Grade 9 Worksheets

Learning Objectives

• Analyze human activities affecting natural resources using quantifiable indicators.
• Interpret resource trends considering natural variability and system thresholds.
• Assess sustainability implications through comparative datasets and ratio-based measures.+ Show more

Learning Objectives

• Describe the apparent daily and annual motion of celestial objects caused by Earth's rotation and revolution.
• Explain how Earth's movements create changing sky patterns over nights and seasons.
• Use celestial coordinate concepts like rising, setting, altitude, and azimuth to understand observed motions.+ Show more

Learning Objectives

• Understand the mechanisms of passive diffusion, facilitated transport, and active transport across cell membranes.
• Identify the roles of membrane composition and transporters in maintaining cellular homeostasis.
• Explain how concentration gradients and membrane permeability influence transport efficiency.+ Show more

Learning Objectives

• Explain the concept of cosmic timescales and how observational evidence constrains the age of the universe
• Describe key phenomena such as redshift, cosmic microwave background, and primordial element abundances
• Interpret data related to the expansion of the universe and cosmic history+ Show more

Learning Objectives

• Understand the principles of information encoding through modulation and multiplexing.
• Differentiate between amplitude, frequency, and phase variation techniques used in signal transmission.
• Compare pulse-code modulation and analog amplitude modulation in terms of bandwidth, fidelity, and noise susceptibility.+ Show more

Learning Objectives

• Understand the principles 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.
• Interpret sign conventions for energy flow and relate energy changes to conservation principles in closed systems.+ Show more

Learning Objectives

• Understand the concepts of kinetic and potential energy and their mathematical expressions.
• Recognize the principles of energy conservation and how non-conservative forces like friction affect mechanical energy.
• Identify real-world phenomena involving mechanical energy, such as pendulums, colliding carts, and roller coasters.+ Show more

Learning Objectives

• Understand the concept of work as the dot product of force and displacement, incorporating the angle between them.
• Differentiate methods for calculating work with constant and variable forces.
• Apply area-under-curve methods to estimate work for non-constant forces using common approximations.+ Show more

Learning Objectives

• Identify different types of natural hazards and their triggering mechanisms.
• Analyze spatial patterns and recurrence intervals of hazards.
• Evaluate the impacts of hazards on human and ecological systems.+ Show more

Learning Objectives

• Explain the process of natural selection and how it favors heritable traits in specific environments.
• Identify examples of adaptation such as prairie grass resilience and snowshoe hare camouflage.
• Differentiate between natural selection and artificial selection in shaping populations.+ Show more

Learning Objectives

• Explain the concept of work as energy transfer by a force acting through a distance.
• Identify and describe simple machines such as levers, pulleys, and inclined ramps and their functions.
• Analyze the relationship between force, distance, and mechanical advantage in machine operation.+ Show more

Learning Objectives

• Understand the concept of work as energy transfer through a force acting over a distance.
• Explain how simple machines modify force and distance to make work easier.
• Identify real-world examples of levers, pulleys, and inclined ramps in Alberta contexts.+ Show more

Learning Objectives

• Identify key lines of empirical evidence supporting evolutionary theory.
• Explain the significance of fossil, anatomical, and genetic data in understanding common ancestry.
• Recognize examples of transitional fossils, homologous structures, and DNA similarities among species.+ Show more

Learning Objectives

• Explain the mechanisms behind divergence, convergence, and transform plate boundaries.
• Identify surface features and geologic evidence associated with different types of plate boundaries.
• Describe how plate tectonics influences seismic and volcanic activity globally.+ Show more

Learning Objectives

• Explain how atomic number and mass number determine the identity and isotopes of elements
• Describe the roles of protons, neutrons, and electrons in atomic structure
• Use simple nucleus and electron-shell models to predict basic chemical behaviour+ Show more

Learning Objectives

• Evaluate biotechnological proposals by balancing potential benefits and potential risks to individuals and communities.
• Explain ethical concerns related to genetic privacy, informed consent, off-target genome-editing effects, and ecological consequences.
• Identify how equitable access and public engagement influence regulation and policy decisions for biotechnology.

Learning Objectives

• Identify and describe the major tissue types in the human body.
• Understand the functions of epithelial, connective, muscle, and nervous tissues.
• Explain how tissue structure relates to tissue function and organ properties.+ Show more

Learning Objectives

• Describe the biochemical pathways involved in cellular respiration, including glycolysis, citric acid cycle, and electron transport chain.
• Explain the role of ATP in energy transfer within cells.
• Relate the functions of mitochondria and chloroplasts to metabolic processes such as respiration and photosynthesis.+ Show more

Learning Objectives

• Investigate the historical impact of Irish immigrants on regional cultures.
• Analyze key events and figures that shaped Irish diaspora identity.
• Examine the social integration and resilience of Irish communities.+ Show more

Learning Objectives

• Explain the steps of an effective decision process in health situations.
• Identify options, gather relevant information, and evaluate possible outcomes before choosing.
• Use values and external influences to make responsible health decisions.

Learning Objectives

• Understand the structure and function of enzymes as biological catalysts.
• Explain how enzymes lower activation energy and stabilize transition states.
• Describe the role of protein structure, amino acids, cofactors, and coenzymes in enzyme activity.+ Show more

Learning Objectives

• Understand various mechanisms of enzyme regulation including allosteric control, inhibition, covalent modification, and gene expression.
• Explain how environmental factors such as temperature and pH influence enzyme activity.
• Describe the role of feedback inhibition in metabolic pathways.+ Show more

Learning Objectives

• Understand the key concepts of computational modeling and its applications in science.
• Identify true or false statements related to mathematical and computational methods in system design.
• Develop critical thinking by evaluating statements based on the principles of modeling and numerical analysis.

Learning Objectives

• Understand the difference between negative and positive feedback in physiological regulation.
• Identify examples of feedback mechanisms involved in thermoregulation, blood glucose, and osmoregulation.
• Explain the terms set point, sensor-effector loop, and temporal dynamics of feedback responses.+ Show more

Learning Objectives

• Understand the difference between series and parallel circuits.
• Identify circuit behavior based on component arrangements.
• Explain how current and voltage behave in series and parallel circuits.+ Show more

Learning Objectives

• Explain how honesty, confidentiality, and empathy build trust in relationships.
• Demonstrate active listening and respectful communication that supports emotional safety.
• Describe how reliability and boundary-respecting choices strengthen personal, social, and community trust.

Learning Objectives

• Clear denominators in rational equations to form equivalent polynomial (often quadratic) equations
• Identify excluded values (values that make denominators zero) when solving rational equations
• Solve the resulting quadratic and check candidate solutions against excluded values

Learning Objectives

• Understand the concept of action–reaction force pairs in Newton's third law.
• Identify examples of equal magnitude and opposite directions in force interactions.
• Analyze the implications of Newton's third law in real-world phenomena like propulsion and collisions.+ Show more

Learning Objectives

• Explain how Earth's rotation and orbit produce day-night cycles and seasonal changes.
• Describe the relative motions of the Earth, Moon, and Sun and their observable effects.
• Identify the orbital parameters that affect the apparent motion of celestial bodies.+ Show more

Learning Objectives

• Understand the key mechanisms of plate tectonics, including seafloor spreading and subduction zones.
• Interpret geologic cross-sections and magnetic anomaly patterns as evidence of Earth's internal processes.
• Describe how mantle convection and crustal deformation influence surface features such as mountains and ocean basins.+ Show more

Learning Objectives

• Understand the different types of natural hazards and their origins.
• Analyze how spatial patterns and triggering mechanisms influence hazard risks.
• Evaluate the long-term impacts of natural hazards on landscapes and human systems.+ Show more

Learning Objectives

• Understand how water movement shapes Earth's surface features through erosion, transport, and deposition.
• Analyze hydrologic data such as discharge records and sediment measurements to interpret landscape evolution.
• Evaluate the effects of storm events and long-term processes on watershed morphology.

Learning Objectives

• Use inverse-square relationships to calculate gravitational and electrostatic force magnitudes.
• Determine force directions using vector reasoning for attraction and repulsion.
• Compare how force strength changes across different separation distances and between force types.

Learning Objectives

• Explain the principles of VSEPR theory related to molecular shapes.
• Identify common molecular geometries such as linear, trigonal planar, tetrahedral, and bent.
• Understand how molecular shape influences polarity and physical properties.+ Show more

Learning Objectives

• Understand the stepwise process of glycolysis and its energy changes.
• Identify the key intermediates and branch points in glycolysis.
• Describe how glycolysis functions under aerobic and anaerobic conditions.+ Show more

Learning Objectives

• Explain the mechanisms of natural selection and how heritable variation contributes to evolution.
• Identify examples of natural selection, such as finch beak shapes and bacterial resistance.
• Describe the role of environmental pressures in adaptive changes in populations.+ Show more

Learning Objectives

• Quantify surface and subsurface water flows using water-budget frameworks, hydrographs, and groundwater level records.
• Relate precipitation inputs, evapotranspiration, and human withdrawals to streamflow variability and aquifer sustainability.
• Analyze how altered hydrologic fluxes impact geomorphic responses such as channel adjustments and sediment yield.+ Show more

Learning Objectives

• Understand the concept of genetic drift and its role in evolution.
• Identify different events that cause genetic drift, such as bottlenecks and founder effects.
• Explain how chance events can influence genetic diversity in small populations.+ Show more

Learning Objectives

• Understand what constitutes a chemical change and how it differs from physical change.
• Identify common observable indicators of chemical reactions such as temperature change, gas production, precipitate formation, and color change.
• Interpret microscopic evidence of reactant-to-product transformation in chemical reactions.+ Show more

Learning Objectives

• Understand the concepts of electric and magnetic fields and their vectors.
• Learn about superposition of fields and the forces on moving charges.
• Analyze how field lines represent the direction and magnitude of fields.+ Show more

Learning Objectives

• Explain how the Protestant Reformation challenged Catholic authority and contributed to new Christian denominations.
• Describe the goals of the Catholic Reformation and how it responded to Protestant criticism.
• Analyze how religious changes affected social structures, politics, and cultural practices across Europe.

Learning Objectives

• Explain how common human activities (plastic use, fishing practices, and greenhouse-gas emissions) affect ocean health.
• Analyze how ocean degradation can create social and economic consequences for communities.
• Apply sustainability concepts to propose realistic actions that reduce harm to marine ecosystems.

Learning Objectives

• Describe the key components of Milankovitch cycles and their effects on Earth's climate.
• Explain how variations in Earth's orbit influence glacial and interglacial periods.
• Analyze the relationship between astronomical forcing and long-term climate variability.+ Show more

Learning Objectives

• Understand the concept of work in relation to force, displacement, and energy transfer.
• Identify how positive and negative work affect an object's energy.
• Describe different scenarios where work is done, such as lifting, pushing, and compressing objects.+ Show more

Learning Objectives

• Explain the process and stages of ecological succession, including primary and secondary succession.
• Identify key species and environmental factors involved in succession.
• Model and predict long-term ecosystem changes using species traits, dispersal, and disturbance regimes.+ Show more

Learning Objectives

• Explain how crossing over during meiosis creates genetic variation in gametes
• Describe how independent assortment increases variation by changing chromosome combinations
• Connect meiotic variation to differences observed in offspring after fertilization

Learning Objectives

• Understand the mathematical form of gravitational and electrostatic force equations.
• Apply inverse-square law formulas to calculate magnitudes of forces between objects.
• Analyze the directions of forces in vector form in various scenarios.+ Show more

Learning Objectives

• Understand the hierarchical organization of cells, tissues, organs, and systems.
• Identify examples of different tissue types and their functions.
• Explain how cell specialization leads to specific tissue and organ functions.+ Show more