Grade 9 Worksheets

Learning Objectives

• Define chemical properties and distinguish them from physical properties.
• Identify examples of chemical reactions such as rusting and combustion.
• Observe and interpret signs of chemical change, including gas evolution, precipitate formation, and color change.+ Show more

Learning Objectives

• Use commas correctly with introductory elements, coordinating conjunctions, and parenthetical information.
• Use semicolons to connect closely related independent clauses and avoid comma splices.
• Use colons to introduce explanations, lists, or evidence after a complete introductory statement.+ Show more

Learning Objectives

• Explain how simple computational simulations generate predictions based on hypothesized mechanisms.
• Describe the role of parameter sensitivity and scenario comparison in modeling.
• Understand how ensembles and visualizations represent uncertainty in forecasts.+ Show more

Learning Objectives

• Understand conventions for conveying quantitative uncertainty in scientific reports.
• Identify different methods such as interval estimates, effect sizes, and likelihood statements.
• Recognize visualizations that portray variability and their interpretation.+ Show more

Learning Objectives

• Explain the differences between static and kinetic friction and how surface properties affect them.
• Describe the role of fluid drag and how it depends on velocity, surface area, and medium density.
• Apply quantitative relations involving μ coefficients and drag dependencies to real-world motion scenarios.+ Show more

Learning Objectives

• Understand the concept of action–reaction force pairs in Newton's third law.
• Identify equal magnitude and opposite direction forces in various interactions.
• Analyze phenomena such as propulsion, gravitational attraction, and collisions through force pairs.+ Show more

Learning Objectives

• Explain Newton's second law and its formula relating force, mass, and acceleration.
• Differentiate between mass and weight and understand their units.
• Apply the principle of vector quantities in force and acceleration analysis.+ Show more

Learning Objectives

• Understand the origin and characteristics of Earth's magnetic field.
• Explain regional variations in magnetic declination and their implications.
• Describe how magnetic dip and field behavior relate to planetary magnetism.+ Show more

Learning Objectives

• Define and differentiate between physical changes and chemical transformations.
• Identify examples of reversible physical changes in everyday scenarios.
• Analyze the effects of phase shifts like melting and freezing in natural and engineered processes.+ Show more

Learning Objectives

• Explain Newton's First Law as a statement about inertia and the relationship between net external force and motion.
• Differentiate between objects at rest and those moving at constant velocity.
• Describe the role of balanced forces in static and dynamic equilibrium.+ Show more

Learning Objectives

• Explain the structure and function of DNA and chromosomes.
• Describe how genetic material is organized within cells.
• Distinguish between nuclear and organelle genomes.+ Show more

Learning Objectives

• Understand the difference between series and parallel circuits.
• Identify circuit behavior based on component arrangements.
• Explain how current and voltage behave in series and parallel circuits.+ Show more

Learning Objectives

• Interpret position–time and velocity–time graphs in various motion scenarios.
• Understand how slopes of graphs relate to physical quantities like velocity and acceleration.
• Calculate displacement from areas under velocity–time graphs.+ Show more

Learning Objectives

• Understand the concept of work as the dot product of force and displacement, including the role of the cosine of the angle between them.
• Calculate work done by constant forces at an angle, including lifting against gravity and pulling objects.
• Compare methods for calculating work when forces vary, including using the area under force–distance curves in common approximations.+ Show more

Learning Objectives

• Define and distinguish between work, kinetic energy, and potential energy
• Understand the calculation of work for constant forces
• Explain energy transfer in mechanical systems such as lifting and accelerating objects+ Show more

Learning Objectives

• Understand the representation of forces as vectors including magnitude and direction.
• Learn to decompose forces into components and compute resultant forces graphically and analytically.
• Apply vector addition to force interactions in two-dimensional contexts such as inclined planes and angled cables.+ Show more

Learning Objectives

• Understand the roles of mitosis and meiosis in growth, repair, and reproduction.
• Describe the processes of chromosome pairing, segregation, and potential errors such as nondisjunction.
• Explain how heredity transmission and variation are influenced by cell division mechanisms.+ Show more

Learning Objectives

• Describe different mechanisms of asexual reproduction such as binary fission, budding, spore formation, and vegetative propagation.
• Explain the ecological and genetic consequences of producing clones through asexual strategies.
• Identify Alberta-specific examples of asexual reproduction like aspen groves, bacteria in soil, and horticultural practices.+ Show more

Learning Objectives

• Understand how to synthesize kinematic descriptions, force balances, and energy considerations in analyzing motion.
• Apply graphs, equations, and net-force reasoning to complex dynamic scenarios.
• Interpret integrated data to predict motion in transport and recreational contexts.+ 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

• Explain how observed speed and direction depend on the reference frame.
• Describe scenarios illustrating vector addition of velocities in relative motion.
• Analyze how frame choices impact calculations of displacement, speed, and acceleration.+ Show more

Learning Objectives

• Understand the concept of net force and how vector addition determines the resultant acceleration of objects.
• Analyze real-world scenarios involving opposing forces such as friction, air resistance, and applied loads.
• Calculate net force through vector analysis in practical Alberta situations like load tipping, vehicle deceleration, and rigging.+ Show more

Learning Objectives

• Understand the fundamental concepts of simple machines and how they reduce effort.
• Identify common examples and applications of lever, wheel and axle, pulley, inclined plane, and screw.
• Explain the difference between ideal mechanical advantage and actual mechanical advantage considering friction and support geometry.+ Show more

Learning Objectives

• Understand how the slope of displacement-time graphs relates to velocity.
• Interpret areas under velocity-time graphs to determine displacement.
• Identify non-uniform acceleration from curved graphs and discontinuities.+ Show more

Learning Objectives

• Understand the components and interactions within coupled environmental models.
• Analyze how model structure, parameter sensitivity, and uncertainty influence environmental projections.
• Evaluate multi-variable outputs and indicator metrics to compare hypotheses.+ Show more

Learning Objectives

• Explain the processes involved in mountain building, including crustal shortening, thickening, and metamorphism.
• Describe how isostatic adjustment influences mountain formation and landscape evolution.
• Analyze the relationship between plate convergence and surface topography using geologic evidence.+ Show more

Learning Objectives

• Understand how ice cores, tree rings, marine sediments, and speleothems serve as proxies for past climate conditions.
• Interpret proxy indicators such as isotopic ratios, growth increments, and microfossil assemblages to reconstruct climate history.
• Relate proxy records to temporal climate patterns, including glacial-interglacial cycles and abrupt climate events.+ Show more

Learning Objectives

• Understand the interactions among the geosphere, hydrosphere, atmosphere, and biosphere.
• Explain material and energy exchanges such as nutrient transport, gas fluxes, and ocean upwelling.
• Use conceptual models and diagrams to interpret coupled environmental phenomena.+ Show more

Learning Objectives

• Describe the main processes involved in atmospheric and oceanic energy transfer.
• Interpret global energy budget diagrams and flux tables to understand climate variability.
• Relate energy partitioning to observable climate indicators such as surface temperature and sea surface temperature anomalies.+ Show more

Learning Objectives

• Understand how friction and aerodynamic drag oppose motion and convert mechanical energy into thermal energy.
• Identify factors that influence friction and drag in various scenarios.
• Apply quantitative models using coefficients of friction and drag coefficients to estimate resistance forces.+ Show more

Learning Objectives

• Understand symbolic representation of reactants and products in chemical reactions.
• Explain the importance of balancing chemical equations to conserve atoms and mass.
• Apply stoichiometric principles to simple combustion and formation reactions.+ Show more

Learning Objectives

• Identify major organelles in eukaryotic cells and describe their functions.
• Explain how structural features like membrane folding and compartmentalization influence cell activity.
• Relate the structural differences among cell components to their roles in metabolism and exchange.

Learning Objectives

• Analyze the societal uses and benefits of common chemicals.
• Evaluate the risks and environmental impacts associated with chemical applications.
• Understand concepts of safe handling, disposal, and alternatives for chemicals.+ Show more

Learning Objectives

• Define and understand physical properties as observable or measurable characteristics.
• Distinguish between intensive and extensive properties of materials.
• Identify examples of physical properties in everyday substances such as ice, copper, and gasoline.+ Show more

Learning Objectives

• Understand hierarchical relationships among cells, tissues, organs, and systems.
• Identify examples of tissue specialization and extracellular matrices.
• Explain how tissue arrangement supports organ-level functions.+ Show more

Learning Objectives

• Describe common observable properties used to classify substances.
• Identify examples of observable properties in real-world contexts.
• Differentiate materials based on their observable traits using measurable criteria.+ Show more

Learning Objectives

• Understand the concept of energy profiles and their role in chemical reactions.
• Identify activation energy and how it affects reaction rates.
• Differentiate between exothermic and endothermic reactions based on enthalpy change.+ Show more

Learning Objectives

• Understand the different types of chemical bonds and their properties.
• Identify examples of ionic, covalent, and metallic bonding in real-world materials.
• Distinguish between the characteristics and behaviors of different bonding types.+ Show more

Learning Objectives

• Explain how energy flows directionally through trophic levels in an ecosystem
• Describe why energy availability decreases at higher trophic levels
• Use examples to connect producer energy capture to effects on entire communities

Learning Objectives

• Explain the role of skin, vasculature, and sweat glands in maintaining body temperature.
• Describe the neural and hormonal pathways involved in thermoregulation.
• Differentiate between mechanisms that increase heat production and those that promote heat loss.+ Show more

Learning Objectives

• Describe how hormonal feedback mechanisms regulate kidney function and help maintain homeostasis.
• Explain the processes of glomerular filtration, tubular reabsorption, and secretion in the nephron.
• Identify the roles of specific hormones such as antidiuretic hormone and the renin–angiotensin–aldosterone system in fluid and electrolyte balance.+ Show more

Learning Objectives

• Describe the different types of tissues and their cellular organization.
• Explain how tissue architecture supports organ functions.
• Identify microscopic features that influence tissue permeability, strength, and responsiveness.+ Show more

Learning Objectives

• Explain how the heart and lungs work together to supply oxygen and remove carbon dioxide.
• Identify the roles of pulmonary ventilation and cardiovascular transport in maintaining homeostasis.
• Describe how chemoreceptors regulate respiratory and circulatory responses to blood gas levels.+ Show more

Learning Objectives

• Describe the mechanisms of cell signaling, including ligand binding and signal transduction pathways.
• Identify different types of cell signaling such as autocrine, paracrine, endocrine, and synaptic.
• Explain how signal transduction pathways influence gene expression and cellular responses.+ Show more

Learning Objectives

• Explain how the fossil record can support gradual evolution over geological time
• Distinguish homologous structures from analogous structures caused by convergent evolution
• Describe how genetic data (DNA similarity) helps infer relatedness and shared ancestry+ Show more

Learning Objectives

• Explain how limiting factors affect population growth in an ecosystem
• Describe carrying capacity and how populations stabilize when limiting factors intensify
• Analyze how limiting factors influence species interactions and biodiversity over time

Learning Objectives

• Explain how chemical elements like carbon, nitrogen, and phosphorus cycle between organisms and the physical environment.
• Describe how respiration, decomposition, and nutrient uptake connect living things to air, water, and soil.
• Distinguish matter cycling from energy flow in trophic transfers.

Learning Objectives

• Explain how DNA replication errors can cause spontaneous mutations
• Identify environmental factors (such as radiation and chemicals) that can induce mutations
• Describe how mutations may or may not affect proteins and gene regulation+ Show more