Grade 9 Worksheets

Learning Objectives

• Understand the concepts of heat transfer mechanisms including conduction, convection, and radiation.
• Apply mathematical formulas involving specific heat capacity, mass, and temperature change to calculate thermal energy transfer.
• Explain sign conventions for heat flow and energy change in closed systems.+ Show more

Learning Objectives

• Describe different devices that convert energy from one form to another.
• Explain the principles of energy efficiency and energy bookkeeping.
• Identify examples of energy conversion processes such as photovoltaic cells, thermoelectric modules, and electrochemical cells.+ Show more

Learning Objectives

• Understand the principles of energy conservation within different systems.
• Identify energy transfer mechanisms and system boundaries.
• Apply mathematical representations and diagrams to analyze energy flow.+ Show more

Learning Objectives

• Understand the mathematical relationships governing wave behavior, including amplitude, frequency, wavelength, and wave speed.
• Describe how sinusoidal functions and superposition explain interference and standing waves.
• Apply the wave speed formula (wave speed = frequency × wavelength) to analyze real-world scenarios involving boundary conditions and reflection.+ Show more

Learning Objectives

• Understand the key tradeoffs involved in digital and analog communication systems.
• Analyze how bandwidth, signal-to-noise ratio, and error correction techniques affect data transmission.
• Evaluate the performance limitations of wireless, optical, and wired networks based on quantitative metrics.+ Show more

Learning Objectives

• Understand the principles of information encoding using modulation and multiplexing techniques.
• Compare different encoding schemes such as pulse-code modulation and amplitude modulation.
• Analyze the impact of encoding choices on channel capacity, fidelity, and noise susceptibility.+ Show more

Learning Objectives

• Explain the wave and photon descriptions of electromagnetic radiation.
• Relate frequency to photon energy and their interaction with matter.
• Identify characteristic phenomena such as atomic emission, absorption lines, and spectral attenuation.+ Show more

Learning Objectives

• Compare different energy and mineral resource options based on environmental, economic, and social factors.
• Analyze the impacts of resource extraction methods like coal combustion, mountaintop removal, hydraulic fracturing, and renewable energy installations.
• Evaluate trade-offs in resource management, considering life-cycle impacts, land use, water consumption, and emissions.+ Show more

Learning Objectives

• Understand the interactions between land and water in ecosystem health.
• Identify practices that promote soil conservation and sustainable water use.
• Evaluate the impact of land-use changes on ecosystem resilience and productivity.+ Show more

Learning Objectives

• Analyze historical atmospheric CO2 records and land-use change data.
• Understand the effects of human activities like fossil fuel combustion and deforestation on climate.
• Interpret indicators such as the Keeling Curve and satellite vegetation data.+ Show more

Learning Objectives

• Analyze hazard risks through evaluation of occurrence, frequency, and consequences of natural events.
• Interpret historical records and probabilistic models related to earthquakes, volcanoes, tsunamis, hurricanes, and floods.
• Assess community and infrastructure susceptibility using hazard mapping, return-period data, and mitigation strategies.+ Show more

Learning Objectives

• Understand different energy transition pathways and their environmental impacts.
• Analyze the role of renewable energy, storage, and carbon capture in decarbonization.
• Evaluate trade-offs among reliability, cost, and greenhouse gas reduction in energy planning.+ Show more

Learning Objectives

• Understand how systems and decision models are applied to evaluate mitigation and adaptation strategies.
• Analyze trade-offs among environmental, economic, and social variables in policy decision-making.
• Explore scenario analysis, lifecycle assessment, and cost-benefit evaluation in climate policy contexts.+ Show more

Learning Objectives

• Describe the main stages of stellar evolution from star formation to terminal outcomes.
• Interpret Hertzsprung-Russell diagrams and spectral classifications of stars.
• Explain the processes of nucleosynthesis and element enrichment in the interstellar medium.+ Show more

Learning Objectives

• Explain the fundamental principles governing orbital motion, including Kepler's laws and Newton's law of universal gravitation.
• Analyze relationships between orbital period, semi-major axis, and escape velocity using real-world examples.
• Describe the effects of orbital resonance and perturbations on the stability of celestial bodies.+ Show more

Learning Objectives

• Explain the basic operating principle of electric motors and generators using electromagnetic concepts
• Identify common motor and generator types and connect performance characteristics to real-world loads
• Distinguish how energy conversion works in motors versus generators

Learning Objectives

• Describe how cell membranes and organelles contribute to selective transport and compartmentalized function.
• Explain how the cytoskeleton provides structural support and helps position organelles within the cell.
• Analyze how changes in membrane composition or organelle integrity can affect diffusion, transport rates, and metabolic efficiency.

Learning Objectives

• Explain how allele frequencies and genotype frequencies relate in population genetics
• Use Hardy–Weinberg assumptions to predict when evolution is and is not occurring
• Describe how genetic drift, bottlenecks, founder effects, gene flow, and selection influence genetic diversity+ Show more

Learning Objectives

• Explain how energy is transferred in the atmosphere and oceans through radiation, conduction, convection, and phase changes.
• Interpret global energy budget diagrams and flux tables to predict how differential heating drives circulation patterns.
• Connect energy partitioning to observable climate indicators such as surface temperature and sea surface temperature anomalies.

Learning Objectives

• Analyze how waves, tides, and storm surge drive coastal erosion and sediment transport across a cross-shore profile.
• Use quantitative indicators (shoreline retreat rate and beach volume change) to describe shoreline response to sea-level change.
• Distinguish natural coastal process signals from impacts of human alterations and engineered structures.

Learning Objectives

• Identify major carbon reservoirs and describe how carbon moves among the atmosphere, biosphere, oceans, and geosphere
• Explain key fluxes (photosynthesis, respiration, dissolution, sedimentation, and fossil fuel formation) in the carbon cycle
• Use basic ideas of residence time and budget perturbations to interpret how human emissions affect natural carbon pathways+ Show more

Learning Objectives

• Explain how Earth–Moon–Sun geometry produces lunar phases and why the Moon’s orbit causes changes over time
• Differentiate solar and lunar eclipses and describe the role of alignment near orbital nodes
• Distinguish partial, total, and annular eclipses and relate eclipse conditions to Moon–Earth distances and inclination

Learning Objectives

• Explain how plate motions at divergent, convergent, and transform boundaries produce distinct surface features and hazards
• Describe how subduction and continental collision contribute to volcanism and mountain building
• Use earthquake and volcanic arc patterns to support the idea that lithospheric plates interact+ Show more

Learning Objectives

• Explain how chromosomal behavior during meiosis leads to Mendelian inheritance patterns.
• Use Punnett frameworks and probability to predict genotypic and phenotypic ratios.
• Analyze inheritance deviations such as incomplete dominance, codominance, linkage, and penetrance.

Learning Objectives

• Interpret spatial and temporal climate data to identify trends and anomalies in temperature, precipitation, and drought indices
• Use statistical reasoning concepts (trend vs. internal variability; signal-to-noise) to explain why changes may be hard to detect
• Compare observed climate patterns with plausible forcings (greenhouse gases and volcanic aerosols) to make evidence-based attribution claims+ Show more

Learning Objectives

• Distinguish P waves, S waves, and surface waves and describe how each propagates through Earth.
• Use travel-time concepts (especially S–P time) to explain how epicentres and earthquake magnitudes can be estimated.
• Connect focal mechanisms to fault types and stress orientations, relating rupture characteristics to seismic energy and hazard.+ Show more

Learning Objectives

• Define physical properties as observable or measurable characteristics of matter that do not change chemical identity
• Distinguish intensive properties from extensive properties and predict how each can be used to compare materials
• Use physical-property data to classify substances and explain common separation choices+ Show more

Learning Objectives

• Explain how changing magnetic flux induces an emf in a conductor.
• Use Faraday’s law and Lenz’s law to predict induced voltage magnitude and direction.
• Describe how generators and transformers rely on electromagnetic induction in real power systems.

Learning Objectives

• Define electric current, voltage, and resistance and relate each to how charges behave in circuits.
• Use correct units, symbols, and typical magnitudes to interpret electrical situations and instrument readings.
• Apply comparisons of current, voltage, and resistance to real-world contexts such as household wiring and heating elements.

Learning Objectives

• Explain natural selection, including heritable traits, selective pressure, and fitness
• Use Alberta examples to describe how adaptations can improve survival or reproduction
• Compare natural selection with artificial selection and describe how each changes populations over generations+ Show more

Learning Objectives

• Explain how Earth’s magnetic field originates and why it behaves like a giant dipole
• Describe how magnetic declination and dip affect navigation, mapping, and compass readings in real regions
• Interpret how auroras and ionospheric phenomena relate to charged particles and Earth’s magnetic environment+ Show more

Learning Objectives

• Explain how glycolysis, the TCA (citric acid) cycle, and the electron transport chain connect to ATP production.
• Compare aerobic and anaerobic cellular outcomes using oxygen as the final electron acceptor and NAD+/NADH redox balance.
• Use reaction schemes and stoichiometry concepts to predict how substrate availability and enzyme regulation affect ATP yield.

Learning Objectives

• Describe how individual electrical components behave and how their behavior shows up on I–V and temperature-related curves
• Distinguish linear vs. nonlinear component behavior and connect each to common real-world examples
• Explain how power ratings and operating limits affect circuit stability, energy loss, and component longevity under temperature extremes+ Show more

Learning Objectives

• Compare the particle models of solids, liquids, and gases based on shape, volume, and particle motion.
• Explain phase changes (melting, freezing, evaporation, condensation, and deposition) using energy changes and particle behavior.
• Predict how temperature and pressure changes can influence the state of matter in real-world examples.

Learning Objectives

• Use conservation of mass and typical chemical patterns to predict likely reaction products.
• Classify reactions by type (synthesis, decomposition, oxidation, neutralization) and connect each type to common outcomes.
• Justify predicted products by checking element balance, charge balance, and observable clues.

Learning Objectives

• Describe physical changes as changes in form or phase that do not create new substances
• Use the idea of conservation of identity to explain why particles stay the same during physical changes
• Distinguish physical changes from chemical changes using observable evidence

Learning Objectives

• Describe how the particle model explains solids, liquids, and gases using particle spacing and motion
• Use the particle model to explain diffusion, pressure, and changes in temperature
• Relate kinetic energy and particle collisions to observable macroscopic effects

Learning Objectives

• Explain how allele frequencies change under selection, genetic drift, migration, and mutation.
• Use Hardy-Weinberg equilibrium as a null model to predict allele and genotype frequencies in the absence of evolutionary forces.
• Interpret how selection coefficients, effective population size, bottlenecks, and founder effects can shift allele frequencies over time.+ Show more

Learning Objectives

• Describe how observable properties can be used to identify and classify substances
• Differentiate between physical properties and changes that require chemical evidence
• Use vocabulary (e.g., colour, hardness, solubility, density, conductivity) to explain material behavior

Learning Objectives

• Analyze how sexual and asexual reproduction affect genetic variation in breeding programs
• Explain how inheritance of traits can follow Mendelian patterns and how chromosomes relate to inheritance
• Evaluate how selection changes allele frequencies and adaptation outcomes over time+ Show more

Learning Objectives

• Distinguish ionic, covalent, and metallic bonding using electron interactions
• Predict properties of substances (e.g., melting point, conductivity, structure) based on bonding type
• Explain how bonding influences real-world materials and applications, including those relevant to Alberta

Learning Objectives

• Explain the conservation of mass principle using particle/atom reasoning
• Use mass conservation to interpret measurements in closed chemical systems
• Apply mass conservation to balance real-world material accounting (e.g., combustion and gas collection)

Learning Objectives

• Identify observable evidence of chemical change, including colour shifts, gas evolution, precipitate formation, temperature change, and irreversibility.
• Use evidence to distinguish chemical changes from physical changes in environmental and industrial contexts.
• Explain how multiple evidence markers together strengthen the conclusion that a new substance formed.

Learning Objectives

• Explain how dominant and recessive alleles influence genotype and phenotype in single-gene traits.
• Use simple Punnett square logic to predict genotype and phenotype ratios from allele crosses.
• Distinguish probability statements from guaranteed outcomes in inheritance predictions.

Learning Objectives

• Explain how element symbols represent atoms using one- or two-letter notation.
• Interpret chemical formulas by reading subscripts as numbers of atoms.
• Connect symbolic representations to the composition of common substances.+ Show more

Learning Objectives

• Explain how fertilization leads to zygote formation and early developmental stages.
• Compare internal and external fertilization using specific ecological examples.
• Describe how temperature, moisture, and habitat quality influence embryonic development and reproductive success.+ Show more

Learning Objectives

• Explain how mitochondria, chloroplasts, endoplasmic reticulum, and lysosomes contribute to cellular maintenance and metabolism
• Connect organelle structure (cristae, thylakoid stacks, folded membranes) to specific functional outcomes such as ATP synthesis and light capture
• Use compartmentation and energy-flow ideas to describe how pathways are organized to optimize reaction rates and coordination of anabolic and catabolic processes

Learning Objectives

• Explain how chemical reactions rearrange atoms to form new products while conserving mass
• Interpret balanced chemical equations to connect qualitative observations with quantitative particle counts
• Identify and compare common types of chemical reactions such as combustion, synthesis, and decomposition+ Show more