Grade 9 Science Worksheets

Learning Objectives

• Understand the kinetic factors affecting reaction rates such as temperature, concentration, and catalysts.
• Explain the relationship between rate laws, reaction order, and molecular collision theory.
• Analyze energy profiles and transition states to connect molecular events with macroscopic reaction speed.+ 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 key molecular techniques used in biotechnology such as PCR, gel electrophoresis, DNA sequencing, and CRISPR.
• Identify various applications of biotechnology including diagnostic, therapeutic, agricultural, and forensic uses.
• Discuss ethical, legal, and societal considerations related to biotech advances such as privacy, ecological risks, and access issues.+ Show more

Learning Objectives

• Understand common genetic techniques used in biotechnology.
• Identify various applications of biotechnology in medicine, agriculture, and forensics.
• Recognize ethical and societal considerations related to biotech advancements.+ Show more

Learning Objectives

• Understand how deforestation affects biodiversity.
• Analyze case studies of human impacts on ecosystems.
• Interpret empirical data related to land-use change and habitat loss.+ Show more

Learning Objectives

• Distinguish oxidation from reduction using electron transfer and oxidation-number changes.
• Interpret oxidation states to identify oxidizing agents and reducing agents in simple reactions.
• Use oxidation-state tracking to help predict products and support balancing redox equations.

Learning Objectives

• Understand the fundamental concepts of Earth's magnetic field.
• Identify the magnetic poles and how they influence navigation.
• Recognize regional variations in magnetic declination and their implications.+ Show more

Learning Objectives

• Explain the concept of centripetal force in circular motion.
• Identify the role of tension, friction, and normal forces in maintaining curved paths.
• Calculate acceleration and force components involved in circular motion.+ Show more

Learning Objectives

• Identify different types of eclipses and their causes.
• Understand the geometry of eclipse formation.
• Describe the roles of the Sun, Earth, and Moon during eclipses.+ Show more

Learning Objectives

• Describe Earth's concentric layers including crust, mantle, and core.
• Differentiate between lithosphere and asthenosphere in mechanical behavior.
• Explain how density, temperature, and pressure vary with depth in Earth.+ Show more

Learning Objectives

• Understand that atoms are neither created nor destroyed in chemical reactions
• Recognize that mass is conserved in a closed system
• Explain particle-level changes during chemical reactions+ Show more

Learning Objectives

• Understand and apply the conservation of mass in balanced chemical equations.
• Calculate molar relationships, masses, and particle counts in chemical reactions.
• Identify limiting reagents and compute theoretical yields.+ Show more

Learning Objectives

• Understand key observational evidence constraining the age and expansion of the universe
• Identify the significance of redshift surveys, Hubble's law, and cosmic microwave background measurements
• Describe processes related to primordial element abundances and their role in cosmic chronology+ Show more

Learning Objectives

• Understand the structure of DNA and its role in inheritance.
• Describe the process of chromosomal segregation during meiosis.
• Explain how hereditary information is transmitted from parents to offspring.+ Show more

Learning Objectives

• Explain the microscopic particle model and how it relates to states of matter, diffusion, and temperature-dependent behaviors.
• Describe particle arrangements in solids, liquids, and gases and relate these arrangements to particle motion and forces.
• Connect the concept of kinetic energy to temperature and observe how particle motion influences observable phenomena such as pressure and diffusion rates.+ Show more

Learning Objectives

• Understand the structure and function of sex chromosomes in mammals.
• Explain how sex-linked inheritance affects trait expression differently between sexes.
• Identify examples of X-linked recessive conditions in Alberta fauna and livestock.+ Show more

Learning Objectives

• Understand the definitions of power and efficiency in energy transfer systems.
• Analyze regional engineering examples related to power output and energy losses.
• Compare input power, mechanical output, and energy wastage in various machines.+ Show more

Learning Objectives

• Define and distinguish between elements, compounds, and mixtures.
• Understand the criteria for classifying substances as pure or impure.
• Identify examples of elements, compounds, and mixtures.+ Show more

Learning Objectives

• Describe the characteristics of electric and magnetic fields using field vectors and field lines.
• Explain the concept of superposition of electric and magnetic fields and how they affect moving charges.
• Analyze forces on charged particles in magnetic fields, including curvature of trajectories and deflection phenomena.+ Show more

Learning Objectives

• Identify different categories of forces, including contact and non-contact forces.
• Understand the characteristics and examples of friction, tension, normal force, gravity, and electromagnetic interactions.
• Recognize action–reaction pairs and how forces are applied between objects.+ Show more

Learning Objectives

• Describe the main inputs, outputs, and steps involved in photosynthesis.
• Identify the role of pigments in capturing light energy.
• Explain how water oxidation releases oxygen during photosynthesis.+ Show more

Learning Objectives

• Understand how different microscope models represent cell structures and scales.
• Identify the purpose of diagrammatic and physical models in microscopy.
• Explain how visual models help interpret cellular functions and spatial relationships.+ Show more

Learning Objectives

• Explain how ATP production is linked to both catabolic and anabolic reactions through energy coupling
• Compare electron transport in photosynthesis and cellular respiration and describe its role in ATP formation
• Use simplified quantitative ideas (energy budgets and stoichiometry) to predict how pathway changes affect cell performance+ Show more

Learning Objectives

• Explain how the immune system defends against pathogens and maintains homeostasis.
• Differentiate between innate and adaptive immune responses.
• Describe how immune cells communicate with other systems like endocrine and circulatory pathways.+ Show more

Learning Objectives

• Understand the concept of homeostasis and its importance in body regulation.
• Identify different body systems involved in maintaining internal stability.
• Describe feedback mechanisms used in homeostasis.+ Show more

Learning Objectives

• Describe how the innate and adaptive immune responses work to protect the body.
• Explain the communication between immune cells and other systems like endocrine and circulatory pathways.
• Identify the roles of different immune responses in maintaining homeostasis after injury.+ Show more

Learning Objectives

• Explain the hierarchy of biological organization from molecules to organisms.
• Describe the concept of emergent properties at different levels of biological complexity.
• Understand how cellular processes contribute to the function of tissues, organs, and systems.+ Show more

Learning Objectives

• Understand the basic principles of electric motors and generators.
• Identify different types of motors and their applications.
• Explain the electromagnetic induction process used in generators.+ Show more

Learning Objectives

• Describe the different physical barriers, such as skin and mucosa, that defend against pathogens.
• Explain the role of cellular mediators like macrophages and lymphocytes in immune defense.
• Understand the mechanisms of inflammation, memory formation, and immune response modulation by environmental factors.+ Show more

Learning Objectives

• Understand the concept of physical changes and how they differ from chemical changes.
• Identify examples of physical changes such as melting and freezing.
• Describe the processes of melting and freezing in everyday life.+ Show more

Learning Objectives

• Understand the mathematical forms of gravitational and electrostatic force equations.
• Predict magnitudes and directions of forces between masses and charged objects using inverse-square laws.
• Apply vector concepts to analyze net forces in various scenarios.+ Show more

Learning Objectives

• Understand the function and coordination of organelle systems within cells.
• Identify the roles of chloroplasts, mitochondria, and the endoplasmic reticulum.
• Explain how transport vesicles and the cytoskeleton contribute to cell maintenance.+ Show more

Learning Objectives

• Understand the basic concept of linear momentum.
• Identify types of collisions: elastic and inelastic.
• Calculate total momentum before and after collisions.+ Show more

Learning Objectives

• Understand the origin and nature of Earth's magnetic field.
• Explore regional variations in magnetic declination and their implications.
• Learn how magnetic instruments are calibrated for geological and environmental monitoring.+ Show more

Learning Objectives

• Understand the key human activities that influence atmospheric carbon dioxide levels.
• Analyze how land-use change and fossil fuel combustion affect climate variables.
• Interpret data from indicators like the Keeling Curve and satellite imagery to assess environmental changes.+ Show more

Learning Objectives

• Explain the process of photosynthesis and its importance in energy transfer.
• Identify the roles of autotrophs and heterotrophs in ecosystems.
• Analyze how photosynthesis and respiration contribute to the carbon and oxygen cycles.+ Show more

Learning Objectives

• Explain inertia as an object’s resistance to changes in motion
• Relate inertia to mass and describe how net force and acceleration are connected
• Use real-world examples to predict and justify motion outcomes

Learning Objectives

• Explain how reaction conditions (temperature, pressure, concentration, and catalysts) can change reaction rates and product outcomes.
• Connect equilibrium and kinetics to predict how a chemical system can be refined for a desired product.
• Use basic reasoning about selectivity, yield, and side reactions to design reaction conditions in closed systems.

Learning Objectives

• Understand the application of mathematical and computational methods in system modeling.
• Develop skills to formulate, analyze, and tune models for systems such as building envelopes and photovoltaic arrays.
• Use spreadsheets or basic code to evaluate scenarios and interpret numerical outputs for design decisions.+ Show more

Learning Objectives

• Explain why biological classification uses hierarchical ranks and how organisms are grouped based on shared characteristics.
• Compare traditional classification (taxonomic ranks and morphology) with modern classification (evolutionary relationships and clades).
• Use binomial nomenclature concepts to interpret and communicate scientific names for species.

Learning Objectives

• Understand the processes involved in mountain-building, including crustal shortening, thickening, and metamorphism.
• Analyze how plate convergence influences surface topography and erosion patterns.
• Evaluate the impact of mountain-building episodes on regional climate and sediment delivery.+ Show more

Learning Objectives

• Understand how hormones regulate physiological processes through feedback loops.
• Identify components of hormonal pathways involved in glucose homeostasis and thyroid control.
• Explain cellular hormone actions including gene expression and enzyme activity changes.+ Show more

Learning Objectives

• Describe the major structural features of cells, including membranes, organelles, and the cytoskeleton.
• Explain how cellular structures are related to their specific functions such as transport, metabolism, and support.
• Analyze how changes in membrane composition or organelle integrity affect cell processes like diffusion and metabolic efficiency.+ Show more

Learning Objectives

• Understand the kinetic principles that relate reaction rate to collision frequency, activation energy, and pathways.
• Explain how temperature, concentration, and catalysts influence accessible energy distributions and reaction speeds.
• Describe the concepts of rate laws and reaction order, and interpret kinetic data such as bromine-iodide reactions.+ Show more

Learning Objectives

• Understand the concept of negative and positive feedback in physiological processes.
• Identify examples of feedback mechanisms involved in thermoregulation, blood glucose control, and osmoregulation.
• Explain the roles of sensors, effectors, and set points in maintaining internal stability.+ Show more

Learning Objectives

• Describe the pathways of cellular respiration, including glycolysis, the TCA cycle, and electron transport chain.
• Connect substrate-level phosphorylation and oxidative phosphorylation to ATP production.
• Compare aerobic and anaerobic respiration outcomes in cells.+ Show more

Learning Objectives

• Explain the law of conservation of energy for a closed system using kinetic, potential, internal, and radiation-related energy.
• Interpret energy changes in real scenarios by tracking how energy transfers and converts between forms.
• Use energy diagrams and total-energy accounting to predict what must remain constant (or change) during motion and interactions.

Learning Objectives

• Understand the basic form and derivation of constant-acceleration kinematic equations.
• Apply the equations to analyze vertical free-fall and projectile motion under gravity.
• Learn how to use sign conventions and component-wise treatment in motion problems.+ Show more