Grade 9 Worksheets

Learning Objectives

• Describe how power measures the rate of energy transfer in mechanical systems.
• Explain the concept of efficiency and how it relates useful output energy to input energy.
• Identify factors that cause energy loss such as heat, sound, or deformation.+ Show more

Learning Objectives

• Understand how insulin and glucagon regulate blood glucose levels.
• Describe the role of pancreatic hormones in metabolic homeostasis.
• Explain the interplay between liver, muscle, and adipose tissues in glucose regulation.+ Show more

Learning Objectives

• Understand how to represent and analyze temporally changing systems using time-series descriptions.
• Identify the role of rates, feedback loops, and equilibrium concepts in empirical data.
• Interpret mathematical forms that capture transient and steady-state behaviors.+ Show more

Learning Objectives

• Define the key criteria used to establish control and comparability in causal inference.
• Explain how variable isolation, replication, baseline characterization, and appropriate reference conditions influence interpretation of causal claims.
• Assess how residual confounding and uncontrolled variation affect the strength of causal inferences.+ Show more

Learning Objectives

• Understand the principles of metric measurement and instrument resolution.
• Learn how calibration affects the accuracy and reliability of measurements.
• Connect raw measurement data to tables and graphs for analysis.+ Show more

Learning Objectives

• Understand the principles of dimensional analysis and unit consistency in physical measurements.
• Apply unit-checking techniques to identify algebraic errors in calculations.
• Derive relationships between quantities using correct units and interpret scaled models.+ Show more

Learning Objectives

• Understand the principles of scaling laws and dimensional similarity.
• Explore proportional reasoning in constructing models and interpreting data.
• Analyze how nonlinearity and scale-dependent effects influence extrapolation.+ Show more

Learning Objectives

• Describe different types of scientific models including mathematical formulae, graphs, schematics, and computational approximations.
• Explain the criteria for selecting appropriate models based on fidelity, simplicity, and predictive ability.
• Understand how mapping model components to measurable observables aids interpretation.+ Show more

Learning Objectives

• Understand how inclined planes decompose gravitational force into components that affect motion.
• Explain the concept of mechanical advantage and its effects on applied force and distance traveled.
• Analyze the roles of friction and slope angle in determining net acceleration and energy transfer during motion.+ Show more

Learning Objectives

• Explain the concept of impulse as force acting over time and its effect on an object's momentum.
• Describe how collisions involve energy transfer and the differences between elastic and inelastic collisions.
• Analyze force-time profiles during collisions to understand impulse magnitude and direction.+ Show more

Learning Objectives

• Describe the structure and function of various cell organelles and membranes.
• Explain how cellular compartmentalization affects metabolic processes.
• Analyze how alterations in membrane composition influence diffusion and transport.+ Show more

Learning Objectives

• Understand how allele frequencies change under various evolutionary forces such as selection, drift, migration, and mutation.
• Explain the Hardy-Weinberg equilibrium as a null model in population genetics.
• Evaluate factors like bottlenecks and founder effects that drive rapid genetic shifts and their implications for biodiversity.+ Show more

Learning Objectives

• Explain the mechanisms of inheritance by linking chromosomal behavior during meiosis to Mendelian patterns and deviations.
• Utilize pedigree reasoning, Punnett squares, and probability calculations to predict genotypic and phenotypic ratios.
• Connect alterations in gene sequences or expression to observable trait variation through models of dominance, penetrance, and gene interactions.+ Show more

Learning Objectives

• Understand the molecular mechanisms of DNA replication, transcription, RNA processing, and translation.
• Link sequence variations and mutations to changes in gene expression and protein function.
• Use molecular models and sequence reasoning to predict phenotypic effects of allelic changes.+ Show more

Learning Objectives

• Understand how ecosystems respond to multiple factors such as climate variability, land-use change, and species introductions.
• Analyze trophic interactions, feedback loops, and material fluxes within ecosystems.
• Evaluate the effects of disturbances and management scenarios on biodiversity and ecosystem services.+ Show more

Learning Objectives

• Analyze spatial and temporal climate datasets to identify long-term trends and anomalies.
• Apply statistical trend analysis, composite mapping, and signal-to-noise reasoning in climate data interpretation.
• Interpret potential climate drivers by comparing data with forcings such as greenhouse gases and volcanic aerosols.+ Show more

Learning Objectives

• Quantify surface and subsurface water flows using water-budget frameworks and hydrographs.
• Relate precipitation, evapotranspiration, and human withdrawals to streamflow variability.
• Analyze connections between altered hydrologic fluxes and geomorphic responses.+ Show more

Learning Objectives

• Interpret multiple lines of evidence for descent with modification, including fossil sequences, comparative anatomy, biogeographic distributions, and molecular phylogenies.
• Describe mechanisms such as natural selection, genetic drift, gene flow, and mutation that alter allele frequencies and produce adaptive traits.
• Employ models linking selective pressures and trait variation to population responses and evaluate scenarios like antibiotic resistance and morphological adaptation.

Learning Objectives

• Understand the different types of magmatic systems and eruptive styles.
• Explain how compositional controls influence volcanic gas emissions and landscape modifications.
• Differentiate between effusive shield volcanism and explosive stratovolcano behavior based on magma viscosity and volatile content.+ Show more

Learning Objectives

• Understand the mechanisms linking oceanic and atmospheric variability, including phenomena like ENSO.
• Analyze time-series data, lag-correlation maps, and energy-budget perspectives related to ocean–atmosphere interactions.
• Describe how sea surface temperature anomalies influence atmospheric convection and regional climate patterns.+ Show more

Learning Objectives

• Analyze human–Earth interactions affecting water, soil, mineral, and energy resources using indicators such as extraction rates and land-use change metrics.
• Interpret resource trends considering natural variability and system thresholds, and evaluate their consequences like subsidence and soil erosion.
• Use comparative datasets and ratio-based measures to assess sustainability implications and connect local resource changes to Earth system responses.

Learning Objectives

• Understand the core relationships among displacement, velocity, and acceleration in motion along a straight line.
• Interpret position–time and velocity–time graphs to analyze motion.
• Apply constant-acceleration equations to solve kinematic problems.+ Show more

Learning Objectives

• Explain the mechanisms behind divergent, convergent, and transform plate boundaries.
• Identify surface expressions and features associated with each type of plate boundary.
• Analyze evidence such as seafloor age patterns, paleomagnetic stripes, and earthquake distributions to interpret plate movements.+ Show more

Learning Objectives

• Understand the key components that influence Earth's climate, including the atmosphere, oceans, ice, land surface, and living organisms.
• Explain how solar energy and internal Earth's heat contribute to climate patterns.
• Identify factors such as aerosols, greenhouse gases, ocean circulation, and land surface properties that cause climate variability.+ Show more

Learning Objectives

• Understand how ice cores, sediments, and proxies reconstruct past atmospheric changes.
• Interpret ratios of gases, isotopes, and fluxes to analyze past climate variability.
• Differentiate between natural variability and recent anthropogenic impacts on carbon levels.+ Show more

Learning Objectives

• Describe the processes involved in mountain building such as plate convergence, thrust faulting, and crustal uplift.
• Identify geological features and structural patterns associated with mountain ranges.
• Explain the roles of weathering and erosion in sculpting mountain landscapes.+ Show more

Learning Objectives

• Understand the greenhouse effect and its role in maintaining Earth's temperature.
• Identify key gases involved in the greenhouse effect and their sources.
• Explain how human activities influence greenhouse gas concentrations.+ Show more

Learning Objectives

• Understand the process of seafloor spreading and its role in plate tectonics.
• Identify evidence that supports models of seafloor spreading, such as magnetic striping and age progression.
• Explain how oceanic crust is created and recycled at mid-ocean ridges and subduction zones.+ Show more

Learning Objectives

• Explain the origins of tidal forces resulting from gravitational interactions among the Moon, Sun, and Earth.
• Describe how the relative positions of the Sun and Moon influence spring and neap tides.
• Identify how local coastline geometry, ocean depth, and resonant basins affect tidal amplitudes.+ Show more

Learning Objectives

• Understand the formation and process of subduction zones.
• Identify geological features associated with subduction zones such as trenches and volcanic arcs.
• Explain how slab dehydration influences volcanic activity and seismic hazards.+ Show more

Learning Objectives

• Understand the three main types of plate boundaries and their geological processes.
• Identify landforms and land features associated with divergent, convergent, and transform boundaries.
• Explain how the spatial arrangement of plate boundaries influences earthquake, volcanic, and crustal deformation patterns.+ Show more

Learning Objectives

• Understand the relationships among Earth's, Sun's, and Moon's orbits that produce lunar phases, seasons, and tides.
• Explain how Earth's axial tilt and orbital eccentricity influence climate and seasonal variations.
• Describe the gravitational interactions between Earth, Moon, and Sun that generate tidal patterns.+ Show more

Learning Objectives

• Understand the concept of Milankovitch cycles and their influence on Earth's climate.
• Identify the three main orbital parameters that vary in Milankovitch theory.
• Explain how variations in Earth's orbit affect glacial and interglacial periods.+ Show more

Learning Objectives

• Explain the process of natural selection and its role in evolution.
• Identify examples of adaptation in Alberta's ecosystems such as prairie grass and snowshoe hares.
• Distinguish between natural and artificial selection and their effects on populations.+ Show more

Learning Objectives

• Understand the principle of conservation of atoms and mass in chemical equations.
• Learn how to balance chemical equations to reflect accurate reactant and product ratios.
• Link formula notation to measurable mass relationships in chemical reactions.+ Show more

Learning Objectives

• Describe the basic components of an atom: protons, neutrons, and electrons.
• Explain how atomic number and mass number relate to isotopes and element identity.
• Understand the Bohr model of electron shells and nuclear composition.+ Show more

Learning Objectives

• Understand the principles of mass conservation in environmental systems.
• Identify chemical processes involved in regional environmental issues such as acid rain and nutrient cycling.
• Interpret observable evidence of environmental change using particulate and atomic explanations.+ Show more

Learning Objectives

• Understand the different types of chemical reactions such as combustion, synthesis, and decomposition.
• Interpret symbolic chemical equations and relate them to real-world reactions.
• Explain energy exchange in chemical processes and the principle of mass conservation.+ Show more

Learning Objectives

• Understand how to apply patterns of chemical behaviour to predict reaction products.
• Recognize common reaction types such as synthesis, decomposition, and neutralization.
• Identify the significance of conservation principles in predicting outcomes.+ Show more

Learning Objectives

• Understand the observable signs indicating chemical changes in substances.
• Identify real-world examples of chemical change evidence, such as rusting and combustion.
• Differentiate between physical and chemical changes based on observable evidence.+ Show more

Learning Objectives

• Understand the principle of conservation of mass in chemical reactions.
• Explain how mass remains constant in closed systems during chemical processes.
• Apply the conservation of mass concept to real-world regional contexts such as emissions and resource processing.+ Show more

Learning Objectives

• Understand the origin and characteristics of magnetic fields produced by permanent magnets and moving electric charges.
• Interpret magnetic field lines and their directional properties.
• Recognize real-world applications of magnetic fields such as compass navigation and industrial sensing.+ Show more

Learning Objectives

• Understand how symptom descriptions, circuit topology, and measurement data are used to diagnose electrical faults.
• Identify fault types such as open circuits, short circuits, and component degradation from observed signals.
• Apply logical inference to interpret instrument readings and determine probable failure modes.+ Show more

Learning Objectives

• Describe the components and architecture of power distribution systems.
• Explain the process of voltage transformation and its importance in electrical grids.
• Analyze how system topology influences reliability and capacity in power networks.+ Show more

Learning Objectives

• Describe the main functions of human organ systems and how they work together.
• Explain how feedback mechanisms regulate physiological processes.
• Identify the roles of the circulatory, respiratory, digestive, renal, nervous, and endocrine systems.+ Show more

Learning Objectives

• Describe how electrons are distributed among energy levels and orbitals in an atom.
• Explain the significance of valence electrons in chemical reactivity and bonding.
• Understand the shell filling order and its relation to periodic trends.+ Show more

Learning Objectives

• Explain how different organelles work together to maintain cellular functions.
• Describe the pathways of genetic information flow and protein trafficking within a cell.
• Identify the roles of mitochondria, lysosomes, and the Golgi apparatus in cellular processes.+ Show more

Learning Objectives

• Explain Newton's second law and its formula relating force, mass, and acceleration.
• Differentiate between mass and weight and understand their units.
• Apply the principle of vector quantities in force and acceleration analysis.+ Show more