Grade 12 Science Worksheets

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

• Understand how heritable traits contribute to adaptation in different environments.
• Identify examples of natural selection leading to adaptation.
• Explain the process of genetic variation influencing evolution.+ Show more

Learning Objectives

• Explain how laminar and turbulent flow affect river and groundwater movement in Alberta contexts
• Apply continuity and Bernoulli ideas to predict how pressure, speed, and flow rate relate in real systems
• Use scaling and dimensional analysis reasoning to connect lab observations to field-scale fluid behavior+ Show more

Learning Objectives

• Understand the basic components of ecosystems including producers, consumers, decomposers, and trophic levels.
• Describe the role of producers in capturing energy from the environment.
• Explain how energy flows through different trophic levels and why it decreases at higher levels.+ Show more

Learning Objectives

• Define what constraints are in engineering design.
• Identify various types of engineering constraints in real-world problems.
• Explain the importance of criteria in guiding engineering solutions.+ Show more

Learning Objectives

• Explain the Hardy-Weinberg principle as a null model for detecting evolutionary change in populations.
• Calculate expected genotype frequencies from allele frequencies using p^2, 2pq, and q^2.
• Identify how violations of Hardy-Weinberg assumptions (selection, migration, mutation, nonrandom mating, small population size) can change genotype frequencies.

Learning Objectives

• Explain how parallax is used to determine distances to nearby stars.
• Use the relationship between apparent brightness and intrinsic luminosity to infer distance using standard candles.
• Interpret redshift as evidence of cosmic expansion and relate it to lookback time and distance-scale thinking.+ Show more

Learning Objectives

• Understand the principles of valence-shell electron-pair repulsion (VSEPR)
• Identify basic molecular geometries based on electron pairs
• Learn how hybridization influences molecular shape+ Show more

Learning Objectives

• Understand the principle of energy conservation in closed systems
• Identify how energy changes form and moves between systems
• Explain heat transfer and work as mechanisms of energy flow+ Show more

Learning Objectives

• Understand the scientific mechanisms of battery degradation and chemistry.
• Analyze how lifecycle assessment influences engineering decisions.
• Evaluate the environmental impacts of battery recycling and disposal.+ Show more

Learning Objectives

• Use sign conventions to describe one-dimensional motion with displacement, velocity, and acceleration as vector quantities.
• Interpret position–time and velocity–time graphs by relating slope and area to physical meaning.
• Apply constant-acceleration kinematic equations to solve for quantities in one dimension.+ Show more

Learning Objectives

• Explain how grain size, composition, and fossil content in sedimentary deposits reflect past water motion, climate, and life.
• Compare fluvial, marine, glacial, and aeolian sediments in terms of transport energy and environmental conditions.
• Describe how isotopic ratios, organic biomarkers, and mineral assemblages function as proxies for past environments.+ Show more

Learning Objectives

• Understand the importance of operational definitions in scientific measurements
• Identify different units and their standardization
• Recognize common sources of measurement error and methods for calibration+ Show more

Learning Objectives

• Explain how the Earth’s energy balance is influenced by incoming solar radiation and outgoing energy.
• Describe how absorption, reflection, and heat transfer processes (radiation, conduction, convection) affect surface and atmospheric temperatures.
• Analyze how Earth’s tilt and rotation contribute to seasonal and latitude-based differences in solar heating.+ Show more

Learning Objectives

• Explain matter-wave duality using the idea that particles have wave-like behavior.
• Connect quantum wavefunctions to diffraction, interference, and probability density.
• Describe how quantized energy levels lead to spectral lines in atoms.+ Show more

Learning Objectives

• Explain how reflection and refraction happen when waves meet boundaries between different media.
• Describe how changes in wave speed lead to bending during refraction while frequency is preserved.
• Use concepts of impedance mismatch and refractive index to predict wave behavior for light and sound.

Learning Objectives

• Explain chemical equilibrium as a dynamic balance between forward and reverse reaction rates.
• Use reaction quotient Q and equilibrium constant K to predict reaction directionality.
• Connect concentration and pressure expressions to how systems respond to perturbations.

Learning Objectives

• Explain how radiative forcing is linked to changes in the Earth’s energy balance.
• Distinguish greenhouse gas sources and sinks and interpret concentration time-series data.
• Analyze how aerosols and stratospheric ozone chemistry influence climate and air quality.

Learning Objectives

• Explain how erosion involves detachment, transport, and deposition across Earth surface processes.
• Compare erosion agents (water, ice, wind, and gravity) and how they form different landforms.
• Analyze how climate, vegetation cover, and tectonic uplift influence erosion rates and sediment supply.

Learning Objectives

• Understand the components and roles of different organisms in ecosystems
• Explain how energy flows through ecosystems in one direction and decreases
• Describe how matter cycles among producers, consumers, and decomposers+ Show more

Learning Objectives

• Understand the concept of probabilistic models in scientific phenomena.
• Differentiate between frequentist and Bayesian perspectives.
• Interpret prior, likelihood, and posterior in probabilistic analysis.+ Show more

Learning Objectives

• Differentiate between measured reserves and inferred resources in mineral and energy assessment.
• Explain how geological mapping, geophysical surveys, and geochemical data constrain deposit occurrence and grade.
• Analyze how extraction choices and environmental factors (water use, waste, and greenhouse gases) affect overall resource sustainability.+ Show more

Learning Objectives

• Describe the large-scale atmospheric circulation patterns including Hadley, Ferrel, and polar cells.
• Explain how thermal gradients and Coriolis effects influence pressure systems, storm tracks, and precipitation.
• Interpret circulation diagrams, pressure maps, and potential vorticity to understand weather regimes and climate shifts.+ Show more

Learning Objectives

• Explain how matter moves through ecosystems via biogeochemical cycles connecting atmospheric, aquatic, and soil reservoirs.
• Describe the carbon cycle using photosynthesis, respiration, and decomposition.
• Describe key steps in the nitrogen cycle: nitrogen fixation, nitrification, assimilation, and denitrification.+ Show more

Learning Objectives

• Explain how historical atomic models changed as new experimental evidence became available.
• Use cathode ray observations, Rutherford scattering, and Bohr’s spectral evidence to justify modern ideas about charge and electrons.
• Differentiate isotopes, nuclear charge, and mass number, and connect these ideas to mass spectrometry results.

Learning Objectives

• Explain how work depends on force magnitude and the angle between force and displacement.
• Calculate or interpret work and power using correct units (joules and watts).
• Distinguish between work (energy transfer) and power (rate of energy transfer) in real situations.

Learning Objectives

• Understand the importance of proper attribution and data provenance in scientific research.
• Identify criteria for authorship and ways to avoid plagiarism through correct citation practices.
• Learn about data archiving, persistent identifiers like DOIs, and open data standards to ensure reproducibility.+ Show more

Learning Objectives

• Explain the structure of DNA and how it encodes genetic information.
• Describe the process of base pairing and its significance in DNA stability.
• Understand how DNA sequences are read to produce proteins through transcription and translation.+ Show more

Learning Objectives

• Understand the concept of vectors and their components in motion
• Interpret vector quantities like displacement, velocity, and acceleration
• Apply vector decomposition and parametric equations to analyze projectile motion+ Show more

Learning Objectives

• Explain equilibrium using the concept of net force being zero and relate it to acceleration
• Apply vector reasoning to determine when multiple forces balance in magnitude and direction
• Interpret real-world equilibrium examples such as tension supporting weight and steady motion

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

Learning Objectives

• Explain how weathering and erosion work together to reshape Earth’s surface.
• Describe how sediment transport sorts material by size and density.
• Use landforms and sediment/rock records as evidence for past erosion and geologic change.+ Show more

Learning Objectives

• Explain how vectors, restriction enzymes, and DNA ligase work together to build recombinant DNA constructs
• Identify key steps in plasmid cloning, restriction mapping, and genome editing for targeted genetic modification
• Analyze how recombinant DNA methods support canola trait development and molecular diagnostics while considering ethics and regulation

Learning Objectives

• Understand the principles of stratigraphy and layering.
• Interpret stratigraphic sequences and fossil assemblages.
• Analyze radiometric age data to reconstruct Earth's history.+ Show more

Learning Objectives

• Understand the types of seismic activity associated with different tectonic boundaries.
• Identify various focal depths and their significance in tectonic processes.
• Interpret seismic tomographic images to analyze fault orientations and subsurface heterogeneity.+ Show more

Learning Objectives

• Understand mechanisms such as natural selection, genetic drift, gene flow, and mutation that alter allele frequencies in populations.
• Analyze case examples of phenotypic shifts and quantitative models relating fitness differences to frequency change.
• Evaluate evidence from morphology, molecular markers, and experimental populations to explain evolutionary patterns.+ Show more

Learning Objectives

• Understand the concepts of displacement, velocity, and acceleration as vector quantities.
• Interpret position–time and velocity–time graphs in the context of one-dimensional motion.
• Apply symbolic kinematic equations for constant acceleration to solve problems.+ Show more

Learning Objectives

• Explain how gravity influences the formation and evolution of large-scale cosmic structures.
• Describe the observational evidence supporting gravitational organization of matter in the universe.
• Analyze the relationship between motion, interactions, and the growth of galaxies over cosmic timescales.+ Show more

Learning Objectives

• Understand the concept of gene regulation and its importance in cellular function.
• Identify different mechanisms of gene regulation such as transcription factors and RNA modifications.
• Explain how gene regulation allows different cell types to produce diverse proteins despite sharing the same DNA.

Learning Objectives

• Understand the principles of light reflection and how it allows us to see objects.
• Identify different types of surface reflections and their effects.
• Explain how reflection influences the design of optical devices.+ Show more

Learning Objectives

• Explain how simple harmonic motion links amplitude, period, phase, and natural frequency to sinusoidal motion.
• Use mass–spring and pendulum models to analyze energy exchange and how damping affects oscillations.
• Interpret resonance and apply harmonic motion ideas to real measurement systems such as seismographs.

Learning Objectives

• Use Coulomb’s law to determine the magnitude and direction of electric force between point charges.
• Explain how the electric field relates to force per unit positive test charge and how fields superpose.
• Differentiate electric potential and electric potential energy and apply them to energy bookkeeping for charge configurations.

Learning Objectives

• Understand the processes of transcription and translation in gene expression.
• Identify regulatory mechanisms such as promoters, enhancers, and epigenetic modifications.
• Explain the significance of post-transcriptional processes like alternative splicing and RNA interference.+ Show more

Learning Objectives

• Use constant-acceleration kinematic equations to relate position, velocity, and time.
• Interpret changes in motion using velocity–time and position–time graphs.
• Connect initial conditions to how trajectories evolve in uniform acceleration.

Learning Objectives

• Explain how birth, death, immigration, and emigration change population size and composition over time
• Interpret exponential vs. logistic growth and relate logistic growth to carrying capacity
• Distinguish between density-dependent and density-independent factors in population change+ Show more

Learning Objectives

• Understand the basic principles of Kepler’s laws of planetary motion
• Identify how observations of planetary systems support Kepler’s laws
• Explain the relationship between orbital periods and distances+ Show more

Learning Objectives

• Understand the key atmospheric processes influencing climate and air quality.
• Interpret observational data such as concentration time series and emission inventories.
• Identify the roles of radiative forcing, greenhouse gases, aerosols, and ozone chemistry in climate systems.+ Show more