Grade 12 Science Worksheets

Learning Objectives

• Explain how gravitational field strength depends on distance from a mass and how it relates to acceleration
• Use energy and momentum ideas to describe orbital motion, circular-orbit velocity, and escape velocity
• Describe tidal effects and how they arise from gradients in gravitational field strength

Learning Objectives

• Understand the concept of momentum conservation in systems with changing mass.
• Explain how mass ejection or accretion affects momentum and produces thrust.
• Derive the qualitative basis for the rocket equation by analyzing momentum exchange.+ Show more

Learning Objectives

• Understand the concept of photon energy and its relation to frequency via E=hf.
• Describe the photoelectric effect as evidence for particle-like behaviour of light.
• Explain the significance of work function and threshold frequency in electron emission.+ Show more

Learning Objectives

• Explain gravitational fields and how they relate to gravitational potential energy in two-body systems
• Determine how gravitational field strength varies with distance from a mass and use that idea to predict motion
• Apply energy and momentum concepts to circular orbits and escape velocity+ Show more

Learning Objectives

• Understand how atomic radius varies across periods and down groups in the periodic table.
• Analyze the factors influencing atomic size, including nuclear charge and electron shielding.
• Identify the patterns of periodic trends and predict reactivity based on atomic properties.+ Show more

Learning Objectives

• Understand the ethical, legal, and social issues related to biotechnology applications.
• Analyze considerations such as biosafety, intellectual property, and ecological risks.
• Evaluate regulatory frameworks and public consultation processes shaping biotechnology deployment.+ Show more

Learning Objectives

• Understand the interconnected concepts of molecular genetics, gene regulation, and evolutionary mechanisms.
• Analyze how ecological interactions influence genetic variation and population responses.
• Apply knowledge of mutation, selection, gene flow, and ecosystem effects to real-world examples.+ Show more

Learning Objectives

• Explain the photoelectric effect using energy conservation between photon energy, work function, and electron kinetic energy.
• Determine how threshold frequency and stopping potential relate to the minimum photon energy needed for electron emission.
• Interpret how photon flux and experimental measurements support the particle-like (quantized) behavior of light.

Learning Objectives

• Understand the concept of photons as quantized light particles
• Explain the photoelectric effect and its significance in quantum physics
• Relate photon energy to frequency using the equation E = hf+ Show more

Learning Objectives

• Construct evidence-based scientific explanations that connect observations and data to reasoning
• Use variables and controls to justify or limit causal interpretations
• Address alternative explanations by evaluating how well the evidence supports each claim+ Show more

Learning Objectives

• Explain the principles of wave interference, including constructive and destructive interference.
• Describe the conditions for coherence and their importance in interference patterns.
• Analyze how wavelength and aperture size influence diffraction and interference phenomena.+ Show more

Learning Objectives

• Understand the concept of chemical equilibrium and reversible reactions.
• Identify factors that shift chemical equilibria based on Le Chatelier’s principle.
• Recognize real-world applications of chemical equilibrium in industry and environment.+ Show more

Learning Objectives

• Explain radioactive decay, half-life, and nuclear reactions with quantitative laws.
• Analyze the energetics and conservation principles in nuclear phenomena.
• Apply calculations related to decay chains, activity, and energy release in practical contexts.+ Show more

Learning Objectives

• Explain the concept of wave-particle duality in quantum mechanics.
• Describe how matter exhibits wave behavior through de Broglie wavelengths.
• Understand the connection between wavefunctions and atomic spectral lines.+ Show more

Learning Objectives

• Explain how dissolution, sorption, volatilization, and biodegradation affect chemical fate in soil and water.
• Compare kinetic vs. equilibrium processes and describe how they influence contaminant partitioning and distribution.
• Apply fate-and-transport ideas to Alberta-relevant contamination scenarios and suggest monitoring/remediation implications.

Learning Objectives

• Understand different mechanisms of speciation
• Identify factors leading to the formation of new species
• Explore evidence supporting speciation events

Learning Objectives

• Describe the semi-conservative nature of DNA replication.
• Identify the roles of key enzymes such as helicase, primase, and DNA polymerase in DNA replication.
• Explain mechanisms that ensure replication fidelity and repair for mutation control.+ Show more

Learning Objectives

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

Learning Objectives

• Define the photoelectric effect and explain its significance in quantum physics.
• Describe how photon energy relates to electron emission.
• Identify the key variables involved in photoelectric experiments, such as frequency and stopping potential.+ Show more

Learning Objectives

• Explain the processes involved in mountain building and orogeny.
• Identify different tectonic settings that lead to mountain formation.
• Describe structural features and metamorphic processes in mountain ranges.+ Show more

Learning Objectives

• Explain how greenhouse gases and aerosols affect Earth’s energy balance and climate trends.
• Compare natural and human drivers of climate change, including volcanic eruptions and El Niño.
• Analyze how different timescales of forcing can lead to observed changes in weather patterns.

Learning Objectives

• Explain how erosion and weathering reshape Earth’s surface and transport material through different agents (water, wind, ice, gravity).
• Identify how sediment properties and landforms provide evidence for past erosion, transport, and depositional environments.
• Connect layered sediment records and surface patterns (elevation and slope) to deeper geologic processes such as uplift.

Learning Objectives

• Explain how energy from the Sun drives interacting processes in the atmosphere, oceans, land, and ice
• Describe positive and negative feedbacks in Earth’s climate system and give real examples
• Evaluate how feedbacks can shift the likelihood of droughts, heavy precipitation, and heat waves

Learning Objectives

• Understand how various types of mutations alter DNA sequences and their effects on gene function.
• Identify mechanisms that lead to mutations and their consequences in genetics and biotechnology.
• Evaluate the impact of mutational outcomes on crop traits, livestock, and pathogen diversity.+ Show more

Learning Objectives

• Understand the principles of energy and momentum conservation within isolated systems.
• Analyze different collision scenarios using conservation equations.
• Identify elastic, inelastic, and perfectly inelastic collisions and their characteristics.+ Show more

Learning Objectives

• Understand the role of biotechnology in agricultural innovation, diagnostics, and bioremediation.
• Identify genetic improvement strategies used for crop resilience.
• Describe molecular detection techniques for plant and animal pathogens.+ 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

• Describe the processes involved in the rock cycle, including melting, crystallization, weathering, erosion, transportation, deposition, and burial.
• Explain how surface processes driven by water, wind, and biological activity transform rocks into sediments.
• Identify the main types of rocks (igneous, sedimentary, and metamorphic) and the processes that convert one type into another.+ Show more

Learning Objectives

• Calculate reaction enthalpy using standard enthalpies of formation and combustion data.
• Apply Hess’s law to combine enthalpy terms for a net chemical equation.
• Use bond enthalpies to make approximate energy estimates and compare reaction pathways.

Learning Objectives

• Explain dynamic chemical equilibrium and how equal forward and reverse reaction rates lead to constant concentrations over time.
• Use Le Châtelier’s principle qualitatively to predict how changes in conditions shift an equilibrium position.
• Interpret the equilibrium constant (K) to determine whether reactants or products are favored.+ Show more

Learning Objectives

• Explain how VSEPR electron-pair repulsion predicts molecular shapes and bond angles
• Use hybridization ideas to connect bonding patterns with molecular geometry
• Predict how molecular geometry affects polarity, intermolecular forces, and properties such as boiling point

Learning Objectives

• Explain energy flow in real systems by identifying where energy enters, transfers, and leaves a system.
• Apply the law of conservation of energy to energy transformations such as combustion and electricity generation.
• Evaluate efficiency by comparing useful energy output to total energy input and describing major losses.+ Show more

Learning Objectives

• Understand Le Chatelier’s principle and how it predicts the response of equilibrium systems to external stresses.
• Identify the effects of concentration, pressure, and temperature changes on chemical equilibria.
• Explain how catalysts influence reaction rates without shifting equilibrium position.+ Show more

Learning Objectives

• Understand the concept of geological time and its significance in Earth history.
• Identify methods used to establish relative and absolute geological ages.
• Recognize the major transitions in Earth's biosphere, atmosphere, and oceans throughout geological history.+ Show more

Learning Objectives

• Explain how mineral and energy resource assessment uses geological and geophysical evidence to estimate deposit size and quality.
• Differentiate measured reserves from inferred resources and describe why confidence levels differ.
• Evaluate how extraction methods and environmental constraints (waste, water demand, and greenhouse gases) affect project feasibility.+ Show more

Learning Objectives

• Understand the concepts of wave reflection and refraction
• Identify real-world examples of wave reflection and refraction
• Explain how waves change direction and speed at boundaries between media

Learning Objectives

• Explain the mechanisms of species formation, including geographic isolation, ecological divergence, and chromosomal changes.
• Identify evidence used by scientists to study speciation through phylogenetic trees and fossil records.
• Describe how hybridization and adaptive radiation contribute to the diversity of species.+ Show more

Learning Objectives

• Understand the processes of transcription and translation in gene expression.
• Identify the roles of regulatory elements like promoters, enhancers, and repressors.
• Explain the influence of epigenetic modifications on gene activity.+ Show more

Learning Objectives

• Understand basic concepts of biotechnology including recombinant DNA, PCR, DNA sequencing, and genome editing.
• Identify various applications of biotechnology in medicine, agriculture, and industry.
• Recognize ethical considerations related to biotechnology, such as privacy, ecological impacts, and equitable access.

Learning Objectives

• Understand the scope and significance of genomic applications in modern medicine and conservation.
• Identify ethical, ecological, and regulatory considerations related to genomic technologies.
• Analyze benefits and risks associated with population-scale sequencing, personalized medicine, and gene drives.+ Show more

Learning Objectives

• Define chemical equilibrium and describe its dynamic nature.
• Explain how the equilibrium position depends on reaction conditions.
• Understand the significance of the equilibrium constant in predicting reaction favorability.+ Show more

Learning Objectives

• Explain how qualitative and quantitative models represent relationships suggested by data.
• Use linear and proportional reasoning to interpret graphs and compare predictions to measurements.
• Evaluate whether a model supports or refutes a claim by considering expected variation and underlying assumptions.

Learning Objectives

• Understand the different types of chemical reactions: synthesis, decomposition, single displacement, double displacement, combustion, redox, and acid–base.
• Identify characteristic patterns and energetic properties of each reaction type.
• Apply classification skills to predict products and balance chemical equations.+ Show more

Learning Objectives

• Describe the double helix structure of DNA and its nucleotide components.
• Explain how hydrogen bonds and phosphodiester backbones contribute to DNA stability.
• Identify examples of genetic material in local Alberta species and their significance.+ Show more

Learning Objectives

• Understand the fundamental mechanisms that drive evolutionary change.
• Identify types of evidence supporting evolution.
• Explain how genetic variation leads to adaptation and diversity.+ Show more

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.

Learning Objectives

• Describe the main ecosystem processes including primary productivity, decomposition, and nutrient cycling.
• Explain biogeochemical cycles of carbon, nitrogen, and phosphorus, and their links to organisms and environmental reservoirs.
• Analyze Alberta-specific examples such as peatland carbon sequestration, boreal fire effects, and agricultural soil management.+ Show more

Learning Objectives

• Understand how human resource use affects Earth's systems through various activities.
• Recognize the environmental consequences of resource extraction and land modification.
• Evaluate trade-offs between economic benefits and environmental sustainability.+ Show more