Grade 9 Science Worksheets

Learning Objectives

• Describe the main components and reservoirs involved in biogeochemical cycles.
• Explain the processes that drive fluxes of elements like carbon, nitrogen, and phosphorus.
• Analyze how cycle rates and reservoir sizes influence ecosystem responses to environmental changes.+ Show more

Learning Objectives

• Understand the wave and photon models of electromagnetic radiation.
• Describe the relationship between frequency, wavelength, and energy.
• Identify characteristics and phenomena associated with different parts of the electromagnetic spectrum.+ Show more

Learning Objectives

• Understand the concept of speciation and its role in biodiversity.
• Identify the mechanisms leading to reproductive isolation.
• Differentiate between allopatric and sympatric speciation.+ Show more

Learning Objectives

• Understand how to interpret microscopy images and data.
• Identify features such as scale bars, staining patterns, and contrast techniques in images.
• Explain the differences between electron and fluorescence microscopy.+ Show more

Learning Objectives

• Understand how land-use change, invasive species, pollution, and resource extraction affect biodiversity and ecosystem functions.
• Analyze case studies such as deforestation, coral reef degradation, and agricultural runoff to evaluate environmental impacts.
• Interpret empirical data and information to assess trade-offs among conservation efforts, resource provisioning, and socioecological outcomes.+ Show more

Learning Objectives

• Understand how motion graphs represent displacement, velocity, and acceleration.
• Interpret the slope and area under motion graphs to determine physical quantities.
• Identify curved segments in graphs as changing acceleration regions.+ Show more

Learning Objectives

• Understand the concept of power as the rate of energy transfer.
• Learn how efficiency measures the conversion of input energy to useful work.
• Apply principles of power and efficiency to real-world engineering examples.+ Show more

Learning Objectives

• Describe the differences between series and parallel circuits.
• Explain how current and voltage behave in series and parallel arrangements.
• Identify real-world examples of circuit configurations.+ 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 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 process of fertilization as fusion of gametes leading to zygote formation.
• Differentiate between internal and external fertilization strategies with examples.
• Describe early embryonic stages, cell differentiation, and morphogenesis in animal development.+ Show more

Learning Objectives

• Understand the processes of mitosis and meiosis and their roles in growth, repair, and reproduction.
• Identify key events such as chromosome pairing, segregation, and errors like nondisjunction.
• Explain the implications of cell division errors on heredity and agriculture.+ Show more

Learning Objectives

• Understand the process of cellular energy production
• Identify the key stages of cellular respiration
• Explain the role of mitochondria in energy metabolism+ Show more

Learning Objectives

• Understand basic wave parameters: frequency, wavelength, amplitude.
• Describe how changes in wave parameters affect signals.
• Relate wave parameters to different wave representations.

Learning Objectives

• Understand the mathematical representation of gravitational and electrostatic forces and their inverse-square dependence.
• Apply force equations to calculate magnitudes and directions of forces between objects.
• Interpret vector directions in force interactions and predict net force outcomes.+ Show more

Learning Objectives

• Understand measures of central tendency: mean, median, and mode.
• Recognize when to use each measure based on data distribution and context.
• Explain how skewness, outliers, and multimodality affect the choice of central tendency.+ Show more

Learning Objectives

• Interpret spatial and temporal climate datasets to identify long-term trends and anomalies.
• Apply statistical and visual analysis techniques such as trend analysis and composite mapping.
• Differentiate between long-term climate change signals and internal variability.+ Show more

Learning Objectives

• Understand how genetic information in DNA directs protein synthesis.
• Describe the roles of DNA, RNA, and proteins in gene expression.
• Explain how changes in DNA can affect protein structure and cellular traits.+ Show more

Learning Objectives

• Understand the process of light reactions occurring in thylakoid membranes
• Identify key steps in photon absorption and electron transport
• Explain how a proton gradient leads to ATP synthesis and NADPH production+ Show more

Learning Objectives

• Define and distinguish between elements, compounds, and mixtures based on their composition and appearance.
• Identify examples of elements, compounds, and mixtures such as oxygen, salt, and air.
• Explain the criteria for classifying substances as pure substances or mixtures based on fixed composition and uniformity.+ Show more

Learning Objectives

• Understand the structure and purpose of phylogenetic trees in evolutionary biology.
• Identify key components such as common ancestors, monophyletic, paraphyletic, and polyphyletic groups.
• Interpret tree topology and branch length information related to genetic change or time.+ Show more

Learning Objectives

• Describe the different types of simple machines and their functions.
• Explain how simple machines reduce effort and change the direction of force.
• Differentiate between ideal and actual mechanical advantage in systems involving simple machines.+ Show more

Learning Objectives

• Describe how systems and decision models are used to evaluate climate mitigation and adaptation strategies.
• Explain the trade-offs among economic, environmental, and social variables in policy decision-making.
• Apply scenario analysis and integrated assessment approaches to real-world decision problems.+ Show more

Learning Objectives

• Understand the basic concept of chemical reactions
• Identify different types of chemical reactions such as combustion, synthesis, and decomposition
• Interpret symbolic chemical equations+ Show more

Learning Objectives

• Identify different observable properties such as color and texture in various materials.
• Describe how observable properties can help classify and understand materials.
• Recognize examples of observable properties in regional and everyday contexts.+ Show more

Learning Objectives

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

Learning Objectives

• Describe how Newton's laws relate net force, mass, and acceleration in motion.
• Interpret free-body diagrams and force components in various situations.
• Apply the proportionality between net force and acceleration to solve problems involving constant mass.+ Show more

Learning Objectives

• Explain the principle of conservation of mass in closed systems during chemical reactions.
• Describe how total mass before and after a reaction remains constant in sealed environments.
• Differentiate between apparent mass changes caused by gases and true mass conservation.+ Show more

Learning Objectives

• Explain how the nephron forms urine through glomerular filtration, selective reabsorption, secretion, and urine concentration
• Describe how hydrostatic and oncotic pressures influence the glomerular filtration rate
• Use countercurrent multiplication and ADH to predict how urine concentration changes+ Show more

Learning Objectives

• Understand the concept of vector quantities including magnitude and direction.
• Learn how to resolve force vectors into components along axes.
• Calculate the resultant force using graphical and analytical methods.+ Show more

Learning Objectives

• Identify the structure and functions of epithelial tissue.
• Describe the role of epithelial tissue in protection and exchange.
• Recognize different types of epithelial cells and their specific functions.

Learning Objectives

• Understand the characteristic behaviors of electrical components such as resistance, diode conduction, and temperature dependence.
• Identify real-world examples of component behaviors in electrical circuits.
• Analyze component curves, power ratings, and operating limits to determine their impact on circuit stability, energy efficiency, and longevity.+ Show more

Learning Objectives

• Describe the basic principles of electric motors and generators.
• Identify different types of motors and their applications.
• Explain electromagnetic induction and its role in generating electricity.+ Show more

Learning Objectives

• Understand the main components and functions of power distribution systems.
• Analyze how voltage transformation and feeder topology affect system reliability and capacity.
• Evaluate the environmental impacts and resilience considerations in power grid design.+ Show more

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

• Assess societal uses, benefits, and risks of everyday chemicals.
• Understand how chemical properties influence environmental and health impacts.
• Explore trade-offs between utility and safety in chemical use.+ Show more

Learning Objectives

• Differentiate among common science representation models: mathematical formulas, graphs, schematic diagrams, and computational approximations.
• Explain how representational fidelity, parsimony, and predictive scope guide model selection.
• Interpret how mapping model components to measurable observables supports evidence-based evaluation of a claim.

Learning Objectives

• Select an appropriate graph type (scatterplot, histogram, line graph, residual display) for a given scientific question.
• Construct graphs with correct axis scaling, labeling, and binning choices to support valid interpretation.
• Interpret visual patterns, outliers, trends, and correlation structures, and connect them to model choice.+ Show more

Learning Objectives

• Explain the key mechanisms that generate genetic variation such as point mutations, chromosomal rearrangements, and meiotic recombination.
• Describe how genetic variation affects phenotype and contributes to heritable diversity in populations.
• Analyze how molecular changes influence gene expression and protein function, impacting heritable traits.+ Show more

Learning Objectives

• Explain how grounding and overcurrent protection reduce electrical hazards
• Interpret the purpose of insulation, approved installation practices, and device labeling
• Apply Alberta-specific environmental considerations to evaluate whether an electrical installation is safer and more reliable

Learning Objectives

• Explain how power distribution systems move electricity from transmission lines to consumers through substations and feeders
• Describe the role of voltage transformation in reducing losses and improving safe delivery
• Analyze how feeder topology and protection systems affect reliability and the spread of faults+ Show more

Learning Objectives

• Define electric current, voltage, and resistance using correct symbols and SI units.
• Use quantitative reasoning to connect current, voltage, and resistance to circuit behavior and power.
• Interpret typical values and instrument readings related to electrical quantities in everyday Alberta contexts.

Learning Objectives

• Compare physical and chemical changes using ideas of energy transfer and system–surroundings interactions.
• Explain how endothermic and exothermic processes relate to observed temperature changes.
• Connect energy transfer to particle behavior in phase changes and to bond rearrangements in chemical changes.

Learning Objectives

• Explain the principles governing orbital motion, including Kepler's laws and Newton's law of gravitation.
• Calculate relationships between orbital period, semi-major axis, and escape velocity.
• Describe the effects of orbital resonance and perturbations on satellite and planetary stability.+ Show more

Learning Objectives

• Explain how DNA replication and chromosomal segregation ensure hereditary information transfer.
• Describe the roles of gametes and zygotes in inheritance.
• Identify observable inheritance patterns such as karyotype patterns and transmission ratios.+ Show more

Learning Objectives

• Describe different genetic mechanisms that generate heritable diversity.
• Explain how mutations, chromosomal rearrangements, and recombination affect allelic variation.
• Connect molecular changes to variations in phenotype and their impact on populations.+ Show more

Learning Objectives

• Describe the principles of single-gene inheritance patterns, including dominance, segregation, and independent assortment.
• Use Punnett squares to predict genotype and phenotype ratios in monohybrid and dihybrid crosses.
• Interpret pedigrees and understand inheritance probabilities and limitations such as incomplete dominance, codominance, and linked loci.+ Show more

Learning Objectives

• Understand the principles of dimensional analysis and apply unit consistency when combining measurements.
• Recognize how unit-checking can reveal algebraic errors in calculations.
• Derive relationships and transform measurements using correct units.+ Show more