Grade 12 Science Worksheets

Learning Objectives

• Understand the basic concepts of reaction rate and collision theory.
• Identify factors influencing the speed of chemical reactions.
• Interpret the role of catalysts, temperature, concentration, and surface area in reactions.+ Show more

Learning Objectives

• Explain how redshift in galaxy spectra supports the idea that space is expanding
• Interpret the relationship between distance and redshift using cosmological reasoning
• Evaluate how multi-wavelength and large-scale structure observations constrain models of cosmic evolution

Learning Objectives

• Understand the principles of electron configuration and orbital filling order.
• Identify the orbitals filled in different elements based on quantum numbers.
• Apply Hund’s rule and recognize exceptions in transition elements.+ Show more

Learning Objectives

• Identify different types of plate boundaries
• Understand how tectonic forces shape Earth's surface
• Explain evidence supporting plate tectonics

Learning Objectives

• Understand the structure of evidence-based scientific arguments
• Identify claims, warrants, and backing in scientific texts
• Analyze case studies related to species distribution and atmospheric CO2+ Show more

Learning Objectives

• Explain the concept of homeostasis and its importance in maintaining stable internal conditions.
• Describe how feedback mechanisms, particularly negative feedback, regulate variables such as temperature and blood chemistry.
• Identify signals like hormones and neural pathways involved in homeostatic regulation.+ Show more

Learning Objectives

• Frame a senior design research question and define measurable variables for field or laboratory testing.
• Apply controlled comparisons by managing variables and choosing appropriate instrumentation for air or water monitoring.
• Use statistical reasoning to assess significance, quantify error/uncertainty, and document reproducible, ethical data handling.

Learning Objectives

• Explain how models connect processes across molecular, cellular, genetic, population, and ecosystem levels.
• Interpret coupled differential equations and network models to trace energy and information flows.
• Evaluate how model assumptions and parameter choices influence predictions.

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

• Understand the fundamental concepts of reaction rate and collision theory.
• Describe how molecules interact and how factors influence the speed of reactions.
• Familiarize with the concepts of activation energy and rate laws in kinetics.+ Show more

Learning Objectives

• Understand the differences between science and technology.
• Learn how scientific methods support technological advancements.
• Identify examples of how science informs technological development.+ Show more

Learning Objectives

• Understand the basic concepts of erosion and its causes
• Identify different processes involved in erosion such as water, ice, wind, and gravity
• Recognize how erosion shapes landscapes and influences Earth systems+ Show more

Learning Objectives

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

Learning Objectives

• Understand the concept of scaling and its importance in scientific modeling.
• Identify how dimensional analysis aids in comparing different physical systems.
• Recognize examples of scaling phenomena such as diffusion, advection, and metabolic scaling.+ Show more

Learning Objectives

• Explain how genetic information in DNA is converted into messenger RNA through transcription
• Describe how ribosomes use mRNA codons to assemble amino acids during translation
• Connect changes in DNA sequence to potential changes in protein structure and cell function+ Show more

Learning Objectives

• Interpret and analyze standard enthalpies of formation.
• Calculate reaction enthalpies using tabulated formation data.
• Apply Hess's law to decompose complex reactions into simpler steps.+ Show more

Learning Objectives

• Explain SI units and why they matter for comparing data across locations and time
• Distinguish accuracy, precision, systematic error, and random error using measurement scenarios
• Describe why calibration, traceability, and documentation improve the credibility of long-term monitoring+ Show more

Learning Objectives

• Explain how greenhouse gases affect Earth’s energy budget by interacting with visible and infrared radiation
• Describe radiative forcing and why changes in greenhouse gas concentrations lead to temperature shifts
• Analyze how feedbacks can amplify or dampen climate change

Learning Objectives

• Identify homologous structures in different species.
• Understand how homologous structures support the theory of common ancestry.
• Recognize patterns of shared characteristics among organisms.+ Show more

Learning Objectives

• Understand the concept of radioactive decay and half-life.
• Calculate decay constants and half-lives from decay data.
• Analyze decay curves and interpret their significance.+ Show more

Learning Objectives

• Understand the concept of radioactive decay and half-life.
• Explain how decay rates are used to determine the age of rocks.
• Identify key isotopes involved in radiometric dating methods.+ Show more

Learning Objectives

• Understand the concept of trade-offs in engineering systems
• Analyze how improvements in one system feature can impact other features
• Apply cost-benefit reasoning including long-term effects+ Show more

Learning Objectives

• Differentiate between frequentist and Bayesian probability interpretations.
• Describe how prior knowledge, likelihood, and posterior beliefs are combined in Bayesian reasoning.
• Identify applications of probabilistic frameworks in scientific phenomena such as radioactive decay and epidemiology.

Learning Objectives

• Use principal, azimuthal (angular momentum), magnetic, and spin quantum numbers to describe electron states in atoms.
• Apply the Aufbau principle, Pauli exclusion principle, and Hund’s rule to build orbital diagrams and write standard electron configurations.
• Explain how photoelectron spectroscopy supports the energy-level model and why anomalous configurations occur for certain transition metals.

Learning Objectives

• Understand the components of Earth's atmosphere and their roles in weather formation.
• Identify how atmospheric interactions influence climate patterns.
• Recognize the significance of atmospheric and oceanic exchanges in maintaining Earth's climate balance.

Learning Objectives

• Understand the basic concepts of galaxy formation
• Explain how gravitational attraction influences cosmic structures
• Describe the process by which galaxies form and evolve+ Show more

Learning Objectives

• Understand the mechanisms of chromosomal behavior during meiosis and inheritance.
• Explain recombination, linkage, and molecular markers in genetic transmission.
• Differentiate between single-gene and polygenic inheritance patterns.+ Show more

Learning Objectives

• Understand basic Mendelian inheritance and Punnett squares
• Identify different modes of inheritance such as sex linkage and incomplete dominance
• Interpret pedigree charts and their significance in tracing traits+ Show more

Learning Objectives

• Understand the methods used to reconstruct evolutionary relationships, including character matrix analysis and molecular sequence alignment.
• Interpret cladograms and phylograms to infer speciation events and characterize taxa.
• Assess homology and model substitution rates for phylogenetic analysis.+ Show more

Learning Objectives

• Explain how nuclear fission and fusion release energy using binding energy per nucleon and energetic mass changes.
• Describe the criteria for a sustained chain reaction and connect it to critical mass and neutron economy.
• Apply reactor physics ideas to practical energy generation, including isotope production and small modular reactor (SMR) concepts.

Learning Objectives

• Explain how different types of mutations (substitutions, insertions/deletions, and chromosomal changes) can alter genes and proteins
• Analyze how DNA-level changes can lead to phenotypic variation through effects on gene function and regulation
• Evaluate why mutation provides raw material for natural selection and evolution under environmental pressures

Learning Objectives

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

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

• Differentiate scientific theories from scientific laws based on their roles and what they explain or describe.
• Explain how evidence supports both theories and laws and why both can change with new data.
• Apply the distinction between theories and laws to avoid common misconceptions in scientific reasoning.

Learning Objectives

• Explain how effective nuclear charge and electron shielding drive periodic trends in atomic and ionic properties.
• Predict how atomic radius, ionization energy, and electronegativity change across periods and down groups.
• Use periodic trends to infer likely ion sizes and bonding tendencies for representative elements.

Learning Objectives

• Identify different types of sensors used in scientific instrumentation
• Understand the principles of calibration for measurement systems
• Learn about signal processing and resolution limits in measurement data+ Show more

Learning Objectives

• Understand the structural features of biological macromolecules and how their molecular form determines function.
• Explain key concepts such as protein folding, nucleic acid complementarity, and the roles of carbohydrates and lipids.
• Describe the physicochemical properties underlying molecular interactions and how structural models, bonding diagrams, and spectroscopic evidence support these concepts.+ Show more

Learning Objectives

• Explain how operational definitions make variables measurable and testable in science experiments.
• Use consistent units and repeatable procedures to produce trustworthy measurement data.
• Identify sources of measurement error and describe controls such as calibration, drift checks, and bias reduction.

Learning Objectives

• Understand the concept of static equilibrium
• Identify forces acting on objects at rest
• Recognize balanced forces and their effects+ Show more

Learning Objectives

• Understand the process of water evaporation and condensation
• Describe how water moves through different reservoirs on Earth
• Explain how energy from the sun drives changes in the water cycle+ Show more

Learning Objectives

• Explain the concept of chemical equilibrium.
• Describe external stresses that affect equilibrium.
• Predict how changes in concentration, pressure, and temperature influence a system at equilibrium.+ Show more

Learning Objectives

• Differentiate the purposes of science and technology in solving real-world problems.
• Explain how scientific knowledge and evidence-based models contribute to technological design.
• Analyze trade-offs and constraints involved in creating technological systems.+ Show more

Learning Objectives

• Identify and use key wave-model parameters (wavelength, frequency, amplitude, period, and propagation speed) to explain wave behavior.
• Differentiate transverse and longitudinal waves and relate wave type to how energy transfers through a medium.
• Explain superposition and interference using wave models, including how patterns form from combining waves.+ Show more

Learning Objectives

• Understand the concept of criteria and constraints in engineering
• Identify societal needs and how they influence engineering solutions
• Recognize measurable limits such as cost, safety, and environmental boundaries+ Show more

Learning Objectives

• Explain how the Solar System’s architecture relates to early solar nebula conditions and planetary formation processes.
• Describe key formation mechanisms such as protoplanetary disk evolution, accretion, and planetary differentiation.
• Connect observational evidence (spectroscopy, orbital parameters, and sample analyses) to models of planetary composition and atmospheres.+ Show more

Learning Objectives

• Understand different types of natural resources and their importance to life on Earth.
• Learn how human activities impact Earth's systems, including water, land, and ecosystems.
• Explore strategies for resource conservation and sustainable management.+ Show more

Learning Objectives

• Understand the concept of heat transfer methods
• Identify different types of heat transfer: conduction, convection, and radiation
• Apply calorimetry principles to energy transfer scenarios+ Show more

Learning Objectives

• Identify basic wave characteristics such as wavelength, frequency, amplitude, and phase velocity.
• Understand the principles of superposition, interference, and standing waves.
• Apply sinusoidal models and phasor reasoning to wave phenomena.+ Show more