Grade 9 Worksheets

Learning Objectives

• Explain how the hypothalamus and thermoreceptors help regulate body temperature through feedback loops.
• Describe how the body adjusts heat loss and heat gain using vascular, evaporative, behavioral, and metabolic responses.
• Compare thermoregulation in cold versus hot environments using correct scientific vocabulary.

Learning Objectives

• Round measured or calculated values to the correct number of significant digits based on the precision of the measuring tool.
• Choose appropriate decimal places when adding or subtracting quantities measured with different accuracies.
• Use significant digits to make meaningful comparisons, including when values are written in scientific notation.+ Show more

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

• Analyze how tone, voice, and diction change to fit an audience and purpose.
• Identify how explanatory and argumentative writing use precise language and transitions to clarify meaning.
• Evaluate whether a writer’s rhetorical choices support credibility through accurate, evidence-based reasoning.+ Show more

Learning Objectives

• Use residuals and graphical comparisons to judge whether a model is consistent with experimental data.
• Explain diagnostic patterns (such as systematic residual trends and unequal spread) that suggest model problems or missing variables.
• Apply goodness-of-fit ideas to decide when to accept, modify, or reject a model based on predictive performance and independent benchmarks.

Learning Objectives

• Understand the principle of conservation of matter during chemical reactions.
• Explain how atoms rearrange in reactions without being created or destroyed.
• Interpret chemical equations in terms of atom counts before and after reactions.+ Show more

Learning Objectives

• Understand the greenhouse effect and the role of greenhouse gases in climate regulation.
• Identify natural and human sources of greenhouse gases.
• Explain how changes in atmospheric composition influence global temperatures.+ Show more

Learning Objectives

• Analyze how land-use change, invasive species, pollution, and resource extraction affect biodiversity and ecosystem functioning.
• Interpret empirical evidence from case-study examples to evaluate mitigation approaches.
• Explain trade-offs between conservation goals and provisioning services in real socioecological systems.

Learning Objectives

• Compare physical, cellular, and biochemical immune barriers with adaptive immune responses.
• Explain how antigen recognition leads to inflammation, antibody production, and immune memory.
• Describe how stress, nutrition, and environmental exposures can alter immune competence and increase disease risk.

Learning Objectives

• Explain how social hierarchies and roles can shift when cultural and religious ideas change
• Describe how humanist thought and religious reforms may create new social norms or challenge older ones
• Analyze examples of societal continuity and transformation using cause-and-effect reasoning

Learning Objectives

• Explain how surface currents and deeper thermohaline circulation redistribute heat in the ocean.
• Describe how features like gyres and upwelling influence coastal conditions and carbon uptake.
• Evaluate how changes in ocean circulation can affect regional climates and extreme weather through feedbacks.

Learning Objectives

• Explain how Earth’s climate is shaped by interactions among the atmosphere, hydrosphere, cryosphere, lithosphere, and biosphere.
• Describe how solar energy and internal heat create an energy balance that influences long-term climate averages.
• Identify how external forcings and natural variability (aerosols, greenhouse gases, ocean circulation, and land surface properties) affect temperature, precipitation, and extremes.

Learning Objectives

• Compare key structural features of prokaryotic (bacteria and archaea) cells with eukaryotic cells.
• Identify how DNA arrangement differs between prokaryotes and eukaryotes.
• Explain why compartmentalization and organelles matter for cell function.

Learning Objectives

• Explain how uncertainty comes from limitations in data collection and from conditions that differ from an intended model.
• Identify common error sources such as instrument limits, human judgment, environmental variation, and oversimplified assumptions.
• Use uncertainty to judge whether results meaningfully differ from each other or could be due to chance and error.

Learning Objectives

• Understand the components and processes involved in biogeochemical cycles.
• Identify how elements like carbon, nitrogen, and phosphorus move through Earth's spheres.
• Explain the role of biological processes such as photosynthesis, decomposition, and nitrogen fixation.+ Show more

Learning Objectives

• Explain how impulse and the force–time relationship affect peak force and injury risk during collisions.
• Interpret force–time graphs to compare mitigation strategies that extend collision time and reduce peak acceleration.
• Evaluate how material deformation and energy dissipation (e.g., crumple zones, airbags, helmets) help protect macroscopic objects and people.

Learning Objectives

• Understand the principle of conservation of mass in chemical reactions.
• Identify real-world applications of mass conservation in environmental and industrial contexts.
• Explain how mass remains constant in closed systems during chemical processes.+ Show more

Learning Objectives

• Interpret microscopy images using resolution limits, scale bars, and contrast features
• Use staining and fluorescence patterns to infer specific cellular structures or molecules
• Evaluate image sets over time while accounting for artifacts and measurement errors

Learning Objectives

• Explain how chemical reactions conserve matter by rearranging atoms rather than creating or destroying them
• Describe how energy transfer (absorbed or released) affects reaction outcomes without violating atom conservation
• Use exothermic and endothermic examples to interpret changes in temperature and heat flow

Learning Objectives

• Describe how different electrical components behave under applied voltage and current, including linear and nonlinear effects.
• Explain how temperature changes affect component resistance and how this impacts real equipment performance.
• Connect component behaviors to power ratings and safe operating limits in circuits.

Learning Objectives

• Explain what cultural landscapes are and how human activities shape them.
• Analyze how architecture, land use, and settlement patterns reflect cultural values and history.
• Use geographic features to interpret why communities develop in certain ways.

Learning Objectives

• Explain how mass affects acceleration when the net force is fixed using the idea of an inverse relationship.
• Distinguish inertial mass from gravitational effects and relate each to force, acceleration, and weight.
• Use F = ma to predict acceleration changes when mass or net force changes.

Learning Objectives

• Understand the functions of key organelles involved in cellular energy production and processing.
• Identify the roles of mitochondria, ribosomes, rough endoplasmic reticulum, Golgi apparatus, lysosomes, and peroxisomes.
• Explain how organelles work together to support cell activity and metabolism.

Learning Objectives

• Explain how balancing chemical equations enforces conservation of atoms and mass.
• Use coefficients to ensure the number of each type of atom matches on both sides of a reaction.
• Interpret balanced equations to predict relative reactant and product amounts.

Learning Objectives

• Identify the x-values that create holes in rational functions when factors cancel.
• Simplify rational expressions by cancelling common factors and describing the domain restrictions.
• Explain why cancelling a common factor produces a hole rather than a vertical asymptote.

Learning Objectives

• Explain how chemical reactions conserve matter by rearranging atoms rather than destroying them
• Describe how energy transfer during reactions is reflected in temperature and heat changes
• Differentiate exothermic and endothermic reactions using both energy and product outcomes

Learning Objectives

• Explain the meaning of power as the rate of energy transfer in mechanical systems.
• Compare efficiency using useful output energy versus input energy.
• Describe how real-world energy losses reduce efficiency and affect machine performance.+ Show more

Learning Objectives

• Understand how to perform addition, subtraction, multiplication, and division with integers.
• Apply integer operations to solve real-world problems involving financial transactions and temperature changes.
• Develop strategies for accurate computation and reasoning with integers.+ Show more

Learning Objectives

• Understand the ethical issues related to genetic privacy and consent.
• Analyze societal impacts of genetic technologies such as GMOs and biobanking.
• Evaluate different stakeholder responsibilities in genetic science.+ Show more

Learning Objectives

• Describe how the Earth’s magnetic field is related to navigation tools like compasses and to dip and declination angles.
• Explain how regional magnetic variation affects map-and-compass use and surveying in Alberta.
• Connect auroral displays to magnetism and charged particles in Earth’s upper atmosphere.

Learning Objectives

• Identify and apply a clear presentation structure that includes an introduction, main points in sequence, and a concluding summary.
• Use purposeful emphasis and smooth transitions to make relationships among ideas clear to an audience.
• Support main points with relevant examples and connect ideas to a central purpose.

Learning Objectives

• Explain how bees transfer pollen and why that matters for plant reproduction
• Describe how pollinators support biodiversity and ecosystem health
• Connect pollinator conservation to human food security and sustainable ecosystems

Learning Objectives

• Explain how chemical reactions involve changes in potential and kinetic energy.
• Differentiate endothermic and exothermic reactions using energy and bond ideas.
• Interpret simple energy diagrams and relate them to observable temperature changes.+ Show more

Learning Objectives

• Understand different lines of evidence supporting evolutionary relationships.
• Identify how fossil, anatomical, and molecular data contribute to understanding biodiversity over time.
• Compare and evaluate various types of evidence used in evolutionary studies.+ Show more

Learning Objectives

• Identify how speakers clarify ideas through rephrasing, targeted questions, and direct responses.
• Use evidence and reasoning to support or challenge claims during a moderated discussion.
• Demonstrate listening comprehension by answering questions that address the exact concern raised.

Learning Objectives

• Explain how membrane-bound organelles specialize to carry out distinct cellular functions in eukaryotic cells.
• Describe the roles of mitochondria, ribosomes, rough endoplasmic reticulum, Golgi apparatus, lysosomes, and peroxisomes in metabolism and transport.
• Connect organelle specialization to efficiency and coordination of energy transfer and macromolecule processing.

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

• Understand the structure and function of genes as segments of DNA that encode proteins.
• Describe the processes of transcription and translation in protein synthesis.
• Explain how gene regulation influences phenotype and observable traits.+ Show more

Learning Objectives

• Understand the key tradeoffs involved in digital and analog transmission systems.
• Identify the impact of bandwidth constraints, noise, and error correction on communication quality.
• Analyze case studies involving bandwidth-limited radio channels and high-capacity fiber optic systems.+ Show more

Learning Objectives

• Explain the causes of the Protestant Reformation and how it challenged Catholic Church authority.
• Describe major goals of the Catholic Reformation and how it responded to Protestant critiques.
• Analyze how religious change influenced politics, social structures, and culture in Europe.

Learning Objectives

• Use balanced chemical equations and conservation of mass to relate reactants and products quantitatively.
• Convert between moles, mass, and particle counts using molar masses and Avogadro’s number.
• Determine the limiting reagent and predict theoretical yield from stoichiometric ratios.

Learning Objectives

• Understand how to represent real-world situations using algebraic and graphical models.
• Compare the effectiveness of different modeling methods in context-based problems.
• Justify appropriate modeling choices based on accuracy, clarity, and relevance.+ Show more

Learning Objectives

• Understand the concept of biodiversity and its importance in ecosystems
• Identify different types of biodiversity: genetic, species, and ecosystem diversity
• Recognize how environmental changes can impact biodiversity+ Show more

Learning Objectives

• Explain how trust, empathy, and supportive communication strengthen father-child relationships.
• Identify ways family bonds can be expressed across diverse family structures.
• Practice gratitude-focused reflection by linking actions to emotional impact.

Learning Objectives

• Identify how perspective influences what a media text emphasizes or leaves out.
• Distinguish between claims supported by evidence and opinions presented as facts.
• Analyze how wording, tone, and viewpoint shape a reader’s understanding of events.

Learning Objectives

• Explain the biochemical pathways involved in cellular respiration, including glycolysis, citric acid cycle, and electron transport chain.
• Describe how ATP is produced and utilized in energy coupling within cells.
• Relate the functions of mitochondria and chloroplasts to metabolic processes like respiration and photosynthesis.+ 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

• Analyze how delivery choices (pace, volume, tone, and clarity) affect audience understanding.
• Revise a message to better match a specific audience, purpose, and speaking context.
• Use feedback to improve both message accuracy and presentation (physical and verbal) delivery.