Grade 12 Science Worksheets

Learning Objectives

• Explain redox processes using oxidation states and electron transfer
• Construct half-reactions for oxidation and reduction processes
• Balance redox reactions using combined half-reactions+ Show more

Learning Objectives

• Understand the principles of rigorous scientific study design including variable management and sampling strategies.
• Apply statistical methods for significance testing, error analysis, and uncertainty characterization in scientific research.
• Develop clear research questions and select appropriate instrumentation for field and laboratory environmental studies.+ Show more

Learning Objectives

• Define and distinguish between different types of energy such as kinetic, potential, and thermal.
• Explain how total mechanical energy can change in systems influenced by non-conservative forces.
• Describe energy transfer during motion, collisions, and deformation.+ Show more

Learning Objectives

• Define ionic bonding and explain how electrons are transferred between atoms.
• Identify ionic bonds in various chemical compounds.
• Understand the role of electrostatic attraction in ionic lattices.+ Show more

Learning Objectives

• Explain the principles of simple harmonic motion and sinusoidal models.
• Apply concepts of natural frequency, phase, and energy exchange in oscillatory systems.
• Analyze the link between amplitude, period, damping, and resonance phenomena.

Learning Objectives

• Explain how mutation, natural selection, genetic drift, and gene flow influence allele frequencies over time.
• Describe the role of environmental pressures in shaping phenotypic variation and adaptation.
• Identify examples of evolutionary forces in Alberta's ecosystems and agriculture.+ Show more

Learning Objectives

• Explain how plate motion is driven by internal heat and mantle convection.
• Differentiate convergent, divergent, and transform boundaries using geologic evidence.
• Interpret evidence such as matching rock ages and magnetic patterns to support seafloor spreading models.+ Show more

Learning Objectives

• Identify the limiting reagent using stoichiometric ratios.
• Calculate theoretical yield from the limiting reagent.
• Compute percent yield from practical and theoretical amounts.+ Show more

Learning Objectives

• Explain how thermohaline circulation and wind-driven circulation move heat and nutrients across the global ocean.
• Describe surface gyres, coastal upwelling, and the meridional overturning circulation as linked mechanisms for transport.
• Connect salinity, density stratification, and mixing processes to carbon sequestration and biogeochemical cycling.+ Show more

Learning Objectives

• Understand the concept of heat transfer between systems and surroundings
• Identify different processes of heat transfer, including conduction, convection, and radiation
• Apply calorimetry principles to determine heat exchange in physical and chemical changes+ Show more

Learning Objectives

• Explain what atomic radius is and how it varies across the periodic table.
• Identify the pattern of atomic radius change within periods and down groups.
• Describe the significance of periodic trends in predicting element properties.

Learning Objectives

• Explain how internal heat and mantle convection drive plate motion
• Identify processes associated with convergent plate boundaries
• Identify processes associated with divergent and transform boundaries+ Show more

Learning Objectives

• Explain how different climate models represent physical processes using energy-balance, radiative-convective, and general circulation frameworks.
• Describe key sources of uncertainty in climate projections, including parameterized radiative transfer, cloud feedbacks, and ocean–atmosphere coupling.
• Interpret how model validation uses paleoclimate proxies, instrumental records, and sensitivity experiments to test forcings and feedback strengths.

Learning Objectives

• Classify substances as primarily ionic, covalent, or metallic
• Explain electron transfer, sharing, and delocalization in bonding
• Predict melting point, conductivity, and solubility trends+ Show more

Learning Objectives

• Define key wave parameters such as wavelength, frequency, amplitude, period, and propagation speed.
• Distinguish between transverse and longitudinal waves with real-world examples.
• Explain superposition, interference, and dispersion in wave behavior.+ Show more

Learning Objectives

• Explain how rock layering and fossil evidence create a relative timeline of Earth’s history.
• Describe how radiometric dating uses isotopes to estimate absolute ages of rocks.
• Compare relative dating and absolute dating and interpret what they reveal about Earth system changes over time.

Learning Objectives

• Define plate tectonics and its significance in geology.
• Identify different types of plate boundaries: divergent, convergent, and transform.
• Describe geological features associated with each boundary type.+ Show more

Learning Objectives

• Understand the mechanisms leading to the formation of new species.
• Identify key evidence used to trace speciation events.
• Differentiate between geographic isolation, ecological divergence, and chromosomal changes in speciation.

Learning Objectives

• Identify the different types of electromagnetic waves and their order in the spectrum.
• Understand the key properties of electromagnetic waves: frequency, wavelength, and energy.
• Relate the spectrum regions to their practical applications in communication and technology.

Learning Objectives

• Understand the fundamental principles of the photoelectric effect and its relation to quantum mechanics.
• Analyze how photon energy and work function influence electron emission in photoelectric experiments.
• Interpret experimental data such as threshold frequency, stopping potential, and photon flux in the context of particle-like light behavior.+ Show more

Learning Objectives

• Explain the concept of energy stored in electrical fields and magnetic fields.
• Calculate energy density for electrostatic and magnetic fields.
• Describe how capacitors and inductors store and release energy in circuits.+ Show more

Learning Objectives

• Explain how genetic drift, gene flow, and natural selection can change allele frequencies in populations
• Describe how population size and chance can lead to random fixation or loss of alleles
• Compare how migration and interbreeding (gene flow) affect relatedness among populations+ Show more

Learning Objectives

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

Learning Objectives

• Understand the mole concept and its significance in chemical calculations.
• Calculate molar masses of various substances.
• Apply mass-mole conversions in balancing chemical equations.+ Show more

Learning Objectives

• Explain how gravity and motion determine predictable orbital paths
• Relate orbital period to distance using gravity-based models
• Relate orbital speed to orbital distance in different systems+ Show more

Learning Objectives

• Understand key principles of environmental network design and data collection.
• Identify indicators and methods used in environmental monitoring across Alberta.
• Explain the importance of data quality assurance and long-term trend detection.+ Show more

Learning Objectives

• Understand how mutation, natural selection, genetic drift, and gene flow affect allele frequencies over time.
• Explain the role of selection and drift in producing adaptation and diversity in populations.
• Relate the mechanisms of evolution to real-world examples, including range shifts and pest adaptations.+ Show more

Learning Objectives

• Explain how changes in incoming solar energy and outgoing infrared heat drive Earth’s climate over long timescales
• Compare the roles of greenhouse gases, aerosols, and volcanic particles in the Earth’s energy balance
• Describe how natural variability (e.g., El Niño) and long-term orbital changes redistribute energy around the planet+ Show more

Learning Objectives

• Understand the concept of speciation and its role in evolution
• Identify different mechanisms of speciation including geographic isolation, ecological divergence, and chromosomal changes
• Recognize evidence for speciation from phylogenetic trees and fossil records+ Show more

Learning Objectives

• Identify the components of an atom and their subatomic particles.
• Describe the basic structure of the atom, including the nucleus and electron cloud.
• Understand the concept of energy levels and electron orbitals.+ Show more

Learning Objectives

• Identify claims, evidence, and reasoning in scientific arguments
• Detect missing links between data patterns and conclusions
• Evaluate whether uncertainty is addressed in scientific claims+ Show more

Learning Objectives

• Explain how apparent brightness, angular size, and distance are connected in astrophysical measurements
• Identify how parallax, standard candles, and redshift are used to estimate distances across the cosmic distance ladder
• Interpret how light-travel time affects the time period represented by observations of distant objects+ Show more

Learning Objectives

• Compare historical and modern atomic models using subatomic particle evidence
• Explain electron orbital probabilities in relation to atomic behavior
• Apply isotope and nuclear decay concepts to dating contexts+ Show more

Learning Objectives

• Define the mole concept and understand its significance in chemical calculations.
• Calculate molar masses and perform mass-to-mole conversions.
• Apply balanced chemical equations to determine reactant and product quantities.+ Show more

Learning Objectives

• Analyze complex regional challenges using multi-criteria decision frameworks.
• Synthesize biological, chemical, and physical data for evidence-based conclusions.
• Apply quantitative reasoning and uncertainty analysis in scientific decision-making.+ Show more

Learning Objectives

• Explain how electronegativity differences produce bond dipoles
• Predict molecular polarity using electronegativity and molecular shape
• Relate polarity to intermolecular forces and solubility+ Show more

Learning Objectives

• Understand how reactant concentration affects collision frequency
• Explain the relationship between temperature and reaction rate
• Describe how surface area influences particle interactions+ Show more

Learning Objectives

• Understand the basic principles of plate tectonics and their geological features.
• Identify different types of plate boundaries and associated landforms.
• Interpret seismic and geological evidence to reconstruct past plate movements.+ Show more

Learning Objectives

• Explain how weathering and erosion work together to reshape Earth’s surface
• Describe how transport sorts sediments and how that sorting can be used as evidence
• Interpret landforms and rock/sediment layers to connect surface change to deeper geologic processes

Learning Objectives

• Explain how Le Chatelier’s principle predicts shifts in chemical equilibrium when concentrations, pressure, or temperature change.
• Identify how gas-phase mole ratios and pressure changes affect equilibrium direction.
• Distinguish the effects of temperature changes on equilibrium constants and the role of reaction enthalpy.+ Show more

Learning Objectives

• Explain how changing electric and magnetic fields produce electromagnetic wave propagation.
• Use relationships among frequency, wavelength, and photon energy to analyze electromagnetic spectrum categories.
• Apply quantitative wave ideas (impedance, intensity, attenuation) to communication scenarios.

Learning Objectives

• Explain how changing magnetic flux produces an induced emf using Faraday’s law and Lenz’s law
• Predict the direction of induced current by applying Lenz’s law
• Solve or interpret quantitative relationships involving induced emf, flux linkage, and turns

Learning Objectives

• Explain how half-life relates to exponential radioactive decay
• Calculate activity using radioactive decay laws
• Determine remaining nuclei after a specified decay time+ Show more

Learning Objectives

• Explain how iterative design cycles use criteria, constraints, and evidence to refine a prototype
• Describe how comparisons between expected and observed results guide design decisions
• Apply iterative reasoning to a real engineering scenario involving trade-offs

Learning Objectives

• Explain how sediment grain size, composition, and fossil content can be used to interpret past environmental conditions.
• Compare fluvial, marine, glacial, and aeolian sediment patterns and relate them to transport energy and climate variability.
• Use isotopic ratios and organic/mineral proxies to infer changes in water chemistry, biological productivity, and past sea level.+ Show more

Learning Objectives

• Understand how statistical tools and measures of uncertainty strengthen scientific claims.
• Describe central tendency and spread as measures of data variability.
• Explain confidence statements and their role in linking observed data to population ranges.+ Show more

Learning Objectives

• Explain relationships among photon energy, work function, and kinetic energy
• Determine threshold frequency from photoelectric-effect relationships
• Interpret stopping potential using conservation of energy+ Show more

Learning Objectives

• Explain how changing magnetic flux induces electromotive force.
• Use Lenz’s law to predict induced current direction.
• Calculate induced emf using Faraday’s law.+ Show more