Grade 9 Science Worksheets

Learning Objectives

• Describe the chemical structure of DNA and RNA and their nucleotide components.
• Explain the significance of nucleotide pairing, double helix formation, and strand orientation in DNA replication.
• Identify differences between DNA and RNA in terms of structure, sugar component, and base composition.+ Show more

Learning Objectives

• Describe the purpose and key processes of the Calvin cycle in photosynthesis.
• Identify the enzymes and molecules involved in the Calvin cycle.
• Explain how ATP and NADPH are utilized during the cycle to synthesize sugars.+ Show more

Learning Objectives

• Understand how organelle morphology varies across different cell types and taxa.
• Identify examples of cellular adaptations relating structure to function.
• Relate form and abundance of organelles to specialized physiological roles.+ Show more

Learning Objectives

• Explain how different organelles work together to maintain cellular functions.
• Describe the pathways of genetic information flow and protein trafficking within a cell.
• Identify the roles of mitochondria, lysosomes, and the Golgi apparatus in cellular processes.+ Show more

Learning Objectives

• Describe the main functions of human organ systems and how they work together.
• Explain how feedback mechanisms regulate physiological processes.
• Identify the roles of the circulatory, respiratory, digestive, renal, nervous, and endocrine systems.+ Show more

Learning Objectives

• Analyze how body systems interact to maintain homeostasis under various conditions.
• Explain feedback mechanisms, set points, and the coordination between endocrine and autonomic responses.
• Describe examples such as thermoregulation, acid-base balance, and responses to stress.+ Show more

Learning Objectives

• Describe how electrons are distributed among energy levels and orbitals in an atom.
• Explain the significance of valence electrons in chemical reactivity and bonding.
• Understand the shell filling order and its relation to periodic trends.+ Show more

Learning Objectives

• Describe the four main tissue types: epithelial, connective, muscle, and nervous tissues.
• Identify examples of specialized epithelia and their functions in absorption and secretion.
• Compare the structural differences among connective tissues from loose to mineralized bone.+ 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 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

• 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

• Explain the mechanisms of molecular movement across cellular membranes, including diffusion, facilitated diffusion, osmosis, and active transport.
• Describe how electrochemical gradients and membrane potentials influence transport processes.
• Differentiate between paracellular and transcellular pathways in epithelial layers.+ 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

• 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 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 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 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

• 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 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 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

• 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 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

• 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

• Describe diagnostic physical and chemical properties of common rock-forming minerals.
• Explain how mineral composition relates to formation environment and stability under varying temperature and pressure conditions.
• Connect mineral assemblages to petrogenetic histories and economic significance, including distinctions between ore minerals and gangue.

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 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

• Describe the Earth's rotation, revolution, and orbital parameters and how they cause observable cycles like day and night.
• Explain the relative motions of the Moon and Sun and how gravitational interactions lead to tidal phenomena.
• Differentiate between sidereal and solar periods and relate these to Earth's observable celestial cycles.+ Show more

Learning Objectives

• Understand how orbital parameters such as eccentricity, axial tilt, and precession influence seasonal insolation and climate variability.
• Explain the gravitational and geometric basis of tidal forcing from the Moon and Sun.
• Analyze resonance effects and tidal locking phenomena in orbital dynamics.+ 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 environmental exposures influence cellular processes and long-term health.
• Identify types of pollutants and hazards affecting human health.
• Describe mechanisms by which pollutants cause DNA damage, endocrine disruption, and transport impairment.+ Show more

Learning Objectives

• Understand the role of hormonal feedback mechanisms in maintaining homeostasis.
• Explain how insulin and glucagon regulate blood glucose levels via negative feedback loops.
• Describe the thyroid gland's control of metabolic rate through hormonal regulation.+ Show more

Learning Objectives

• Explain the fundamental principles of oxidation and reduction in chemical reactions.
• Identify electron transfer events and changes in oxidation states during redox reactions.
• Track oxidation state changes to determine oxidizing and reducing agents in chemical equations.+ 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 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

• Understand the different types of tissues and their functions.
• Identify characteristics of epithelial, connective, muscle, and nervous tissues.
• Explain how tissue structure relates to function in organs.+ Show more

Learning Objectives

• Understand the principle of conservation of mass during chemical reactions.
• Identify factors that can influence measured mass values.
• Explain how system boundaries and containment affect mass conservation analysis.+ Show more

Learning Objectives

• Understand the principles of Mendelian inheritance, including dominant and recessive alleles.
• Distinguish between genotype and phenotype in genetic traits.
• Explain how Punnett squares predict trait segregation ratios.+ Show more

Learning Objectives

• Differentiate between heterogeneous mixtures and homogeneous solutions based on their properties.
• Identify key components of mixtures and solutions, such as solute and solvent.
• Understand how concentration affects the appearance and behaviour of mixtures.+ 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

• Understand the construction and critique of scientific arguments using claim-evidence-reasoning structures.
• Identify coherence, relevance, and how alternative explanations are considered in scientific reasoning.
• Explain how quantitative evidence and model comparisons strengthen arguments.+ Show more

Learning Objectives

• Understand how to interpret various types of graphs including scatterplots, histograms, line graphs, and residual displays.
• Learn how to evaluate axis scaling, labeling, and binning choices to accurately interpret data patterns.
• Identify how visual features such as outliers, trends, and correlation inform model selection and analysis.+ Show more

Learning Objectives

• Understand the regulatory mechanisms that coordinate metabolic pathways, including allosteric control, covalent modification, and compartmentalization.
• Explain feedback inhibition and hormonal signals that shift metabolic flux between catabolism and anabolism.
• Model how enzyme kinetics and substrate concentrations influence pathway rates.+ 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

• Explain the particle model as a framework for understanding states of matter, diffusion, and temperature-dependent behavior.
• Describe how particle motion, spacing, and forces relate to microscopic and macroscopic phenomena.
• Relate kinetic energy to temperature and analyze particle arrangements in solids, liquids, and gases.+ Show more