Grade 9 Science Worksheets

Learning Objectives

• Understand how Earth's orbital relationships influence seasons and climate patterns.
• Identify the Moon's phases and the cycles that determine lunar illumination.
• Explain how gravitational interactions between Earth, Moon, and Sun drive tides and cyclic phenomena.

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 how scalar and vector measures describe object motion.
• Identify and differentiate between speed, velocity, and acceleration.
• Apply unit conversions and sign conventions to analyze motion data.+ Show more

Learning Objectives

• Explain the concept of mechanical advantage and how it is used in different machines.
• Calculate mechanical advantage for levers, pulleys, and wheel systems.
• Analyze trade-offs between force reduction and displacement in mechanical systems.+ 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 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

• Explain the concept of force as an interaction capable of changing an object's motion.
• Identify and differentiate between contact and non-contact forces in real-world Alberta settings.
• Describe how magnitude and direction combine vectorially to represent forces.+ Show more

Learning Objectives

• Explain how work quantifies energy transfer through force and distance.
• Describe how simple machines modify force and distance to improve work efficiency.
• Identify real-world examples of levers, pulleys, and inclined ramps in Alberta contexts.+ Show more

Learning Objectives

• Explain the relationship between displacement, velocity, acceleration, and time using constant-acceleration equations.
• Apply standard motion equations to solve numerical problems involving vehicle stopping, ski descents, and falling objects.
• Use proper units and sign conventions when substituting values into motion equations.+ Show more

Learning Objectives

• Understand the fundamental principles of oxidation and reduction in chemical reactions.
• Identify how electron transfer affects oxidation states in redox reactions.
• Track changes in oxidation numbers to determine oxidizing and reducing agents.+ Show more

Learning Objectives

• Explain Newton’s second law using net force, mass, and acceleration
• Predict the direction and magnitude of acceleration from unbalanced forces
• Apply vector ideas to describe how multiple forces combine to produce net acceleration

Learning Objectives

• Identify how insulin and glucagon change blood glucose levels.
• Explain the negative feedback loop idea using hormones and body tissues.
• Use key terms (insulin, glucagon, glycogenolysis, gluconeogenesis, beta cells, alpha cells) in context.

Learning Objectives

• Describe the biochemical pathways involved in cellular respiration, including glycolysis, the citric acid cycle, and electron transport chain.
• Explain the role of ATP in energy coupling within cells.
• Relate mitochondrial and chloroplast functions to metabolic fluxes and organismal energy balance.+ Show more

Learning Objectives

• Understand the conventions for representing forces in free-body diagrams.
• Identify and label different forces acting on isolated objects in various scenarios.
• Learn how to analyze net force and conditions for equilibrium or acceleration using free-body diagrams.+ Show more

Learning Objectives

• Understand the engineering strategies used to minimize peak force during collisions.
• Analyze force‑time graphs and impulse to evaluate impact mitigation methods.
• Identify various collision mitigation techniques like crumple zones, airbags, and padding.+ Show more

Learning Objectives

• Describe how electrons are distributed among energy levels and orbitals using electron configuration.
• Explain the significance of valence electrons in chemical bonding and reactivity.
• Identify patterns in the periodic table based on electron configurations.+ Show more

Learning Objectives

• Differentiate between heterogeneous mixtures and homogeneous solutions based on uniformity and separability.
• Explain the roles of solute and solvent in a solution.
• Describe methods used to separate components of mixtures based on physical properties.+ Show more

Learning Objectives

• Understand that elements are defined by atoms with specific proton counts and symbols.
• Learn how atomic models represent atomic identity and elemental properties.
• Recognize the differences between natural occurrence and extraction, as well as metallic and nonmetallic characteristics.+ Show more

Learning Objectives

• Describe dissolution using solute–solvent interactions and explain how these interactions influence solubility.
• Differentiate saturated, unsaturated, and supersaturated solutions using qualitative examples such as sugar and salt in water.
• Explain how temperature and agitation affect solubility and relate these to practical methods like evaporation and crystallization.

Learning Objectives

• Understand how pedigree charts illustrate inheritance patterns across generations.
• Identify signs of autosomal dominant, autosomal recessive, X-linked, and mitochondrial inheritance in pedigrees.
• Interpret segregation patterns, penetrance, and how they affect inheritance analysis.+ Show more

Learning Objectives

• Understand how to interpret power ratings on household appliances.
• Differentiate between energy and power, and their units of measurement.
• Apply basic calculations to estimate energy consumption based on power and usage time.+ Show more

Learning Objectives

• Understand the principles of energy conservation in closed and open systems.
• Identify energy flow and system boundaries in different energy systems.
• Apply mathematical representations to trace energy transfer and reservoirs.+ Show more

Learning Objectives

• Understand the concept of thermal energy and heat transfer
• Recognize the different modes of heat transfer: conduction, convection, radiation
• Apply formulas involving specific heat capacity, mass, and temperature change to calculate heat transfer+ Show more

Learning Objectives

• Understand the concept of kinetic energy and how it depends on mass and velocity.
• Calculate kinetic energy using the formula KE = 1/2 m v^2.
• Recognize examples of kinetic energy in real-world systems.+ Show more

Learning Objectives

• Identify the main components involved in the Calvin cycle
• Describe the sequence of steps in the Calvin cycle
• Explain the role of enzymes and energy carriers in carbon fixation+ Show more

Learning Objectives

• Understand how impulse and force-time tradeoffs reduce peak impact forces.
• Analyze force-time graphs to evaluate energy dissipation strategies.
• Identify design features like crumple zones, airbags, and padding that mitigate collisions.+ Show more

Learning Objectives

• Understand the key factors influencing Earth's climate, including solar flux, albedo, greenhouse gases, and ocean heat transport.
• Interpret data and models related to Earth's energy budget and surface-atmosphere interactions.
• Analyze how variations in climate drivers lead to phenomena such as ice-sheet changes, El Niño events, and seasonal monsoons.+ Show more

Learning Objectives

• Understand how inclined planes decompose gravitational force into components
• Calculate the mechanical advantage of inclined planes
• Analyze how friction and slope angle affect motion and energy transfer+ Show more

Learning Objectives

• Explain the hierarchical levels from cells to organ systems in the human body.
• Describe how different tissue types contribute to organ functions and systems.
• Understand the principles of scaling from cellular interfaces to whole organ systems in physiology.+ Show more

Learning Objectives

• Understand how nephron architecture and hormonal mechanisms regulate fluid and electrolyte balance.
• Describe the processes of glomerular filtration, tubular reabsorption, and secretion.
• Explain how hormones like antidiuretic hormone and the renin–angiotensin–aldosterone system control blood pressure and volume.+ Show more

Learning Objectives

• Understand the basic principles of VSEPR theory to predict molecular shapes.
• Identify common molecular geometries such as linear, trigonal planar, tetrahedral, and bent.
• Explain how molecular shape influences properties like polarity and reactivity.+ Show more

Learning Objectives

• Understand the fundamental principles of natural selection and how it drives evolution.
• Identify examples of natural selection in nature, such as beak variation and antibiotic resistance.
• Describe different types of selection: directional, stabilizing, and disruptive.+ Show more

Learning Objectives

• Describe magmatic systems, eruptive styles, and volcanic gas emissions with an emphasis on compositional controls and tectonic setting differences.
• Contrast effusive shield volcanism and explosive stratovolcano behavior by linking magma viscosity and volatile content to eruptive energy and depositional products.
• Explain landscape modifications, atmospheric inputs, and long-term climate influences through petrologic indicators, eruption chronologies, and volcanic gas datasets.

Learning Objectives

• Describe the fundamental principles of cell theory and their significance in biology.
• Differentiate between unicellular and multicellular organisms based on cellular organization.
• Explain how cell structure relates to cellular function across diverse taxa.+ Show more

Learning Objectives

• Understand the concept of force and how it affects object motion.
• Identify different types of forces, including contact and non-contact forces.
• Recognize real-world examples of forces in Alberta settings.+ Show more

Learning Objectives

• Understand the relationship between displacement, velocity, and acceleration through graphs.
• Identify constant and non-uniform motion from graph slopes.
• Calculate velocity and interpret its significance from displacement–time graphs.+ Show more

Learning Objectives

• Understand the concept of mechanical advantage and its significance in machines
• Identify different types of levers and describe their properties
• Calculate mechanical advantage for various lever classes+ Show more

Learning Objectives

• Understand the key factors that influence population growth and decline.
• Identify the difference between density-dependent and density-independent factors.
• Explain how population patterns affect community interactions and ecosystem dynamics.+ Show more

Learning Objectives

• Describe how molecules move across cell membranes through passive and active transport.
• Explain the processes of diffusion, facilitated diffusion, and osmosis.
• Identify mechanisms such as active transport and vesicular transport like endocytosis and exocytosis.+ Show more

Learning Objectives

• Explain gravitational interactions that govern planetary and satellite trajectories.
• Describe Kepler's laws and their implications for orbital motion.
• Apply Newton's law of universal gravitation to orbital phenomena.+ Show more

Learning Objectives

• Define and distinguish between physical and chemical changes.
• Identify examples of physical changes such as melting, freezing, evaporation, condensation, and dissolution.
• Explain how energy transfer occurs during phase changes.+ Show more

Learning Objectives

• Understand the differences between mitosis and meiosis
• Identify the phases of cell division
• Explain the significance of chromosome pairing, segregation, and errors+ Show more

Learning Objectives

• Understand what compounds are and how they differ from mixtures.
• Explain how chemical formulas represent the elemental ratios in compounds.
• Describe the differences between covalent and ionic bonding and their effects on properties.+ Show more

Learning Objectives

• Describe various mechanisms of membrane transport including passive and active processes.
• Differentiate between diffusion, facilitated diffusion, osmosis, and active transport.
• Explain the role of vesicular transport in cellular processes such as endocytosis and exocytosis.+ Show more

Learning Objectives

• Quantify surface and subsurface water flows using water-budget frameworks and hydrographs.
• Relate precipitation, evapotranspiration, and human withdrawals to streamflow variability.
• Analyze connections between altered hydrologic fluxes and geomorphic responses.+ Show more

Learning Objectives

• Describe the structure and function of ATP as the cell's energy currency.
• Explain the process of hydrolysis of ATP and how it releases energy.
• Understand the role of phosphorylation in regenerating ATP and coupling biochemical reactions.+ Show more

Learning Objectives

• Understand how reactants transform into products during chemical reactions.
• Learn to represent reactions using chemical formulas and symbolic equations.
• Identify the roles of bond breaking and forming in energy changes during reactions.+ Show more

Learning Objectives

• Explain Mendelian inheritance patterns including dominant and recessive alleles.
• Distinguish between genotype and phenotype in genetic inheritance.
• Use Punnett squares to predict trait segregation ratios.+ Show more