Grade 9 Worksheets

Learning Objectives

• Understand the structure of evidence-based reasoning linking observations, analyses, and claims.
• Identify criteria for sufficiency, consistency, and alternative explanations in scientific reasoning.
• Use multiple representations—graphs, summaries, diagrams—to support inferences.+ Show more

Learning Objectives

• Understand methods for assessing the fit between models and empirical data.
• Identify diagnostic patterns indicating systematic divergence, heteroscedasticity, or missing variables.
• Explain the significance of residual analysis and goodness-of-fit measures in model validation.+ Show more

Learning Objectives

• Understand the mechanisms that cause allele frequencies to change in populations such as selection, drift, migration, and mutation.
• Explain the Hardy-Weinberg equilibrium as a null model for population genetics.
• Describe how fitness landscapes, selection coefficients, and effective population size influence evolution.+ Show more

Learning Objectives

• Analyze spatial and temporal climate datasets to identify trends and anomalies.
• Apply statistical trend analysis and composite mapping techniques.
• Interpret potential climate drivers by comparing datasets with external forcings.+ Show more

Learning Objectives

• Explain how collision frequency, activation energy, and reaction pathways influence reaction rates.
• Describe how temperature, concentration, and catalysts alter energy distributions and affect reaction speeds.
• Interpret rate laws and determine reaction order from experimental data.+ Show more

Learning Objectives

• Describe the processes involved in energy transfer within the atmosphere and ocean.
• Interpret how differential heating influences circulation patterns and weather.
• Identify various energy fluxes using diagrams and tables, and relate them to climate indicators.

Learning Objectives

• Understand the geological processes involved in mountain formation, including crustal shortening, thickening, and metamorphism.
• Explain how isostatic adjustment influences mountain uplift and erosion patterns.
• Link plate convergence to changes in surface topography and regional climate effects.+ Show more

Learning Objectives

• Interpret paleoclimate evidence from ice cores, tree rings, marine sediments, and speleothems using proxy indicators.
• Relate proxy records to past climate variability including glacial-interglacial cycles and abrupt events.
• Employ age models and quantify uncertainties to link proxy signals to climate forcing mechanisms.+ Show more

Learning Objectives

• Describe the mechanisms that drive different types of plate boundaries.
• Identify surface expressions associated with divergent, convergent, and transform margins.
• Analyze geologic evidence such as seafloor age patterns, paleomagnetic stripes, and seismic distributions to interpret plate motions.+ Show more

Learning Objectives

• Describe magmatic systems and eruptive styles linked to compositional and tectonic factors.
• Compare effusive shield volcanism and explosive stratovolcano behavior based on magma viscosity and volatile content.
• Explain how petrologic indicators, eruption chronologies, and volcanic gases influence landscape, climate, and biogeochemical cycles.

Learning Objectives

• Describe the processes involved in the rock cycle and how different rocks transform through geological mechanisms.
• Explain the role of tectonic settings such as mid-ocean ridges, subduction zones, and continental interiors in rock formation.
• Identify the physical and chemical processes that drive changes in rocks and their link to landscape evolution.+ Show more

Learning Objectives

• Understand and interpret position–time and velocity–time diagrams for motion along a straight line.
• Apply constant-acceleration equations to solve for displacement, velocity, and time.
• Connect algebraic models with graphical representations of motion such as slopes and areas under curves.+ Show more

Learning Objectives

• Explain how energy is transferred among organisms in a food chain.
• Describe the concept of energy transfer efficiency and its impact on biomass.
• Interpret evidence like population sizes, biomass trends, and nutrient concentrations to analyze trophic levels.+ Show more

Learning Objectives

• Understand how changes in wave parameters affect wave signatures.
• Relate wave frequency, wavelength, and amplitude to energy and pattern spacing.
• Interpret different wave representations and how a single source can produce varied signatures.+ Show more

Learning Objectives

• Understand the principles of mole ratios in balanced chemical equations.
• Apply molar mass conversions to relate mass and moles in reactions.
• Analyze limiting reagents and determine theoretical yields in chemical reactions.+ Show more

Learning Objectives

• Understand the roles of different organ systems in maintaining homeostasis.
• Identify the functions of the circulatory, respiratory, digestive, renal, nervous, and endocrine systems.
• Explain how organ systems communicate and regulate physiological processes.+ Show more

Learning Objectives

• Describe the main steps involved in glycolysis.
• Identify key enzymes and intermediates in glycolysis.
• Explain the energy investment and payoff phases of glycolysis.+ Show more

Learning Objectives

• Describe the chemical structures of DNA and RNA and the role of nucleotides.
• Explain the significance of double helix formation, antiparallel strands, and base pairing in DNA.
• Differentiate between DNA and RNA in terms of structure and function.+ Show more

Learning Objectives

• Understand the methods used to evaluate hazard risks such as earthquakes, volcanoes, tsunamis, hurricanes, and floods.
• Analyze hazard occurrence, frequency, and consequences using historical data and probabilistic models.
• Recognize the importance of hazard mapping, return-period data, and mitigation strategies in assessing community susceptibility.+ Show more

Learning Objectives

• Understand how impulse and force-time tradeoffs influence collision mitigation strategies.
• Identify engineering design features such as crumple zones, airbags, and helmets for safer high-impact interactions.
• Analyze force-time graphs and energy absorption techniques to evaluate shock absorption effectiveness.+ Show more

Learning Objectives

• Understand the concepts of electric and magnetic fields and how they influence forces on charges and currents.
• Interpret field vectors and maps, and utilize field lines to represent direction and magnitude.
• Apply principles of superposition, forces, and motion curvature in uniform magnetic fields.+ Show more

Learning Objectives

• Understand the principle of conservation of linear momentum in isolated systems.
• Differentiate between elastic and inelastic collisions using vector sums.
• Calculate total momentum before and after interactions in various scenarios.+ Show more

Learning Objectives

• Describe the layered structure of Earth's interior based on seismic evidence.
• Interpret the behaviors of P-waves and S-waves to understand Earth's composition.
• Explain the transfer of thermal energy within Earth and its impact on planetary processes.+ Show more

Learning Objectives

• Analyze and interpret hydrologic data related to erosion, transport, and deposition.
• Identify how river incision, coastal sediment dynamics, and glacial erosion shape landscapes.
• Understand how discharge records, sediment load measurements, and watershed maps support hydrologic studies.+ Show more

Learning Objectives

• Define and distinguish between physical and chemical changes.
• Identify everyday examples of physical changes in various environments.
• Explain the reversibility of physical changes and how they conserve the identity of substances.+ Show more

Learning Objectives

• Describe the processes involved in the rock cycle, including melting, crystallization, erosion, and metamorphism.
• Identify examples of rock cycle processes, such as basalt formation, sandstone deposition, and metamorphic rocks.
• Explain how temperature, pressure, and fluid flow influence rock transformation and geologic timescales.+ Show more

Learning Objectives

• Understand the construction principles of phylogenetic trees and their significance in evolutionary biology.
• Interpret branching diagrams to identify common ancestors and shared derived characters.
• Learn different methods of tree-building such as parsimony and molecular distance analyses.+ Show more

Learning Objectives

• Explain the mechanisms of natural selection, including variation, inheritance, and selection pressures.
• Identify classic examples of natural selection, such as finch beak morphology and bacterial resistance.
• Describe how models of fitness and allele frequency determine different types of selection.+ Show more

Learning Objectives

• Explain the principles of energy conservation in closed and open systems.
• Identify system boundaries and perform energy bookkeeping calculations.
• Use energy flow diagrams to analyze energy transfer within systems.+ Show more

Learning Objectives

• Understand the different types of surface processes that shape landscapes.
• Analyze the factors influencing the rates and patterns of weathering, erosion, and sediment transport.
• Evaluate examples of geomorphic change like coastal erosion and alluvial fan formation.+ Show more

Learning Objectives

• Understand the tradeoffs involved in digital and analog communication systems.
• Analyze the impact of bandwidth constraints, signal-to-noise ratio, and sampling criteria on transmission quality.
• Evaluate error-correcting techniques and their effect on data integrity in noisy environments.+ Show more

Learning Objectives

• Understand the principles of comparative evaluation in engineering design.
• Identify quantitative and qualitative performance metrics for system assessment.
• Apply decision frameworks and matrices to evaluate design trade-offs.+ Show more

Learning Objectives

• Understand the basic concepts of forces, including contact and non-contact forces.
• Identify and describe real-world examples of forces in Alberta settings.
• Apply qualitative reasoning to analyze opposing forces before numerical calculation.+ Show more

Learning Objectives

• Explain how kinematic descriptions, force balances, and energy considerations integrate to analyze complex motion scenarios.
• Apply graphs, equations, and net-force reasoning to predict motion outcomes in transport contexts.
• Interpret combined physical principles in real-world Alberta transportation and recreational situations.

Learning Objectives

• Describe how objects move using scalar and vector measures such as speed, velocity, and acceleration.
• Explain the differences between speed, velocity, and acceleration with real-world examples.
• Apply unit conversions and sign conventions to analyze and compare motion in different regional contexts.+ Show more

Learning Objectives

• Understand how to interpret displacement–time, velocity–time, and acceleration–time graphs.
• Learn how to determine physical quantities such as speed, acceleration, and displacement from graph slopes and areas.
• Identify curved segments in graphs that indicate changing acceleration.+ Show more

Learning Objectives

• Understand the concept of net force as the vector sum of forces acting on an object.
• Apply principles of vector addition to analyze forces in practical scenarios.
• Evaluate the effects of opposing forces such as friction and air resistance on motion.+ Show more

Learning Objectives

• Describe the different types of simple machines and their functions.
• Explain how simple machines reduce effort and change the direction of force.
• Differentiate between ideal and actual mechanical advantage in systems involving simple machines.+ Show more

Learning Objectives

• Understand the application of mathematical and computational methods in system modeling.
• Analyze how parameters and variables influence system performance.
• Develop and evaluate models using spreadsheets and simple code simulations.+ Show more

Learning Objectives

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

Learning Objectives

• Compare and evaluate different energy and mineral resource options.
• Analyze impacts of resource extraction methods on environment and society.
• Understand trade-offs related to resource management, sustainability, and lifecycle costs.+ Show more

Learning Objectives

• Identify various prototyping methods and their applications.
• Understand how to select appropriate fidelity levels and materials for prototypes.
• Describe testing protocols and measures used during prototyping.+ Show more

Learning Objectives

• Understand how different microscope models reveal structural details of cells.
• Identify the role of diagrammatic and physical models in microscopy.
• Explain the importance of size, scale, and spatial relationships in cellular understanding.+ Show more

Learning Objectives

• Understand the conditions that produce solar and lunar eclipses
• Recognize the orbital relationships among Sun, Earth, and Moon during eclipses
• Explain how orbital inclinations limit eclipse occurrences+ Show more

Learning Objectives

• Describe the basic principles of Mendelian inheritance, including dominance, segregation, and independent assortment.
• Use Punnett squares to predict genotype and phenotype ratios of monohybrid and dihybrid crosses.
• Interpret pedigree charts to analyze inheritance patterns.+ Show more

Learning Objectives

• Explain the mechanisms driving ocean surface and deep currents.
• Identify features like gyres, upwelling zones, and boundary currents.
• Assess the impact of ocean circulation on regional climates and weather patterns.+ Show more

Learning Objectives

• Understand the sequence and causes of lunar phases.
• Identify the relationship between the Sun, Earth, and Moon in lunar cycles.
• Describe how lunar phases influence tides and nocturnal illumination.+ Show more

Learning Objectives

• Describe the main sources of heritable genetic variation such as point mutations, chromosomal rearrangements, and recombination.
• Explain how mechanisms like crossing-over and independent assortment contribute to allelic and phenotypic diversity.
• Connect molecular changes to effects on gene expression, protein function, and trait variation at the population level.+ Show more