Grade 9 Worksheets

Learning Objectives

• Understand the molecular mechanisms underlying genetic information flow from DNA to protein.
• Explain the significance of DNA replication fidelity and transcriptional control.
• Describe processes of RNA processing and translation.+ Show more

Learning Objectives

• Understand basic mechanisms of metabolic control
• Explain feedback inhibition in metabolic pathways
• Describe how hormones influence energy flux+ Show more

Learning Objectives

• Identify the structure of the cell membrane and its components
• Explain the functions of various organelles within the cell
• Understand how cell structure relates to cell function and transport+ Show more

Learning Objectives

• Understand the importance of variables in establishing control in experiments.
• Identify key criteria such as variable isolation, replication, and baseline characterization.
• Learn how control influences the interpretation and credibility of causal claims.+ Show more

Learning Objectives

• Understand the concept of electron configuration and how electrons are arranged in atoms
• Identify valence electrons and their role in chemical bonding
• Learn the order of electron shell filling and periodic trends related to atomic size and ionization energy+ Show more

Learning Objectives

• Identify examples of physical changes in everyday life.
• Differentiate between physical changes and chemical transformations.
• Describe the properties of physical changes and their reversibility.

Learning Objectives

• Identify and describe observable properties such as colour and texture in various materials.
• Understand how properties like hardness, malleability, conductivity, density, and solubility help in classifying matter.
• Analyze regional examples of observable properties to draw scientific conclusions.

Learning Objectives

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

Learning Objectives

• Understand the mechanisms by which heritable variation influences differential survival and reproduction.
• Identify examples of natural selection, such as beak morphology shifts and antibiotic resistance.
• Describe how models of fitness and allele frequency changes illustrate different types of selection.+ Show more

Learning Objectives

• Understand the distinction between power, energy, and system efficiency in technological systems.
• Calculate energy demand over time using power ratings and operational durations.
• Assess the impact of conversion losses and system inefficiencies on overall energy throughput.+ Show more

Learning Objectives

• Understand the interactions between land use, water management, and ecosystem health.
• Identify indicators of soil and water ecosystem resilience.
• Evaluate sustainable agriculture practices and their trade-offs.+ Show more

Learning Objectives

• Understand the principles of algebraic and computational models in engineering systems.
• Apply model formulation and parameter estimation techniques to real-world systems.
• Analyze the sensitivity of system outputs to design variables through numerical methods.+ Show more

Learning Objectives

• Understand the construction of phylogenetic trees using morphological and molecular data.
• Interpret relationships between species based on shared derived characters.
• Learn different methods for building phylogenies, including parsimony and molecular distance.+ Show more

Learning Objectives

• Interpret displacement–time and velocity–time graphs using slope and sign to determine velocity and acceleration.
• Use the area under a velocity–time graph to find displacement, including when velocity changes with time.
• Identify non-uniform acceleration from curved graphs and recognize discontinuities and direction changes from graph features.

Learning Objectives

• Explain the relationship between power, energy transfer, and energy losses in real systems
• Calculate efficiency from input energy and useful output energy (or input power and useful output power)
• Analyze how design choices affect operational limits and practical performance compared with theoretical models

Learning Objectives

• Explain how the choice of reference frame affects observed velocity and displacement.
• Apply vector addition to relate velocities measured in different frames (e.g., boat, truck, and aircraft scenarios).
• Interpret real-world motion situations using consistent reference-frame language.

Learning Objectives

• Explain how grounding and overcurrent protection reduce electrical hazards
• Interpret the purpose of insulation, approved installation practices, and device labeling
• Apply Alberta-specific environmental considerations to evaluate whether an electrical installation is safer and more reliable

Learning Objectives

• Explain the relationship between kinetic energy, gravitational potential energy, and mechanical energy conservation.
• Use energy transfer and non-conservative losses (like friction) to predict whether a motion is feasible.
• Apply energy conservation ideas to real-world contexts such as hydroelectric dams and skiers on slopes.

Learning Objectives

• Explain how power distribution systems move electricity from transmission lines to consumers through substations and feeders
• Describe the role of voltage transformation in reducing losses and improving safe delivery
• Analyze how feeder topology and protection systems affect reliability and the spread of faults+ Show more

Learning Objectives

• Describe major biotechnology methods used to alter organisms, including selective breeding, hybridization, genetic modification, and gene editing
• Explain how traits can be introduced or changed at both molecular and population levels
• Evaluate why regulation and monitoring are important when deploying biotechnology in agriculture

Learning Objectives

• Differentiate series and parallel circuit arrangements by describing how current and voltage behave
• Use circuit rules to predict how brightness and load distribution change in series versus parallel circuits
• Interpret simple circuit scenarios involving household wiring and lighting strings

Learning Objectives

• Interpret common circuit diagram symbols to identify components, connections, and control elements.
• Translate a schematic into an understanding of current paths and node relationships.
• Use reference nodes and notation to predict voltage differences across components.

Learning Objectives

• Define electric current, voltage, and resistance using correct symbols and SI units.
• Use quantitative reasoning to connect current, voltage, and resistance to circuit behavior and power.
• Interpret typical values and instrument readings related to electrical quantities in everyday Alberta contexts.

Learning Objectives

• Explain the processes of seafloor spreading, subduction, and volcanic arc formation.
• Describe how mantle convection influences surface features and tectonic activity.
• Interpret geologic cross-sections and magnetic anomaly patterns to understand plate movements.+ Show more

Learning Objectives

• Understand the interactions between land use practices and water resources.
• Identify indicators of ecosystem resilience and long-term land productivity.
• Evaluate the impacts of land management strategies such as irrigation, terracing, and urban sprawl.+ Show more

Learning Objectives

• Understand the application of mathematical and computational methods in system modeling.
• Develop skills to formulate models, estimate parameters, and tune variables using algebraic and computational tools.
• Analyze system performance through objective functions and sensitivity analysis.+ Show more

Learning Objectives

• Understand how impulse and force-time tradeoffs affect collision outcomes.
• Identify engineering strategies like crumple zones, airbags, and padding to reduce peak forces.
• Analyze force-time graphs to evaluate impact mitigation methods.+ Show more

Learning Objectives

• Understand the criteria used for evaluating design solutions quantitatively and qualitatively.
• Apply decision frameworks and matrices to compare performance, costs, and environmental impacts.
• Analyze trade-offs and uncertainties in selecting optimal system designs.+ Show more

Learning Objectives

• Understand the transition processes in energy systems towards decarbonization.
• Analyze the role of renewable energy, storage, and carbon capture in reducing greenhouse gases.
• Evaluate trade-offs between reliability, cost, and environmental impact in energy planning.+ Show more

Learning Objectives

• Understand the tradeoffs involved in digital and analog communication systems.
• Analyze how bandwidth constraints and noise affect signal quality and transmission capacity.
• Evaluate the role of sampling, error correction, and modulation techniques in reliable data transfer.+ Show more

Learning Objectives

• Analyze hydrologic data to understand water's role in shaping Earth's surface.
• Identify processes such as erosion, transport, and deposition in landscapes.
• Interpret discharge records, sediment load measurements, and watershed maps.+ Show more

Learning Objectives

• Explain how solar flux, albedo, greenhouse gases, and ocean heat transport influence Earth's climate.
• Interpret observational data and paleoclimate proxies to understand climate variability.
• Describe the processes involved in surface-atmosphere interactions affecting regional weather patterns.+ Show more

Learning Objectives

• Analyze historical atmospheric CO₂ records, land-use change, and temperature trends to understand human impact on climate.
• Identify evidence of anthropogenic effects such as fossil fuel combustion, deforestation, and urbanization.
• Explain how satellite data and the Keeling Curve illustrate changes in biosphere and hydrosphere.+ Show more

Learning Objectives

• Describe the formation process of the solar system from a protoplanetary disk.
• Identify evidence supporting planetary formation theories, including meteorite composition and radiometric dating.
• Explain the differences between inner rocky planets and outer gas giants based on planetary differentiation and volatile content.+ Show more

Learning Objectives

• Understand the components and structure of evidence-based reasoning in science.
• Identify how empirical observations, analyses, and models connect to scientific claims.
• Evaluate the sufficiency, consistency, and alternatives in evidence chains.+ Show more

Learning Objectives

• Understand principles of dimensional analysis and unit consistency in physical calculations.
• Apply unit-checking techniques to identify algebraic errors and validate models.
• Explore how units constrain possible forms of relationships and support estimation strategies.+ Show more

Learning Objectives

• Understand the role of computational simulations and models in scientific predictions.
• Explain the significance of parameter sensitivity and ensemble approaches in forecasts.
• Describe how visualizations depict uncertainty and how outputs are validated against data.+ Show more

Learning Objectives

• Explain how friction opposes relative motion between surfaces and converts kinetic energy into thermal energy.
• Differentiate between static and kinetic friction and their roles in motion.
• Describe how surface properties and normal force influence the magnitude of friction.+ Show more

Learning Objectives

• Understand methods used to interpret genetic data, including genotype and phenotype analysis.
• Identify techniques such as PCR markers, nucleotide variants, and sequencing reads.
• Compare observed and expected inheritance patterns to detect linkage or selection.+ Show more

Learning Objectives

• Understand how fossil, anatomical, and molecular evidence support evolutionary relationships.
• Describe how different lines of evidence complement each other in reconstructing evolutionary history.
• Recognize the importance of consistency among evidence types for determining descent with modification and divergence timing.+ Show more

Learning Objectives

• Understand the process of speciation and how it leads to biodiversity.
• Identify different reproductive barriers involved in speciation.
• Distinguish between allopatric and sympatric speciation.+ Show more

Learning Objectives

• Understand the main components and processes involved in biogeochemical cycles.
• Identify the roles of key processes such as photosynthesis, decomposition, nitrogen fixation, and weathering.
• Explain how cycle rates and reservoir sizes affect ecosystem responses to environmental disturbances.+ Show more

Learning Objectives

• Understand how human activities affect biodiversity and ecosystem services.
• Identify specific impacts such as land conversion, pollution, and resource extraction.
• Explain the effects of habitat fragmentation and nutrient runoff on ecosystems.+ Show more

Learning Objectives

• Understand the processes involved in nutrient cycling, including nitrogen fixation, assimilation, mineralization, and denitrification.
• Explain how physical transport and human activities influence nutrient availability in ecosystems.
• Analyze the impact of excess nutrients on aquatic systems and processes like eutrophication.+ Show more

Learning Objectives

• Identify the roles of producers, consumers, and decomposers in an ecosystem's trophic structure.
• Describe how energy flows through food chains and webs.
• Explain the concepts of trophic efficiency and trophic cascades and their impact on ecosystems.+ Show more

Learning Objectives

• Understand the key concepts of complex inheritance including polygenic traits, epistasis, and pleiotropy.
• Recognize how variable penetrance and expressivity influence phenotype expression.
• Learn about linkage and environmental effects on genetic traits.+ Show more

Learning Objectives

• Describe the processes of transcription and translation in gene expression.
• Identify the roles of DNA, mRNA, tRNA, and ribosomes in protein synthesis.
• Explain how regulation at transcriptional and translational stages influences gene activity.+ Show more

Learning Objectives

• Describe the chemical structures of DNA and RNA and their nucleotide components.
• Explain the significance of complementary base pairing in DNA replication and transcription.
• Identify key structural differences between DNA and RNA and their functional implications.+ Show more