Grade 9 Science Worksheets

Learning Objectives

• Describe the structure of the plasma membrane and its role in regulating material exchange.
• Differentiate between passive and active transport processes across cell membranes.
• Identify various membrane proteins involved in transport and communication.+ Show more

Learning Objectives

• Describe the hierarchical levels of biological organization from molecules to organisms.
• Explain the concept of emergent properties at each biological level.
• Understand how components assemble hierarchically to form complex biological systems.+ Show more

Learning Objectives

• Understand how feedback loops, redundancy, and cross-regulation contribute to complex system coordination.
• Explain how multiple organ systems work together during exercise to maintain homeostasis.
• Identify the effects of disruptions in system components on overall organism health.+ Show more

Learning Objectives

• Explain the roles of innate and adaptive immunity in protecting the body.
• Describe how immune responses coordinate with other systems to maintain homeostasis.
• Identify key components and functions of the immune system.+ Show more

Learning Objectives

• Understand how the nervous and endocrine systems coordinate responses to stimuli.
• Explain the roles of nerve impulses and hormones in homeostasis.
• Analyze the interaction between neural signals and hormonal responses.+ Show more

Learning Objectives

• Explain how insulin and glucagon regulate blood glucose levels.
• Describe the role of endocrine feedback loops in maintaining metabolic homeostasis.
• Identify tissues involved in glucose regulation during fasting and feeding states.+ Show more

Learning Objectives

• Describe the structure and function of different organ types.
• Understand how organs are organized into systems to perform vital functions.
• Explain the importance of tissue organization within organs.+ Show more

Learning Objectives

• Explain how pulmonary gas exchange at the alveolar–capillary interface occurs through diffusion driven by partial pressure gradients
• Describe how ventilation mechanics, surface area, and membrane thickness affect oxygen uptake and carbon dioxide removal
• Evaluate how ventilation–perfusion relationships and hemoglobin affinity influence oxygen delivery and aerobic metabolism

Learning Objectives

• Describe the layered structure of Earth's interior based on seismic evidence.
• Explain how seismic wave behavior informs our understanding of Earth's internal composition.
• Analyze the relationship between density contrasts, gravity, and thermal energy transfer within Earth.+ Show more

Learning Objectives

• Understand various mechanisms of asexual reproduction
• Identify examples of asexual reproduction in different organisms
• Compare ecological conditions favoring asexual versus sexual reproduction+ Show more

Learning Objectives

• Describe the orbital motions and rotation of Earth relative to celestial bodies.
• Explain observable cycles such as day-night, sidereal, and solar periods.
• Connect gravitational interactions among Earth, Moon, and Sun to tidal phenomena and orbital stability.+ Show more

Learning Objectives

• Explain how carrying capacity and resource limitation regulate population size over time
• Distinguish between density-dependent and density-independent factors and give examples
• Use logistic growth ideas to interpret how populations stabilize rather than grow forever+ Show more

Learning Objectives

• Understand how to interpret different types of graphs such as scatterplots, histograms, line graphs, and residual displays.
• Learn how to select an appropriate graph type based on data patterns and relationships.
• Identify the importance of axis scaling, labeling, binning choices, and visual patterns in data analysis.+ Show more

Learning Objectives

• Understand the basic concepts of natural selection
• Identify examples of natural selection in nature
• Explain the mechanisms that drive differential survival and reproduction

Learning Objectives

• Describe the dissolution processes and solute-solvent interactions.
• Identify factors affecting solubility such as temperature and agitation.
• Differentiate saturated, unsaturated, and supersaturated solutions with examples.+ 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

• Identify and categorize different types of chemical reactions including synthesis, decomposition, single and double displacement, and combustion.
• Recognize observable outcomes and reactant-product patterns for each reaction type.
• Apply reaction classification to predict products and understand mass relationships.+ 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

• Describe what characterizes physical changes, including state and form alterations.
• Identify examples of reversible and irreversible physical transformations.
• Explain how energy transfer accompanies phase changes such as melting and evaporation.+ Show more

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

• Understand the distinction between elements, compounds, and mixtures using macroscopic and compositional criteria.
• Define pure substances and mixtures based on their fixed or variable composition.
• Use symbols and formulas to represent elements and compounds.+ Show more

Learning Objectives

• Understand what constitutes a chemical change and how it produces new substances.
• Identify common indicators of chemical change such as temperature change, gas production, precipitate formation, and persistent colour change.
• Differentiate between microscopic transformations of reactants and observable evidence of chemical reactions.+ Show more

Learning Objectives

• Understand how compounds are represented by chemical formulas and names.
• Explain the difference between ionic and covalent bonding and their effects on properties.
• Learn the law of definite composition and how it relates to compound stoichiometry.+ Show more

Learning Objectives

• Differentiate between homogeneous and heterogeneous mixtures.
• Describe physical methods used to separate components based on physical properties.
• Identify examples of mixtures such as saltwater, soil, and air.+ Show more

Learning Objectives

• Explain phase changes in terms of energy transfer and particle motion.
• Identify the processes of melting, vaporization, sublimation, and condensation.
• Understand how heat energy affects particle potential and kinetic energy during phase transitions.+ 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

Learning Objectives

• Understand the particle model to explain gas properties such as pressure, volume, and temperature.
• Describe how particle collisions and kinetic energy influence measurable pressure changes.
• Explain qualitatively how macroscopic gas laws emerge from microscopic particle motion.+ Show more

Learning Objectives

• Understand the process of speciation and how it leads to biodiversity.
• Identify different reproductive barriers involved in speciation.
• Distinguish between allopatric and sympatric speciation.+ 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 the principles of Mendelian inheritance including dominance, segregation, and independent assortment.
• Analyze Punnett squares to predict genotype and phenotype ratios in monohybrid and dihybrid crosses.
• Interpret pedigree charts to determine inheritance patterns.+ Show more

Learning Objectives

• Understand the genetic mechanisms that generate heritable diversity in populations.
• Identify how point mutations, chromosomal rearrangements, and meiotic processes contribute to phenotypic variation.
• Explain the connection between molecular changes and alterations in gene expression and protein function.+ Show more

Learning Objectives

• Understand the role of decision models in environmental management.
• Learn how to evaluate mitigation and adaptation strategies using models.
• Analyze trade-offs among environmental, social, and economic variables.+ Show more

Learning Objectives

• Understand the observational evidence that constrains the chronology of the universe.
• Explain key concepts such as redshift, cosmic microwave background, and primordial abundances.
• Interpret how different measurements define the universe's age and expansion.+ Show more

Learning Objectives

• Understand the structure and function of genes as DNA segments that encode proteins.
• Explain the processes of transcription and translation in gene expression.
• Identify how gene regulation influences phenotype and observable traits in organisms.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the various energy transition pathways including renewable integration and energy storage.
• Analyze the trade-offs among reliability, affordability, and greenhouse gas reduction in energy systems.
• Evaluate life-cycle greenhouse gas emissions of different fossil fuel and renewable energy cycles.+ Show more

Learning Objectives

• Understand the levels of biological organization from cells to organism systems.
• Explain how tissues, organs, and organ systems interact to sustain organism functions.
• Identify examples of system interactions like circulatory-respiratory coupling and nervous-endocrine integration.+ Show more

Learning Objectives

• Identify the differences between series and parallel circuits.
• Describe the properties of series and parallel arrangements in electrical circuits.
• Analyze simple combined circuits to determine current and voltage distribution.+ Show more

Learning Objectives

• Identify major carbon reservoirs in the atmosphere, biosphere, oceans, and geosphere.
• Explain fluxes such as photosynthesis, respiration, dissolution, sedimentation, and fossil fuel formation.
• Quantify basic carbon exchange rates and residence times in different reservoirs.+ Show more

Learning Objectives

• Explain the mechanical and chemical processes involved in food breakdown during digestion.
• Describe how nutrients are absorbed across the intestinal epithelium, focusing on villi and microvilli.
• Understand the roles of enzymes, transport mechanisms, bile, and micelles in nutrient absorption.+ Show more

Learning Objectives

• Understand the formation process of the solar system from a protoplanetary disk.
• Identify evidence supporting planetary formation theories, including meteorite composition and isotopic radiometric dating.
• Explain differences between inner rocky planets and outer gas giants based on planetary differentiation and volatile content.+ Show more

Learning Objectives

• Understand the standardized symbols used in circuit diagrams.
• Interpret circuit topology from schematic representations.
• Predict current paths, voltage drops, and node relationships in various systems.+ Show more

Learning Objectives

• Explain the structure of evidence-based reasoning linking observations, analyses, and claims.
• Identify standards for sufficiency, consistency, and handling competing explanations in evidence chains.
• Evaluate the use of multiple representations—graphs, summaries, diagrams—in supporting inferential claims.+ Show more

Learning Objectives

• Analyze how time-series data and difference equations describe changing systems.
• Interpret phase diagrams and identify equilibrium states in dynamic models.
• Understand feedback loops, rates, and causality in empirical and mathematical representations.+ Show more

Learning Objectives

• Understand the principles of metric measurement and the importance of standard units.
• Analyze how instrument resolution and calibration affect measurement accuracy and precision.
• Interpret and create tabular and graphical representations of measurement data.+ Show more

Learning Objectives

• Understand the principles of scaling laws and their application in scientific modeling.
• Identify how dimensional similarity affects the design and interpretation of models across scales.
• Apply proportional reasoning to analyze relationships in systems like diffusion, biomass, and periodic phenomena.+ Show more

Learning Objectives

• Understand how to quantify and interpret random and systematic uncertainties in datasets.
• Calculate and compare standard deviation, standard error, and confidence intervals.
• Apply basic error propagation methods to combined measurements.+ Show more

Learning Objectives

• Define and explain the key control criteria used in establishing causality and their importance.
• Analyze how variable isolation, replication, baseline characterization, and reference conditions influence causal interpretation.
• Evaluate the impact of residual confounding and uncontrolled variation on the strength of causal claims.+ Show more