenting in innovation pathways.
• Evaluate how funding, industry partnerships, regulatory constraints, and reproducibility affect whether innovations reach the market.

Learning Objectives

• Identify measurable performance metrics and explain how they connect to engineering goals and constraints
• Evaluate how optimization trade-offs and design margins help systems remain effective under varying conditions
• Use metrics to justify design choices and communicate reasoning using scientific language

Learning Objectives

• Explain how greenhouse gases affect Earth’s energy budget using the concepts of incoming solar radiation and outgoing infrared radiation.
• Describe radiative forcing and how changes in greenhouse gas concentrations can shift the balance of energy leaving Earth.
• Use feedbacks to predict whether warming would be amplified or dampened in a greenhouse climate system.+ Show more

Learning Objectives

• Explain why Hess cycles work using the idea that enthalpy is a state function.
• Use Hess’s law to calculate an unknown reaction enthalpy by combining known enthalpy changes from different pathways.
• Interpret thermochemical cycle diagrams to identify which terms cancel and which terms remain.+ Show more

Learning Objectives

• Explain how work depends on force magnitude and the angle between force and displacement
• Calculate or interpret work and power using relationships between energy transfer, time, and force
• Apply work-power ideas to real engineering and everyday contexts such as lifting and engine ratings

Learning Objectives

• Explain the quantum mechanical model of electrons using quantum numbers.
• Apply the Aufbau principle, Pauli exclusion principle, and Hund's rule to determine electron configurations and orbital diagrams.
• Analyze how electron configurations influence an atom’s chemical properties and reactivity.+ Show more

Learning Objectives

• Understand the concept of ionic bonding and charge transfer between atoms.
• Identify characteristics of ionic lattices and how they influence material properties.
• Learn to interpret Lewis structures and formal charges for ionic compounds.+ Show more

Learning Objectives

• Explain reaction rate in terms of collision frequency and the fraction of effective collisions
• Analyze how concentration, temperature, and physical state/surface area affect reaction rates
• Use the activation energy concept to predict whether a collision can lead to product formation+ Show more

Learning Objectives

• Explain Newton’s third law as an action–reaction force pair acting on different objects
• Use momentum and Newton’s laws to predict how collisions change motion for objects with different masses
• Interpret how equal and opposite forces lead to simultaneous changes in both objects’ velocities

Learning Objectives

• Define carrying capacity and its significance in ecosystems.
• Explain how resource availability influences population growth.
• Identify factors that limit population size in a habitat.+ Show more

Learning Objectives

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

Learning Objectives

• Explain atomic packing, unit cell geometries, and bonding types in solids.
• Describe how structural features influence material properties like strength and conductivity.
• Understand band theory concepts and their relation to electronic properties of materials.+ Show more

Learning Objectives

• Understand the principles of radioactive decay and how half-life relates to nuclear stability.
• Identify key concepts of nuclear reactions and reaction energetics.
• Apply decay laws to practical scenarios such as radiotracer use and environmental safety.+ Show more

Learning Objectives

• Understand the differences between ionic, covalent, and metallic bonding.
• Apply Lewis structures and VSEPR theory to predict molecular shapes and polarity.
• Relate bonding types to macroscopic properties such as melting point, conductivity, and solubility.+ Show more

Learning Objectives

• Understand what constitutes scientific evidence
• Identify how scientific claims are supported by evidence
• Recognize the importance of logical analysis in science+ Show more

Learning Objectives

• Explain how biological nutrient cycles, chemical speciation, and physical transport processes interact in environmental systems
• Use cross-disciplinary reasoning to predict emergent outcomes in Alberta landscapes
• Evaluate environmental management strategies using integrated science concepts

Learning Objectives

• Explain how scientific instruments and computational tools support measurement, calibration, and data acquisition.
• Evaluate how precision, accuracy, sensitivity, and specificity affect hypothesis testing and interpretation.
• Describe key trade-offs in instrumentation choices for laboratory and medical or remote sensing applications.

Learning Objectives

• Understand how to translate technical science findings into plain language
• Identify key elements of effective science communication
• Learn strategies to avoid overstating scientific claims

Learning Objectives

• Identify the main components of DNA
• Understand the structure of DNA nucleotides
• Explain how base pairing maintains DNA stability+ Show more

Learning Objectives

• Use cost–benefit reasoning to compare mitigation, adaptation, conservation, and socio-economic policy options.
• Apply multi-criteria decision analysis (MCDA) to evaluate alternatives using criteria such as equity, ecosystem services, and long-term resilience.
• Interpret scenario-modeling results and explain how monitoring, evaluation, and governance affect policy outcomes.

Learning Objectives

• Describe how DNA’s nucleotide structure contributes to the double helix shape
• Explain how hydrogen bonding and the phosphodiester backbone affect DNA stability
• Use base-pairing rules (A–T and C–G) to predict complementary strands+ Show more

Learning Objectives

• Explain how wave superposition leads to constructive and destructive interference using phase and amplitude ideas
• Predict nodal and antinodal patterns for standing waves using boundary conditions
• Relate resonance and frequency to how systems amplify vibrations in real-world acoustic and mechanical contexts

Learning Objectives

• Explain why engineered systems require trade-off reasoning when improving one feature worsens another.
• Evaluate alternatives using cost, performance, and risk metrics, including long-term operating and maintenance effects.
• Use data and models to justify decisions under uncertainty and regulatory constraints.