Grade 9 Science Worksheets

Learning Objectives

• Describe the structure of the plasma membrane and its components involved in transport.
• Differentiate between passive and active transport mechanisms.
• Explain how membrane proteins like channels, pumps, and receptors facilitate cellular functions.+ Show more

Learning Objectives

• Compare the structural differences between prokaryotic and eukaryotic cells.
• Identify key features of prokaryotic cells and how they differ from eukaryotic cells.
• Describe the roles of membrane-bound organelles in eukaryotic cells.+ Show more

Learning Objectives

• Describe the role of kidneys in regulating water and ion balance through osmoregulation.
• Identify processes such as filtration, reabsorption, secretion, and concentration in the nephron segments.
• Explain how hormones like antidiuretic hormone and aldosterone influence kidney function.+ Show more

Learning Objectives

• Describe the roles of innate and adaptive immune responses in maintaining homeostasis.
• Identify key components and functions of the immune system when defending against pathogens.
• Explain how immune communication integrates with other bodily systems, including endocrine and circulatory pathways.+ Show more

Learning Objectives

• Define the main sources of genetic variation including mutation, recombination, gene flow, and chromosomal rearrangements.
• Explain how mutation rates and types influence genetic diversity.
• Describe mechanisms that increase or decrease genetic variation in populations.+ Show more

Learning Objectives

• Compare different energy and mineral resource options based on environmental and economic factors.
• Analyze the impacts of resource extraction methods on ecosystems and communities.
• Evaluate sustainable resource management practices and decision criteria for long-term planning.+ Show more

Learning Objectives

• Understand the key safety standards and codes for electrical installations.
• Identify purpose and labeling of protective devices used in electrical safety.
• Assess environmental considerations affecting electrical safety compliance.+ Show more

Learning Objectives

• Identify the key differences between prokaryotic and eukaryotic cells.
• Compare the cellular structures of bacteria and archaea.
• Describe the functions of specific organelles and genetic materials in prokaryotes.+ Show more

Learning Objectives

• Define sex chromosomes and explain their functions.
• Describe how sex-linked traits are inherited.
• Distinguish between X-linked recessive and dominant traits.+ Show more

Learning Objectives

• Describe different mechanisms of molecular movement across cell membranes, including diffusion, osmosis, and active transport.
• Explain the role of electrochemical gradients and membrane potential in transport processes.
• Differentiate between paracellular and transcellular pathways in epithelial tissues.+ Show more

Learning Objectives

• Understand the basic concepts and purposes of prototyping.
• Identify different prototyping methods such as sketches, CAD mockups, rapid prototyping, and physical models.
• Recognize the importance of testing protocols and measurement of performance metrics.+ Show more

Learning Objectives

• Understand how device ratings and environmental factors influence electrical system safety and efficiency.
• Identify appropriate protective measures for various electrical applications.
• Evaluate the suitability of electrical systems based on load demands, climate, and environmental considerations.+ Show more

Learning Objectives

• Construct scientific arguments using claim, evidence, and reasoning with clear logical links.
• Critique arguments by checking relevance of evidence, coherence of reasoning, and consideration of alternatives.
• Evaluate scientific explanations using quantitative evidence, model comparisons, and stated uncertainty and assumptions.

Learning Objectives

• Identify the major organelles and understand their specific functions in the cell.
• Explain how organelles like mitochondria and chloroplasts contribute to energy production.
• Compare the structures of various organelles and relate them to their roles.+ Show more

Learning Objectives

• Define physical properties and identify key examples such as density, melting point, and conductivity.
• Distinguish between intensive and extensive properties and understand their relevance in material classification.
• Describe how physical properties are measured and used to separate or classify materials.+ Show more

Learning Objectives

• Understand Newton's three laws of motion and their applications.
• Explain how forces affect the motion of objects in real-world contexts.
• Analyze and interpret motion patterns using Newtonian principles.+ Show more

Learning Objectives

• Understand the particle model and how it explains matter's behaviour.
• Describe particle arrangements and motion in solids, liquids, and gases.
• Explain real-world examples of particle behaviour, such as salt dispersal and odour spread.+ Show more

Learning Objectives

• Identify the main organs involved in neuroendocrine regulation.
• Understand how the hypothalamus and pituitary gland work together.
• Recognize anatomical features supporting hormonal control.+ Show more

Learning Objectives

• Understand the relationship between net force, mass, and acceleration as described by Newton's second law.
• Analyze how vector quantities like force and acceleration affect an object's motion.
• Apply the proportionality rule to predict an object’s change in speed or direction under various forces.

Learning Objectives

• Explain how waves behave at boundaries between media using reflection and refraction
• Describe how transmission and absorption affect the energy carried by waves
• Predict changes in wavelength and wave direction when wave speed changes across media

Learning Objectives

• Classify reactions as synthesis, decomposition, single displacement, double displacement, or combustion based on reactant-product patterns.
• Predict possible products by applying conservation ideas (especially conservation of mass and atoms) within each reaction type.
• Connect each reaction type to typical observable outcomes and real-world examples.

Learning Objectives

• Understand the mechanisms that lead to the formation of new species.
• Explain different models of speciation such as allopatric and sympatric.
• Identify examples of speciation in natural populations, including hybrid zones and polyploidy.+ Show more

Learning Objectives

• Understand the definition and characteristics of chemical change.
• Identify common indicators and evidence of chemical reactions.
• Distinguish between physical and chemical transformations at the microscopic level.+ Show more

Learning Objectives

• Define resilience and resistance and explain their roles in ecosystems.
• Describe factors influencing ecosystem resilience and resistance.
• Understand how crossing ecological thresholds leads to regime shifts.+ Show more

Learning Objectives

• Describe the organization of the nervous system from neurons to neural circuits.
• Explain how action potentials and synaptic transmission facilitate signal propagation.
• Relate cellular features like myelination and synaptic architecture to conduction velocity and processing.+ Show more

Learning Objectives

• Identify action–reaction force pairs in various everyday phenomena.
• Understand the concept of equal magnitude and opposite direction in force pairs.
• Analyze interaction dynamics using Newton's third law principles.+ Show more

Learning Objectives

• Understand the concept of net force as the vector sum of all forces acting on an object.
• Analyze how different forces combine to produce acceleration or equilibrium.
• Apply the principles of force addition to practical scenarios such as vehicle deceleration and load balancing.

Learning Objectives

• Define force and its role in motion
• Identify different types of forces, including contact and non-contact forces
• Understand how forces act in real-world Alberta settings such as icy roads and suspended cables+ Show more

Learning Objectives

• Understand the concept of net force as the vector sum of all forces acting on an object.
• Analyze how direction and magnitude of forces influence motion, including equilibrium and acceleration.
• Apply net force principles to practical Alberta scenarios involving friction, air resistance, and load tipping.+ Show more

Learning Objectives

• Understand the concepts of center of mass and how it affects the stability of rigid bodies.
• Calculate the center of mass for composite systems and analyze their stability.
• Apply torque and equilibrium conditions to determine tipping thresholds for structures.+ Show more

Learning Objectives

• Understand the flow of energy through trophic levels in an ecosystem
• Identify the structure and components of food webs
• Describe concepts of biomass distribution, production-to-biomass ratios, and ecological efficiency+ Show more

Learning Objectives

• Understand the different types of eclipses and how they occur
• Identify the celestial bodies involved in solar and lunar eclipses
• Explain the role of orbital inclination and paths of totality in eclipse visibility+ Show more

Learning Objectives

• Understand energy transfer across trophic levels in ecosystems.
• Identify the structure and function of food webs and trophic pyramids.
• Explain ecological efficiency and biomass distribution in different ecosystems.+ Show more

Learning Objectives

• Analyze how land-use change, invasive species, pollution, and resource extraction impact biodiversity and ecosystems.
• Interpret empirical data from case studies such as deforestation, coral reef degradation, and agricultural runoff.
• Evaluate trade-offs among conservation efforts, provisioning services, and socioecological outcomes.+ Show more

Learning Objectives

• Understand the roles of producers and consumers in ecosystems.
• Analyze how photosynthesis and cellular respiration transfer energy and cycle carbon and oxygen.
• Evaluate the impact of net primary productivity and biomass accumulation in autotrophs.+ Show more

Learning Objectives

• Understand the factors that influence population size and dynamics.
• Explore models such as logistic growth and predator-prey cycles.
• Analyze empirical data from fisheries and wildlife management.+ Show more

Learning Objectives

• Describe the processes involved in nutrient cycling, including microbial decomposition, fixation, mineralization, and sedimentation.
• Explain how human activities such as fertilizer runoff impact nutrient fluxes and ecosystem health.
• Analyze mass-balance considerations and how alterations in cycling rates affect ecosystems.+ Show more

Learning Objectives

• Understand the principles of allele frequency and Hardy-Weinberg equilibrium.
• Explain the effects of genetic drift, bottlenecks, and founder effects on genetic diversity.
• Analyze how gene flow, selection, and stochastic processes influence evolution and conservation.+ Show more

Learning Objectives

• Explain Mendelian inheritance patterns including dominant and recessive alleles.
• Distinguish between genotype and phenotype in genetic traits.
• Use Punnett squares to predict inheritance ratios for single-gene traits.+ Show more

Learning Objectives

• Understand the ecological, economic, and health risks and benefits associated with genetic technologies.
• Evaluate potential consequences such as gene flow, resistance development, and market impacts.
• Analyze therapeutic opportunities and the importance of risk assessment and mitigation strategies.+ Show more

Learning Objectives

• Understand the concept of natural selection and how it influences adaptation in populations.
• Identify examples of selective pressure and adaptive trade-offs in Alberta ecosystems.
• Differentiate between natural selection and artificial selection in shaping species traits.+ Show more

Learning Objectives

• Explain the principle of conservation of mass in closed systems during chemical reactions.
• Identify examples where mass remains constant despite apparent changes.
• Distinguish between gas exchange effects and true mass conservation in experiments.+ Show more

Learning Objectives

• Describe the mechanisms linking oceanic and atmospheric variability in climate systems.
• Explain phenomena such as ENSO and how sea surface temperature anomalies influence global weather patterns.
• Analyze time-series data, lag-correlation maps, and energy-budget perspectives related to ocean–atmosphere interactions.+ Show more

Learning Objectives

• Explain the processes of coastal erosion, sediment transport, and shoreline response to various natural forces.
• Analyze how sea-level change influences coastal morphology and habitats.
• Evaluate quantitative indicators such as shoreline retreat rates and beach volume changes.+ Show more

Learning Objectives

• Quantify surface and subsurface water flows using water-budget frameworks, hydrographs, and groundwater level records.
• Relate precipitation inputs, evapotranspiration, and human withdrawals to streamflow variability and aquifer sustainability.
• Analyze how altered hydrologic fluxes impact geomorphic responses such as channel adjustments and sediment yield.+ Show more

Learning Objectives

• Understand the components and interactions within coupled environmental models.
• Identify key parameters and sensitivities in integrated models.
• Evaluate how uncertainties propagate through complex environmental scenarios.+ Show more

Learning Objectives

• Analyze human activities affecting natural resources using quantifiable indicators.
• Interpret resource trends considering natural variability and system thresholds.
• Assess sustainability implications through comparative datasets and ratio-based measures.+ Show more

Learning Objectives

• Explain the mechanisms behind the three main types of plate boundaries: divergent, convergent, and transform.
• Identify surface expressions and characteristic features associated with each boundary type.
• Analyze geologic evidence such as seafloor age patterns, paleomagnetic stripes, and earthquake distribution to interpret plate movements.+ Show more