Grade 9 Worksheets

Learning Objectives

• State the conservation of mass principle for closed systems during chemical reactions.
• Use mass accounting to predict and explain the relationship between reactant mass and product mass.
• Distinguish true mass conservation from apparent mass changes caused by gas exchange in open systems.+ Show more

Learning Objectives

• Understand how unbalanced forces cause changes in motion.
• Identify the difference between balanced and unbalanced forces.
• Explain how net force relates to acceleration and motion outcomes.+ Show more

Learning Objectives

• Evaluate the reliability of geographic sources by considering provenance, currency, scale, and methodological transparency.
• Analyze how bias and error can enter geographic data and how those issues affect conclusions and policy decisions.
• Compare sources over time to judge continuity and change in geographic information.

Learning Objectives

• Distinguish between the purposes of literary and informational texts.
• Identify how structure and text features guide meaning in different genres.
• Analyze how evidence (emotional/experiential vs. factual/organized) supports an author’s goal.

Learning Objectives

• Interpret displacement–time, velocity–time, and acceleration–time graphs to describe motion qualitatively and quantitatively
• Use slope and area (where appropriate) to connect graphical features to physical meaning
• Select correct axes, labels, and units to compare motion profiles from empirical data

Learning Objectives

• Reflect on how gratitude strengthens school relationships and community trust.
• Identify key vocabulary related to thanks, respect, and support.
• Practice writing brief, clear reflections using evidence from personal and school experiences.

Learning Objectives

• Understand the concept of genetic drift and its effects on populations.
• Identify examples of genetic drift such as bottlenecks and founder effects.
• Explain how chance events influence evolutionary pathways in small populations.+ Show more

Learning Objectives

• Explain the gravitational interactions among the Moon, Sun, and Earth that produce tidal forces.
• Differentiate between spring and neap tides based on the relative positions of celestial bodies.
• Describe how local geography influences tidal amplitudes and effects.+ Show more

Learning Objectives

• Explain how the double-helix structure of DNA supports base pairing and heredity.
• Describe how chromosomes package DNA and how loci relate to gene location.
• Compare nuclear DNA with organelle genomes and interpret basic ideas about karyotypes.

Learning Objectives

• Explain how competition, predation, herbivory, parasitism, and mutualism shape community structure.
• Describe how keystone species and ecosystem engineers can disproportionately affect ecosystem processes.
• Use interaction examples to distinguish direct effects from indirect effects in communities.+ Show more

Learning Objectives

• Interpret genetic data by comparing allele and genotype frequencies to expected inheritance patterns
• Explain how PCR-based markers and sequencing reads identify variants such as single nucleotide variants (SNVs)
• Use statistical reasoning to evaluate whether observed genotype–phenotype relationships suggest linkage, selection, or reduced heterozygosity+ Show more

Learning Objectives

• Explain how eccentricity changes seasonal insolation patterns
• Describe how axial tilt affects seasonal solar energy
• Relate precession to season timing and perihelion+ Show more

Learning Objectives

• Identify and interpret quality-of-life indicators used in comparative metrics (income distribution, environmental quality, access to services, civic engagement).
• Explain how historical settlement, industrial change, and policy choices can produce different urban and rural outcomes over time.
• Use multi-decade data reasoning to distinguish continuity from change in quality-of-life trends.+ Show more

Learning Objectives

• Explain the purpose of the Calvin cycle in photosynthesis and what it produces
• Describe the main stages of the Calvin cycle (carbon fixation, reduction, and regeneration) and their key inputs
• Identify the roles of ATP, NADPH, and Rubisco in carbon assimilation+ Show more

Learning Objectives

• Understand the challenges facing global water resources due to pollution and climate change.
• Recognize innovative community strategies for water conservation and management.
• Analyze the social-emotional importance of caring for water resources and collective responsibility.+ Show more

Learning Objectives

• Understand the types of simple machines and how they transfer force.
• Explore the concepts of mechanical advantage and energy distribution in simple systems.
• Differentiate between ideal and actual mechanical advantage considering friction and support geometry.+ Show more

Learning Objectives

• Understand how mass affects acceleration when a net force is applied.
• Distinguish between inertial mass and gravitational effects in response to forces.
• Apply the force–acceleration relationship to solve quantitative problems involving mass.+ Show more

Learning Objectives

• Explain how the kidney forms urine through glomerular filtration, selective reabsorption, secretion, and urine concentration.
• Describe how hydrostatic pressure and oncotic pressure drive glomerular filtration.
• Analyze tubular mechanisms (including countercurrent multiplication) that reclaim water and concentrate solutes.+ Show more

Learning Objectives

• Explain how Earth’s rotation and orbital motion produce predictable day–night and sky-observed cycles.
• Distinguish sidereal and solar periods and describe how their differences affect what observers measure.
• Describe how Earth–Moon–Sun gravitational interactions lead to tidal phenomena with regular patterns.

Learning Objectives

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

Learning Objectives

• Compare fossil-fuel extraction and renewable energy systems in terms of impacts, infrastructure, and costs
• Explain causes and consequences of energy transition, including greenhouse gas emissions and employment shifts
• Describe continuity and change in Canada’s energy history and how new technologies diversify generation+ Show more

Learning Objectives

• Identify the components of biogeochemical cycles.
• Understand the role of cycles in maintaining ecosystem health.
• Recognize the processes involved in the movement of elements such as carbon, nitrogen, and phosphorus.+ Show more

Learning Objectives

• Explain how gravity provides the centripetal force that keeps planets and moons in curved orbital paths.
• Describe how changing distance from the Sun affects orbital speed and orbital period.
• Use evidence from regular sky patterns to support the idea of predictable orbital motion.

Learning Objectives

• Analyze how physical features and human decisions shape city layouts, transportation networks, and public spaces.
• Explain how economic, social, and geographic factors influence urban development and regional identity.
• Evaluate how urban landscapes respond to constraints (like terrain) and opportunities (like transit access).

Learning Objectives

• Explain how the hypothalamus and thermoreceptors coordinate thermoregulation using feedback loops
• Describe how vasodilation, vasoconstriction, and sweating affect heat loss and heat gain
• Compare behavioral and metabolic responses (including shivering) during different environmental conditions

Learning Objectives

• Explain gas pressure, volume, and temperature using the particle model
• Describe how particle collisions and kinetic energy relate to observable pressure changes
• Predict qualitative changes in gas behavior when temperature or volume changes

Learning Objectives

• Understand the process of seafloor spreading at mid-ocean ridges.
• Identify how magnetic striping provides evidence for symmetrical reversals in Earth's magnetic field.
• Describe how oceanic crust age progression helps document plate movements and ocean basin cycles.+ Show more

Learning Objectives

• Explain key milestones in the women’s suffrage movement and why voting rights mattered.
• Identify major figures of women’s rights activism and describe their contributions.
• Analyze how activism and persistence helped change laws and public attitudes about gender roles.+ Show more

Learning Objectives

• Understand the importance of relevant evidence in supporting claims.
• Identify different types of evidence used in arguments.
• Learn how to organize supporting points logically to strengthen arguments.

Learning Objectives

• Understand the composition of an atom, including protons, neutrons, and electrons.
• Identify how proton number determines the element type.
• Explain the significance of isotopes and atomic mass.+ Show more

Learning Objectives

• Explain the significance of Armed Forces Day and the idea of honoring service
• Identify civic responsibilities and forms of patriotism shown through remembrance
• Describe how different military roles contribute to national security and freedom+ Show more

Learning Objectives

• Understand the key functions of cell membranes and energy use.
• Connect cell structures to their functions in maintaining internal balance, growth, and response.
• Interpret evidence like uptake rates and growth patterns to relate structure to function.+ Show more

Learning Objectives

• Explain how civic ceremonies like parades and memorials support national unity and collective remembrance.
• Analyze the significance of specific holiday rituals and the values they communicate to a community.
• Evaluate how public commemorations encourage civic engagement, respect for history, and shared responsibility.

Learning Objectives

• Explain how cultural and religious ideas can reshape gender expectations, social class roles, and status in a society.
• Describe how humanist thought and religious reforms can challenge existing hierarchies while also creating new norms.
• Analyze how societies can show both continuity and transformation over time using historical evidence.

Learning Objectives

• Understand the basic principles of scaling laws and proportional reasoning.
• Recognize how similarity and nonlinearity influence scientific models.
• Interpret data across different spatial and temporal scales.+ Show more

Learning Objectives

• Understand the main routes and settlement trends during colonization.
• Analyze the motivations behind migration and their effects on Canadian society.
• Examine how migration influenced territorial boundaries and population distribution.+ Show more

Learning Objectives

• Understand the key factors that influence Earth's climate.
• Describe how solar energy and internal heat drive climate systems.
• Identify the roles of different Earth systems in climate variability.+ Show more

Learning Objectives

• Define neurodiversity and recognize its importance in society.
• Identify strengths and challenges faced by individuals on the autism spectrum.
• Use vocabulary related to neurodevelopmental differences, advocacy, and acceptance.+ Show more

Learning Objectives

• Differentiate homogeneous and heterogeneous mixtures using particle-level evidence and everyday examples.
• Explain how distinct physical properties (particle size, solubility, boiling point, and density) allow separation without changing substances.
• Match separation methods (filtration, distillation, magnetic separation, decanting) to the property being used.

Learning Objectives

• Identify how word choice (diction and connotation) shapes the tone of a text.
• Use precise vocabulary to communicate an attitude without vague qualifiers.
• Revise sentences to maintain an appropriate register and reduce bias from loaded language.

Learning Objectives

• Explain how cell membranes regulate transport to maintain homeostasis.
• Describe how cells use energy (ATP) to power chemical reactions involved in growth and survival.
• Use evidence such as uptake rates and growth patterns to connect cell structure and function.+ Show more

Learning Objectives

• Understand the basic shapes of molecules such as linear, trigonal planar, tetrahedral, and bent.
• Learn how electron pair repulsion influences molecular shape.
• Identify how molecular geometry impacts properties like polarity and reactivity.

Learning Objectives

• Explain how energy flows through food chains in one direction and decreases at each trophic level.
• Describe how matter cycles through biological systems by rearranging atoms during processes like photosynthesis and cellular respiration.
• Use evidence such as trophic relationships and biomass changes to interpret energy transfer and matter cycling.

Learning Objectives

• Understand the concepts of endothermic and exothermic reactions and how energy is absorbed or released.
• Explain how bond breaking and formation relate to energy changes during chemical reactions.
• Interpret energy diagrams to connect molecular interactions with observable temperature and phase changes.+ Show more

Learning Objectives

• Understand how greenhouse gases trap outgoing radiation and influence Earth's surface temperature.
• Identify the natural and human sources of greenhouse gases.
• Analyze how small changes in atmospheric composition can impact climate patterns.+ Show more

Learning Objectives

• Explain how land conversion, pollution, resource extraction, invasive species, and greenhouse gas emissions can change biodiversity and ecosystem functioning.
• Describe how habitat fragmentation and chemical or nutrient changes can alter species interactions, community composition, and trophic relationships.
• Connect changes in species diversity to ecosystem services such as pollination, water purification, and soil formation.

Learning Objectives

• Define physical properties and understand their significance in classifying matter.
• Identify and describe examples of physical properties such as density, melting point, boiling point, colour, hardness, and conductivity.
• Distinguish between intensive and extensive properties and explain their roles in material assessment.+ Show more

Learning Objectives

• Understand the basic principles of Mendelian inheritance.
• Identify dominant and recessive traits in organisms.
• Differentiate between Mendelian and non-Mendelian inheritance patterns.