Grade 9 Worksheets

Learning Objectives

• Define physical properties as observable or measurable characteristics that do not change chemical identity.
• Identify examples of physical properties such as density, melting point, boiling point, colour, hardness, and conductivity.
• Explain how physical properties are used to classify and separate materials.+ Show more

Learning Objectives

• Explain how end punctuation, commas, and other marks clarify meaning and tone
• Identify punctuation fixes for run-ons and sentence fragments
• Use commas to signal boundaries between clauses and to prevent ambiguity+ Show more

Learning Objectives

• Identify viruses, spyware, and ransomware by their main behaviors
• Explain how security updates reduce malware risk
• Recognize risky links, files, downloads, and attachments+ Show more

Learning Objectives

• Define user interface, layout, button, and navigation
• Identify common interface components and their functions
• Explain how layout affects clarity and ease of use+ Show more

Learning Objectives

• Identify physical barriers that protect the body from pathogens
• Explain how macrophages and inflammation support innate immunity
• Describe how antigen recognition activates adaptive immune responses+ Show more

Learning Objectives

• Explain the law of conservation of mass and its significance in chemistry.
• Identify how balanced chemical equations reflect mass conservation.
• Relate measurable mass changes to molecular rearrangements during reactions.+ Show more

Learning Objectives

• Explain how European colonial expansion changed Indigenous land tenure through land acquisition and legal systems.
• Analyze how settlement patterns and control strategies affected Indigenous sovereignty and community life.
• Evaluate the social and cultural consequences of colonial borders expanding over time.

Learning Objectives

• Explain how biodiversity contributes to ecological stability and human well-being
• Identify ways conservation efforts help protect endangered species and habitats
• Describe how cultural attitudes toward nature can influence support for biodiversity

Learning Objectives

• Define digital identity using examples of online information
• Explain how audiences can shape online reputation
• Interpret how context changes the meaning of online content+ Show more

Learning Objectives

• Develop logical reasoning skills to interpret geometric proofs and relationships.
• Apply formal proof techniques to establish congruence, similarity, and other properties.
• Use problem-solving strategies to interpret geometric diagrams and solve related problems.+ Show more

Learning Objectives

• Choose vocabulary that is precise enough to reduce vagueness in meaning
• Identify how word choice affects tone (formal vs. informal, positive vs. negative, direct vs. measured)
• Revise sentences by replacing general words with specific, accurate diction

Learning Objectives

• Explain how balancing a chemical equation enforces conservation of atoms.
• Use coefficients to determine reactant and product atom counts on both sides of an equation.
• Connect balanced equations to measurable mass relationships in real-world reactions.

Learning Objectives

• Describe physical changes without altering chemical identity
• Classify common phase changes as reversible or irreversible
• Explain energy transfer during melting, freezing, and condensation+ Show more

Learning Objectives

• Understand key concepts related to Science
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Identify different types of epithelial tissue and understand their functions.
• Describe the structure and support roles of connective tissues.
• Explain how muscle tissues generate force and movement.+ Show more

Learning Objectives

• Distinguish static friction from kinetic friction during motion
• Apply the friction approximation F = μN to resistive forces
• Describe how speed, area, and density affect fluid drag+ Show more

Learning Objectives

• Explain why chemical equations must be balanced to reflect conservation of atoms and mass
• Interpret reactants, products, and coefficients in a chemical equation
• Balance simple equations using particle counts represented by coefficients+ Show more

Learning Objectives

• Explain how devices communicate through network connections
• Identify the role of routers in directing network traffic
• Distinguish wired and wireless network connections+ Show more

Learning Objectives

• Use VSEPR electron-pair repulsion to predict the 3D shape of common molecules.
• Connect molecular geometry to polarity and intermolecular forces.
• Relate molecular shape to macroscopic properties such as boiling point and solubility.

Learning Objectives

• Use residual plots and graphical overlays to evaluate how well a model matches empirical data
• Interpret patterns in residuals to diagnose systematic errors, heteroscedasticity, and missing variables
• Select appropriate goodness-of-fit ideas and justify whether to accept, modify, or reject a model

Learning Objectives

• Define and identify sources of genetic variation including mutation, recombination, gene flow, and chromosomal rearrangements.
• Explain how different sources of variation contribute to genetic diversity and evolution.
• Analyze examples of genetic variation mechanisms in real-world or regional contexts.+ Show more

Learning Objectives

• Explain how Earth’s rotation produces daily apparent sky motion
• Explain how Earth’s revolution produces yearly sky changes
• Interpret altitude and azimuth for rising celestial objects+ Show more

Learning Objectives

• Identify the major carbon reservoirs in the Earth's system
• Understand the fluxes that transfer carbon among different reservoirs
• Describe the importance of each reservoir in the global carbon cycle+ Show more

Learning Objectives

• Explain how disturbances can change ecosystem interactions and environmental conditions.
• Describe how feedback processes and recovery rates influence whether an ecosystem returns to its original state.
• Use evidence from population trends and community structure to argue for gradual versus rapid ecosystem shifts.+ Show more

Learning Objectives

• Identify external forces acting on an isolated object
• Draw force arrows using consistent direction and coordinate conventions
• Calculate net force from multiple forces acting on an object+ Show more

Learning Objectives

• Explain how ethical data sovereignty, consent, and representation relate to Indigenous protocols and community trust.
• Identify cause-and-effect relationships between data collection methods and potential harm or empowerment.
• Compare how legal and governance changes influence Indigenous rights and the reliability of geographic sources.

Learning Objectives

• Explain how the geometry between the Sun, Earth, and Moon determines lunar phase appearance from Earth.
• Describe how the synodic month relates to the predictable cycle of lunar phases.
• Use phase terminology (new, waxing, first quarter, waxing gibbous, full, waning) to interpret what fraction of the Moon’s disk is illuminated.+ Show more

Learning Objectives

• Understand what constitutes a chemical change and how it produces new substances.
• Identify various indicators of chemical change such as temperature change, gas production, precipitate formation, and colour change.
• Distinguish observable chemical evidence from physical rearrangement of matter.+ Show more

Learning Objectives

• Understand the purpose and process of treaties between colonial governments and Indigenous communities.
• Identify the key terms and conditions often included in treaties and colonial policies.
• Analyze the impact of colonial laws and policies on Indigenous land rights and sovereignty.+ Show more

Learning Objectives

• Understand how economic activities influenced settlement distribution in colonial Canada.
• Identify the impact of transportation routes and government policies on land settlement.
• Analyze how settlement patterns affected Indigenous populations and land use.+ Show more

Learning Objectives

• Define encryption, decryption, ciphertext, and key in secure communication
• Explain how encryption protects data during network transmission
• Explain how encryption protects data stored on devices+ Show more

Learning Objectives

• Identify common input devices and the information they capture
• Describe the input-processing-output cycle in a computer system
• Explain how captured signals become usable digital data+ Show more

Learning Objectives

• Understand the structure and components of an atom, including protons, neutrons, and electrons.
• Identify how the number of protons determines the element identity.
• Explain the significance of electron arrangement in chemical behavior and bonding.+ Show more

Learning Objectives

• Interpret displacement–time, velocity–time, and acceleration–time graphs by using slope and area.
• Explain how changes in slope on a motion graph relate to changing acceleration.
• Choose correct axis labels and scales to compare different motion profiles accurately.

Learning Objectives

• Explain how particle motion, spacing, and forces account for the macroscopic properties of solids, liquids, and gases.
• Describe how temperature relates to average kinetic energy and how that affects diffusion and gas pressure.
• Use particle interactions to predict how matter changes state and responds to heating or cooling.

Learning Objectives

• Explain how the nephron supports filtration, reabsorption, and secretion to regulate water and electrolytes.
• Describe how ADH and the renin–angiotensin–aldosterone system respond to blood volume and osmolarity cues.
• Connect renal transport processes to changes in blood pressure and internal fluid balance.

Learning Objectives

• Understand the different types of interactions among species in ecosystems.
• Identify how environmental factors influence population dynamics.
• Explain how changes in one species can cascade through an ecosystem.+ Show more

Learning Objectives

• Explain how the water cycle moves water through interconnected reservoirs using evaporation, condensation, precipitation, and runoff.
• Describe how carbon shifts among the atmosphere, living things, oceans, and rocks through photosynthesis, respiration, and chemical exchange.
• Connect solar radiation and Earth’s radiation balance to weather and long-term temperature change.

Learning Objectives

• Understand how series and parallel circuit elements combine to form complex networks.
• Learn methods for simplifying mixed circuits by identifying equivalent resistances.
• Trace current and voltage distribution in combined circuits to analyze load sharing.+ Show more

Learning Objectives

• Analyze how grandparents contribute to intergenerational learning through stories, advice, and lived experience
• Evaluate themes such as values, education, identity, and cultural preservation in traditions shared across generations
• Compare perspectives by identifying how elders’ guidance can shape community relationships

Learning Objectives

• Explain the purpose of the Calvin cycle in carbon fixation during photosynthesis
• Describe how ATP and NADPH are used to drive reduction and regeneration steps
• Identify key inputs, outputs, and enzyme involvement in the light-independent reactions

Learning Objectives

• Understand the properties of waves—frequency, wavelength, and amplitude—and how they relate to wave energy.
• Explain how wave properties influence observable wave behavior.
• Identify the links between wave properties and the energy transferred by waves.

Learning Objectives

• Explain how Newton’s laws relate forces to changes in motion (inertia, force–acceleration, and action–reaction).
• Use Newtonian reasoning to predict how real objects move in common situations such as snowplows, recoil mechanisms, and anchored structures.
• Interpret motion patterns in regional contexts (e.g., erosion control and playground apparatus) using cause-and-effect physics principles.

Learning Objectives

• Understand the differences between mean, median, and mode and their appropriate use cases.
• Explain how skewness, outliers, and multimodal distributions influence the choice of a measure of central tendency.
• Connect the selection of a central tendency to assumptions about data distribution and underlying processes.+ Show more

Learning Objectives

• Understand the differences between ionic lattices, covalent networks, and molecular solids.
• Analyze how particle arrangement affects properties like melting point and electrical conductivity.
• Interpret observations of material properties to infer lattice organization and interparticle forces.+ Show more

Learning Objectives

• Evaluate how urbanization, deforestation, agriculture, and infrastructure change watershed processes such as runoff, sediment load, nutrient fluxes, and groundwater recharge.
• Explain how watershed alterations affect channel morphology, flood frequency, and aquatic ecosystem health.
• Use measurement indicators (turbidity, discharge) to describe changes in watershed function.+ Show more

Learning Objectives

• Identify conservation actions that protect bees and support biodiversity
• Explain how habitat loss and pesticide use affect pollinators and ecosystems
• Describe how individuals, communities, and policies can work together to strengthen conservation

Learning Objectives

• Explain the difference between weather and climate and why long-term patterns matter
• Describe how latitude, elevation, and proximity to water influence regional climate zones
• Interpret how climate patterns affect ecosystems and human activities such as agriculture and settlement+ Show more