Grade 9 Science Worksheets

Learning Objectives

• Define speciation and understand its role in biodiversity.
• Differentiate between allopatric and sympatric speciation.
• Identify reproductive barriers that contribute to speciation.+ Show more

Learning Objectives

• Understand the concept of natural selection and its role in evolution.
• Identify examples of natural selection in real-world scenarios.
• Differentiate between types of selection: directional, stabilizing, and disruptive.+ Show more

Learning Objectives

• Understand different lines of evidence supporting evolutionary relationships.
• Identify how fossil, anatomical, and molecular data contribute to understanding biodiversity over time.
• Compare and evaluate various types of evidence used in evolutionary studies.+ Show more

Learning Objectives

• Describe how fossils provide evidence for past life and evolutionary history.
• Identify types of fossils and their significance in stratigraphy.
• Explain how stratigraphic context and dating methods determine fossil ages.+ Show more

Learning Objectives

• Explain how cellular structures support specific functions (information storage, energy conversion, and selective exchange).
• Connect organism-level body structures and tissues to their functional needs (protection, movement, support).
• Use models to justify how a feature’s physical properties enable biological tasks.

Learning Objectives

• Explain how allele combinations in parents determine genotype outcomes in offspring using probability.
• Predict expected phenotype frequencies across multiple generations, accounting for dominant and recessive alleles.
• Use evidence from family patterns and cross results to justify trait-frequency predictions.

Learning Objectives

• Understand the factors affecting chemical reaction rates and equilibrium.
• Identify how temperature, pressure, concentration, and catalysts influence reaction outcomes.
• Apply principles of kinetics and equilibrium to real-world chemical processes.+ Show more

Learning Objectives

• Understand the concept of reaction stoichiometry and how it relates quantities of reactants and products in chemical reactions.
• Apply molar mass conversions to relate moles, mass, and particle counts in balanced chemical equations.
• Analyze limiting reagents and calculate theoretical yields in chemical reactions.+ Show more

Learning Objectives

• Describe the processes involved in the water cycle, including evaporation, condensation, precipitation, infiltration, runoff, and groundwater flow.
• Explain the concept of residence time in different water reservoirs and how fluxes control water availability.
• Analyze how watershed characteristics, porosity, and permeability influence water movement and partitioning.+ Show more

Learning Objectives

• Understand the key tradeoffs involved in digital and analog communication systems.
• Analyze the impact of bandwidth constraints, signal-to-noise ratio, and sampling criteria on system performance.
• Evaluate the role of error-correcting techniques, modulation, and coding in maintaining signal fidelity under noise.+ Show more

Learning Objectives

• Describe how cells communicate using chemical and electrical signals.
• Identify key components of signal transduction pathways.
• Explain the different types of cellular signaling (autocrine, paracrine, endocrine, synaptic).+ Show more

Learning Objectives

• Understand the concept of work as a dot product of force and displacement and its dependence on the angle between them.
• Differentiate between constant-force and variable-force work calculations.
• Apply area-under-the-curve methods to approximate work done by variable forces in common scenarios.+ Show more

Learning Objectives

• Understand how conservation of mass applies to balanced chemical equations.
• Relate moles, mass, and particle counts through molar mass conversions.
• Perform limiting reagent analysis and calculate theoretical yields.+ Show more

Learning Objectives

• Understand the concept of reaction stoichiometry and its basis in conservation of mass.
• Learn to interpret and balance chemical equations correctly.
• Apply mole conversions between mass, moles, and particle counts.+ Show more

Learning Objectives

• Understand the relationship between particle arrangement and material properties in different lattice types.
• Identify characteristics of ionic, covalent network, and molecular solids based on their structure and observed physical properties.
• Analyze how melting point, electrical conductivity, hardness, and solubility reflect lattice organization and interparticle forces.+ Show more

Learning Objectives

• Understand the mechanisms involved in thermoregulation and homeostasis.
• Identify how the hypothalamus detects and orchestrates responses to temperature changes.
• Describe the roles of skin blood flow, sweat production, shivering, and metabolic adjustments in temperature regulation.+ Show more

Learning Objectives

• Explain the composition and function of various organ tissues.
• Describe how organs and organ systems work together to sustain life.
• Identify examples of organ systems and their key organs.+ Show more

Learning Objectives

• Describe key structural differences between prokaryotic and eukaryotic cells.
• Identify components found in eukaryotic cells but absent in prokaryotes.
• Explain how these differences influence cell function and organism complexity.+ 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

• Understand the concept of friction and its types
• Identify factors that affect friction and drag
• Apply knowledge of friction and drag to real-world scenarios+ Show more

Learning Objectives

• Compare sexual and asexual reproduction in terms of genetic variation
• Identify examples of reproductive strategies found in Alberta ecosystems
• Explain ecological trade-offs between population growth and genetic diversity

Learning Objectives

• Understand how phase changes involve energy transfer and particle motion.
• Identify different phase changes such as melting, vaporization, sublimation, and condensation.
• Explain how latent heat relates to energy transfer during phase transitions.+ Show more

Learning Objectives

• Understand the difference between elements, compounds, and mixtures
• Identify examples of pure substances and mixtures
• Use chemical symbols and formulas to represent elements and compounds+ Show more

Learning Objectives

• Identify different types of chemical reactions based on given examples.
• Recognize observable features of synthesis, decomposition, single and double displacement, and combustion reactions.
• Predict products of various reaction types based on reactant patterns.+ Show more

Learning Objectives

• Understand the process of dissolution and factors affecting solubility.
• Identify differences between saturated, unsaturated, and supersaturated solutions.
• Explain how temperature and agitation influence solubility.+ Show more

Learning Objectives

• Identify signs of chemical reactions such as temperature change, gas production, precipitate formation, and color change.
• Understand microscopic processes that occur during chemical changes.
• Differentiate between chemical and physical changes based on observable evidence.

Learning Objectives

• Understand the symbolic representation of chemical reactions
• Identify reactants and products in simple chemical equations
• Learn the importance of balancing equations to reflect conservation of atoms and mass+ Show more

Learning Objectives

• Explain the processes of mitosis and meiosis and their roles in growth, repair, and reproduction.
• Identify key features of chromosome pairing, segregation, and errors such as nondisjunction.
• Understand the differences between haploid and diploid cells and their significance in heredity.+ Show more

Learning Objectives

• Understand key concepts related to Science
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Understand how gene regulation and developmental processes contribute to phenotypic diversity.
• Analyze the role of regulatory networks, timing, and epigenetics in morphological and physiological differences.
• Use comparative developmental evidence to explain convergent evolution and developmental bias.+ Show more

Learning Objectives

• Understand how temperature, pressure, concentration, and catalysts influence chemical reactions.
• Apply principles of chemical equilibrium and kinetics to optimize reaction conditions.
• Evaluate safety, efficiency, and selectivity in designing chemical processes like Haber synthesis and esterification.+ Show more

Learning Objectives

• Understand how temperature, pressure, concentration, and catalysts influence chemical reactions.
• Apply principles of equilibrium and kinetics to predict reaction outcomes.
• Analyze how reaction conditions affect yield, selectivity, and side reactions.+ Show more

Learning Objectives

• Understand the fundamental concepts of computational modeling in engineering and system design.
• Learn to formulate and analyze mathematical and algebraic models for real systems.
• Apply parameter estimation and numerical techniques to evaluate system performance.+ Show more

Learning Objectives

• Understand the principle of conservation of energy in isolated systems.
• Explain how potential and kinetic energy interchange during motion.
• Describe the effects of nonconservative forces like friction on mechanical energy.+ Show more

Learning Objectives

• Understand the hierarchical levels used in biological classification systems.
• Distinguish between traditional and modern classification approaches based on evolutionary relationships.
• Identify key traits used to classify living organisms, including morphological, developmental, and genetic data.+ Show more

Learning Objectives

• Describe the main stages of stellar evolution from star formation to end states.
• Interpret Hertzsprung-Russell diagrams and spectral classifications of stars.
• Explain how supernova remnants contribute to element synthesis and enrichment of the interstellar medium.+ Show more

Learning Objectives

• Describe the characteristics of physical changes and distinguish them from chemical changes.
• Identify examples of physical changes such as melting, freezing, evaporation, condensation, and dissolution.
• Explain the role of energy transfer during phase changes.+ Show more

Learning Objectives

• Understand the importance of identifying and prioritizing functional requirements, social impacts, economic limits, and environmental constraints in engineering design.
• Analyze stakeholder criteria, material availability, regulatory restrictions, and safety margins within problem framing.
• Evaluate interactions among competing constraints both qualitatively and within basic quantitative bounds to select feasible solutions.

Learning Objectives

• Understand key concepts related to Science
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Explain how phase changes involve energy transfer and modifications in particle motion and potential energy.
• Describe the processes of melting, vaporization, sublimation, and condensation, including the conditions at which they occur.
• Interpret heating and cooling curves with respect to particle energy and phase transitions.+ Show more

Learning Objectives

• Understand different prototyping methods and their appropriate application contexts.
• Identify key materials and fidelity levels used in prototyping.
• Analyze iterative testing processes and how test data informs design refinement.+ Show more

Learning Objectives

• Understand the main stages of stellar evolution and their characteristics.
• Identify different end states of stars such as white dwarfs, neutron stars, and black holes.
• Describe how nucleosynthesis contributes to elemental formation in stars.+ Show more

Learning Objectives

• Explain how energy flows through an ecosystem from producers to primary, secondary, and higher-level consumers.
• Describe how trophic levels represent an organism’s position in energy transfer.
• Compare linear energy chains with interconnected food webs and explain why food webs matter.+ Show more

Learning Objectives

• Define elements as specific types of atoms characterized by proton count and symbols.
• Explain how atomic models help represent atomic identity.
• Identify representative elements and understand the roles of atomic mass and symbols in classification.+ Show more

Learning Objectives

• Understand the purpose of chemical equations and how they represent reactions
• Identify symbols and formulas used in chemical equations
• Learn why and how to balance chemical equations to reflect conservation of atoms+ Show more

Learning Objectives

• Explain how energy transforms between mechanical, thermal, sound, and electrical forms in real systems while tracking overall energy conservation.
• Describe how friction and air resistance increase thermal energy and reduce mechanical energy in moving objects.
• Use temperature-dependent material behavior to predict how heating or cooling can change motion or system performance.+ Show more

Learning Objectives

• Explain how limiting factors constrain population growth in an ecosystem.
• Differentiate between resource availability, predation, disease, and environmental conditions as limiting factors.
• Describe how changes in limiting factors can affect community interactions and biodiversity over time.

Learning Objectives

• Describe the structure of DNA and its role in heredity.
• Explain how chromosomes organize genetic material within cells.
• Differentiate between nuclear and organelle genomes and their significance.+ Show more