Grade 9 Worksheets

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

• Identify the parts of an atom (protons, neutrons, and electrons) and their locations.
• Explain how atomic number and mass number determine an element and its isotope.
• Describe how a simple electron-shell model helps explain basic chemical behavior.

Learning Objectives

• Identify how transitions, topic sentences, and concluding statements create coherent organization in a text.
• Analyze how comparison, cause-effect, and problem-solution structures help readers follow reasoning.
• Maintain consistent perspective and tense when planning and revising writing for clarity.

Learning Objectives

• Explore poetic language to evoke emotion related to forests and ecological themes.
• Compose original poems inspired by ecological awareness and natural environments.
• Reflect on the interconnectedness of humans and nature through creative writing.+ Show more

Learning Objectives

• Explain how ocean currents and sea-surface temperature anomalies influence atmospheric circulation and regional climate.
• Describe how El Niño affects storm tracks and precipitation patterns and why those effects can vary by location.
• Analyze the mechanisms behind lake-effect snow and evaluate how ocean-atmosphere interactions affect communities and ecosystems.+ Show more

Learning Objectives

• Identify the six classical simple machines and explain how each can change force and/or direction
• Use ideal mechanical advantage relationships to connect input force with output force and displacement
• Explain real-world limits (friction and deformation) and how they affect mechanical advantage

Learning Objectives

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

Learning Objectives

• Understand basic mathematical concepts used in financial modeling.
• Apply percentage and ratio calculations to personal finance scenarios.
• Interpret and analyze financial data to make informed budgeting decisions.+ Show more

Learning Objectives

• Understand the concept of impulse and its relation to force and time during collisions.
• Interpret force-time graphs to analyze impact forces and interaction durations.
• Evaluate different safety features (crumple zones, airbags, helmets) in reducing peak forces during collisions.+ Show more

Learning Objectives

• Understand the key components involved in defining design criteria for engineering solutions.
• Identify how scientific principles influence the selection of feasible approaches.
• Recognize the importance of models and evidence in connecting features to expected performance.+ Show more

Learning Objectives

• Identify key qualities of genuine friendships, including communication and empathy
• Explain how respectful conflict resolution can strengthen relationships
• Apply strategies for kindness and inclusion to real classroom situations

Learning Objectives

• Explain how Earth’s water cycle moves matter and energy among reservoirs such as oceans, clouds, land, groundwater, and ice
• Describe how carbon moves among the atmosphere, living things, oceans, and rocks through processes like photosynthesis and respiration
• Connect incoming solar radiation and outgoing Earth radiation balance to temperature and weather patterns

Learning Objectives

• Explain how engineering constraints limit what solutions are feasible
• Identify common constraint sources (power, cost, materials, regulations, and environment) in a real scenario
• Use measurable requirements to reason from constraints to design trade-offs+ Show more

Learning Objectives

• Identify what counts as relevant evidence that supports a claim in oral communication.
• Explain how evidence becomes persuasive by connecting it clearly to a central message.
• Use organization strategies (cause-effect, comparison, and sequencing) to make relationships among ideas easy to follow.

Learning Objectives

• Explain how eccentricity, axial tilt, and precession change seasonal insolation and long-term climate patterns
• Describe tidal forcing from the Moon and Sun using ideas of gravitational gradients and relative geometry
• Evaluate how resonance and tidal locking can alter rotation, day length, and tidal range

Learning Objectives

• Evaluate spoken claims by checking whether evidence, examples, or data support the stated purpose.
• Assess how accurately a speaker uses key terms and whether reasoning stays coherent and logically connected.
• Identify bias, loaded wording, and missing context when evaluating credibility in spoken messages.+ Show more

Learning Objectives

• Identify and describe how the six classical simple machines change force and/or direction of motion.
• Use the idea of ideal mechanical advantage to relate input force, output force, and displacement.
• Explain practical limits (friction, deformation) and how they affect real machines compared with ideal predictions.

Learning Objectives

• Understand the basic properties of waves including frequency, wavelength, and amplitude.
• Learn how changes in wave parameters affect the characteristics of signals.
• Translate between different wave representations using wave parameters.+ Show more

Learning Objectives

• Analyze how personal letters, diaries, and interviews reveal emotional experiences of war and service
• Use evidence from firsthand accounts to explain themes such as hope, responsibility, and sacrifice
• Connect historical personal stories to modern civic responsibility and remembrance

Learning Objectives

• Explain how integrated models couple geosphere, hydrosphere, atmosphere, and biosphere processes to simulate environmental change.
• Describe how parameter sensitivity and uncertainty propagation affect model projections.
• Use indicator metrics to compare hypotheses and interpret multi-variable model outputs across space and time.

Learning Objectives

• Explain how enzymes lower activation energy and increase reaction rates
• Describe how enzyme structure and active sites create substrate specificity
• Use the ideas of cofactors, induced fit, and thermodynamic favorability to interpret enzyme reactions

Learning Objectives

• Analyze how renewable energy, land reclamation, and watershed conservation strategies improve long-term economic viability and ecosystem resilience.
• Explain interrelationships among policy choices, community values, and technological innovation, including First Nations, Métis, and Inuit knowledge systems.
• Compare continuity and change between traditional stewardship practices and modern engineering approaches for sustainable resource management.

Learning Objectives

• Understand the purpose of free body diagrams in physics.
• Identify all external forces acting on a single object.
• Sketch accurate vectors for different forces including gravity, normal, friction, tension, and applied forces.+ Show more

Learning Objectives

• Identify the main idea about how multiple evidence types support evolutionary inference.
• Describe how fossils, anatomy, and molecular data contribute to explanations of descent with modification.

Learning Objectives

• Explain how the plasma membrane controls the movement of substances using selective permeability
• Differentiate between passive transport (diffusion and osmosis) and active transport
• Describe how membrane proteins (channels, pumps, and receptors) enable specific transport and cell communication+ Show more

Learning Objectives

• Identify how cohesive devices (reference words, repeated key terms, and logical connectors) create logical flow in writing.
• Evaluate whether sentences and paragraphs are linked clearly using evidence from connectors and pronoun references.
• Apply cohesive linking strategies to improve clarity and reduce abrupt jumps between ideas.

Learning Objectives

• Identify the main pathways of the nervous and endocrine systems
• Differentiate between rapid neural responses and slower hormonal responses
• Explain how both systems work together to maintain body homeostasis

Learning Objectives

• Understand how to interpret various types of graphs such as scatterplots, histograms, and line graphs.
• Learn to construct clear and accurate graphical representations of data.
• Identify patterns, outliers, and trends in graphs to inform model selection.+ Show more

Learning Objectives

• Understand the basic structure and functions of a cell.
• Identify the roles of major organelles within a cell.
• Explain how cell structure relates to cell function.+ Show more

Learning Objectives

• Interpret scientific evidence linking dietary choices to cellular and system-level health outcomes.
• Identify mechanisms by which nutrition influences chronic health conditions.
• Analyze epidemiological data to distinguish correlation from causation in health studies.+ Show more

Learning Objectives

• Identify major migration routes used during colonization of Canada.
• Understand the motivations behind different migration patterns.
• Analyze how migration influenced settlement and social changes.+ Show more

Learning Objectives

• Explain why fact checking matters before sharing online content
• Identify respectful communication choices in digital interactions
• Evaluate how audience and context affect social media messages+ Show more

Learning Objectives

• Explain the law of conservation of mass in closed chemical reactions using the idea of conserved atoms
• Use mass-conservation reasoning to interpret evidence from sealed systems (e.g., combustion and captured gas)
• Apply conservation of mass to simple particle and measurement scenarios

Learning Objectives

• Describe the main processes and inputs of photosynthesis.
• Identify the components and stages involved in converting light energy into chemical energy.
• Explain the role of pigments, water oxidation, and the production of ATP and NADPH.+ Show more

Learning Objectives

• Explain what an ecological niche includes and how it differs from habitat
• Describe how niches relate to energy flow and matter cycling
• Use niche ideas to predict outcomes of competition and community changes

Learning Objectives

• Differentiate between heterogeneous mixtures and homogeneous solutions based on uniformity and separability.
• Identify key concepts such as solute, solvent, and concentration.
• Describe methods of separating components of mixtures based on physical properties.+ Show more

Learning Objectives

• Explain how disturbances can change ecosystem stability through altered species interactions and environmental conditions
• Describe how resilience, recovery rate, and ecological thresholds influence whether an ecosystem returns to its prior state
• Use long-term population and community data to distinguish gradual change from rapid ecosystem shifts+ Show more

Learning Objectives

• Understand how unbalanced forces cause changes in motion.
• Distinguish between balanced and unbalanced forces.
• Explain how net force direction relates to acceleration and motion.+ Show more

Learning Objectives

• Formulate and interpret linear models based on real-world data.
• Apply algebraic concepts to solve practical problems involving budgeting, travel, and business analysis.
• Evaluate the suitability of different linear models in real-life scenarios.+ Show more

Learning Objectives

• Understand the mechanisms of passive diffusion, facilitated transport, and active transport.
• Explain how membrane composition influences transport processes.
• Describe the role of transporters in establishing electrochemical gradients and osmotic balance.+ Show more

Learning Objectives

• Identify different sections within explanatory texts.
• Understand the purpose of each section in supporting claims.
• Recognize how paragraph order enhances clarity and persuasion.+ Show more

Learning Objectives

• Explain how goals and audiences guide digital design decisions
• Identify requirements and constraints within a digital project
• Explain how requirements affect features, resources, and timelines+ Show more

Learning Objectives

• Explain why fact checking matters before sharing online content
• Identify respectful communication choices in digital interactions
• Evaluate how audience and context affect social media messages+ Show more

Learning Objectives

• Identify a central theme and track how it develops across a text
• Explain how plot events and conflicts shape the meaning of a theme
• Analyze how a character’s choices reveal values that connect to the theme

Learning Objectives

• Identify functional requirements, safety margins, and constraints when framing an engineering problem.
• Analyze how social, economic, regulatory, and environmental constraints affect feasible design choices.
• Evaluate trade-offs and justify a conceptual approach using basic quantitative bounds.

Learning Objectives

• Describe the structure of the kidneys and nephron.
• Explain how blood is filtered in the glomerulus.
• Identify the process of reabsorption and secretion in the nephron.+ Show more

Learning Objectives

• Understand the basic differences between prokaryotic and eukaryotic cells
• Identify features unique to bacterial and archaeal cells
• Describe cellular structures such as DNA, cell walls, and ribosomes in prokaryotes+ Show more

Learning Objectives

• Define work as the scalar product of force and displacement and understand its units.
• Distinguish between kinetic and potential energy and their calculation methods.
• Explain energy transfer mechanisms in mechanical systems, such as lifting and acceleration.+ Show more