Grade 9 Worksheets

Learning Objectives

• Identify the main subatomic particles that make up an atom.
• Understand how protons, neutrons, and electrons determine an element's identity and properties.
• Explain the concept of isotopes and how neutron variation affects atomic stability.+ Show more

Learning Objectives

• Describe the components of Milankovitch cycles and their effects on Earth's climate.
• Explain how variations in Earth's orbit influence glacial and interglacial periods.
• Identify the three main orbital parameters involved in Milankovitch cycles and their long-term impact.+ Show more

Learning Objectives

• Describe the main pathways involved in cellular respiration, including glycolysis, the citric acid cycle, and electron transport chain.
• Explain how substrate-level and oxidative phosphorylation contribute to ATP production.
• Compare aerobic and anaerobic respiration in terms of ATP yield and metabolic outcomes.+ Show more

Learning Objectives

• Describe the main processes involved in energy transfer within the atmosphere and oceans.
• Interpret diagrams and tables illustrating the global energy budget and fluxes.
• Explain how differential heating influences atmospheric circulation and climate patterns.+ Show more

Learning Objectives

• Understand the mechanisms linking ocean surface temperatures and atmospheric variability.
• Identify phenomena such as ENSO and their impacts on regional and global climate patterns.
• Describe methods like time-series analysis and lag-correlation to study ocean-atmosphere interactions.+ Show more

Learning Objectives

• Describe how changing magnetic flux induces an electromotive force in conductors
• Explain the relationship between flux change, induced voltage, and frequency
• Connect concepts of electromagnetic induction to real-world applications like transformers and generators

Learning Objectives

• Understand how electrons are distributed among energy levels and orbitals in atoms.
• Identify the role of valence electrons in chemical reactivity and bonding.
• Describe the shell filling order and its impact on periodic trends.+ Show more

Learning Objectives

• Understand and define electric current, voltage, and resistance as fundamental electrical quantities.
• Interpret the units and symbols associated with electric current, voltage, and resistance.
• Apply qualitative reasoning to regional electrical systems including transmission, household circuits, and manufacturing components.+ Show more

Learning Objectives

• Understand key observational evidence used to determine the age and expansion of the universe.
• Explain the significance of redshift surveys, Hubble's law, and cosmic microwave background measurements.
• Analyze how primordial element abundances help constrain cosmic history.+ Show more

Learning Objectives

• Understand the process of speciation and how it contributes to biodiversity.
• Identify different reproductive barriers and mechanisms involved in speciation.
• Differentiate between allopatric and sympatric speciation and their causes.+ Show more

Learning Objectives

• Understand the structure of evidence-based reasoning linking observations, analyses, and claims.
• Identify standards for sufficiency, consistency, and handling competing explanations.
• Utilize multiple representations such as graphs, summaries, and diagrams to support inferences.+ Show more

Learning Objectives

• Understand how to interpret different types of graphs such as scatterplots, histograms, line graphs, and residual displays.
• Learn how to select an appropriate graph type based on data patterns and relationships.
• Identify the importance of axis scaling, labeling, binning choices, and visual patterns in data analysis.+ Show more

Learning Objectives

• Differentiate between heterogeneous mixtures and homogeneous solutions.
• Identify key components such as solute and solvent in a mixture.
• Understand how concentration affects the appearance and behavior of solutions.+ Show more

Learning Objectives

• Identify various human activities that affect biodiversity and ecosystems.
• Understand how habitat fragmentation, pollution, and resource extraction alter ecosystem services.
• Evaluate the effects of invasive species and greenhouse gases on species diversity and ecosystem functioning.+ Show more

Learning Objectives

• Explain the movement of elements such as carbon, nitrogen, and phosphorus among Earth's reservoirs.
• Identify key processes like photosynthesis, decomposition, nitrogen fixation, and weathering in biogeochemical cycles.
• Analyze how fluxes and reservoir sizes influence ecosystem responses to environmental disturbances.+ Show more

Learning Objectives

• Describe different types of species interactions that occur within communities.
• Identify the roles of keystone species and ecosystem engineers.
• Analyze how species interactions influence community structure and ecosystem stability.+ Show more

Learning Objectives

• Explain the process of natural selection and how heritable traits influence reproductive success.
• Distinguish between natural selection and artificial selection in shaping populations.
• Identify examples of adaptation in Alberta species such as prairie grass resilience and snowshoe hare camouflage.+ Show more

Learning Objectives

• Understand methods for assessing the fit between models and empirical data.
• Interpret residual plots and goodness-of-fit measures to evaluate models.
• Identify patterns indicating issues like heteroscedasticity or missing variables.+ Show more

Learning Objectives

• Explain how surface texture and normal force affect friction on different terrains.
• Describe how air density and shape influence aerodynamic drag on various objects.
• Use coefficients of friction and drag coefficients to estimate resistance forces in different environments.+ Show more

Learning Objectives

• Understand the origin and nature of Earth's magnetic field.
• Describe regional variation in magnetic declination and its implications.
• Explain how magnetic field measurements are used in geological and environmental monitoring.+ Show more

Learning Objectives

• Describe the process of gene transcription and translation.
• Identify the roles of DNA, mRNA, tRNA, and ribosomes in gene expression.
• Explain how gene regulation influences gene expression at different stages.+ Show more

Learning Objectives

• Understand standardized symbols used in circuit diagrams.
• Interpret circuit topology from schematic diagrams.
• Predict current paths, voltage drops, and node relationships based on symbols and notation.+ Show more

Learning Objectives

• Identify the major organelles and understand their specific functions in the cell.
• Explain how organelles like mitochondria and chloroplasts contribute to energy production.
• Compare the structures of various organelles and relate them to their roles.+ Show more

Learning Objectives

• Identify and describe different types of chemical bonds: ionic, covalent, and metallic.
• Explain how electron arrangements influence material properties.
• Recognize bond types from characteristic properties and behaviors.+ Show more

Learning Objectives

• Understand human activities that influence watershed processes, including urbanization, deforestation, agriculture, and infrastructure development.
• Describe the consequences of watershed alterations on runoff, sediment loads, nutrient fluxes, and groundwater recharge.
• Relate changes in watershed activities to effects on channel morphology, flood frequency, and aquatic ecosystem health.+ Show more

Learning Objectives

• Identify common molecular techniques used in biotechnology applications.
• Explain how techniques like PCR, gel electrophoresis, DNA sequencing, and CRISPR are used in research and medicine.
• Describe various applications of biotechnology in diagnostics, gene therapy, and agriculture.+ Show more

Learning Objectives

• Understand the basic interactions involved in forces such as push and pull
• Identify contact and non-contact forces in real-world Alberta settings
• Explain how magnitude and direction of forces combine vectorially+ Show more

Learning Objectives

• Analyze the effects of human activities such as fossil fuel combustion, deforestation, and urbanization on climate variables.
• Interpret data trends from indicators like the Keeling Curve and vegetation loss satellites.
• Evaluate evidence linking emissions to regional and global ecosystem changes.+ Show more

Learning Objectives

• Understand the relationship between photon energy, frequency, and wavelength across the electromagnetic spectrum.
• Explain characteristic phenomena such as atomic emission and absorption lines.
• Apply Planck’s relation to compare the energy of different electromagnetic signals.+ Show more

Learning Objectives

• Describe the processes involved in the rock cycle, including melting, crystallization, weathering, transport, deposition, and metamorphism.
• Explain the physical and chemical mechanisms that drive transformations among igneous, sedimentary, and metamorphic rocks.
• Relate rock-forming processes to tectonic settings such as mid-ocean ridges, subduction zones, and continental interiors.+ Show more

Learning Objectives

• Compare energy and mineral resource options based on environmental impacts and life-cycle costs.
• Evaluate the trade-offs involved in resource extraction methods and use.
• Analyze factors such as water use, land disturbance, emissions, and sustainability in resource decision-making.+ Show more

Learning Objectives

• Define elements as specific types of atoms characterized by proton count and symbols.
• Explain how atomic models help represent atomic identity.
• Identify representative elements and understand the roles of atomic mass and symbols in classification.+ Show more

Learning Objectives

• Explain the role of simple computational simulations and numerical models in generating predictions.
• Identify how parameters influence simulation outcomes and the importance of scenario comparison.
• Describe how ensembles and visualizations represent forecast uncertainty.+ Show more

Learning Objectives

• Understand the key safety standards and codes for electrical installations.
• Identify purpose and labeling of protective devices used in electrical safety.
• Assess environmental considerations affecting electrical safety compliance.+ Show more

Learning Objectives

• Describe interactions among organisms and abiotic components that drive material cycling and energy flow in ecosystems.
• Explain the processes of carbon and nitrogen cycles, trophic transfer, and stoichiometric constraints.
• Analyze the impacts of perturbations such as nutrient enrichment, habitat alteration, and invasive species on ecosystem function.+ Show more

Learning Objectives

• Understand the concept of energy conservation within different systems.
• Learn to represent energy transfers using diagrams and mathematical models.
• Identify and trace energy reservoirs during physical and chemical processes.+ Show more

Learning Objectives

• Understand the concepts of potential and kinetic energy in chemical reactions.
• Identify whether a reaction is endothermic or exothermic based on energy diagrams.
• Explain how bond breaking and formation relate to energy absorption or release.+ Show more

Learning Objectives

• Identify and describe the different categories of chemical reactions.
• Recognize characteristic reactant patterns and products in various reactions.
• Classify reactions into synthesis, decomposition, displacement, and combustion based on their features.+ Show more

Learning Objectives

• Analyze the interactions among different body systems that maintain homeostasis.
• Describe feedback mechanisms, set points, and coordination between endocrine and nervous responses.
• Understand how systems like circulation, respiration, renal, and neural control work together to sustain internal stability.+ Show more

Learning Objectives

• Understand the conventions for representing forces in free-body diagrams.
• Identify and label common forces such as weight, normal force, tension, and friction.
• Apply free-body diagrams to analyze situations involving equilibrium and acceleration.+ Show more

Learning Objectives

• Interpret position–time and velocity–time graphs to describe motion.
• Understand the significance of slopes and areas under graphs in kinematics.
• Link graphical representations to algebraic formulas of velocity and acceleration.+ Show more

Learning Objectives

• Understand the basic kinematic equations relating displacement, velocity, acceleration, and time.
• Apply the equations to scenarios involving free-fall and projectile motion.
• Interpret sign conventions and component-wise treatment in uniform acceleration problems.+ Show more

Learning Objectives

• Understand the principles of mechanical energy conservation in ideal systems.
• Identify conditions under which total mechanical energy remains constant.
• Explore the role of non-conservative work, such as friction, in energy dissipation.+ Show more

Learning Objectives

• Describe power as the rate of energy transfer or work per unit time, including average and instantaneous formulations.
• Explain the concept of mechanical efficiency and how it quantifies useful output work relative to input, relating losses to friction and heat.
• Compare power ratings of motors and analyze mechanical advantage trade-offs in machines to evaluate performance.

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 Newton's First Law as a statement about inertia and its relationship with external forces.
• Distinguish between rest and constant velocity states of motion.
• Describe how balanced forces contribute to static and dynamic equilibrium.+ Show more

Learning Objectives

• Understand how wind and solar resources are integrated into the electrical grid.
• Identify challenges such as intermittency and balancing mechanisms.
• Analyze the environmental and economic implications of renewable energy sources.+ Show more

Learning Objectives

• Understand and apply the conservation of mass in balanced chemical equations.
• Calculate molar relationships, masses, and particle counts in chemical reactions.
• Identify limiting reagents and compute theoretical yields.+ Show more