Grade 9 Science Worksheets

Learning Objectives

• Explain how ATP is produced and used through coupling between catabolic and anabolic reactions
• Compare electron transport chains in photosynthesis and cellular respiration and predict effects on ATP yield
• Use simplified quantitative stoichiometry and energy diagrams to connect molecular processes to cellular energy budgets+ Show more

Learning Objectives

• Explain natural selection, including heritable traits, selective pressure, and fitness
• Use Alberta examples to describe how adaptations can improve survival or reproduction
• Compare natural selection with artificial selection and describe how each changes populations over generations+ Show more

Learning Objectives

• Explain the basic operating principle of electric motors and generators using electromagnetic concepts
• Identify common motor and generator types and connect performance characteristics to real-world loads
• Distinguish how energy conversion works in motors versus generators

Learning Objectives

• Distinguish ionic, covalent, and metallic bonding using electron interactions
• Predict properties of substances (e.g., melting point, conductivity, structure) based on bonding type
• Explain how bonding influences real-world materials and applications, including those relevant to Alberta

Learning Objectives

• Explain how energy is transferred in the atmosphere and oceans through radiation, conduction, convection, and phase changes.
• Interpret global energy budget diagrams and flux tables to predict how differential heating drives circulation patterns.
• Connect energy partitioning to observable climate indicators such as surface temperature and sea surface temperature anomalies.

Learning Objectives

• Explain that power is the rate of energy transfer and identify common power units.
• Define efficiency as the fraction of input energy converted to useful work.
• Analyze how input power, output power, and energy losses affect performance in real systems.

Learning Objectives

• Explain how oceanic lithosphere subducts and how this creates trenches and volcanic arcs
• Describe the role of slab dehydration and melting in arc volcanism
• Interpret how subduction-zone processes can generate earthquakes, tsunamis, and major landforms

Learning Objectives

• Classify chemical reactions as synthesis, decomposition, single displacement, double displacement, or combustion based on reactant/product patterns.
• Predict likely products by applying reaction-category rules and using the idea that charges and atoms must be conserved.
• Explain how oxidation is involved in combustion and relate reaction categories to electron movement (redox considerations).

Learning Objectives

• Explain how forces (contact and non-contact) affect motion in everyday Alberta contexts
• Describe how magnitude and direction combine vectorially to determine net force and expected motion
• Use qualitative reasoning about opposing forces to predict motion before numerical calculations

Learning Objectives

• Explain how coupled quantitative models connect variables across the geosphere, hydrosphere, atmosphere, and biosphere.
• Use model structure and parameter sensitivity to interpret how changes affect multi-variable outcomes.
• Describe how uncertainty propagation (e.g., ensembles) improves the credibility of model projections.+ Show more

Learning Objectives

• Define physical properties and understand their significance in science.
• Identify examples of physical properties such as density, melting point, and conductivity.
• Differentiate between intensive and extensive properties.+ Show more

Learning Objectives

• Describe the apparent daily and yearly motion of celestial objects as observed from Earth.
• Explain how Earth's rotation and revolution create predictable sky patterns.
• Relate celestial coordinate concepts like altitude, azimuth, and rising/setting to observation.+ Show more

Learning Objectives

• Understand the principles of mechanical energy conservation in ideal systems.
• Explain the roles of kinetic and potential energy in energy interconversion.
• Identify factors that cause deviations from total mechanical energy conservation.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the principle of conservation of mass in chemical reactions within closed systems.
• Identify examples where mass remains constant despite apparent changes during reactions.
• Differentiate between true mass changes and gas exchange effects in experiments.+ Show more

Learning Objectives

• Understand the primary kinematic equations for constant acceleration motion.
• Apply equations to analyze vertical free-fall and projectile motion scenarios.
• Recognize sign conventions and component-wise treatment of motion under gravity.+ Show more

Learning Objectives

• Understand the concept of measurement uncertainty and its sources.
• Identify different sources of error in scientific measurements.
• Evaluate how uncertainty affects the confidence in experimental results.+ Show more

Learning Objectives

• Understand how uncertainty is represented in data displays like graphs and tables.
• Interpret error bars, uncertainty bands, and annotated ranges to assess data credibility.
• Evaluate whether observed differences are meaningful considering overlapping uncertainties.+ Show more

Learning Objectives

• Understand how vectors represent forces including magnitude and direction.
• Learn how to resolve forces into components both graphically and analytically.
• Calculate the resultant force using vector addition methods.+ Show more

Learning Objectives

• Understand how simple machines combine within compound machines to multiply force and displacement.
• Calculate overall mechanical advantage by analyzing force ratios and displacement relationships in systems.
• Distinguish between ideal and actual mechanical advantage, especially considering energy losses such as friction.+ Show more

Learning Objectives

• Describe the stages of stellar evolution from formation to end states.
• Understand the role of Hertzsprung-Russell diagrams and spectral classification.
• Explain the processes of nucleosynthesis and elemental enrichment in stars.+ Show more

Learning Objectives

• Understand the key hazards associated with different environmental and human-made factors.
• Identify safety measures and risk mitigation strategies in hazardous situations.
• Analyze scenarios to assess potential hazards and appropriate responses.+ Show more

Learning Objectives

• Describe the physical and cellular defenses of the immune system.
• Explain how innate and adaptive immunity work together to protect the body.
• Identify factors that modulate immune function, including stress and environment.+ Show more

Learning Objectives

• Explain the geometric relationships that produce lunar and solar phases.
• Differentiate between partial, total, and annular eclipses.
• Identify the conditions necessary for eclipses to occur, including node alignment and orbital inclination.+ Show more

Learning Objectives

• Understand the mechanisms of hormonal regulation and feedback in the human endocrine system.
• Analyze how hormones like insulin, glucagon, and thyroid hormones maintain homeostasis.
• Describe hormone synthesis, transport, receptor actions, and cellular effects including gene expression and enzyme activity.+ Show more

Learning Objectives

• Define power as the rate of energy transfer or work per unit time and understand its units.
• Explain mechanical efficiency and how it relates useful work to input energy.
• Analyze how losses from friction and heat affect efficiency.+ Show more

Learning Objectives

• Identify the four principal tissue classes: epithelial, connective, muscle, and nervous.
• Describe cellular compositions and extracellular matrix features of tissues.
• Explain the specialized functions of epithelial, connective, muscle, and nervous tissues.+ Show more

Learning Objectives

• Understand the processes involved in energy system transitions and decarbonization.
• Analyze the environmental impact of different energy sources through lifecycle assessment.
• Evaluate technology options for energy storage, carbon capture, and renewable integration.+ Show more

Learning Objectives

• Understand the major reservoirs of carbon and their roles in the Earth's carbon cycle.
• Describe the fluxes that move carbon among the atmosphere, biosphere, oceans, and geosphere.
• Quantify basic carbon exchanges and residence times.+ Show more

Learning Objectives

• Understand the concept of work as the dot product of force and displacement, including the angle between them.
• Differentiate between work with constant and variable forces.
• Apply area-under-curve methods to estimate work in variable-force scenarios.+ Show more

Learning Objectives

• Understand the principle of conservation of matter in chemical reactions.
• Learn how to balance simple chemical equations by matching atom counts.
• Explain the significance of coefficients in representing particle ratios.+ Show more

Learning Objectives

• Understand how individual forces combine to produce net force.
• Identify the effects of opposing forces on motion and acceleration.
• Analyze scenarios involving unbalanced forces and determine the resulting motion.+ Show more

Learning Objectives

• Understand how models are used to represent and explain scientific phenomena.
• Analyze quantitative data to evaluate scientific explanations.
• Interpret patterns and relationships in measurements related to motion, energy, forces, and waves.+ Show more

Learning Objectives

• Understand the concepts of heat transfer and work as energy pathways.
• Differentiate between heat transfer and work in physical and chemical changes.
• Explain how energy flows between a system and its surroundings through heat and work.

Learning Objectives

• Understand how inheritance patterns influence trait prediction across multiple generations.
• Learn to analyze parental allele combinations and predict offspring phenotypes.
• Recognize how dominant and recessive traits affect observable characteristics.+ Show more

Learning Objectives

• Understand the impact of human activities like fossil fuel use and deforestation on climate change.
• Analyze evidence such as the Keeling Curve and satellite data to interpret environmental trends.
• Explain how land-use change and urbanization affect regional and global ecosystems.+ Show more

Learning Objectives

• Understand the application of systems and decision models in evaluating strategies.
• Analyze trade-offs among environmental, economic, and social variables.
• Apply scenario analysis and integrated assessment approaches to policy options.+ Show more

Learning Objectives

• Understand the concepts of electric and magnetic field vectors, superposition, and forces on moving charges.
• Analyze the motion curvature of charges in magnetic fields and their deflection.
• Apply vector relationships and cross-product principles to predict forces and trajectories.+ Show more

Learning Objectives

• Understand how land-use change, invasive species, and pollution affect biodiversity and ecosystems.
• Analyze case studies such as deforestation, coral reef degradation, and runoff impacts.
• Interpret empirical data to evaluate conservation and resource management strategies.+ Show more

Learning Objectives

• Understand how water shapes Earth's surface through processes like erosion, transport, and deposition.
• Analyze different types of hydrologic data and interpret their implications on landscape evolution.
• Recognize the connection between hydrologic processes and temporal scales from storm events to geological changes.+ Show more

Learning Objectives

• Explain the concept of center of mass and how it affects stability.
• Describe the conditions for static equilibrium in rigid bodies.
• Identify factors influencing the tipping threshold of structures and objects.+ Show more

Learning Objectives

• Understand the concepts of negative and positive feedback in physiological systems.
• Identify examples of feedback mechanisms such as thermoregulation, blood glucose control, and osmoregulation.
• Distinguish between rapid corrective responses and slower hormonal adjustments in maintaining internal stability.+ Show more

Learning Objectives

• Describe the various sources of heritable genetic variation such as point mutations, chromosomal rearrangements, meiotic recombination, and independent assortment.
• Explain how molecular changes like crossing-over, insertions, deletions, and recombination contribute to phenotypic variability.
• Connect genetic variation mechanisms to population diversity, allele frequency changes, and the effects on gene expression and protein function.+ Show more

Learning Objectives

• Describe the roles of key organelle systems in cell function.
• Explain how organelle networks coordinate cellular processes such as metabolism and maintenance.
• Identify interactions between organelles like chloroplasts, mitochondria, ER, and peroxisomes.+ Show more

Learning Objectives

• Understand how the particle model explains gas properties such as pressure, volume, and temperature.
• Describe how microscopic particle motions relate to macroscopic gas laws and observable phenomena.
• Analyze real-world examples of gas behavior, including pressure changes and gas expansion.

Learning Objectives

• Describe the physical barriers that protect the body against pathogens.
• Explain the roles of cellular mediators like macrophages and lymphocytes in immune response.
• Identify the mechanisms of inflammation and immune memory formation.+ Show more

Learning Objectives

• Describe the nature of resistive forces such as static and kinetic friction and fluid drag.
• Explain how surface properties and relative motion influence frictional and drag forces.
• Apply quantitative relations involving coefficients of friction and drag dependencies on velocity, area, and medium density.+ Show more

Learning Objectives

• Understand human activities that influence watershed processes such as urbanization, deforestation, agriculture, and infrastructure.
• Describe the impacts of watershed alterations on runoff, sediment load, nutrient fluxes, and groundwater recharge.
• Identify the effects of watershed changes on channel morphology, flood frequency, and aquatic ecosystem health.+ Show more