Grade 12 Science Worksheets

Learning Objectives

• Understand the concept of atomic radius and how it varies across the periodic table.
• Identify patterns in atomic size across periods and down groups.
• Explain the reasons behind the trends in atomic radius.+ Show more

Learning Objectives

• Calculate wavelength, frequency, amplitude, and wave speed
• Interpret quantitative relationships among fundamental wave quantities
• Explain how boundary conditions affect observable wave behaviour+ Show more

Learning Objectives

• Explain how parallax provides a geometric distance scale for nearby stars and why it fails for distant objects.
• Use the ideas of standard candles, apparent brightness, and the inverse-square law to infer cosmic distances.
• Interpret redshift as an indicator linked to distance through the expansion of the universe.+ Show more

Learning Objectives

• Understand the main ecosystem processes including productivity, decomposition, and nutrient cycling.
• Describe biogeochemical cycles of carbon, nitrogen, and phosphorus and their links to organisms and Earth's systems.
• Apply Alberta-specific examples of ecosystem processes to real-world environmental scenarios.+ Show more

Learning Objectives

• Explain how axes, scales, and units affect graph interpretation
• Identify meaningful relationships and random scatter in plotted data
• Interpret slope, intercept, and curvature in a trend line+ Show more

Learning Objectives

• Understand the fundamental principles of electric circuits including Ohm's law, series and parallel networks.
• Apply circuit analysis rules such as Kirchhoff's laws to solve complex circuits.
• Analyze the energy transfer, impedance, and power considerations in resistive and real-world systems.+ Show more

Learning Objectives

• Explain the principle of electromagnetic induction as formulated by Faraday's law.
• Describe how changing magnetic flux induces electromotive forces in conductors.
• Understand the effects of relative motion between conductors and magnetic fields.+ Show more

Learning Objectives

• Explain how energy flow into or out of a system changes particle motion and intermolecular interactions to produce temperature changes.
• Differentiate exothermic and endothermic processes using conservation of energy and changes in particle-level potential energy.
• Interpret calorimetry and heat-transfer relationships to connect temperature change to energy transfer.

Learning Objectives

• Explain how relative dating methods (rock layering, stratigraphic correlation, and index fossils) build a timeline of Earth history.
• Describe how radiometric/isotope dating provides absolute ages and how uncertainties are interpreted.
• Analyze how changes in Earth systems (atmosphere, oceans, and life) connect to events across geological time, including mass extinctions and glaciations.

Learning Objectives

• Explain reaction rates using collision theory and the activated complex model
• Predict how concentration, temperature, surface area, and catalysts affect reaction rate
• Determine or interpret reaction orders and rate laws from kinetic observations+ Show more

Learning Objectives

• Explain how trophic relationships transfer energy through trophic levels and limit food-chain length
• Describe how keystone species and trophic cascades can reshape community structure
• Connect biogeochemical cycles to nutrient availability and ecosystem productivity+ Show more

Learning Objectives

• Understand the concept of natural selection and how environmental pressures influence evolution.
• Identify different patterns of selection such as directional, stabilizing, and disruptive selection.
• Analyze real-world examples like antibiotic resistance to illustrate rapid natural selection.+ Show more

Learning Objectives

• Understand the purpose of models in scientific and engineering contexts.
• Identify different types of models used in science, such as diagrams, scaled models, and physics-based representations.
• Recognize how constraints like materials, power, and time influence modeling decisions.+ Show more

Learning Objectives

• Explain constructive and destructive interference using superposition
• Predict net displacement using wave phase and amplitude
• Describe nodal and antinodal patterns from boundary conditions+ Show more

Learning Objectives

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

Learning Objectives

• Explain how technology choices affect efficiency, safety, sustainability, and reliability in real-world systems.
• Evaluate trade-offs among efficiency, safety, sustainability, and reliability when selecting or upgrading technology.
• Use evidence-based reasoning to justify technology decisions for systems operating under real conditions.

Learning Objectives

• Explain how photon energy depends on frequency using E = hf and interpret what changing frequency does to photon energy.
• Use the photoelectric effect to justify quantized energy exchange between light and matter.
• Describe threshold frequency and work function and connect them to whether electrons are emitted.+ Show more

Learning Objectives

• Describe the main types of biogeochemical cycles and their significance.
• Explain how elements like carbon, nitrogen, and phosphorus move through ecosystems.
• Identify human impacts on biogeochemical cycles and their long-term effects.+ Show more

Learning Objectives

• Represent displacement, velocity, and acceleration with motion vectors
• Decompose two-dimensional motion into horizontal and vertical components
• Use parametric equations to predict projectile position over time+ Show more

Learning Objectives

• Distinguish measurement error, sampling variability, and model uncertainty in real monitoring data.
• Use uncertainty ideas to interpret confidence intervals and non-significant results.
• Apply the logic of hypothesis testing and propagation of uncertainty to support scientifically defensible conclusions.

Learning Objectives

• Understand the use of phasor representation in analyzing AC circuits.
• Calculate impedance, reactance, and phase relationships in resistive, inductive, and capacitive networks.
• Apply power formulas including real, reactive, and apparent power, and evaluate power factor in AC circuits.+ Show more

Learning Objectives

• Understand the main types of evolutionary forces: mutation, natural selection, genetic drift, and gene flow.
• Identify how these forces influence allele frequencies in populations.
• Recognize examples of evolutionary processes in real-world scenarios.+ Show more

Learning Objectives

• Explain how operational definitions make measurements consistent
• Identify common sources of measurement error
• Describe how calibration and protocols reduce measurement error+ Show more

Learning Objectives

• Understand trophic relationships and energy flow in ecosystems
• Identify key species and their influence on community structure
• Describe biogeochemical cycles and their role in ecosystem productivity+ Show more

Learning Objectives

• Explain how biological nutrient cycles, chemical speciation, and physical transport interact to create emergent environmental outcomes.
• Use integrated cross-disciplinary reasoning to interpret complex regional phenomena in Alberta landscapes.
• Apply systems thinking to propose management-relevant predictions and trade-offs for real environmental cases.

Learning Objectives

• Explain how births, deaths, immigration, and emigration change population size
• Differentiate exponential and logistic population growth
• Interpret carrying capacity in population growth models+ Show more

Learning Objectives

• Understand the key processes that drive ecosystem productivity, including primary productivity, decomposition, and nutrient cycling.
• Identify biogeochemical cycles of carbon, nitrogen, and phosphorus and their roles in linking organisms to soils, atmosphere, and water bodies.
• Explore Alberta-specific examples such as peatland carbon sequestration, boreal fire effects on nutrient release, and agricultural soil management impacts.+ Show more

Learning Objectives

• Understand the key techniques used in recombinant DNA methods such as cloning, restriction mapping, and genome editing.
• Identify the roles of vectors, restriction enzymes, and ligases in genetic engineering.
• Explore applications of recombinant DNA technology in agriculture and diagnostics.+ Show more

Learning Objectives

• Understand key concepts of energy efficiency and loss pathways.
• Identify how insulation, surface area, and control systems influence energy efficiency.
• Analyze real-world examples like solar-thermal collectors to explain energy conversion and losses.

Learning Objectives

• Understand the different types of genetic mutations and their mechanisms.
• Identify the effects mutations can have on gene functions and organism traits.
• Analyze how mutational outcomes influence agriculture, livestock, and pathogen variation.+ Show more

Learning Objectives

• Explain how evolutionary forces change allele frequencies over generations
• Differentiate selection effects from genetic drift in small populations
• Interpret how adaptation and diversity arise in changing environments+ 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

• Explain how relative dating determines the order of geological events using key principles.
• Interpret unconformities and fossil assemblages to build relative timelines.
• Use cross-cutting relationships to infer which geologic event happened first.

Learning Objectives

• Explain how primary productivity and decomposition drive energy flow and matter turnover in ecosystems.
• Describe how biogeochemical cycles connect organisms with the atmosphere, hydrosphere, and soil.
• Interpret how land-use change and climate variability can alter nutrient availability and ecosystem resilience.

Learning Objectives

• Describe the electromagnetic spectrum and identify different types of waves based on frequency and wavelength.
• Explain the relationship between energy, frequency, and wavelength in electromagnetic radiation.
• Apply Maxwell's concepts to understand wave propagation and calculate wave impedance and attenuation.+ Show more

Learning Objectives

• Explain how predation, competition, mutualism, and parasitism influence population sizes in an ecosystem
• Describe how energy transfer forms food webs and why changes in one species can cascade through trophic levels
• Interpret ecosystem outcomes using the concepts of symbiotic relationships and interaction networks

Learning Objectives

• Understand the principles of reflection and refraction in geometric optics.
• Apply Snell’s law to calculate light paths through lenses and interfaces.
• Explain how ray models predict image formation in optical systems.+ Show more

Learning Objectives

• Understand the main surface features observed on Mars via remote sensing.
• Analyze different types of planetary surface processes such as cratering, volcanic activity, and erosion.
• Interpret remote sensing data and relate it to planetary geologic history.+ Show more

Learning Objectives

• Explain the mechanisms of lithospheric dynamics including mantle convection and isostasy.
• Identify different types of plate boundaries and their surface geology effects.
• Describe the evidence used to reconstruct Earth's geologic history and crustal change rates.+ Show more

Learning Objectives

• Understand the purpose of phylogenetic trees in representing evolutionary relationships.
• Identify the basic structure and components of phylogenetic trees.
• Recognize how molecular and morphological data are integrated in tree construction.+ Show more

Learning Objectives

• Understand the concept of electron transfer in redox reactions
• Identify oxidation states and balance redox half-reactions
• Apply principles of electron flow to predict products in electrochemical processes+ Show more

Learning Objectives

• Understand the processes of transcription and translation involved in gene expression.
• Identify the roles of regulatory elements such as promoters, enhancers, and repressors.
• Explain how epigenetic modifications influence gene activity.+ Show more

Learning Objectives

• Identify the different trophic levels in an ecosystem.
• Understand how energy flows through a food chain.
• Recognize the concept of keystone species and their importance.+ Show more

Learning Objectives

• Describe the key structural features of DNA, including nucleotide composition and base pairing.
• Explain how the phosphodiester backbone and hydrogen bonding contribute to DNA stability.
• Connect DNA structure to conserved molecular architecture across organisms.

Learning Objectives

• Understand the basic concepts of climate modeling
• Identify different approaches used in climate and atmospheric modeling
• Recognize the importance of model validation and feedback mechanisms

Learning Objectives

• Identify and describe different types of chemical reactions including synthesis, decomposition, single and double displacement, combustion, redox, and acid–base reactions.
• Predict products and balance chemical equations for various reaction pathways.
• Understand the energetics and environmental impacts associated with reaction types.+ Show more

Learning Objectives

• Understand the processes involved in the rock cycle, including melting, crystallization, weathering, erosion, transport, deposition, and burial.
• Describe how surface and deep Earth processes transform rocks and record environmental conditions.
• Explain the interconnectedness of the lithosphere, hydrosphere, atmosphere, and biosphere in shaping Earth's landscape over geological time.

Learning Objectives

• Explain how the atomic nucleus and electron cloud relate to proton number, electron arrangement, and atomic identity.
• Use quantum numbers to describe subshells, orbital orientation, and electron placement in atoms.
• Determine electron configurations and predict valence electrons to explain trends in bonding, ion formation, and periodic properties.