Grade 9 Worksheets

Learning Objectives

• Understand the functions and roles of different cell organelles.
• Identify the specific activities carried out by mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus, lysosomes, and peroxisomes.
• Explain how organelle specialization supports cellular efficiency and coordination of metabolic pathways.+ Show more

Learning Objectives

• Understand the composition and function of different organ tissues.
• Describe how organs and organ systems work together to sustain life.
• Identify examples of organ systems and their interconnected roles.+ Show more

Learning Objectives

• Explain how solar radiation, prevailing winds, and ocean currents contribute to regional climate differences
• Describe how air masses, frontal lifting, and orographic effects influence temperature and precipitation
• Analyze how climate gradients affect ecosystems, water availability, and human habitation+ Show more

Learning Objectives

• Explain how glacial processes such as plucking and abrasion shape bedrock and form valleys and basins.
• Describe how glacial ice movement and meltwater deposition create landforms including moraines, drumlins, eskers, and glacial lakes.
• Analyze how post-glacial rebound and changing hydrology affect soil, drainage patterns, vegetation, and settlement choices.

Learning Objectives

• Explain how ocean currents and sea-surface temperature anomalies influence atmospheric circulation and storm tracks.
• Describe how El Niño and lake-effect snow form and how they affect precipitation and weather patterns.
• Analyze how long-term climate trends may change ocean-atmosphere interactions and coastal impacts.+ Show more

Learning Objectives

• Identify major sensor characteristics used in remote sensing, including spectral bands, spatial resolution, and temporal resolution.
• Explain how remote sensing imagery can be analyzed to detect land use, vegetation health, and urban change.
• Evaluate how processing methods and ground truthing affect confidence and reduce misclassification.+ Show more

Learning Objectives

• Explain how proton count and chemical symbols determine an element’s identity
• Describe how atomic models represent element identity and particle changes
• Use atomic mass, natural occurrence, and symbolic notation to classify and interpret element properties

Learning Objectives

• Understand the fundamental principles of oxidation and reduction in redox reactions.
• Identify oxidation states of atoms in chemical species and track electron transfer.
• Explain how redox reactions are involved in processes like combustion and displacement.+ Show more

Learning Objectives

• Explain how housing supply and infrastructure capacity affect community sustainability and resilience
• Describe how demographic change, market dynamics, and policy choices can influence affordability and infrastructure strain
• Analyze how housing, transit, health services, and environmental risk interact to shape service delivery

Learning Objectives

• Understand the law of conservation of mass and its significance in chemical reactions.
• Interpret balanced chemical equations to verify mass conservation.
• Explain how mass measurements relate to atomic rearrangements during reactions.+ Show more

Learning Objectives

• Understand the concept of limiting reactants and how they determine product yield.
• Calculate theoretical yield using balanced chemical equations and molar masses.
• Differentiate between actual yield and theoretical yield, and compute percent yield.+ Show more

Learning Objectives

• Explain how cultural regions are defined by shared identity and historical ties
• Describe how language, religion, and traditional practices can form geographic patterns
• Analyze why cultural regions often have gradual boundaries rather than sharp borders+ Show more

Learning Objectives

• Interpret position–time and velocity–time graphs by relating slope to velocity and acceleration.
• Determine displacement from the area under a velocity–time graph and explain sign changes.
• Connect piecewise motion on graphs to changes in kinematic variables and Newton’s second law.

Learning Objectives

• Describe the concept of energy profiles and their significance in chemical reactions.
• Differentiate between exothermic and endothermic reactions based on energy profiles.
• Identify transition states and activation energy barriers in reaction pathways.+ Show more

Learning Objectives

• Explain how polygenic inheritance, epistasis, and pleiotropy can produce patterns that deviate from simple Mendelian ratios
• Describe how linkage, variable penetrance/expressivity, and environmental factors influence phenotype expression
• Use real-world examples from pedigrees or trait data to interpret complex inheritance outcomes

Learning Objectives

• Explain how gene expression converts DNA information into functional proteins through transcription and translation.
• Describe the roles of promoters, terminators, and messenger RNA in regulating transcription.
• Connect codons, tRNA, and the ribosome to how amino acids are assembled into polypeptides during translation.+ 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

• Describe the major stages of glycolysis and where they occur in the cell.
• Explain how glycolysis produces ATP and NADH, including the difference between investment and payoff.
• Compare what happens to pyruvate under aerobic versus anaerobic conditions.+ Show more

Learning Objectives

• Replace vague words with specific nouns, strong verbs, and accurate descriptors to clarify meaning.
• Apply consistent terminology to avoid confusion about key concepts in a text.
• Revise sentences to strengthen clarity and tone by using precise academic or technical language appropriately.

Learning Objectives

• Explain how coherence (clear connections between ideas) improves a draft’s impact on the reader.
• Revise paragraph order and add purposeful transitions to create logical progression.
• Strengthen emphasis by focusing supporting details on the most important claims.+ Show more

Learning Objectives

• Explain how homeostatic feedback loops maintain internal stability using sensors, control centers, and effectors.
• Differentiate negative feedback from positive feedback based on how each responds to deviations from a set point.
• Apply feedback principles to real physiological examples such as blood pressure regulation and blood clotting.

Learning Objectives

• Explain how insulin and glucagon act as hormonal regulators to maintain blood glucose near a set point.
• Describe the negative feedback loop involved in blood glucose control using beta cells, alpha cells, liver, and muscle.
• Connect glucose regulation to energy balance by tracing how tissues store or release glucose.

Learning Objectives

• Understand the principles of mechanical energy conservation and energy transfer.
• Identify real-world examples of energy conversions in Alberta contexts.
• Explain the effects of non-conservative forces like friction on energy transfer.+ Show more

Learning Objectives

• Understand the levels of biological organization from cells to organ systems.
• Identify the functions of tissues, organs, and organ systems in multicellular organisms.
• Explain how components at smaller scales support larger functions in organisms.+ Show more

Learning Objectives

• Describe the directional flow of energy through different trophic levels in an ecosystem.
• Explain the roles of producers and consumers in energy transfer.
• Identify reasons for energy loss at each trophic level and its effects on biomass.+ Show more

Learning Objectives

• Understand how genetic information in DNA directs protein synthesis.
• Describe the roles of DNA, RNA, and proteins in gene expression.
• Explain how changes in DNA can affect protein structure and cellular traits.+ Show more

Learning Objectives

• Identify a discussion’s main claim and the supporting details that justify it.
• Practice respectful turn-taking behaviors that keep a conversation focused and productive.
• Respond to others’ contributions by summarizing accurately before offering agreement, questions, or evidence-based disagreement.

Learning Objectives

• Identify key physical and perceptual features of urban landscapes, including city layout, transportation hubs, and public spaces.
• Explain how economic, social, and geographic factors influence how cities develop and function.
• Use urban landscape concepts to describe how cities respond to geographic constraints and opportunities.

Learning Objectives

• Understand the methods used to detect and measure pollution in air and water.
• Identify different indicators and patterns that reveal pollution movement.
• Explain how pollution sources and processes are linked through monitoring data.+ Show more

Learning Objectives

• Understand how gravity influences the motion of celestial bodies in space.
• Explain the relationship between mass, distance, and orbital speed.
• Describe how observed orbital patterns support gravitational theories.+ Show more

Learning Objectives

• Explain how organelles coordinate to move genetic information and proteins through the cell.
• Describe how mitochondria, lysosomes, and peroxisomes contribute to energy use, recycling, and detoxification.
• Use cause-and-effect reasoning to connect organelle functions to cellular homeostasis.+ Show more

Learning Objectives

• Understand how external forces influence the motion of objects.
• Analyze free-body diagrams to identify net forces and predict acceleration.
• Apply Newton's second law to various scenarios involving forces and motion.+ Show more

Learning Objectives

• Understand the basic concepts of nuclear fission and fusion.
• Explain how nuclear reactions release energy through changes in nuclear binding energy.
• Describe the differences in conditions and energy outcomes between fusion and fission.+ Show more

Learning Objectives

• Identify how relevant evidence strengthens a claim when it is integrated into a writer’s reasoning
• Explain the difference between presenting evidence and interpreting it for significance
• Use transitions and context to connect evidence to the specific point it supports

Learning Objectives

• Understand how ice cores, sediments, and proxies record past atmospheric conditions.
• Identify methods used to analyze historical greenhouse gases and climate change.
• Explain the significance of proxy data in understanding natural variability and recent trends.+ Show more

Learning Objectives

• Explain how different groups may interpret the same historical event in different ways.
• Analyze primary and secondary sources to identify multiple perspectives in Canadian history.
• Evaluate whose stories are told and why, using evidence and reasoning.

Learning Objectives

• Define work in terms of force and displacement and understand its relation to energy transfer.
• Differentiate between positive and negative work and their effects on an object's energy.
• Explain how work relates to real-world scenarios like lifting, pushing, and compression.+ Show more

Learning Objectives

• Explain how reasoning connects evidence to a writer’s claim by using clear cause-and-effect logic.
• Write explanations that define key terms and answer the reader’s “So what?” question.
• Strengthen written arguments by linking evidence to broader context and a logical conclusion.

Learning Objectives

• Understand the concepts of power and efficiency in mechanical systems.
• Describe how energy transfer affects performance in machines.
• Explain why systems lose energy and how that impacts efficiency.+ Show more

Learning Objectives

• Identify key migration routes in Canada during colonization and explain why movement followed certain pathways.
• Analyze motivations for migration (economic opportunities and political stability) and how they affected settlement trends.
• Evaluate the impacts of migration on Indigenous communities and on relationships between Indigenous and settler populations.

Learning Objectives

• Explain how distance and time relate to speed using rate concepts
• Interpret distance–time and speed–time graphs to describe constant speed and changing speed
• Describe acceleration as the rate of change of speed and connect it to changes in motion

Learning Objectives

• Define inertia and explain its relationship to an object's mass.
• Describe real-world examples demonstrating inertia in everyday life.
• Understand how forces overcome inertia to change an object's motion.+ Show more

Learning Objectives

• Identify an author’s purpose (to inform, persuade, entertain, or warn) by analyzing what details are emphasized, omitted, or framed as important.
• Explain how point of view influences tone and which perspectives are highlighted or minimized in a text.
• Analyze how word choice, structure, and credibility cues connect to the author’s goal and affect meaning.

Learning Objectives

• Explain conservation of matter using a particulate (atom-level) view of reactions
• Describe how atoms rearrange to form products while their total counts remain constant
• Use chemical equations and formulas to check that atoms are conserved

Learning Objectives

• Explain how waves transfer energy and, in many cases, information without transporting matter overall
• Describe how frequency, wavelength, and amplitude relate to observable features of a wave
• Connect wave properties to the idea of energy carried by waves

Learning Objectives

• Explain how feudalism created a hierarchy of lords, vassals, and serfs and shaped political power in Medieval Europe.
• Describe the role of Christianity in medieval cultural, educational, and social institutions.
• Analyze how political fragmentation, trade, warfare, and religious reform affected life across different regions.

Learning Objectives

• Explain how Earth's orbital and axial characteristics influence seasons and climate patterns.
• Describe the phases of the Moon and their predictable cycle.
• Understand how gravitational interactions between Earth, Moon, and Sun create tides.+ Show more

Learning Objectives

• Explain how trans-Saharan trade routes connected North Africa and sub-Saharan West Africa through the exchange of goods.
• Describe how trans-Saharan trade contributed to the growth and power of West African kingdoms such as Ghana and Mali.
• Analyze how trade promoted cultural diffusion, including the spread of Islam and changes in social structures.