Grade 12 Science Worksheets

Learning Objectives

• Explain how mutation, natural selection, genetic drift, and gene flow influence allele frequencies over time.
• Describe how these forces lead to adaptation and diversity in populations.
• Analyze examples of evolutionary mechanisms in Alberta's ecosystems and agriculture.+ Show more

Learning Objectives

• Explain the different types of chemical bonds: ionic, covalent, and metallic.
• Describe how atoms share or transfer electrons in each bond type.
• Identify the properties associated with each bond type, such as melting point and conductivity.+ Show more

Learning Objectives

• Describe the Earth's internal layers and their distinct properties.
• Interpret seismic data to understand layer boundaries and composition.
• Explain the evidence supporting Earth's layered structure from seismic waves.+ Show more

Learning Objectives

• Describe the layers of Earth's internal structure and their characteristics.
• Interpret seismic wave data to identify Earth's layer boundaries.
• Explain how Earth's internal layers influence geological and tectonic processes.+ Show more

Learning Objectives

• Understand sources of genetic variation such as mutations, recombination, and chromosomal changes.
• Explain how gene mutations influence phenotype and inheritance patterns.
• Identify Mendelian and polygenic inheritance as models for trait transmission.+ Show more

Learning Objectives

• Identify the main drivers of sea level variability, including thermal expansion, land-ice mass loss, and glacio-isostatic adjustment.
• Describe the methods used to measure and attribute changes in sea level over time and space.
• Relate sea level trends to human activity, regional land subsidence, and ocean dynamics.+ Show more

Learning Objectives

• Use an Introduction-Methods-Results-Discussion (IMRaD) structure and write a structured scientific abstract.
• Align hypotheses with experimental methods and analyze data with appropriate statistical summaries.
• Write in a formal scientific voice and tense while reporting methods detailed enough for replication, including citations for sources.

Learning Objectives

• Understand the patterns and causes of biodiversity loss, including habitat fragmentation, invasive species, overexploitation, and climate change.
• Describe measures and strategies used in biodiversity conservation such as protected areas, restoration ecology, and genetic management.
• Analyze examples like island biogeography and extinction rate estimation, and explain the importance of genetic diversity for resilience and evolution.

Learning Objectives

• Explain how oscillating electric and magnetic fields transmit energy as electromagnetic waves through space and guided media
• Relate frequency and wavelength to wave behavior, including reflection and refraction at boundaries
• Analyze how attenuation and dispersion affect signal strength and bandwidth over distance+ Show more

Learning Objectives

• Differentiate scientific theories from scientific laws in terms of what they explain and how they are supported
• Identify whether a given statement best describes a theory, a law, or an evidence-based claim
• Explain how new evidence can strengthen, refine, or replace parts of scientific theories and how laws can be limited to specific conditions+ Show more

Learning Objectives

• Explain how magnetic forces on moving charges create torque in electric motors and relate this to energy conversion.
• Describe how electromagnetic induction and the Hall effect are used for sensing and field measurement.
• Connect magnetic field gradients and magnetic resonance imaging (MRI) principles to how images are formed.+ Show more

Learning Objectives

• Understand the quantitative relationships in chemical reactions using the mole concept, molar mass, and balanced equations.
• Calculate limiting reactant, theoretical yield, and percent yield from mass and mole data.
• Employ symbolic and arithmetic representations to connect mass, particle count, and molar relationships.

Learning Objectives

• Identify the main layers of Earth's internal structure.
• Describe the physical and compositional differences between Earth's crust, mantle, outer core, and inner core.
• Understand how seismic waves provide evidence for Earth's interior layers.+ Show more

Learning Objectives

• Represent displacement, velocity, and acceleration as vectors in one and two dimensions
• Decompose vectors into components and use component analysis to solve kinematics problems
• Model projectile motion using parametric equations and predict positions over time

Learning Objectives

• Understand the concept of problem decomposition in engineering design.
• Identify how relationships among subsystems are preserved during decomposition.
• Analyze the role of criteria and constraints in guiding problem decomposition.+ 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

• Define impulse and explain its relationship to force and time.
• Interpret force versus time graphs to identify impulse.
• Understand the concept of momentum and how impulse affects it.+ Show more

Learning Objectives

• Identify the main drivers of sea level variability
• Understand how tide gauges and satellite data are used to measure sea level
• Explain the concepts of thermal expansion, land-ice melting, and glacio-isostatic adjustment+ Show more

Learning Objectives

• Understand the various evidence types used in integrated geological reconstruction.
• Analyze how stratigraphy, radiometric dating, paleomagnetic data, and fossil records are combined to interpret Earth's history.
• Evaluate the importance of synthesizing multiple data sources to understand tectonic and geological processes.+ Show more

Learning Objectives

• Explain the principle of electromagnetic induction as described by Faraday’s law.
• Describe how changing magnetic flux induces an electromotive force in conductors.
• Understand the relationship between magnetic fields, conductors, and induced voltages.+ Show more

Learning Objectives

• Understand mechanisms that alter allele frequencies in populations, including natural selection, genetic drift, gene flow, and mutation.
• Analyze case examples of phenotypic shifts in response to environmental gradients.
• Apply quantitative models relating fitness differences to frequency changes.+ Show more

Learning Objectives

• Explain energy system efficiency as a quantitative ratio of useful output to input energy
• Identify major loss pathways (especially heat dissipation) and how design choices reduce them
• Evaluate how insulation, surface area, and control systems improve performance in energy collectors

Learning Objectives

• Understand the fundamental principles of ionic bonding and lattice energy.
• Compare ionic, covalent, and metallic bonds in terms of electrostatic interactions and properties.
• Apply Lewis structures and VSEPR theory to determine molecular shapes and polarity.+ Show more

Learning Objectives

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

Learning Objectives

• Explain how nuclear charge and electron shielding determine periodic trends in atomic and ionic properties.
• Predict how atomic radius, ionization energy, and electronegativity change across a period and down a group.
• Use effective nuclear charge (Zeff) to justify trends and anticipate element reactivity and bonding behavior.

Learning Objectives

• Explain how stratigraphy and relative dating are used to order geologic events in the rock record
• Identify how cross-cutting features and deformation (intrusions, faults, folds) affect the relative ages of rock units
• Describe how unconformities and fossil succession provide evidence of gaps and relative age constraints

Learning Objectives

• Understand the principles of molecular orbital theory.
• Analyze how energy-level diagrams are used to predict bonding.
• Describe the differences between localized and delocalized bonding.+ Show more

Learning Objectives

• Explain how hypothesis tests, confidence intervals, p-values, effect sizes, and statistical power relate to one another in scientific studies
• Evaluate assumptions for parametric vs. nonparametric methods and identify suitable tests (t-tests, chi-square tests, and regression) for given scenarios
• Interpret correlation vs. causation and use diagnostic checks (residuals, assumptions, and validation via bootstrap/permutation) to support conclusions

Learning Objectives

• Understand the fundamental components of electrical circuits.
• Analyze how energy transfer and power dissipation occur in simple circuits.
• Apply exponential models to transient charging and discharging in RC networks.+ Show more

Learning Objectives

• Understand the mechanisms of energy transfer within Earth systems
• Analyze Earth's radiative balance and its influence on climate
• Identify and differentiate between conduction, convection, and latent heat processes+ Show more

Learning Objectives

• Apply Hardy–Weinberg equilibrium to predict allele and genotype frequencies under specified assumptions.
• Use selection coefficients and mutation–selection balance to explain how allele frequencies change over time.
• Analyze how genetic drift and population size affect evolutionary trajectories and variation.+ Show more

Learning Objectives

• Understand key characteristics of waves such as wavelength, frequency, amplitude, and speed
• Identify how waves propagate through different mediums and the effects observed
• Apply mathematical models to predict wave behavior in regional contexts+ Show more

Learning Objectives

• Explain how constraints (geometry, materials, power, time) change engineering outcomes and how models help predict those changes.
• Use simplified representations to connect inputs to outputs and justify assumptions under uncertainty.
• Interpret how uncertainty and tolerances affect reliability and design decisions in real systems.

Learning Objectives

• Define energy system efficiency quantitatively and identify useful output versus loss pathways.
• Explain how design choices such as insulation, surface area, and flow/control strategies affect efficiency.
• Evaluate the performance of a solar-thermal collector using concepts of energy transfer and losses.

Learning Objectives

• Understand the importance of formulating clear research questions
• Learn how to evaluate research questions for clarity and testability
• Recognize the role of research questions in designing scientific studies+ Show more

Learning Objectives

• Understand the principles of radioactive decay and half-life.
• Explain nuclear reactions and conservation of nucleon number.
• Apply quantitative decay laws to real-world scenarios.+ Show more

Learning Objectives

• Explain how scientific models and theories are supported by evidence and revised when new data appear
• Apply concepts of causation, prediction, and experimental design to interpret scientific statements
• Analyze reading information to identify main ideas and evaluate claims using evidence

Learning Objectives

• Understand the process of the water cycle and its stages
• Identify how water moves through Earth's spheres
• Explain the importance of water movement for weather and climate+ Show more

Learning Objectives

• Explain how carbon and nitrogen cycle processes (photosynthesis, respiration, decomposition, nitrification/denitrification) connect atmosphere, biosphere, hydrosphere, and lithosphere.
• Apply mass-balance and steady-state reasoning to interpret reservoir exchange rates and net fluxes in environmental systems.
• Evaluate how human activities (fossil fuel combustion and fertilizer runoff) alter cycle dynamics and can cause measurable impacts such as eutrophication.

Learning Objectives

• Define the photoelectric effect and explain its significance in quantum physics.
• Describe how photon energy relates to electron emission.
• Identify the key variables involved in photoelectric experiments, such as frequency and stopping potential.+ Show more

Learning Objectives

• Understand the basic principles of planetary orbits and gravitational forces.
• Identify key characteristics of orbital paths and motions.
• Recognize how gravity influences the motion of planets and satellites.+ Show more

Learning Objectives

• Understand the importance of calibration in measurement systems.
• Identify key concepts like accuracy, precision, and traceability.
• Recognize examples of measurement tools such as mass spectrometers and photometric sensors.+ Show more

Learning Objectives

• Understand the structure and function of mitochondria in energy transformation
• Compare the roles of different organelles in cell metabolism
• Analyze how compartment boundaries influence metabolite flux and signal transduction+ Show more

Learning Objectives

• Understand the importance of scrutiny and evidence in scientific claims.
• Identify key components that make a scientific claim credible.
• Distinguish between scientific reasoning and pseudoscience.+ Show more

Learning Objectives

• Assess renewable energy resources by analyzing geographic and seasonal variability.
• Explain how conversion technologies (wind, solar, bioenergy) convert energy and why intermittency is a challenge.
• Evaluate renewable systems using lifecycle and environmental metrics such as energy payback and greenhouse gas balance.

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.

Learning Objectives

• Understand the major large-scale atmospheric circulation patterns including Hadley, Ferrel, and polar cells.
• Identify the roles and locations of jet streams and planetary waves in global climate.
• Connect thermal gradients and Coriolis effects to pressure systems and storm tracks.+ Show more

Learning Objectives

• Explain how mutations, recombination, and chromosomal alterations create genetic variation that can be inherited.
• Differentiate point mutations, insertions, deletions, and structural changes by their effects on alleles and proteins.
• Use Mendelian and polygenic inheritance ideas to predict how traits can vary across generations.