Grade 9 Worksheets

Learning Objectives

• Explain how wave speed, frequency, and wavelength are related for waves traveling in the same medium.
• Use the relationship v = fλ to predict how changes in frequency affect wavelength (and vice versa).
• Interpret wave descriptions in terms of timing (frequency) and spacing (wavelength).

Learning Objectives

• Understand the role of the Sun in Earth's climate system.
• Identify the factors influencing Earth's energy balance.
• Recognize how solar radiation affects weather and long-term climate patterns.+ Show more

Learning Objectives

• Identify how epithelial tissue structure supports its barrier and selective exchange functions
• Explain how cell shape, tight junctions, and surface specializations affect permeability
• Use tissue structure–function vocabulary to answer questions about physiological roles

Learning Objectives

• Explain how resistive losses, power factor, and device selection affect electrical system efficiency.
• Use key metrics (e.g., real vs apparent power, efficiency, and loss mechanisms) to compare design options.
• Evaluate energy-saving strategies while considering real-world constraints such as infrastructure and operating requirements.

Learning Objectives

• Explain how complex syntax (subordination, clause placement, and nonessential elements) can strengthen meaning and emphasis.
• Revise sentences to create purposeful relationships (such as cause and condition) using dependent clauses.
• Use parallel structure and embedded transitions to improve coherence, tone, focus, and pacing.

Learning Objectives

• Explain the main origins of Earth Day and the environmental concerns that helped inspire it.
• Describe how Earth Day spread from one country to become a global movement.
• Analyze how environmental activism has influenced policies and community actions over time.+ Show more

Learning Objectives

• Explain how extraction of Earth resources can alter landforms, habitats, and erosion patterns
• Analyze how pollution and water withdrawal change the transport of contaminants and affect material cycles
• Evaluate sustainability using criteria such as renewability, cumulative effects, and reclamation trade-offs

Learning Objectives

• Represent a changing system using time-series descriptions and difference equations.
• Identify equilibrium, transient behavior, and feedback effects in data and simple models.
• Use temporal patterns to infer causal structure and distinguish model expectations from observations.

Learning Objectives

• Understand the concepts of surface and subsurface water flows within water-budget frameworks.
• Relate precipitation, evapotranspiration, and human withdrawals to streamflow and aquifer sustainability.
• Analyze how altered hydrologic fluxes influence geomorphic responses such as channel adjustment and sediment yield.+ Show more

Learning Objectives

• Develop strategic mathematical reasoning through collaborative discussion and problem-solving.
• Apply computation and interpretation skills in real-world contexts involving percentages, measurements, and data analysis.
• Enhance understanding of multi-step problem solving by sharing reasoning and debating strategies.+ Show more

Learning Objectives

• Understand how to interpret displacement–time graphs
• Identify key features such as slope and interpret their physical meaning
• Recognize curved segments as indications of changing acceleration+ Show more

Learning Objectives

• Identify how a central idea develops over the course of an informational text.
• Explain how specific details (examples, definitions, counterpoints, and cause-and-effect) refine or complicate understanding.
• Use textual evidence to describe when an idea is introduced, strengthened, or challenged.+ Show more

Learning Objectives

• Identify explicit statements, definitions, and details in informational text that support a claim.
• Select precise passages that explain how evidence connects to an author’s overall message.
• Use evidence to describe relationships between ideas (such as cause and effect) across sentences and paragraphs.

Learning Objectives

• Infer the meaning of unfamiliar words and phrases by using surrounding context clues.
• Distinguish between denotation and connotation when analyzing a word’s effect in a text.
• Clarify ambiguous or technical word usage by connecting clues across sentences.

Learning Objectives

• Identify how prefixes, roots, and suffixes contribute to word meaning.
• Use common word parts (such as un-, dis-, re-, -tion, and -ful) to predict the meaning of unfamiliar words.
• Explain how recognizing word parts helps clarify how related words connect within a text.

Learning Objectives

• Understand the concept of ionic bonds between atoms
• Identify properties that result from ionic bonding
• Explain how ionic bonds form through electron transfer+ Show more

Learning Objectives

• Understand the principles of dimensional analysis and unit consistency in physical measurements.
• Apply unit-checking techniques to identify algebraic errors in calculations.
• Derive relationships between quantities using correct units and interpret scaled models.+ Show more

Learning Objectives

• Analyze how sentence boundaries, modifiers, and clause placement affect meaning in complex sentences.
• Revise sentences to reduce ambiguity by improving clarity of who/what modifies whom/what.
• Use parallel structure and intentional punctuation to strengthen clarity and evidence-based reasoning.

Learning Objectives

• Identify key figures and events in India’s freedom struggle and explain their significance.
• Use vocabulary related to colonialism, sovereignty, and activism to describe historical change.
• Analyze how peaceful and organized resistance contributed to independence and shaped modern civic identity.

Learning Objectives

• Explain how forces can change an object’s motion through push or pull effects
• Distinguish between contact forces and non-contact forces using real-world Alberta examples
• Describe how force magnitude and direction combine to predict qualitative motion

Learning Objectives

• Explain how complex syntax (subordination, clause placement, and transitions) strengthens meaning and clarity.
• Identify sentence structures that create emphasis, cause-and-effect relationships, or conditions in writing.
• Use parallel structure to improve coherence in lists and paired ideas.+ Show more

Learning Objectives

• Explain how greenhouse gases trap heat in Earth's atmosphere.
• Describe the role of infrared radiation in Earth's energy balance.
• Analyze how variations in greenhouse gas concentrations affect global temperatures.

Learning Objectives

• Explain how Earth’s axial tilt and orbit around the Sun produce seasonal changes
• Describe how the angle of sunlight and day length affect solar energy received at different latitudes
• Use the ideas of solstices and changing day length to predict patterns of seasons

Learning Objectives

• Analyze how syntax, sentence boundaries, and punctuation choices affect sentence meaning
• Revise multi-clause sentences to reduce ambiguity and unintended shifts in focus
• Use parallel structure and intentional placement of modifying phrases and clauses to clarify relationships among ideas+ Show more

Learning Objectives

• Explain how respectful listening supports effective conversation and keeps discussion flowing
• Apply turn-taking norms by waiting for a complete turn, avoiding interruption, and using brief acknowledgements
• Use respectful responses that acknowledge others’ ideas and build on them in small-group discussion

Learning Objectives

• Understand the basic principles of natural selection
• Identify examples of phenotypic variation
• Explain the role of genetic variation in evolution+ Show more

Learning Objectives

• Understand the basic principles of the particle model of matter.
• Describe the arrangement and motion of particles in solids, liquids, and gases.
• Explain how temperature affects particle behavior and energy.+ Show more

Learning Objectives

• Explain how diffusion at the alveolar–capillary interface depends on partial pressure gradients, surface area, and membrane thickness.
• Describe how ventilation mechanics and anatomical dead space affect gas exchange during breathing.
• Identify factors that influence oxygen uptake and carbon dioxide removal, including haemoglobin affinity and perfusion matching.+ Show more

Learning Objectives

• Group relevant evidence from a text (or multiple texts) into categories to support an overarching claim.
• Connect evidence to interpretation by explaining how details work together in a synthesis.
• Write a coherent synthesis response that avoids repetition and strengthens the message about theme, character, or argument effectiveness.

Learning Objectives

• Identify common figurative devices (metaphor, simile, personification, hyperbole) in a text.
• Explain how figurative language changes meaning beyond the literal definition.
• Determine the likely mood or emphasis created by figurative language.+ Show more

Learning Objectives

• Explain how cell membranes enable selective transport through diffusion and transport proteins
• Describe how organelles support compartmentalized metabolism and efficient cellular reactions
• Interpret how the cytoskeleton provides structural support and enables internal transport+ Show more

Learning Objectives

• Explain how angular momentum in a rotating protoplanetary disk can lead to planet formation.
• Describe how meteorite composition and isotopic radiometric dating provide evidence for solar system chronology.
• Connect volatile gradients and planetary differentiation to the rocky inner planets and gas-rich outer planets.

Learning Objectives

• Explain how empirical evidence strengthens scientific claims
• Identify key features of empirical studies (defined conditions, measurable data, controlled variables)
• Evaluate how patterns in data support, refine, or challenge conclusions

Learning Objectives

• Explain how health systems organize and deliver health services.
• Describe how insurance and community resources affect access to care.
• Evaluate how system effectiveness can support wellness and manage health conditions.

Learning Objectives

• Identify how an argumentative text uses claims and counterclaims to shape meaning and persuade readers.
• Explain how evidence and reasons support a claim and how opposing views are represented through rebuttal.
• Evaluate support quality by judging relevance, specificity, and clarity.+ Show more

Learning Objectives

• Understand the concept of systems thinking and how components interact within a system.
• Identify flows of matter, energy, and information in complex systems.
• Analyze feedback loops and unintended effects in system designs.+ Show more

Learning Objectives

• Understand the basic concepts of natural selection
• Identify how selective pressures influence evolving traits
• Differentiate natural selection from artificial selection+ Show more

Learning Objectives

• Explain how precise word choice clarifies meaning and improves the strength of writing
• Replace vague terms with specific nouns, strong verbs, and accurate descriptors in context
• Use key terminology consistently to prevent confusion in analytical and persuasive writing+ Show more

Learning Objectives

• Identify how prefixes, roots, and suffixes contribute to a word’s meaning.
• Use word parts to infer the meaning of unfamiliar words in context.
• Recognize how suffixes can signal a word’s category or role in a sentence.

Learning Objectives

• Explain how scientific models represent phenomena at an appropriate level of detail.
• Differentiate between models, explanations, and scientific theories based on how they use evidence.
• Describe why scientific theories can change when new evidence conflicts with existing ideas.+ Show more

Learning Objectives

• Identify and differentiate internal mobility, international immigration, temporary foreign labour, and refugee movements
• Explain push–pull dynamics and how policies influence migration flows
• Analyze how migration affects urban growth, rural depopulation, labour supply, and cultural diversity+ Show more

Learning Objectives

• Use dimensional analysis to check whether a derived formula is consistent with the units of each quantity.
• Derive relationships between physical quantities by forming ratios and ensuring unit cancellation.
• Identify algebraic or modeling mistakes by tracking units during scaling and rate calculations.

Learning Objectives

• Explain how a controlling purpose (main focus) keeps a draft coherent from introduction through body paragraphs.
• Identify topic sentences and supporting details that connect back to the controlling purpose.
• Use transitions and consistent sentence focus to strengthen readability and organization.+ Show more

Learning Objectives

• Understand the basic concepts of forces and how they affect motion.
• Identify different types of forces, including contact and field forces.
• Learn how vectors are used to represent force size and direction.+ Show more

Learning Objectives

• Understand how to construct and critique scientific arguments using claim-evidence-reasoning frameworks.
• Identify coherence, relevance, and the consideration of alternative explanations in scientific arguments.
• Evaluate how quantitative evidence and model comparisons strengthen arguments.+ Show more

Learning Objectives

• Explain how genetic technologies can create ecological, economic, and health risks and benefits.
• Describe the idea of risk assessment, including uncertainty and long-term monitoring.
• Evaluate trade-offs using Alberta-relevant examples such as canola introgression and cattle genetics.

Learning Objectives

• Explain the historical and cultural significance of Cinco de Mayo for Mexican-American communities.
• Identify traditions connected to Cinco de Mayo, including food, music, dance, and respectful community participation.
• Analyze how cultural celebrations can strengthen community bonds and cultural pride.

Learning Objectives

• Identify different types of energy sources
• Understand the environmental impact of various energy sources
• Explore transitions in energy systems towards decarbonization+ Show more