Grade 9 Worksheets

Learning Objectives

• Explain how the plasma membrane’s selectively permeable phospholipid bilayer and proteins regulate the movement of substances in and out of cells.
• Differentiate passive transport (diffusion and osmosis) from active transport and predict movement based on concentration and energy use.
• Describe the functions of membrane channels, pumps, and receptor proteins in cellular communication and metabolic coordination.

Learning Objectives

• Explain why biological classification uses hierarchical ranks and how organisms are grouped based on shared characteristics.
• Compare traditional classification (taxonomic ranks and morphology) with modern classification (evolutionary relationships and clades).
• Use binomial nomenclature concepts to interpret and communicate scientific names for species.

Learning Objectives

• Explain how polygenic inheritance, epistasis, and pleiotropy can cause deviations from simple Mendelian ratios
• Describe how variable penetrance and expressivity affect whether and how genotypes show up as phenotypes
• Evaluate how linkage and environmental factors can change observed inheritance patterns in families and populations

Learning Objectives

• Explain ionic, covalent, and metallic bonding using electron transfer, electron sharing, and electron mobility models.
• Use bond energy and polarity ideas to predict relative stability, melting point, and conductivity of substances.
• Interpret Lewis structures and connect atomic electron configurations to molecular geometry and intermolecular attractions.

Learning Objectives

• Explain how bandwidth, sampling criteria, and signal-to-noise ratio affect communication performance
• Compare digital and analog transmission by using quantitative ideas like bit error rate and channel capacity
• Evaluate how modulation, coding, and error-correcting techniques improve reliability under noise and interference+ Show more

Learning Objectives

• Differentiate homogeneous solutions from heterogeneous mixtures based on uniformity and particle distribution.
• Identify the roles of solute and solvent in solutions and describe how concentration relates to appearance and behavior.
• Select appropriate physical separation methods using differences in physical properties such as size, solubility, or boiling point.

Learning Objectives

• Analyze how event sequence, timing, and emphasis create meaning in a narrative or informational text.
• Identify cause-and-effect relationships and explain how they shape conflicts and resolutions.
• Determine how turning points and changes in stakes, perspectives, or conflicts influence reader interpretation.

Learning Objectives

• Analyze how changes in perspective (narration, focalization, and character viewpoints) alter a reader’s interpretation of events.
• Compare two accounts of the same moment to identify what each perspective emphasizes or omits.
• Develop a claim about theme or author intent supported by evidence from viewpoint shifts.

Learning Objectives

• Explain how climate models represent Earth’s energy balance and atmospheric circulation.
• Describe how greenhouse gas scenarios influence temperature and precipitation projections.
• Evaluate the role of feedbacks and uncertainty when interpreting model results.

Learning Objectives

• Explain how matter cycles through Earth’s reservoirs using geologic and biological processes.
• Describe how water, carbon, and nutrients move through the atmosphere, hydrosphere, biosphere, and geosphere.
• Use evidence-based reasoning and simple models to predict how changes in cycles can affect surface conditions and climate.

Learning Objectives

• Explain how genetic information flows from DNA to RNA to proteins.
• Describe how protein structure determines protein function in cells.
• Use DNA mutations to predict possible effects on protein sequences and cell traits.

Learning Objectives

• Explain how crossing over during meiosis creates genetic variation in gametes
• Describe how independent assortment increases variation by changing chromosome combinations
• Connect meiotic variation to differences observed in offspring after fertilization

Learning Objectives

• Explain how forces affect an object’s motion by changing acceleration and/or velocity
• Differentiate contact forces from field forces and give examples of each
• Use vector ideas (magnitude and direction) to describe forces and combine multiple forces conceptually

Learning Objectives

• Differentiate kinetic energy and gravitational potential energy in terms of motion and position
• Explain how height and speed affect potential and kinetic energy in everyday systems like roller coasters
• Use reference levels and energy transfer ideas to interpret energy changes during motion

Learning Objectives

• Explain how net force determines the direction and magnitude of acceleration
• Use the relationship between net force, mass, and acceleration to predict motion
• Analyze real-world scenarios with multiple forces acting on an object+ Show more

Learning Objectives

• Explain how scientific models represent phenomena at different levels of detail
• Differentiate models, explanations, and theories using evidence-based reasoning
• Describe how theories can change when new evidence conflicts with earlier ideas+ Show more

Learning Objectives

• Identify how simple, compound, and complex sentences each serve different purposes in writing
• Combine and revise sentences to clarify relationships between ideas (addition, contrast, cause, and explanation)
• Choose punctuation and conjunctions intentionally to improve readability and impact+ Show more

Learning Objectives

• Explain what advocacy is in health contexts and why collective action matters.
• Identify key steps in planning and communicating a health advocacy effort.
• Evaluate how advocacy can shape awareness, attitudes, and policies.

Learning Objectives

• Identify common risk factors and describe how they can lead to injury, illness, or other health problems.
• Apply risk-reduction strategies to everyday situations involving activities, environments, and substance-related decisions.
• Explain how social influences and environmental conditions can increase or decrease health risks.

Learning Objectives

• Explain how cultural norms can influence health behaviors and health decisions.
• Analyze situations to determine whether a cultural practice may support or hinder health.
• Use culturally sensitive communication to support peers’ health choices.

Learning Objectives

• Identify how personal, social, cultural, and environmental factors influence health choices
• Evaluate how family traditions, peer influence, community standards, and resource access can either support or challenge healthy decisions
• Apply health factors to make and justify healthier choices that reduce health risks

Learning Objectives

• Explain how plate convergence and continental collision produce mountain building through folding, thrust faulting, and crustal shortening.
• Identify key tectonic processes (magmatic intrusion and isostatic rebound) and describe how they change rock structure and elevation.
• Use rock types, structural patterns, and timing clues to infer tectonic history and reconstruct past plate motions.

Learning Objectives

• Explain how kinetic and potential energy can change within mechanical systems.
• Describe energy transfers due to work, collisions, and friction, and predict how motion changes.
• Use conservation of energy ideas to account for where mechanical energy goes when heat is produced.+ Show more

Learning Objectives

• Identify and label all external forces acting on an isolated object in a free body diagram.
• Determine the direction of each force vector and distinguish forces that cancel from forces that produce net force.
• Use net force and Newton’s second law concepts to predict acceleration and motion outcomes.

Learning Objectives

• Analyze how external and internal forces interact in a multi-body mechanical system using Newton’s laws and net force ideas
• Predict motion changes by determining the direction and magnitude of net force for linked components
• Use energy accounting to track where energy transfers and where it is dissipated (e.g., heat/sound) during collisions or mechanical events+ Show more

Learning Objectives

• Explain Mendelian inheritance using dominant/recessive phenotypes and genotype ratios
• Compare non-Mendelian patterns (incomplete dominance, codominance, multiple alleles, polygenic, sex-linked, imprinting, mitochondrial) to Mendelian expectations
• Apply gene interaction ideas (environmental effects and linkage) to predict why phenotype ratios change

Learning Objectives

• Compare DNA and RNA structural features, including strand structure, sugar type, and base composition
• Explain how complementary base pairing and strand directionality relate to replication and transcription
• Describe how structural differences influence the stability and functions of DNA and RNA

Learning Objectives

• Explain how the Calvin cycle uses ATP and NADPH to fix carbon dioxide into organic molecules.
• Describe the main phases of the Calvin cycle: carbon fixation, reduction, and RuBP regeneration.
• Connect specific enzymes and intermediates (like RuBisCO and 3-carbon intermediates) to each phase.

Learning Objectives

• Explain how major organ systems (circulatory, respiratory, digestive, renal, nervous, endocrine) work together to maintain homeostasis
• Describe how feedback communication helps coordinate body functions under changing external conditions
• Use evidence from a reading passage to connect organ system roles with specific physiological outcomes

Learning Objectives

• Explain how molecular signals regulate gene expression and protein activity in cells
• Describe how receptor-ligand binding and signal transduction cascades control cellular responses
• Use examples such as insulin signaling to connect molecular regulation to physiological outcomes+ Show more

Learning Objectives

• Explain how geologic and atmospheric indicators are used to characterize the origin, frequency, and potential impacts of natural hazards.
• Analyze spatial patterns and triggering mechanisms to describe why some places experience higher hazard and risk.
• Evaluate how recurrence intervals and paleoevidence support risk assessment for human and ecological systems.

Learning Objectives

• Explain how amplitude, frequency, wavelength, and phase describe wave behavior in both transverse and longitudinal waves.
• Use the wave speed relationship v = fλ to solve problems involving sound, string waves, and water-wave scenarios.
• Apply sinusoidal reasoning to predict how interference and standing waves form from superposition and reflections.

Learning Objectives

• Explain how natural selection increases the frequency of heritable traits that improve reproductive success in a specific environment.
• Describe selective pressure, fitness, and adaptive trade-offs using examples from Alberta.
• Compare artificial selection in agriculture with natural selection and infer how adaptation can accumulate over generations.

Learning Objectives

• Explain how environmental chemical changes can be analyzed using mass conservation and measurable mass flows
• Connect acid deposition chemistry to observable effects on limestone using particulate and atomic explanations
• Describe how tailings chemistry and nutrient cycling involve system boundaries and chemical transformations

Learning Objectives

• Interpret coefficient ratios in a balanced chemical equation to relate relative amounts of reactants and products.
• Use mass conservation to explain how total mass is conserved during reactions such as corrosion and fuel combustion.
• Calculate and justify reaction quantities using proportional reasoning and relative masses.

Learning Objectives

• Interpret slopes on displacement–time and velocity–time graphs as physical quantities (velocity and acceleration).
• Use the area under a velocity–time graph to determine displacement and describe motion histories.
• Identify features such as constant segments, sign changes, discontinuities, and curved sections in real-world motion data.

Learning Objectives

• Explain Newton’s three laws using force–motion relationships and real-world examples.
• Use Newton’s laws to predict and justify how changes in force affect acceleration and motion.
• Apply action–reaction reasoning to systems involving recoil and anchoring loads.+ Show more

Learning Objectives

• Evaluate a speaker’s argument by analyzing point of view, reasoning, and use of evidence.
• Determine whether evidence directly supports a claim or only replaces it with a vague assertion.
• Analyze rhetorical choices and appeals to explain how they shape audience interpretation.

Learning Objectives

• Identify run-on sentences and comma splices by recognizing fused independent clauses.
• Choose correct punctuation and coordinating structures to combine independent clauses.
• Apply punctuation rules when dependent clauses start a sentence.

Learning Objectives

• Identify the purpose of a counterclaim in persuasive writing
• Integrate counterclaims fairly and connect them to the writer’s main claim
• Write rebuttals that use reasoning and relevant evidence to address limitations of the counterclaim+ Show more

Learning Objectives

• Identify how point of view shapes tone and meaning in a narrative
• Analyze how dialogue and sensory detail create motivation, conflict, and atmosphere
• Evaluate how time shifts and varied syntax influence an emotional arc+ Show more

Learning Objectives

• Evaluate the credibility, relevance, and potential bias of sources used in evidence-based writing.
• Choose sources that match the topic and provide sufficient depth for an argument or explanation.
• Synthesize information from multiple sources and accurately integrate citations to support claims.

Learning Objectives

• Identify how an author uses logical ordering and transitions to connect ideas in an explanatory or argumentative text.
• Recognize common relationship structures (comparison, contrast, cause-effect, problem-solution) and match them to textual evidence.
• Explain how individual sentences and paragraphs build meaning step by step rather than presenting disconnected facts.

Learning Objectives

• Identify how word choice and figurative language create meanings beyond the literal level.
• Analyze how metaphors, similes, personification, symbolism, and imagery connect to mood, theme, and character perspective.
• Explain how diction choices (sensory verbs, concrete nouns, and charged abstract words) shape interpretation.

Learning Objectives

• Analyze how point of view shapes meaning, including motives, stakes, and values in a text.
• Evaluate how cultural experience and identity influence what a narrator emphasizes, withholds, or frames as normal.
• Use evidence from narration and speaker perspective to make interpretations about bias and social pressure.

Learning Objectives

• Explain how impulse links force and time to the change in momentum, using the relationship J = FΔt
• Determine the direction of momentum change by analyzing whether the net impulse acts in the same or opposite direction as motion
• Apply impulse concepts to predict how changing stopping time affects peak force in real safety scenarios

Learning Objectives

• Analyze how text features (headings, captions, charts/graphs, diagrams, and pull quotes) help readers understand a passage.
• Use evidence from both the main text and the features to explain what an author emphasizes.
• Determine how interpretations of a claim can be strengthened or contrasted by information in a text feature.

Learning Objectives

• Explain how biodiversity includes species diversity and genetic variation within ecosystems.
• Describe how environmental and human-caused changes can alter population sizes and species interactions.
• Evaluate how changes in biodiversity can affect ecosystem stability and functions.