Grade 9 Science Worksheets

Learning Objectives

• Understand the processes involved in carbon and nitrogen cycles within ecosystems.
• Identify how trophic transfer and stoichiometry influence population dynamics and biodiversity.
• Analyze the effects of perturbations such as nutrient enrichment, habitat change, and invasive species on ecosystems.+ Show more

Learning Objectives

• Explain the process of ATP production in cellular respiration and photosynthesis.
• Describe how energy is transferred and coupled in metabolic pathways.
• Compare the roles of electron transport chains in photosynthesis and respiration.+ Show more

Learning Objectives

• Understand the mechanisms of inheritance and chromosome behavior during meiosis.
• Identify patterns of Mendelian inheritance and deviations such as incomplete dominance, codominance, and linkage.
• Use Punnett squares, pedigree diagrams, and probability calculations to predict genotypic and phenotypic ratios.+ Show more

Learning Objectives

• Describe the mechanisms of passive diffusion, facilitated transport, and active transport across cell membranes.
• Explain how membrane composition and transport proteins contribute to electrochemical gradients and cellular homeostasis.
• Apply quantitative reasoning to predict how changes in concentration gradients and membrane permeability affect transport processes and cell function.+ Show more

Learning Objectives

• Understand the mechanisms that control metabolic pathways, including allosteric regulation and covalent modifications.
• Explain feedback inhibition and the role of hormones in shifting between energy storage and energy release.
• Model how enzyme kinetics and substrate concentrations influence reaction rates.+ Show more

Learning Objectives

• Understand the molecular mechanisms of DNA replication, transcription, and translation.
• Link genetic sequence variations and mutations to changes in gene expression and protein function.
• Apply sequence-based reasoning and molecular models to predict phenotypic outcomes of allelic changes.+ Show more

Learning Objectives

• Understand the roles of major organelles such as mitochondria, chloroplasts, endoplasmic reticulum, and lysosomes in cellular processes.
• Describe how organelle structures like cristae, thylakoids, and folded membranes influence their functions.
• Explain how cellular compartmentation optimizes metabolic pathways and energy flow.+ Show more

Learning Objectives

• Understand the key models describing allele frequency changes under various evolutionary forces.
• Explain the Hardy-Weinberg equilibrium as a null model for populations.
• Recognize the impact of bottlenecks and founder effects on genetic diversity.+ Show more

Learning Objectives

• Understand the pathways involved in cellular respiration, including glycolysis, the TCA cycle, and electron transport chain.
• Identify the differences between aerobic and anaerobic respiration and their effects on ATP production.
• Interpret reaction schematics and energy profiles associated with respiratory pathways.+ Show more

Learning Objectives

• Analyze spatial and temporal climate datasets to identify long-term trends and anomalies.
• Apply statistical techniques such as trend analysis and composite mapping to climate data.
• Interpret potential climate drivers by comparing datasets with external forcings like greenhouse gases and volcanic aerosols.

Learning Objectives

• Describe the main processes involved in energy transfer within Earth's atmosphere and oceans.
• Interpret global energy budget diagrams and flux tables to explain climate patterns.
• Relate energy partitioning to climate indicators such as surface temperature and sea surface temperature anomalies.+ Show more

Learning Objectives

• Understand the components of water budgets and how surface and subsurface water flows are quantified.
• Relate precipitation, evapotranspiration, human withdrawals, and streamflow variability within hydrologic systems.
• Explain the impacts of altered hydrologic fluxes on geomorphic processes and sediment yield.+ Show more

Learning Objectives

• Understand the mechanisms linking oceanic and atmospheric variability such as ENSO.
• Identify how sea surface temperature anomalies influence atmospheric convection and climate patterns.
• Analyze time-series and lag-correlation data to interpret ocean–atmosphere interactions.+ Show more

Learning Objectives

• Understand the different types of plate boundaries and their surface expressions.
• Identify characteristic features associated with divergent, convergent, and transform margins.
• Interpret geologic evidence such as seafloor age patterns and paleomagnetic stripes.+ Show more

Learning Objectives

• Interpret earthquake waveforms, travel-time curves, and epicenter maps to understand subsurface structures.
• Differentiate between P- and S-wave arrivals, waveform amplitudes, and frequency content.
• Locate rupture zones and connect seismicity patterns to tectonic environments and surface hazard phenomena.+ Show more

Learning Objectives

• Explain the interactions among the geosphere, hydrosphere, atmosphere, and biosphere using conceptual models.
• Identify key processes such as riverine nutrient transport, soil-atmosphere gas fluxes, and ocean upwelling effects.
• Understand how spatial schematics and mass-balance thinking help interpret environmental system feedbacks.+ Show more

Learning Objectives

• Understand the relationship between net external forces and changes in motion.
• Interpret force diagrams and free-body diagrams of objects in different scenarios.
• Apply Newton's second law quantitatively to calculate acceleration.+ Show more

Learning Objectives

• Understand the core relationships among displacement, velocity, and acceleration along a straight line.
• Interpret position–time and velocity–time graphs to analyze motion.
• Apply constant-acceleration equations to solve kinematic problems.+ Show more

Learning Objectives

• Understand the organization of different tissue types within organs.
• Identify key functions of major organs in the human body.
• Explain how organs and organ systems work together to sustain life.+ Show more

Learning Objectives

• Understand how nervous and endocrine systems coordinate responses to stimuli.
• Identify the roles of nerve impulses and hormones in maintaining homeostasis.
• Explain how neural inputs can trigger hormonal release and vice versa.+ Show more

Learning Objectives

• Describe how feedback loops contribute to multi-system coordination in the body.
• Explain the roles of neural, hormonal, and local signals in mediating organism responses.
• Analyze how disruptions in one component of system coordination can cascade to affect overall homeostasis.+ Show more

Learning Objectives

• Identify and describe the four main tissue types in the human body.
• Understand the functions of epithelial, connective, muscle, and nervous tissues.
• Recognize how tissue structure relates to their specific functions.+ Show more

Learning Objectives

• Understand how mechanical systems transfer energy between kinetic and potential forms.
• Identify examples of energy transfer such as braking and spring compression.
• Explain how energy is conserved and transformed into heat during mechanical interactions.+ Show more

Learning Objectives

• Understand how impulse relates force, contact time, and change in momentum during collisions.
• Differentiate between elastic and inelastic collisions and their energy transformations.
• Apply the impulse-momentum principle to analyze collision scenarios.+ Show more

Learning Objectives

• Understand the concept of inertia and how it relates to an object's mass.
• Identify real-world examples illustrating inertia.
• Explain how forces must overcome inertia to change an object's motion.+ Show more

Learning Objectives

• Understand how mass affects acceleration under a given net force.
• Distinguish between inertial mass and gravitational effects.
• Apply the force–acceleration relationship to predict object behavior.+ Show more

Learning Objectives

• Explain the concept of net force and how it affects motion.
• Identify when forces are balanced versus unbalanced.
• Resolve forces into components and compute net force.+ Show more

Learning Objectives

• Explain the three laws of motion proposed by Isaac Newton.
• Identify observable effects of Newton's laws in real-world scenarios.
• Describe how forces influence the motion of objects.+ Show more

Learning Objectives

• Define and explain the concepts of power and efficiency in mechanical systems.
• Calculate power and efficiency in simple systems.
• Understand how energy losses affect the performance of machines.+ Show more

Learning Objectives

• Understand the process of natural selection and how it leads to adaptation in populations.
• Identify examples of selective pressure and adaptive traits in Alberta species.
• Differentiate between natural selection and artificial selection mechanisms.+ Show more

Learning Objectives

• Understand the major genetic technologies used in biotechnology such as selective breeding, hybridization, genetic modification, and gene editing.
• Recognize the applications of these technologies in agriculture and livestock breeding.
• Identify mechanisms of trait introduction and alteration at molecular and population levels.+ Show more

Learning Objectives

• Understand the role of genes as DNA segments coding for proteins.
• Explain the processes of transcription and translation in protein synthesis.
• Identify how gene regulation influences phenotypic traits in crops and livestock.+ Show more

Learning Objectives

• Understand Mendelian inheritance patterns including dominant and recessive alleles.
• Differentiate between genotypes and phenotypes in genetic traits.
• Apply Punnett square logic to predict offspring ratios.+ Show more

Learning Objectives

• Understand key principles of population genetics including allele frequency and Hardy-Weinberg equilibrium.
• Identify and explain mechanisms like genetic drift, bottlenecks, and founder effects.
• Evaluate the impact of small population size and isolation on genetic diversity.+ Show more

Learning Objectives

• Understand the differences between sexual and asexual reproduction.
• Identify examples of reproductive strategies in Alberta species.
• Compare ecological trade-offs associated with different reproductive modes.+ Show more

Learning Objectives

• Understand the role of sex chromosomes in determining sex-linked traits.
• Describe inheritance patterns of X-linked recessive conditions in mammals.
• Explain mechanisms such as hemizygosity and dosage compensation in sex-linked inheritance.+ Show more

Learning Objectives

• Understand the basic components of an atom: protons, neutrons, and electrons.
• Explain how atomic number and mass number relate to isotopes and element identity.
• Describe simple models of nuclei and electron shells to interpret chemical behavior.+ Show more

Learning Objectives

• Understand how chemical changes impact regional environments such as limestone degradation and nutrient cycling.
• Interpret observable environmental evidence using particulate and atomic explanations.
• Apply mass conservation principles to environmental transformations across landscapes.+ Show more

Learning Objectives

• Identify observable signs that indicate a chemical change has occurred.
• Distinguish between physical and chemical changes based on evidence.
• Recognize environmental and industrial examples of chemical transformations.+ Show more

Learning Objectives

• Explain the principle of conservation of mass in chemical reactions.
• Identify examples of mass conservation in real-world systems.
• Understand how mass measurements change in sealed systems and during combustion.+ Show more

Learning Objectives

• Understand the differences between mixtures and solutions in terms of uniformity and separability.
• Identify the roles of solute and solvent in solutions.
• Explain how concentration affects the appearance and behaviour of mixtures.+ Show more

Learning Objectives

• Understand the different types of chemical bonds: ionic, covalent, and metallic.
• Identify properties associated with each type of bonding based on electron interactions.
• Recognize how bonding types affect material properties and applications in industry and the environment.+ Show more

Learning Objectives

• Understand and identify various observable properties of substances.
• Recognize regional examples illustrating observable traits in materials.
• Describe how observable properties aid in classifying and distinguishing matter.+ Show more

Learning Objectives

• Understand the basic concepts of the particulate model of matter.
• Identify how particle behaviour explains diffusion, pressure, and temperature changes.
• Relate the arrangement and motion of particles in solids, liquids, and gases to observable phenomena.+ Show more

Learning Objectives

• Understand the concept of physical changes and how they differ from chemical changes.
• Identify examples of physical changes in everyday life and the environment.
• Explain the processes involved in phase changes like melting, freezing, and mechanical alteration.+ Show more

Learning Objectives

• Understand the structure of combined series and parallel circuits.
• Learn to simplify complex circuits by reducing series and parallel components.
• Identify equivalent resistances in mixed networks.+ Show more

Learning Objectives

• Understand the origin and nature of Earth's magnetic field.
• Identify the regional variation in magnetic declination and its effects.
• Explain how Earth's magnetic properties influence navigation and environmental monitoring.+ Show more

Learning Objectives

• Understand the definitions of electric current, voltage, and resistance as fundamental electrical quantities.
• Interpret typical magnitudes and units of electrical quantities in regional electrical systems.
• Analyze circuit components and energy transfer based on electrical measurements.+ Show more