Grade 9 Worksheets

Learning Objectives

• Understand the role of ATP as the main energy currency in cells.
• Describe the basic processes of cellular respiration and photosynthesis.
• Identify the electron transport chains in mitochondria and chloroplasts.+ Show more

Learning Objectives

• Explain how Earth's axial tilt influences seasons
• Describe the effects of Earth's orbit on climate and daylight
• Identify the causes of lunar phases and tides+ Show more

Learning Objectives

• Explain how gravitational force depends on mass and distance.
• Describe how orbital speed and distance work together to create stable orbits.
• Use observed orbital patterns to support claims about predictable motion in space.

Learning Objectives

• Describe the particle model for solids, liquids, and gases using lattice, fluidity, and compressibility ideas.
• Explain how temperature and pressure changes cause phase transitions between states of matter.
• Interpret real-world examples (freezing, evaporation, condensation) using energy and particle motion.

Learning Objectives

• Explain how cloud computing uses remote servers to provide storage and services.
• Describe how online storage supports backups, sharing, and syncing across devices.
• Use key vocabulary accurately, including cloud computing, server, storage, and sync.

Learning Objectives

• Explain how industrialization encouraged regional economic specialization in Canada.
• Describe how resource-based industries contributed to regional identities and disparities.
• Analyze how Indigenous perspectives affect understandings of land use and economic participation.

Learning Objectives

• Explain how lithospheric plate motion creates divergent, convergent, and transform boundaries
• Describe how subduction and continental collision build features such as ocean basins and mountain ranges
• Use earthquake and volcanic patterns to infer plate interactions+ Show more

Learning Objectives

• Explain how orbital eccentricity, axial tilt, and precession change Earth’s incoming solar energy over long timescales.
• Describe how variations in insolation influence the growth and melting of ice sheets and seasonal patterns.
• Connect geological evidence (glacial and interglacial periods) to orbital forcing and climate feedbacks.

Learning Objectives

• Identify the key components of simple mechanical systems
• Understand the forces acting upon objects within these systems
• Apply basic principles of Newton’s laws to analyze motion+ Show more

Learning Objectives

• Represent forces as vectors with both magnitude and direction
• Resolve a force into orthogonal components and interpret what the components mean physically
• Determine the resultant (net force) using graphical and analytical vector addition+ Show more

Learning Objectives

• Explain how the geosphere, hydrosphere, atmosphere, and biosphere interact through matter and energy exchanges.
• Use causal chains and mass-balance thinking to describe how nutrients, gases, and productivity move between Earth systems.
• Interpret coupled phenomena (such as river nutrient transport and ocean upwelling) using cross-domain models.

Learning Objectives

• Explain how fusion of gametes leads to zygote formation and early development
• Compare internal and external fertilization strategies and how egg provisioning affects survival
• Describe how embryonic stages and factors like temperature and moisture influence development success in populations

Learning Objectives

• Organize a finished digital product so it works correctly and is easy for others to use
• Present a final product by clearly explaining its purpose, audience, and key features
• Use effective vocabulary when describing design choices and functionality

Learning Objectives

• Identify how explanatory writing uses purposeful structure to clarify a complex idea
• Use transitions and headings to connect sections and show relationships between ideas
• Apply strategies such as cause-and-effect, comparison, and problem-to-solution organization+ Show more

Learning Objectives

• Understand the application of mathematical and computational methods in system modeling.
• Develop skills in formulating performance objective functions and conducting sensitivity analysis.
• Use spreadsheets or simple code to evaluate scenarios for engineering systems.+ Show more

Learning Objectives

• Understand the basic concepts of force and how it affects motion.
• Identify contact and non-contact forces in real-world Alberta settings.
• Explain how magnitude and direction of forces combine vectorially.+ Show more

Learning Objectives

• Interpret multiple lines of evidence for descent with modification, including fossil sequences, comparative anatomy, biogeographic distributions, and molecular phylogenies.
• Describe mechanisms such as natural selection, genetic drift, gene flow, and mutation that alter allele frequencies and produce adaptive traits.
• Employ models linking selective pressures and trait variation to population responses and evaluate scenarios like antibiotic resistance and morphological adaptation.

Learning Objectives

• Explain how current and voltage behave in series and parallel sections of mixed circuits
• Simplify mixed circuits by finding equivalent resistance step-by-step
• Use Ohm’s law and branch reasoning to determine current and voltage in circuit sections+ Show more

Learning Objectives

• Identify human activities that affect biodiversity and ecosystem services.
• Describe the effects of habitat fragmentation, pollution, and resource extraction.
• Analyze how changes in species diversity influence ecosystem functions and services.+ Show more

Learning Objectives

• Explain how fertilization leads to zygote formation and early embryonic development
• Compare internal and external fertilization strategies using real-world environmental examples
• Describe how temperature, moisture, and habitat quality can influence embryonic development and reproductive success+ Show more

Learning Objectives

• Combine key ideas from two or more texts to respond purposefully to a prompt.
• Explain where texts agree and how they differ using evidence and reasoning.
• Write an organized synthesis that goes beyond summary by showing relationships among ideas.

Learning Objectives

• Explain how physical factors (landforms, water access, climate) influence where people settle
• Analyze how human factors (resources, transportation, economic opportunities) shape towns and cities
• Identify settlement patterns using terms such as rural village, town, and city+ Show more

Learning Objectives

• Explain how simple machines transfer forces to reduce effort and/or change the direction of a force
• Compare ideal mechanical advantage with practical outcomes by accounting for friction
• Identify real-world examples of lever, wheel and axle, pulley, inclined plane, and screw used in everyday contexts+ Show more

Learning Objectives

• Understand how urbanization influences watershed processes.
• Identify human activities that impact water flow and sediment load.
• Explain consequences of watershed alterations on ecosystems and flood regimes.+ Show more

Learning Objectives

• Understand how ecological factors influence biodiversity within a community.
• Identify the roles of limiting resources and biotic interactions in population dynamics.
• Describe how changes in environmental factors can affect community composition.+ Show more

Learning Objectives

• Explain how waves transfer energy and (in many cases) information without transporting matter overall.
• Describe how frequency, wavelength, and amplitude relate to measurable wave behavior.
• Use wave properties to predict how wave energy and effects change in real-world situations.

Learning Objectives

• Understand the concepts of power and efficiency in energy transfer.
• Identify real-world examples of power and efficiency in engineering systems.
• Compare input power, useful work output, and energy losses to assess performance.+ Show more

Learning Objectives

• Compare Indigenous and settler historical narratives about contact, treaties, and colonization in Canada
• Explain how different sources and wording can shape interpretations of change and conflict
• Use evidence-based reasoning to assess the importance of Indigenous voices in historical understanding

Learning Objectives

• Explain why responsible AI use requires accuracy checks, critical thinking, and human judgment.
• Identify privacy risks and describe safe actions to protect personal information when using AI tools.
• Use key vocabulary (responsible, judgment, accuracy, privacy) to discuss ethical and safe AI practices.

Learning Objectives

• Understand how to quantify and interpret random and systematic uncertainties in measurements.
• Learn to calculate and interpret standard deviation, standard error, and confidence intervals.
• Apply error propagation methods to combined measurements and datasets.+ Show more

Learning Objectives

• Understand how industrialization transformed social classes and community relationships.
• Analyze the impact of economic change on gender roles and social reforms in Canada.
• Recognize indigenous and marginalized perspectives during societal shifts.

Learning Objectives

• Explain how storage reservoirs (atmosphere, oceans, ice/groundwater, and rocks) differ in exchange rates and time scales.
• Describe how carbon moves through fast and slow reservoirs and how feedbacks can amplify or dampen change.
• Connect energy flow to evaporation, winds, and temperature, and explain how those links create feedback loops.

Learning Objectives

• Identify key considerations in assessing safe and effective electrical system uses.
• Match device ratings and functions to specific electrical applications.
• Recognize appropriate protective measures for various electrical devices.+ Show more

Learning Objectives

• Analyze and compare the accuracy of different algebraic and graphical models in real-world problems.
• Apply criteria such as simplicity, fit, and interpretability to evaluate models.
• Use mathematical reasoning to justify the choice of a model based on data and context.+ Show more

Learning Objectives

• Explain how alleles combine to form genotypes and influence observable traits (phenotypes).
• Use dominance relationships to predict phenotypes from given allele combinations.
• Describe how multiple alleles and multiple genes can produce continuous variation across generations.

Learning Objectives

• Understand the concept of power and how it is measured in mechanical systems.
• Learn the definition of efficiency and how it compares useful output to input energy.
• Recognize the common ways energy is lost in real systems, affecting efficiency.+ Show more

Learning Objectives

• Differentiate between power and energy and understand their units.
• Identify how power ratings affect household energy consumption.
• Calculate energy demand over time using power ratings.+ Show more

Learning Objectives

• Understand how ice cores, tree rings, marine sediments, and speleothems serve as proxies for past climate conditions.
• Interpret isotopic ratios and growth increments in paleoclimate data.
• Relate proxy indicators to historical climate patterns and events.+ Show more

Learning Objectives

• Understand the key factors that influence population growth and decline.
• Analyze the impact of density-dependent and density-independent factors.
• Learn how populations affect community structure and ecosystems.

Learning Objectives

• Identify key prokaryote cell features described in a text.
• Compare prokaryote and eukaryote cell organization using vocabulary from the passage.
• Use textual evidence to answer statements about nucleoid DNA and organelle membranes.

Learning Objectives

• Describe how distance and time relate to speed in motion.
• Explain how changes in speed over time relate to acceleration.
• Identify patterns in distance–time graphs for constant and changing speeds.+ Show more

Learning Objectives

• Identify the main idea of a science text about ecological succession
• Distinguish key details about primary succession and how ecosystems change over time
• Explain, in writing, how succession can shift habitat conditions and species composition

Learning Objectives

• Use evidence from atmospheric CO2 records and global temperature trends to explain why climate change is linked to human activity.
• Connect land-use change (deforestation, urbanization) to changes in carbon storage and regional ecosystems.
• Describe how changes in precipitation patterns and biosphere/hydrosphere indicators can occur at regional to global scales.

Learning Objectives

• Explain how trophic interactions and feedback loops influence ecosystem responses to disturbances.
• Use simple quantitative reasoning to describe population and nutrient dynamics in ecosystem models.
• Evaluate resilience, regime shifts, and thresholds when multiple stressors act together.+ Show more

Learning Objectives

• Understand the concept of measurement uncertainty
• Identify common sources of errors in scientific measurements
• Evaluate how environmental and instrumental factors affect data accuracy+ Show more

Learning Objectives

• Explain how limiting factors control population growth and help determine carrying capacity in an ecosystem.
• Distinguish between density-dependent and density-independent limiting factors and give examples of each.
• Analyze how limiting factors influence species interactions, survival, and biodiversity over time.

Learning Objectives

• Explain how enzymes are regulated by allosteric control, inhibition, covalent modification, and gene expression.
• Describe how temperature and pH affect enzyme conformation and reaction rate.
• Use feedback inhibition to explain how cells prevent overproduction of products in metabolic pathways.

Learning Objectives

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