Grade 9 Worksheets

Learning Objectives

• Understand the processes involved in nutrient cycling within ecosystems.
• Identify key pathways and reservoirs for carbon, nitrogen, and phosphorus.
• Explain human impacts such as fertilizer runoff and eutrophication.+ Show more

Learning Objectives

• Describe the components of an atom, including protons, neutrons, and electrons.
• Explain electron configurations and their role in atomic properties.
• Understand how the periodic table organizes elements based on valence electrons and properties.+ Show more

Learning Objectives

• Understand the concept of molar ratios in balanced chemical equations
• Apply mass and mole relationships to calculate reactant and product quantities
• Determine limiting reagents and calculate theoretical yields in chemical reactions+ Show more

Learning Objectives

• Explain how temperature, pressure, concentration, and catalysts influence chemical reactions and their rates.
• Describe the principles of equilibrium and kinetics in reaction systems.
• Assess how reaction conditions can be optimized for yield, selectivity, and minimizing side reactions.+ Show more

Learning Objectives

• Explain the kinetic principles that relate reaction rate to molecular collisions, activation energy, and pathways.
• Analyze how temperature, concentration, and catalysts affect reaction speed and energy distributions.
• Describe rate laws and reaction order with examples such as bromine-iodide kinetics and decomposition reactions.+ Show more

Learning Objectives

• Understand the basic roles of the kidneys in maintaining homeostasis.
• Learn the structure and function of nephrons in renal regulation.
• Identify how hormonal systems influence kidney function and blood pressure.+ Show more

Learning Objectives

• Understand the basic concept of seafloor spreading
• Identify evidence for seafloor spreading, such as magnetic striping
• Explain the importance of seafloor age progression and spreading rates+ Show more

Learning Objectives

• Understand the key matter cycling processes that sustain ecosystems, including microbial decomposition, fixation, mineralization, and sedimentation.
• Identify how human activities like fertilizer runoff impact nutrient fluxes and ecosystem health.
• Explain the concepts of reservoirs, fluxes, and how alterations influence primary productivity and long-term nutrient availability.+ Show more

Learning Objectives

• Understand the different types of chemical bonds: ionic, covalent, and metallic.
• Describe how Lewis structures represent electron sharing and transfer.
• Explain how bonding affects properties like melting point, conductivity, and solubility.+ Show more

Learning Objectives

• Explain how photosynthesis and respiration transfer energy between organisms
• Describe NPP and its relationship to biomass accumulation
• Use GPP and respiration to predict energy available to consumers+ Show more

Learning Objectives

• Explain how matter moves among atmosphere, hydrosphere, lithosphere, and biosphere in biogeochemical cycles.
• Describe the roles of key processes (photosynthesis, decomposition, nitrogen fixation, and weathering) in regulating cycle rates and ecosystem productivity.
• Interpret how changes in reservoir size and flux affect model predictions for carbon, nitrogen, and phosphorus pools.

Learning Objectives

• Understand the organization of the nervous system from neurons and synapses to neural circuits.
• Explain how action potentials and synaptic transmission propagate signals in neural pathways.
• Relate cellular features such as myelination and synaptic architecture to conduction velocity and processing capacity.+ Show more

Learning Objectives

• Interpret seismic waveforms to identify likely P- and S-wave arrivals and describe what they indicate about earthquake depth and distance.
• Use travel-time ideas and epicenter mapping concepts to explain how seismographs help locate rupture zones.
• Connect patterns of seismicity and instrument-based evidence to tectonic environments and surface hazards such as tsunamis.

Learning Objectives

• Define natural selection and explain its basic principles
• Identify key concepts related to heritable variation and environmental pressures
• Recognize examples of natural selection in nature+ Show more

Learning Objectives

• Explain how melting, crystallization, weathering, transport, deposition, and metamorphism transform rock materials
• Distinguish physical vs. chemical weathering and relate them to sediment composition
• Connect rock-cycle processes to tectonic settings such as mid-ocean ridges, subduction zones, and continental interiors+ Show more

Learning Objectives

• Describe the organization of the nervous system from neurons and synapses to neural circuits and central integration.
• Explain how action potentials and synaptic transmission propagate signals within the nervous system.
• Relate cellular features like myelination and synaptic architecture to conduction velocity and processing capacity.+ Show more

Learning Objectives

• Understand the structural differences between ionic lattices, covalent networks, and molecular solids.
• Identify how properties like melting point, electrical conductivity, hardness, and solubility reflect lattice organization.
• Compare the characteristics of ionic solids, molecular solids, and covalent network solids based on their particle arrangement and electrical forces.+ Show more

Learning Objectives

• Identify ionic bonds and understand electron transfer
• Recognize the characteristics of ionic bonds
• Differentiate ionic bonds from covalent and metallic bonds

Learning Objectives

• Analyze how revolutionary ideas about justice and rights are communicated through speeches and writings.
• Evaluate perspectives in historical testimonies and explain how word choice shapes meaning.
• Connect events from the French Revolution to ongoing struggles for equality and human rights.

Learning Objectives

• Decompose two-dimensional motion into perpendicular components and relate them to displacement and acceleration.
• Predict projectile outcomes (range, apex height, and time of flight) using independent x- and y-motion models.
• Translate between component equations and combined vector descriptions of motion.+ Show more

Learning Objectives

• Explain different prototyping methods and their applications.
• Identify appropriate fidelity levels, materials, and testing protocols for prototypes.
• Understand iterative design processes and how test data informs refinement.+ Show more

Learning Objectives

• Compare common mapping tools (compass, GPS, topographic maps, and digital platforms) and choose the best tool for a specific spatial question
• Explain how scale and projection affect what maps show and why distortion or detail trade-offs occur
• Analyze how measurement errors and changing map conventions can influence the reliability of geographic information+ Show more

Learning Objectives

• Understand how hormonal feedback maintains blood glucose levels.
• Identify roles of insulin and glucagon in energy balance.
• Explain negative feedback mechanisms regulating glucose.+ Show more

Learning Objectives

• Explain how testing helps find problems in a digital project and how it supports improvement.
• Use user feedback to identify errors, confusion, and missing features.
• Describe practical steps to revise and improve a project after collecting observations.

Learning Objectives

• Understand the differences between mixtures and solutions
• Identify the parts of a solution: solute and solvent
• Explain the concept of concentration in solutions+ Show more

Learning Objectives

• Understand the structure of DNA and its components
• Identify the organization of chromosomes within the nucleus
• Explain how DNA is packed into chromosomes and its relation to heredity+ Show more

Learning Objectives

• Define what an element is based on its atomic number and chemical symbol.
• Describe how atomic models represent atomic identity.
• Identify representative elements and understand the significance of atomic mass and notation.+ Show more

Learning Objectives

• Explain how cell organelles in eukaryotic cells support specific functions, including transport, energy production, and protein synthesis.
• Relate membrane structure and compartmentalization (folding and surface area) to metabolic rates and effective exchange.
• Connect nucleus/chromatin organization and cytoskeletal elements to how cells maintain control, shape, and transport.

Learning Objectives

• Explain how organized information improves reader understanding and communication
• Identify how topic sentences, headings, and transitions support logical structure
• Revise or evaluate writing for clarity using purposeful sequencing

Learning Objectives

• Explain how net force is found by adding forces as vectors (including direction).
• Use net force to predict changes in motion, including acceleration or equilibrium.
• Identify how opposing forces like friction and air resistance affect the resultant force.

Learning Objectives

• Analyze survivor testimony to identify themes of suffering, hope, and reconciliation.
• Reflect on ethical questions related to the use of atomic weapons and responsibility toward civilians.
• Connect personal narratives to broader ideas of war and peace, advocacy, and empathy.

Learning Objectives

• Understand how waterways, mountain passes, and corridors facilitate international interactions.
• Identify the impact of geographic features on trade, cultural exchange, and regional interdependence.
• Analyze the role of geographic location in shaping international relationships and regional cooperation.

Learning Objectives

• Identify how physical geography and economic factors influence where people cluster or disperse
• Explain the consequences of settlement patterns for land use, transportation, and regional services
• Describe how Indigenous settlement patterns show continuity and change in relation to environment and policy

Learning Objectives

• Explain how physical geography and resource location influence where people cluster and spread out.
• Analyze how economic opportunity affects settlement along coasts, rivers, and urban corridors.
• Evaluate how transportation, land use, and regional services are shaped by settlement patterns over time.

Learning Objectives

• Describe how and why population distribution patterns cluster across landscapes
• Explain relationships among environment, economy, and transportation in settlement patterns
• Analyze continuity and change in historical and present settlement patterns in Canada+ Show more

Learning Objectives

• Identify different types of errors in measurement.
• Distinguish between random and systematic errors.
• Understand how uncertainty influences scientific data analysis.+ Show more

Learning Objectives

• Understand the main types of tissues and their functions.
• Identify the structures and specialized cells of different tissue types.
• Describe how tissue organization contributes to organ function.+ Show more

Learning Objectives

• Classify forces as contact forces or non-contact forces using common examples.
• Identify the magnitude, direction, and point of application qualitatively in everyday situations.
• Describe action–reaction pairs for forces between two interacting objects.

Learning Objectives

• Identify major organelles and describe their primary functions
• Explain how compartmentalization supports efficient cellular reactions
• Explain how membrane surface area affects exchange and metabolism+ Show more

Learning Objectives

• Understand the layered internal structure of Earth based on seismic, gravity, and heat-flow evidence.
• Interpret behavior of P-waves and S-waves to distinguish Earth's internal composition.
• Analyze the role of density contrasts and mantle temperature gradients in convective heat transfer.+ Show more

Learning Objectives

• Define and describe different types of ecosystem services including provisioning, regulating, cultural, and supporting functions.
• Explain the role of biodiversity in maintaining ecosystem services such as pollination and water purification.
• Analyze how land-use change, pollution, and climate shifts affect ecosystem service capacity and distribution.+ Show more

Learning Objectives

• Understand the functions of key cell organelles
• Describe how organelles work together in systems
• Recognize the significance of organelle cooperation for cell health

Learning Objectives

• Differentiate static friction and kinetic friction in terms of relative motion and resistance
• Describe how drag depends on speed, medium density, and cross-sectional area
• Use friction coefficients and drag regimes to reason about net force and energy dissipation

Learning Objectives

• Describe the basic components of an atom: protons, neutrons, and electrons.
• Explain how atomic number and mass number define isotopes and elemental identity.
• Illustrate simple models of nuclei and electron shells to understand chemical behavior.+ Show more

Learning Objectives

• Understand basic weather measurements such as temperature, humidity, wind speed, and atmospheric pressure.
• Recognize how these measurements relate to observable weather patterns like cloud formation and storm activity.
• Explore how short-term weather data can indicate daily conditions and long-term data can reveal climate trends.

Learning Objectives

• Understand the importance of controls in scientific investigations.
• Identify key safety practices to ensure reliable data collection.
• Explain how variables are managed to attribute causes to effects.+ Show more

Learning Objectives

• Explain the hierarchical relationship among cells, tissues, organs, and organ systems
• Describe how cell specialization and extracellular matrices support emergent organ functions
• Use scaling ideas (surfaces vs. volume, interfaces) to predict how physiology changes from cells to systems

Learning Objectives

• Understand the structure and function of the circulatory system
• Explain how blood transports oxygen and nutrients
• Identify key components involved in blood circulation+ Show more