Grade 12 Science Worksheets

Learning Objectives

• Understand the sources of genetic variation in populations
• Explain how mutations contribute to genetic diversity
• Describe how sexual reproduction reshuffles genetic material+ Show more

Learning Objectives

• Understand the concept of wave-particle duality in quantum physics
• Explain how matter exhibits wave properties such as wavelength and diffraction
• Connect quantum wavefunctions to atomic energy levels and spectral lines+ Show more

Learning Objectives

• Understand the importance of independent and dependent variables in experiment design
• Identify variables within different experimental contexts
• Learn strategies for control, randomization, and replication to ensure valid results+ Show more

Learning Objectives

• Understand key genomic applications such as population sequencing and personalized medicine.
• Identify potential risks and ethical concerns associated with genomic technologies.
• Evaluate the benefits and challenges of interventions like gene drives.+ Show more

Learning Objectives

• Explain the major stages of gene expression (DNA information to RNA to protein) and how timing affects cell function
• Describe how regulation can occur at multiple levels, including transcriptional and post-transcriptional control
• Apply gene expression pathway ideas to predict how different cell types can show different traits

Learning Objectives

• Understand the concepts of displacement, velocity, and acceleration as vector quantities.
• Interpret position–time and velocity–time graphs.
• Apply symbolic kinematic equations for constant acceleration.+ Show more

Learning Objectives

• Identify key natural and anthropogenic drivers of climate variability
• Understand the concept of radiative forcing and feedback mechanisms
• Recognize how ocean heat uptake influences climate change+ Show more

Learning Objectives

• Explain how lipid bilayers and membrane proteins create selective permeability
• Analyze how passive and active transport maintain concentration and electrochemical gradients
• Use quantitative relationships to connect concentration differences, ion gradients, and membrane potential+ Show more

Learning Objectives

• Explain how mutations, meiosis recombination, and sexual reproduction contribute to genetic variation within populations.
• Describe how differences in survival and reproduction (natural selection) change allele frequencies over time.
• Connect genetic mechanisms to how populations evolve.

Learning Objectives

• Understand the importance of multidisciplinary data synthesis in regional environmental challenges.
• Analyze complex biological, chemical, and physical data sets to inform decision-making.
• Develop skills to evaluate uncertainty and assumptions in scientific conclusions.+ Show more

Learning Objectives

• Classify chemical reactions as synthesis, decomposition, single displacement, double displacement, combustion, redox, and acid–base processes.
• Predict likely products of common reaction types and connect the process to how equations are balanced.
• Analyze how stoichiometry and reaction energetics relate to environmental impacts in real-world contexts.

Learning Objectives

• Explain how a star’s mass determines internal pressure, fusion rate, and overall lifespan.
• Describe the major stages of stellar evolution from formation to main sequence to later evolutionary paths.
• Connect observational patterns of luminosity and temperature to the Hertzsprung-Russell (H-R) diagram concept.+ Show more

Learning Objectives

• Explain how qualitative and quantitative models represent relationships suggested by data
• Evaluate whether a model’s predictions align with observed measurements within expected variation
• Identify how model assumptions affect the validity of graphical and functional relationships

Learning Objectives

• Explain how photosynthesis and cellular respiration transform both matter (atoms) and energy (forms) in cells.
• Compare reactants and products of photosynthesis vs. respiration and relate them to ecosystem energy flow.
• Use key vocabulary (e.g., glucose, ATP, CO2, oxygen) to describe the overall pathway logic of both processes.

Learning Objectives

• Explain the stages of scientific inquiry from observation to conclusion and justify why each stage matters.
• Formulate a testable hypothesis using appropriate operational definitions and identify variables in an investigation.
• Apply measurement protocols to evaluate validity and reproducibility, and interpret results with peer review criteria.+ Show more

Learning Objectives

• Understand the differences between science and technology.
• Identify the steps of the scientific method.
• Apply the scientific method to real-world scenarios.+ Show more

Learning Objectives

• Describe the main layers of Earth (crust, mantle, outer core, inner core) and key differences in composition and physical state.
• Explain how seismic waves provide evidence for Earth’s internal structure and boundaries.
• Interpret how density, temperature, and mineral phase changes relate to seismic wave speed variations.

Learning Objectives

• Understand the fundamental concepts of work and energy
• Learn how force and displacement relate through work
• Differentiate between kinetic and potential energy+ Show more

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

• Understand the fundamental concepts of experimental design including control, randomization, blocking, and replication.
• Apply principles of sample size determination, statistical power, and effect size in planning experiments.
• Identify appropriate statistical tests such as ANOVA and regression, and understand their assumptions and interpretation limits.+ Show more

Learning Objectives

• Understand how human resource use affects Earth systems and landscapes.
• Identify environmental consequences of resource extraction and land modification.
• Evaluate trade-offs between economic benefits and environmental sustainability.+ Show more

Learning Objectives

• Understand what gene regulation is and why it is essential in cells.
• Identify the mechanisms that control gene expression.
• Explain how cells with the same DNA can produce different proteins.+ Show more

Learning Objectives

• Understand the principles of stratigraphy and fossil assemblages
• Interpret stratigraphic sequences and correlate fossil evidence
• Learn the basics of radiometric dating and its role in determining Earth’s history+ Show more

Learning Objectives

• Explain the fundamental concepts of nuclear fission and fusion.
• Analyze the principles of chain reactions and critical mass in reactor physics.
• Evaluate applications of nuclear technology in medicine and energy systems.+ Show more

Learning Objectives

• Explain how energy flows through ecosystems and decreases at higher trophic levels.
• Describe the cycling of chemical elements among producers, consumers, and decomposers.
• Analyze the role of food webs in transferring energy and nutrients.+ Show more

Learning Objectives

• Define linear momentum and impulse as conserved quantities in physical systems.
• Explain the difference between elastic and inelastic collisions.
• Apply algebraic and vector methods to relate pre- and post-collision velocities.+ Show more

Learning Objectives

• Explain how stratigraphy, radiometric ages, paleomagnetism, structural relationships, and fossils are combined to reconstruct orogenic and basin histories.
• Use multiple lines of geologic evidence to build a coherent temporal sequence of deformation, magmatism, and sedimentation.
• Evaluate plate-motion models by checking consistency between paleomagnetic rotations, structural timing, and fossil-constrained environments.

Learning Objectives

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

Learning Objectives

• Understand the basic concepts of plate tectonics and Earth's internal structure.
• Identify different types of plate boundaries and their associated geological features.
• Explain the evidence supporting plate movement, such as magnetic patterns and rock ages.+ Show more

Learning Objectives

• Explain how science knowledge and technology choices involve trade-offs among economic, environmental, and social values.
• Evaluate STSE decisions using criteria such as risk, benefit, regulation, and community impacts.
• Use regional examples (e.g., oil sands, urban air quality, Indigenous stewardship) to support evidence-based conclusions.

Learning Objectives

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

Learning Objectives

• Understand the concept of high-resolution genomic data
• Learn how genomic data are used in medicine and conservation
• Recognize the ethical considerations and concerns related to genomics

Learning Objectives

• Interpret stratigraphic sequences and identify unconformities that represent missing geologic time.
• Use fossil assemblages and radiometric age data together to reconstruct relative and absolute Earth history.
• Explain how diagenesis and metamorphic overprinting modify the rock record and can reset isotopic clocks.+ Show more

Learning Objectives

• Understand the importance of evidence and transparency in scientific claims
• Learn how peer evaluation and replication support scientific confidence
• Identify criteria used by scientific communities to evaluate claims+ Show more

Learning Objectives

• Understand and identify the basic principles of relative dating, including superposition and original horizontality.
• Explain how unconformities and fossil assemblages are used in relative dating.
• Construct a basic understanding of how relative timelines are developed in geology.

Learning Objectives

• Explain how energy-balance, circulation, and landscape-evolution models represent coupled Earth processes over different timescales.
• Use model validation and sensitivity ideas to interpret model outputs and compare scenarios.
• Describe how parameter choices and limited resolution can create uncertainty when models use heterogeneous observations.

Learning Objectives

• Understand the interaction between technological development and environmental impact in Alberta's oil sands
• Analyze trade-offs among economic benefits, social values, and ecological concerns
• Examine historical policy decisions and their influence on current infrastructure projects+ Show more

Learning Objectives

• Explain how different types of mutations change DNA sequences and alleles
• Describe the relationship between DNA changes, protein effects, and phenotypic variation
• Evaluate how mutation and natural selection together drive adaptation and evolution under environmental pressures

Learning Objectives

• Understand what proxy records are and how they are used to reconstruct past climates.
• Identify different types of proxy archives such as ice cores, marine sediments, tree rings, and speleothems.
• Interpret isotopic, chemical, and biological indicators used in paleoclimate studies.+ Show more

Learning Objectives

• Explain how measures of center and spread describe variability in data
• Interpret confidence intervals, error bars, and dispersion in context
• Use uncertainty tools (e.g., residuals and residual patterns) to judge evidence strength+ Show more

Learning Objectives

• Explain how wavelength, frequency, amplitude, and wave speed relate to wave behaviour in both mechanical and electromagnetic waves
• Use quantitative relationships to predict how changing conditions affects wave propagation and observed effects
• Describe common wave interactions (reflection, refraction, dispersion) and connect them to real-world phenomena

Learning Objectives

• Identify common evidence that a chemical reaction has occurred (gas, color change, precipitate, and temperature change).
• Explain reaction evidence using particle-level reasoning, including conservation of total atoms.
• Distinguish between exothermic and endothermic processes based on temperature changes.

Learning Objectives

• Explain chemical reactions using the particle reaction model, including bond breaking and bond forming during collisions.
• Connect observable evidence (color change, gas formation, temperature change) to microscopic changes in particle energy and arrangement.
• Use the model to reason about conservation of matter and reaction progress as redistribution of particles and energy.

Learning Objectives

• Explain how genomic technologies are used in population-scale sequencing, personalized medicine, and gene-drive interventions
• Evaluate benefits and risks of genomic applications using biosafety, long-term environmental impact, regulation, and social equity
• Analyze ethical issues related to consent, data ownership, and privacy in genomic data use

Learning Objectives

• Understand the principles of oxidation and reduction including oxidation numbers.
• Apply electron transfer notation and balance redox equations in acidic and basic media.
• Explain the concepts of galvanic and electrolytic cells and relate standard reduction potentials to cell EMF.+ Show more

Learning Objectives

• Explain how heat transfer during chemical reactions is quantified using enthalpy (ΔH).
• Differentiate exothermic and endothermic reactions based on the sign and magnitude of ΔH.
• Use calorimetry and specific heat concepts to relate temperature change to energy change.+ Show more

Learning Objectives

• Identify and describe the components of projectile velocity.
• Understand how initial launch angle affects the projectile's path.
• Explain the independence of horizontal and vertical motions under gravity.+ Show more

Learning Objectives

• Understand the concept of molarity and how to calculate it from experimental data.
• Differentiate between concentration units and convert among them.
• Apply stoichiometric principles to quantitative reaction analysis involving gases and solutions.+ Show more