Grade 9 Worksheets

Learning Objectives

• Identify the main sources of genetic variation such as mutation, recombination during meiosis, gene flow, and chromosomal rearrangements.
• Explain how mutation rates and types influence genetic diversity.
• Analyze examples of genetic variation in natural and managed populations.+ Show more

Learning Objectives

• Describe the structure of DNA and its double-helix organization
• Explain the concept of chromosomes and their role in heredity
• Differentiate between nuclear and organelle genomes+ Show more

Learning Objectives

• Understand how basic Mendelian inheritance patterns predict trait ratios in offspring.
• Distinguish between dominant and recessive alleles and their effects on phenotype.
• Use Punnett squares to predict probabilities of inherited traits.+ Show more

Learning Objectives

• Explain the concept of work as energy transfer involving force and displacement.
• Identify the factors that influence the amount of work done on an object.
• Differentiate between positive and negative work in various scenarios.+ 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

• Explain the causes of different lunar phases based on the positions of the Sun, Earth, and Moon.
• Identify and sequence the lunar phases in their proper order.
• Describe how lunar phases influence ocean tides and nocturnal illumination.+ Show more

Learning Objectives

• Understand how Earth's atmosphere, hydrosphere, cryosphere, lithosphere, and biosphere interact to influence climate.
• Identify the main drivers of climate variability and change, including solar energy and internal heat.
• Explain the role of energy balance, greenhouse gases, aerosols, ocean circulation, and land surface properties in shaping regional climates.+ Show more

Learning Objectives

• Identify the major components of a cell and their functions.
• Explain how cell membrane structure influences transport and communication.
• Describe the roles of organelles in cellular metabolism and support.+ Show more

Learning Objectives

• Understand the structure and function of ATP as the cell's energy currency.
• Describe the process of ATP hydrolysis and its role in releasing energy.
• Explain how ATP is regenerated through phosphorylation in biochemical pathways.+ Show more

Learning Objectives

• Understand how the cardiovascular and respiratory systems work together to deliver oxygen and remove carbon dioxide.
• Identify the roles of chemoreceptors in regulating breathing and circulation.
• Describe the physiological responses to changes in blood gas levels.+ Show more

Learning Objectives

• Describe the process of ATP production during cellular respiration and photosynthesis.
• Explain how catabolic and anabolic reactions are coupled in energy transfer.
• Compare the roles of electron transport chains in photosynthesis and cellular respiration.+ Show more

Learning Objectives

• Describe the process of chemical reactions and how atoms rearrange to form new products.
• Identify common types of chemical reactions such as combustion, synthesis, and decomposition.
• Write and interpret symbolic chemical equations for various reactions.+ Show more

Learning Objectives

• Identify observable markers of chemical change such as color shifts, gas evolution, precipitate formation, temperature change, and irreversibility.
• Distinguish between physical and chemical changes based on evidences observed.
• Provide real-world examples of chemical changes from environmental and industrial contexts.+ Show more

Learning Objectives

• Identify and describe the six types of simple machines: lever, wheel and axle, pulley, inclined plane, screw, and wedge.
• Explain how simple machines transfer force and change the direction of effort to make work easier.
• Differentiate between ideal and actual mechanical advantage in simple machines.+ Show more

Learning Objectives

• Identify and distinguish between ionic, covalent, and metallic bonding in atoms and molecules.
• Describe the properties and applications of different bonding types in industries and the environment.
• Understand how electron interactions influence compound formation and macroscopic characteristics.+ Show more

Learning Objectives

• Compare and contrast sexual and asexual reproduction strategies.
• Identify examples of reproductive strategies in Alberta species.
• Understand ecological trade-offs between genetic diversity and population growth.+ Show more

Learning Objectives

• Understand the principle of mass conservation in chemical reactions.
• Identify real-world applications involving mass measurements in closed systems.
• Explain how atoms are conserved during chemical processes.+ Show more

Learning Objectives

• Understand how the slope of displacement–time, velocity–time graphs relates to motion parameters.
• Interpret area under velocity–time graphs as displacement.
• Recognize curved graphs indicating non-uniform acceleration.+ Show more

Learning Objectives

• Understand how to interpret coefficients in balanced chemical equations to determine reaction proportions.
• Apply mass conservation principles to real-world chemical scenarios involving reactants and products.
• Calculate predicted masses of products formed or reactants consumed based on given quantities and coefficients.+ Show more

Learning Objectives

• Understand how to represent forces using vectors, including magnitude and direction.
• Learn to resolve forces into components and compute the resultant vector.
• Apply graphical and analytical methods to analyze forces in two-dimensional contexts.+ Show more

Learning Objectives

• Describe the basic components and organization of the phospholipid bilayer.
• Explain the roles of integral and peripheral proteins in membrane function.
• Understand how cholesterol and carbohydrate chains influence membrane fluidity and recognition.+ Show more

Learning Objectives

• Understand the role of mathematical and computational methods in system modeling.
• Learn how to formulate models, estimate parameters, and perform numerical tuning.
• Apply sensitivity analysis to evaluate design variables in engineering systems.+ Show more

Learning Objectives

• Compare the structural features of bacterial, archaeal, and eukaryotic cells.
• Identify key differences in size, compartmentalization, and genetic material among these cell types.
• Explain how cell organization affects metabolic processes and complexity.

Learning Objectives

• Explain how organelle systems coordinate functions within a cell.
• Identify key organelles involved in energy transduction, lipid synthesis, and detoxification.
• Describe the role of transport vesicles and cytoskeletal elements in organelle function.+ Show more

Learning Objectives

• Describe the steps of the Calvin cycle and their purpose in photosynthesis.
• Identify the main enzymes and molecules involved in the cycle.
• Explain how energy from ATP and NADPH is used in carbon fixation and sugar synthesis.+ 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 device ratings and environmental factors influence electrical system design.
• Identify safety measures and protective devices used in electrical applications.
• Apply criteria for evaluating energy efficiency and environmental impact of electrical systems.+ Show more

Learning Objectives

• Understand the principles of optical and electron microscopy.
• Identify the differences between magnification, resolution, and contrast.
• Learn how to interpret microscope images with scale bars and artifacts.+ Show more

Learning Objectives

• Understand the principles of allele frequency and genetic variation in populations.
• Explain the assumptions of Hardy-Weinberg equilibrium and factors disrupting it.
• Describe the effects of genetic drift, bottlenecks, and founder effects on genetic diversity.+ Show more

Learning Objectives

• Understand the principles of mechanical energy conservation involving kinetic and potential energy.
• Identify examples of energy transfer and transformation in real-world scenarios.
• Analyze how energy transfer and dissipation by friction influence motion and speeds.+ Show more

Learning Objectives

• Define observable properties of matter.
• Identify and classify substances based on their observable characteristics.
• Describe regional examples of observable properties in materials.+ Show more

Learning Objectives

• Understand how inclined planes decompose gravitational force into components
• Calculate the mechanical advantage of inclined planes
• Analyze how friction and slope angle affect motion and energy transfer+ Show more

Learning Objectives

• Understand the concept of friction as a force opposing motion between surfaces.
• Identify the differences between static and kinetic friction.
• Explain how surface properties and normal force affect frictional magnitude.+ Show more

Learning Objectives

• Describe the three main types of plate boundaries: divergent, convergent, and transform.
• Explain the geological processes associated with each boundary type.
• Identify landforms and landmass features resulting from different boundary interactions.+ Show more

Learning Objectives

• Explain the interactions among the geosphere, hydrosphere, atmosphere, and biosphere using models and diagrams.
• Identify material and energy exchanges such as nutrient transport, gas fluxes, and ocean upwelling.
• Analyze how surface processes affect transient environmental signals through spatial and causal frameworks.+ Show more

Learning Objectives

• Explain the concept of crystal lattices and their atomic arrangements.
• Identify different types of lattice structures such as ionic, metallic, and covalent networks.
• Describe how lattice types influence material properties like hardness, conductivity, and melting points.+ Show more

Learning Objectives

• Describe the chemical structures of DNA and RNA and how they differ.
• Explain the importance of nucleotide subunits in genetic information.
• Identify the structural features that enable specific base pairing in DNA.+ Show more

Learning Objectives

• Explain how genes are regulated through promoter, enhancer, silencers, and transcription factors.
• Describe epigenetic modifications such as DNA methylation and histone acetylation and their effects on gene expression.
• Analyze how regulatory networks and feedback loops respond to developmental and environmental signals.+ Show more

Learning Objectives

• Understand Newton's laws and their relationship to forces and motion.
• Apply Newtonian reasoning to real-world regional contexts such as erosion control and playgrounds.
• Interpret cause-and-effect relationships in dynamics and motion scenarios.+ Show more

Learning Objectives

• Describe the main stages of stellar evolution, including formation, main sequence, giant phases, and end states such as white dwarfs, neutron stars, and black holes.
• Understand how Hertzsprung-Russell diagrams and spectral classification illustrate stellar properties and evolutionary pathways.
• Explain the processes of nucleosynthesis within stars and how supernovae contribute to elemental enrichment of the interstellar medium.+ Show more

Learning Objectives

• Understand the relationship between mass and acceleration under a given net force.
• Distinguish between inertial mass and gravitational effects in responses to forces.
• Analyze how changes in mass affect acceleration in practical scenarios.+ Show more

Learning Objectives

• Understand the principle of conservation of mass in closed systems during chemical reactions.
• Explain how total mass of reactants equals total mass of products in chemical processes.
• Differentiate between apparent mass changes caused by gas exchange and true mass conservation.+ Show more

Learning Objectives

• Understand the factors influencing data transmission quality, including bandwidth, signal-to-noise ratio, and error correction.
• Evaluate how different transmission modes and technologies balance tradeoffs for reliable communication.
• Analyze case studies of bandwidth limitations and capacity constraints in various communication systems.+ Show more

Learning Objectives

• Understand the concepts of kinetic and potential energy and their mathematical relationships.
• Analyze work, power, and energy transfer in mechanical systems.
• Explore real-world phenomena such as pendulum motion, colliding carts, and roller-coaster height-to-speed dynamics.+ Show more

Learning Objectives

• Understand different types of energy conversion devices and processes.
• Identify key examples of energy conversion such as photovoltaic cells, thermoelectric modules, and electrochemical cells.
• Analyze energy efficiency and account for losses during conversion.+ Show more

Learning Objectives

• Understand the conventions for conveying quantitative uncertainty and confidence in scientific reports.
• Identify different methods for representing variability, effect sizes, and likelihoods.
• Evaluate how assumptions and limitations affect interpretations of models and data.+ Show more

Learning Objectives

• Define physical properties as observable or measurable characteristics that do not change chemical identity.
• Identify examples of physical properties such as density, melting point, boiling point, colour, hardness, and conductivity.
• Explain how physical properties are used to classify and separate materials.+ Show more

Learning Objectives

• Identify different lines of empirical evidence supporting evolution, including fossil, anatomical, and molecular data.
• Explain how comparative anatomy and genetic sequences provide evidence for common ancestry.
• Describe the significance of transitional fossils and biogeographic distributions in understanding evolution.+ Show more