Grade 12 Science Worksheets

Learning Objectives

• Explain how protoplanetary disks and accretion contribute to Solar System formation.
• Describe how planetary differentiation and comparative planetology help interpret composition and atmospheres.
• Connect observational evidence (spectroscopy, orbital parameters, and samples) to solar nebula models and planetary diversity.+ Show more

Learning Objectives

• Explain how biotechnology is used in Alberta contexts such as agriculture, diagnostics, and environmental cleanup
• Analyze benefits and risks of genetic and microbial technologies, including ethical and regulatory considerations
• Describe how molecular detection and bioremediation work at a basic cause-and-effect level

Learning Objectives

• Apply Newton’s three laws to predict motion when multiple forces act on an object.
• Compute net force and acceleration, including friction and drag, using quantitative relationships.
• Interpret and use free-body diagrams to model terrestrial and wind-related dynamics.

Learning Objectives

• Explain how iterative design cycles use criteria, constraints, and evidence to improve a solution over time
• Describe how comparing outcomes to stated requirements leads to better design decisions
• Apply evidence-based reasoning to refine a prototype while managing trade-offs in performance, safety, and resources

Learning Objectives

• Apply the principles of relative dating (superposition, original horizontality, lateral continuity, and cross-cutting relationships) to interpret rock sequences.
• Identify and explain how unconformities represent gaps in the geological record.
• Use fossil assemblages to correlate rock strata from different locations.

Learning Objectives

• Understand the key mechanisms driving evolution, including natural selection, genetic drift, gene flow, and mutation.
• Identify evidence supporting evolutionary change such as fossil records, comparative anatomy, biogeography, and molecular similarity.
• Explain how evolutionary processes contribute to diversity and adaptation in organisms.+ Show more

Learning Objectives

• Understand the flow of energy through ecosystems starting from sunlight
• Explain how matter like carbon, nitrogen, and phosphorus cycles among organisms and the environment
• Describe the roles of decomposers, photosynthesis, and respiration in nutrient cycling+ Show more

Learning Objectives

• Define and distinguish between kinetic, potential, thermal, and other energy forms.
• Explain how total mechanical energy changes in systems with non-conservative forces.
• Describe energy transfer during motion, collision, and deformation.+ Show more

Learning Objectives

• Understand key molecular techniques used in genetics and biotechnology.
• Identify applications and limitations of methods like PCR, gel electrophoresis, and CRISPR.
• Analyze the ethical and safety considerations of modern molecular techniques.

Learning Objectives

• Explain chemical reactions using the particle reaction model, focusing on collisions, bond breaking, and bond forming.
• Connect observable evidence (color change, gas formation, temperature change) to microscopic changes in particle arrangement and energy.
• Distinguish matter conservation from energy redistribution in chemical reactions.

Learning Objectives

• Explain Coulomb’s law and its application to point charges.
• Describe the electric field as a spatial force per unit charge.
• Understand superposition of electric forces from multiple sources.+ Show more

Learning Objectives

• Explain how energy transformations relate energy transfer to measurable temperature changes
• Interpret exothermic and endothermic processes using particle motion and potential energy ideas
• Use conservation of energy to justify why temperature changes reflect heat flow rather than energy creation

Learning Objectives

• Explain how ecological interactions influence population growth and carrying capacity in Alberta ecosystems.
• Describe trophic relationships and quantify energy transfer efficiencies across trophic levels.
• Connect nutrient cycling processes to ecosystem productivity and resilience.+ Show more

Learning Objectives

• Define the mole using Avogadro’s number
• Calculate molar mass from chemical formulas
• Convert between mass, moles, and particles+ Show more

Learning Objectives

• Understand the concept of linear momentum as the product of mass and velocity.
• Explain impulse as the cause of change in an object's momentum.
• Describe the motion of the center of mass in isolated systems.+ Show more

Learning Objectives

• Explain how gene expression involves transcription and translation to produce functional proteins
• Identify how regulation (promoters, enhancers, repressors, and epigenetic changes) affects the timing and level of transcription
• Describe how post-transcriptional mechanisms such as alternative splicing and RNA interference can diversify gene products

Learning Objectives

• Understand the fundamental properties of electromagnetic waves.
• Identify how frequency and wavelength influence wave behavior.
• Explain concepts of attenuation and dispersion in signal transmission.+ Show more

Learning Objectives

• Use significant figures, correct units, and consistent terminology to report scientific measurements clearly and precisely.
• Evaluate whether a scientific claim is reproducible by checking evidence presentation (tables, graphs, labeled diagrams) and methodological detail.
• Choose and apply appropriate communication conventions to reduce ambiguity in laboratory and data-based scientific communication.

Learning Objectives

• Explain how models connect inputs to outputs when geometry, time, materials, power, or cost are constrained.
• Evaluate assumptions and measurement uncertainty in decision-making using a modeling framework.
• Use simplified physics-based relationships and tolerances to predict performance and reliability.

Learning Objectives

• Understand the concepts of wave reflection and refraction
• Identify real-world examples of wave behaviors
• Explain how waves change speed and direction at boundaries+ Show more

Learning Objectives

• Describe the processes involved in erosion and sediment transport.
• Identify major erosion mechanisms such as river incision, glacial plucking, and coastal erosion.
• Explain how erosion rates respond to environmental factors like climate, vegetation, and tectonics.+ Show more

Learning Objectives

• Understand the principles of stratigraphy and how layered rocks record Earth's past.
• Identify how different evidence types, such as radiometric dating and paleomagnetic data, contribute to reconstructing geological history.
• Interpret the significance of structural relationships and fossil records in understanding tectonic events.+ Show more

Learning Objectives

• Explain how electromagnetic (EM) signals propagate using coupled electric and magnetic fields.
• Relate frequency and wavelength to signal behavior during transmission and across boundaries.
• Describe how attenuation and dispersion affect signal strength and shape over distance.+ Show more

Learning Objectives

• Explain the concept of genetic drift and how chance influences allele frequencies in small populations.
• Identify the effects of bottlenecks and founder events on genetic diversity.
• Analyze how genetic drift can lead to fixation of alleles regardless of their selective advantage.+ Show more

Learning Objectives

• Understand the concept of energy transfer and heat flow in chemical reactions.
• Differentiate between exothermic and endothermic processes.
• Relate temperature changes to energy changes using calorimetric principles.+ Show more

Learning Objectives

• Understand and apply statistical concepts such as confidence intervals and hypothesis testing in environmental and public health contexts.
• Evaluate measurement errors and propagate uncertainties in data analysis.
• Interpret model validation results to make justified decisions under uncertainty.

Learning Objectives

• Explain the process of sea-floor spreading at mid-ocean ridges.
• Describe how magnetic stripes record Earth's magnetic field history.
• Analyze data from magnetic anomalies and radiometric ages to understand seafloor formation.+ Show more

Learning Objectives

• Understand the principles of VSEPR theory and hybridization in predicting molecular shapes.
• Identify how molecular geometry influences physical and chemical properties of molecules.
• Analyze molecular structures to determine bond angles, polarity, and steric effects.+ Show more

Learning Objectives

• Explain how engineered safety choices and standards reduce harm during normal use and extreme events
• Connect sustainability to lifecycle resource use, emissions, and end-of-life handling in technology design
• Evaluate how reliability influences public trust and infrastructure operating costs over years with variable loads

Learning Objectives

• Interpret graphs by correctly reading axes, scales, and units to understand what variables represent.
• Use graph features such as slope, intercepts, and curvature to connect visual patterns to scientific claims.
• Distinguish meaningful trends from random scatter and evaluate whether graphs support conclusions fairly.+ Show more

Learning Objectives

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

Learning Objectives

• Identify and describe the three main types of chemical bonds: ionic, covalent, and metallic.
• Explain how atoms share or transfer electrons in different bond types.
• Compare bond energies, electron sharing, and properties of materials based on bond types.+ Show more

Learning Objectives

• Use VSEPR theory to predict electron-domain geometry and molecular shape for common molecules
• Connect hybridization to molecular geometry and bond angles
• Explain how molecular shape and polarity influence physical properties such as boiling point and solubility+ Show more

Learning Objectives

• Explain how different types of DNA mutations can change gene products and biological function.
• Analyze how mutations can be silent, harmful, or beneficial depending on their location and effect on reading frames.
• Evaluate real-world impacts of mutations on crop traits, livestock genetics, and pathogen variation.

Learning Objectives

• Understand how sunlight drives photosynthesis
• Explain the role of decomposers in nutrient recycling
• Describe how carbon cycles between organisms and the environment+ Show more

Learning Objectives

• Apply the law of reflection and Snell’s law to predict light paths at interfaces
• Use ray models to determine image characteristics formed by lenses
• Calculate focal length and interpret how lens shape affects image formation+ Show more

Learning Objectives

• Explain how biotechnology can improve agriculture through genetic and breeding strategies that increase crop resilience
• Describe how molecular diagnostic techniques help identify plant and animal pathogens
• Evaluate how bioremediation uses microbes to degrade hydrocarbons while considering ethical and regulatory responsibilities+ Show more

Learning Objectives

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

Learning Objectives

• Explain the key concepts of centripetal acceleration, tangential speed, and radial forces in uniform and non-uniform circular motion.
• Analyze the relationships between angular velocity, period, and centripetal force in rotational systems.
• Apply mathematical formulas to calculate critical speeds and design parameters for safe circular systems.+ Show more

Learning Objectives

• Understand different types of community interactions: competition, predation, parasitism, mutualism, and commensalism.
• Explain how energy flows through food webs and the concept of trophic efficiency.
• Analyze examples of community interactions in ecosystems like Alberta's aspen-mycorrhizal associations and wolf-elk-vegetation cascades.+ Show more

Learning Objectives

• Identify different types of ecological interactions such as competition, predation, parasitism, mutualism, and commensalism.
• Understand how energy flows through food webs and the concept of trophic efficiency.
• Analyze examples of community interactions in Alberta ecosystems and their effect on biodiversity and ecosystem stability.+ Show more

Learning Objectives

• Describe the mechanisms of thermohaline and wind-driven ocean circulation.
• Explain the roles of surface gyres, upwelling, and the meridional overturning circulation in heat and nutrient transport.
• Connect oceanic heat capacity and circulation patterns to regional climate modulation and episodic phenomena such as El Niño–Southern Oscillation.+ Show more

Learning Objectives

• Understand the fundamental principles of gravitational forces and Keplerian motion.
• Analyze the effects of orbital eccentricity, inclination, and semi-major axis on planetary systems.
• Calculate escape velocity and orbital energy for different celestial bodies.+ Show more

Learning Objectives

• Understand the different types of interactions among organisms in ecosystems.
• Identify how food webs illustrate energy flow through trophic levels.
• Analyze the impact of population changes on community structure.+ Show more

Learning Objectives

• Explain atomic packing, unit cell geometries, and bonding types in crystalline solids.
• Describe how lattice structures influence material properties like strength and conductivity.
• Apply band theory concepts to understand electronic behaviors of different solids.+ Show more

Learning Objectives

• Understand the concept of genetic drift and its impact on allele frequencies in populations.
• Identify the processes such as bottlenecks and founder events that cause genetic drift.
• Explain how genetic drift influences genetic diversity in isolated populations.+ Show more

Learning Objectives

• Explain dynamic equilibrium using forward and reverse reaction rates
• Apply equilibrium expressions to changing chemical concentrations
• Interpret equilibrium constants and reaction quotient relationships+ Show more

Learning Objectives

• Explain the steps of a risk assessment framework: hazard identification, exposure assessment, consequence evaluation, and risk communication.
• Describe how governance tools (laws, policies, and decision frameworks) shape environmental and public health decisions in Alberta.
• Evaluate how transparent evidence synthesis supports balancing technological benefits with environmental protection and community concerns.