Grade 9 Science Worksheets

Learning Objectives

• Describe how observable properties can be used to identify and classify substances
• Differentiate between physical properties and changes that require chemical evidence
• Use vocabulary (e.g., colour, hardness, solubility, density, conductivity) to explain material behavior

Learning Objectives

• Describe how the particle model explains solids, liquids, and gases using particle spacing and motion
• Use the particle model to explain diffusion, pressure, and changes in temperature
• Relate kinetic energy and particle collisions to observable macroscopic effects

Learning Objectives

• Describe physical changes as changes in form or phase that do not create new substances
• Use the idea of conservation of identity to explain why particles stay the same during physical changes
• Distinguish physical changes from chemical changes using observable evidence

Learning Objectives

• Use conservation of mass and typical chemical patterns to predict likely reaction products.
• Classify reactions by type (synthesis, decomposition, oxidation, neutralization) and connect each type to common outcomes.
• Justify predicted products by checking element balance, charge balance, and observable clues.

Learning Objectives

• Compare the particle models of solids, liquids, and gases based on shape, volume, and particle motion.
• Explain phase changes (melting, freezing, evaporation, condensation, and deposition) using energy changes and particle behavior.
• Predict how temperature and pressure changes can influence the state of matter in real-world examples.

Learning Objectives

• Describe how individual electrical components behave and how their behavior shows up on I–V and temperature-related curves
• Distinguish linear vs. nonlinear component behavior and connect each to common real-world examples
• Explain how power ratings and operating limits affect circuit stability, energy loss, and component longevity under temperature extremes+ Show more

Learning Objectives

• Explain how Earth’s magnetic field originates and why it behaves like a giant dipole
• Describe how magnetic declination and dip affect navigation, mapping, and compass readings in real regions
• Interpret how auroras and ionospheric phenomena relate to charged particles and Earth’s magnetic environment+ Show more

Learning Objectives

• Define electric current, voltage, and resistance and relate each to how charges behave in circuits.
• Use correct units, symbols, and typical magnitudes to interpret electrical situations and instrument readings.
• Apply comparisons of current, voltage, and resistance to real-world contexts such as household wiring and heating elements.

Learning Objectives

• Explain how changing magnetic flux induces an emf in a conductor.
• Use Faraday’s law and Lenz’s law to predict induced voltage magnitude and direction.
• Describe how generators and transformers rely on electromagnetic induction in real power systems.

Learning Objectives

• Explain how magnetic fields are produced by permanent magnets and by moving electric charges
• Interpret magnetic field lines, including their direction and the forces they exert on magnetic materials
• Use the right-hand rule to relate current direction to magnetic field orientation around a wire+ 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

• Explain how wind and solar variability affects grid operation and dispatch decisions
• Describe roles of forecasting, storage, and reserves in balancing supply and demand
• Evaluate how renewable integration impacts planning, reliability, economics, and environmental outcomes

Learning Objectives

• Explain how grounding and overcurrent protection reduce electrical shock and fire risk.
• Interpret common electrical safety labels to identify protective features and installation requirements.
• Describe how insulation, approved equipment, and environmental conditions affect electrical safety in Alberta.

Learning Objectives

• Define physical properties as observable or measurable characteristics of matter that do not change chemical identity
• Distinguish intensive properties from extensive properties and predict how each can be used to compare materials
• Use physical-property data to classify substances and explain common separation choices+ Show more

Learning Objectives

• Explain how plate motions at divergent, convergent, and transform boundaries produce distinct surface features and hazards
• Describe how subduction and continental collision contribute to volcanism and mountain building
• Use earthquake and volcanic arc patterns to support the idea that lithospheric plates interact+ Show more

Learning Objectives

• Explain how friction and aerodynamic drag oppose motion and convert mechanical energy into thermal energy
• Use coefficients of friction and drag concepts to predict how surface texture, normal force, and speed affect resistance
• Interpret real-world examples (vehicles, sports equipment, pipelines, wind turbines) using qualitative cause-and-effect reasoning

Learning Objectives

• Explain how mechanical energy conservation relates kinetic and gravitational potential energy
• Use energy bookkeeping to predict feasible motion considering non-conservative losses like friction
• Identify energy transfers and dissipation in real Alberta contexts (hydroelectric dams and skiers)

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

• Interpret displacement–time and velocity–time graphs using slope to determine velocity and acceleration
• Use area under a velocity–time graph to determine displacement
• Identify key graph features such as constant segments, sign changes, discontinuities, and curved motion to describe real physical events

Learning Objectives

• Differentiate between speed, velocity, and acceleration and explain how each is measured
• Use unit conversions and sign conventions to interpret motion in one dimension
• Apply kinematic relationships to compare motion using basic algebra

Learning Objectives

• Explain how Newton’s First Law (inertia) relates force to changes in motion
• Use Newton’s Second Law to predict how acceleration depends on net force and mass
• Describe Newton’s Third Law (action–reaction) and apply it to real situations like recoil and anchored structures+ Show more

Learning Objectives

• Explain how net force is determined by vector addition of all forces acting on an object, including direction.
• Predict motion changes (acceleration, deceleration, and equilibrium) from the net force and force direction.
• Apply friction and air resistance as opposing forces to analyze realistic Alberta scenarios.

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 simple machines transfer forces to change effort, load, or direction of motion
• Compare ideal mechanical advantage with practical mechanical advantage and account for friction
• Use input and output relationships (force and displacement) to reason about machine performance

Learning Objectives

• Explain how work relates to force and distance in the direction of motion
• Compare simple machines using the ideas of input force, output force, and mechanical advantage
• Evaluate energy trade-offs, including efficiency and the effects of friction

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

• Describe the cell membrane, cytoplasm, and genetic material and how they support cell function
• Explain how different organelles contribute to processes such as energy production and protein synthesis
• Interpret how cell models (diagrams and 3D representations) help connect structure to function

Learning Objectives

• Explain oxidation and reduction in terms of electron transfer and oxidation-number change.
• Determine which species is oxidized or reduced and identify oxidizing and reducing agents.
• Track oxidation-state changes to help balance and interpret redox reactions, including combustion and displacement.+ Show more

Learning Objectives

• Explain how reflection, refraction, transmission, and absorption affect wave direction and energy at boundaries
• Use wave models to predict changes in wavelength when waves enter a new medium
• Describe how diffraction and interference patterns form when waves pass through openings or overlap

Learning Objectives

• Understand the criteria used to compare different design solutions.
• Identify key performance metrics and environmental impacts.
• Analyze trade-offs among efficiency, durability, cost, and safety.+ Show more

Learning Objectives

• Understand the importance of controls in scientific investigations.
• Identify variables and safety practices in experimental procedures.
• Explain how measurement accuracy impacts data reliability.+ 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

• Describe the relationship between Earth's rotation, orbit, and observable day-night cycles.
• Explain the concepts of sidereal and solar days and their significance in celestial observations.
• Analyze how gravitational interactions affect orbital parameters and phenomena like tides.+ Show more

Learning Objectives

• Explain the mechanisms of plate tectonics, including divergent, convergent, and transform boundaries.
• Describe the processes of subduction and continental collision and their surface expressions.
• Link mantle convection and slab pull to the movement of lithospheric plates and their geological consequences.+ 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

• 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

• Understand the societal uses and benefits of common chemicals.
• Assess potential risks and environmental impacts associated with chemical use.

Learning Objectives

• Describe the processes involved in solution formation and dissolution.
• Identify factors that affect solubility, such as temperature and agitation.
• Differentiate between saturated, unsaturated, and supersaturated solutions with examples.+ Show more

Learning Objectives

• Explain the mechanical and chemical processes involved in food digestion.
• Describe how nutrients are absorbed across the intestinal epithelium.
• Identify the roles of villi, microvilli, bile, and enzymes in digestion.+ Show more

Learning Objectives

• Describe the structure and function of the nephron in blood filtration and urine formation.
• Explain the processes of glomerular filtration, reabsorption, and secretion in the kidney.
• Understand how the kidney concentrates urine through countercurrent mechanisms.+ 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 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 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 acceleration relates to changes in speed over time.
• Interpret distance–time and speed–time graphs to identify acceleration patterns.
• Explain the significance of acceleration direction during speed increase or decrease.+ Show more

Learning Objectives

• Understand how distance and time relate to speed in motion.
• Explain how changes in speed over time relate to acceleration.
• Interpret distance-time and speed-time graphs to describe motion.+ 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 how changes in wave parameters affect wave signals.
• Relate wave frequency, wavelength, and amplitude to wave energy and patterns.
• Translate between different wave representations based on wave parameters.+ Show more