Grade 12 Science Worksheets

Learning Objectives

• Explain the concept of gravitational fields as long-range forces producing central accelerations.
• Define gravitational potential and potential energy in two-body systems.
• Describe how gravitational field strength varies with distance from mass sources.+ Show more

Learning Objectives

• Understand the concept of photons and their quantized energy.
• Explain the relation E = hf and the significance of frequency in photon energy.
• Describe the photoelectric effect and how it demonstrates particle-like behavior of light.+ Show more

Learning Objectives

• Define and distinguish key wave parameters including wavelength, frequency, amplitude, period, and propagation speed.
• Explain the differences between transverse and longitudinal waves.
• Describe the concepts of superposition, interference, and dispersion in wave phenomena.+ Show more

Learning Objectives

• Understand how adaptations can increase survival and reproduction in specific environments.
• Identify and explain tradeoffs involved in evolutionary adaptations.
• Analyze how environmental factors influence trait success and frequency.+ Show more

Learning Objectives

• Explain how stratigraphy, fossils, and radiometric dating establish Earth's geological timeline.
• Identify different methods used to measure absolute and relative ages in Earth's history.
• Analyze how changes in atmospheric composition, ocean chemistry, and life forms are interconnected over geological time.+ Show more

Learning Objectives

• Explain how genetic drift causes random changes in allele frequencies, especially in small populations.
• Describe how bottleneck and founder events reduce genetic diversity and can increase inbreeding risk.
• Compare the effects of genetic drift and natural selection using effective population size.

Learning Objectives

• Explain how collision theory, activation energy, and temperature influence reaction rates.
• Use rate laws and experimental reaction orders to predict how concentration affects reaction rates.
• Relate temperature changes to rate constants using the Arrhenius equation concepts.+ Show more

Learning Objectives

• Explain how oxidation and reduction relate to electron transfer and identify the oxidizing/reducing agents.
• Determine oxidation states and interpret what changes during redox reactions.
• Balance redox reactions by conserving mass and charge using half-reactions.

Learning Objectives

• Understand the processes involved in erosion and sediment transport.
• Identify the different mechanisms of erosion such as river incision, glacial plucking, and coastal erosion.
• Analyze how climate, vegetation, and tectonics influence erosion rates.+ Show more

Learning Objectives

• Explain how electric and magnetic fields transmit electromagnetic energy
• Relate frequency, wavelength, and speed during signal propagation
• Analyze reflection and refraction at material boundaries+ Show more

Learning Objectives

• Explain how energy transfer changes particle motion and temperature
• Apply conservation of energy to temperature changes
• Distinguish kinetic and potential energy changes+ Show more

Learning Objectives

• Explain how galaxy redshift supports an expanding universe model
• Use gravity-based equations to describe cosmic expansion
• Interpret observations that constrain the universe's age and size+ Show more

Learning Objectives

• Frame rigorous senior design research questions with controllable variables and justified comparisons.
• Apply sampling strategies and uncertainty characterization appropriate for field and laboratory air/water monitoring in Alberta.
• Use instrumentation, statistical treatment, and ethical data-handling practices to support reproducible results.

Learning Objectives

• Define gene expression and describe its significance in living organisms.
• Identify key elements involved in transcription regulation such as promoters, enhancers, and repressors.
• Explain processes like post-transcriptional modifications, including alternative splicing and RNA interference.+ Show more

Learning Objectives

• Understand the key techniques used in recombinant DNA technology including vectors, restriction enzymes, and ligases.
• Identify applications of recombinant methods in agriculture and diagnostics.
• Recognize ethical and regulatory considerations related to biotechnology.+ Show more

Learning Objectives

• Explain how energy is conserved during heating and cooling by tracing transfers between a system and its surroundings
• Use calorimetry reasoning with temperature change and heat capacity to set up a heat gained/lost balance
• Differentiate energy flow in physical versus chemical processes using the same conservation framework

Learning Objectives

• Explain wave behavior using wavelength, frequency, amplitude, and speed for mechanical and electromagnetic waves
• Apply the wave relationships (v = λf and T = 1/f) to predict wave propagation
• Analyze how interference, refraction, and boundary conditions affect observable wave behavior+ Show more

Learning Objectives

• Explain the concept of entropy as a measure of energy dispersal and microstate accessibility.
• Describe how Gibbs free energy combines enthalpy and entropy to predict spontaneity of reactions.
• Analyze the relationship between Gibbs free energy changes and thermodynamic equilibrium constants.+ Show more

Learning Objectives

• Explain the different forms of energy and how they are transformed in various systems.
• Analyze the efficiency and environmental impact of energy systems such as fossil fuel plants and renewable sources.
• Apply thermodynamic principles to real-world energy processes.

Learning Objectives

• Understand the concept of an expanding universe and its observational evidence.
• Interpret galaxy redshift data and relate it to cosmic expansion.
• Describe how cosmological models explain the universe's age, size, and structure formation.+ Show more

Learning Objectives

• Understand the principles of energy transfer, transformation, and conservation in various systems.
• Analyze the efficiency of different energy systems and their environmental impacts.
• Apply thermodynamic concepts to real-world energy processes such as combustion, heat transfer, and renewable energy conversion.+ Show more

Learning Objectives

• Explain how electronic transitions produce discrete emission and absorption lines in atomic spectra.
• Interpret spectral patterns to connect line positions with energy quantization and electron structure.
• Describe how selection rules and line broadening affect observed spectra and element identification.

Learning Objectives

• Understand the formation processes and architecture of the Solar System within the context of astronomy.
• Describe key theories such as protoplanetary disk evolution, accretion, and planetary differentiation.
• Analyze observational data like spectroscopy and orbital parameters to relate models to planetary diversity.+ Show more

Learning Objectives

• Explain how transcription converts genetic information into RNA.
• Explain how translation produces functional proteins.
• Identify regulatory roles of promoters and enhancers.+ Show more

Learning Objectives

• Explain the gravitational dynamics and Keplerian motion governing satellite and planetary orbits.
• Apply conservation laws to analyze orbital trajectories and resonances.
• Calculate escape velocity and orbital energy for different celestial bodies.+ Show more

Learning Objectives

• Understand the concept of genetic diversity and its significance in conservation
• Identify how molecular markers are used to assess genetic health in populations
• Explain the importance of gene flow and connectivity for species survival+ Show more

Learning Objectives

• Understand the mechanisms of thermohaline and wind-driven ocean circulation.
• Analyze the role of surface gyres, upwelling, and the meridional overturning circulation in heat and nutrient transport.
• Explain how oceanic heat capacity and circulation affect regional climate and phenomena like El Niño.+ Show more

Learning Objectives

• Describe the different types of chemical bonding: ionic, covalent, and metallic.
• Predict bond polarity based on electronegativity differences.
• Explain bond strength and length in relation to bond order and bond energy.+ Show more

Learning Objectives

• Describe the key factors influencing population growth and decline.
• Differentiate between exponential and logistic growth models.
• Analyze examples of population changes in Alberta's ecosystems.+ Show more

Learning Objectives

• Explain how molecular markers and genetic theory are used to measure diversity, inbreeding, and gene flow in fragmented populations.
• Interpret genetic metrics (heterozygosity, effective population size, and connectivity) to assess extinction risk and demographic viability.
• Evaluate how genetic information can guide conservation planning, such as habitat corridors and recovery strategies using Alberta examples.

Learning Objectives

• Explain how multiple lines of evidence support evolution, including fossils, homology, biogeography, and molecular phylogenetics.
• Use evidence patterns such as transitional forms and congruent trees to justify evolutionary relationships.
• Distinguish scientific interpretations of evidence from misconceptions about evolution.

Learning Objectives

• Explain how interspecific interactions (competition, predation, parasitism, mutualism, commensalism) shape ecological communities and food webs.
• Describe how energy flow and trophic efficiency influence biomass distribution across ecosystems.
• Use Alberta examples to evaluate how species interactions can affect community composition, resilience, biodiversity, and stability.

Learning Objectives

• Understand the basic concepts and techniques of biotechnology.
• Identify various applications of biotechnology in medicine, agriculture, and industry.
• Recognize key ethical issues related to biotechnological advances.

Learning Objectives

• Understand the concept of electric charges and how they create electric fields
• Identify the relationship between electric charges and electric field lines
• Recognize the differences between positive and negative charges+ Show more

Learning Objectives

• Explain the different types of intermolecular forces and their roles in molecular behavior.
• Identify and differentiate between London dispersion, dipole-dipole, and hydrogen bonding.
• Understand how intermolecular forces influence boiling points, solubility, and surface tension.+ Show more

Learning Objectives

• Compare surface processes of terrestrial and icy bodies beyond Earth.
• Analyze internal structure indicators and geologic history evidence from remote sensing and sample analysis.
• Evaluate impact flux, endogenic activity, and volatile-driven alterations in shaping planetary surfaces.+ Show more

Learning Objectives

• Understand how standard enthalpies of formation and combustion are used to calculate reaction enthalpies.
• Apply algebraic methods consistent with Hess's law to determine reaction enthalpies.
• Estimate reaction enthalpies using bond enthalpies and compare different energetic pathways.

Learning Objectives

• Describe the processes involved in the rock cycle and how they transform different rock types.
• Identify key processes such as melting, weathering, erosion, and metamorphism in the rock cycle.
• Explain how surface and subsurface processes contribute to landscape evolution over geologic time.

Learning Objectives

• Explain how entropy quantifies energy dispersal and microstates in a system.
• Describe how Gibbs free energy predicts the spontaneity of chemical reactions.
• Analyze the relationship between enthalpy, entropy, and temperature in Gibbs free energy.+ Show more

Learning Objectives

• Understand the representation of displacement, velocity, and acceleration as vectors in one- and two-dimensional motion.
• Apply vector decomposition and parametric equations to model projectile trajectories under regional conditions.
• Analyze relative motion and effects of wind in the context of drone flight and agricultural applications.+ Show more

Learning Objectives

• Explain the concepts of centripetal acceleration and tangential speed in uniform and non-uniform circular motion.
• Apply mathematical relations involving angular velocity, period, and centripetal force to analyze the stability of rotating systems.
• Assess real-world applications of circular motion such as vehicle dynamics on banked curves and rotational forces in turbines.+ Show more

Learning Objectives

• Understand the concept of impedance, reactance, and phase relationships in AC circuits.
• Calculate power, real and reactive components, and power factor in resistive, inductive, and capacitive networks.
• Analyze RLC circuits for resonance conditions and energy transfer in power systems.+ Show more

Learning Objectives

• Explain the principles of reflection and refraction in geometric optics.
• Apply Snell's law to calculate angles of light at interfaces.
• Describe how lenses form images and the factors influencing focal length.+ Show more

Learning Objectives

• Explain the fundamental characteristics of wave behaviour including wavelength, frequency, amplitude, and speed.
• Use mathematical models to predict wave propagation in various contexts such as seismic activity, acoustic transmission, and optical refraction.
• Analyze real-world examples of wave phenomena including mirages, seismic monitoring, and acoustic signals over landscape features.+ Show more

Learning Objectives

• Understand and apply Ohm’s law to analyze circuit behavior.
• Differentiate between series and parallel circuits and their properties.
• Calculate power consumption and energy transfer in resistive elements.+ Show more

Learning Objectives

• Apply significant figures consistently when reporting measured values
• Convert scientific units and check measurements for ambiguity
• Label scientific diagrams using precise terminology+ Show more

Learning Objectives

• Compare ionic, covalent, and metallic bonding using electron-transfer, electron-sharing, and electron-delocalization ideas.
• Predict bond polarity from electronegativity differences and relate bond order and bond energy to bond length and strength.
• Explain ionic lattice energy in terms of electrostatic attraction and how it influences melting point and solubility.+ Show more

Learning Objectives

• Understand the interactions among science, technology, society, and the environment in regional contexts.
• Analyze trade-offs in technological choices considering economic, environmental, and social factors.
• Evaluate historical and current policy decisions through a scientific and societal lens.+ Show more