Grade 9 Worksheets

Learning Objectives

• Understand the principles of motion in a plane using vector decomposition.
• Apply parametric equations to describe projectile trajectories.
• Analyze how perpendicular components of displacement and acceleration relate to overall motion.+ Show more

Learning Objectives

• Explain how Earth’s rotation and Earth’s orbit create observable cycles such as day–night and seasonal or yearly patterns.
• Differentiate sidereal and solar periods and relate them to Earth’s changing position relative to the Sun and background stars.
• Describe how gravity between Earth, Moon, and Sun leads to tidal patterns and predictable periodicity.+ Show more

Learning Objectives

• Understand how device systems are composed of interacting parts that serve specific functions.
• Learn to define system boundaries and map inputs, outputs, energy transfers, and material flows.
• Analyze how system components influence overall device performance and reliability.+ Show more

Learning Objectives

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

Learning Objectives

• Identify common stressors and physiological effects of stress
• Understand basic techniques to manage stress
• Recognize the importance of promoting mental well-being

Learning Objectives

• Explain how the Gupta Empire contributed to a stable political order in northern India
• Analyze Gupta achievements in arts, sciences, and literature and their broader cultural impact
• Describe how trade routes helped spread ideas and religious practices linked to Hindu culture+ Show more

Learning Objectives

• Describe how regulatory mechanisms control gene expression through transcriptional and epigenetic modifications.
• Identify the roles of promoters, enhancers, silencers, transcription factors, and repressors.
• Explain how epigenetic modifications such as DNA methylation and histone acetylation influence chromatin accessibility.+ Show more

Learning Objectives

• Explain how adaptive radiation leads to rapid diversification from a single lineage into multiple species.
• Identify key mechanisms that contribute to speciation, including ecological niches, natural selection, and geographic isolation.
• Use models and cause-effect reasoning to predict patterns of biodiversity over time and space.

Learning Objectives

• Identify how May Day traditions in AAPI communities honor ancestors and mark seasonal change.
• Analyze how cultural practices (music, dance, crafts, and food) build social bonds and cultural pride.
• Use textual evidence to explain why traditions express identity and resilience.

Learning Objectives

• Explore how different cultures celebrate and regard Earth as sacred.
• Analyze traditional and indigenous conservation practices.
• Understand how cultural values influence environmental actions.+ Show more

Learning Objectives

• Explain how alveolar gas exchange occurs via diffusion.
• Identify factors influencing oxygen and carbon dioxide movement across the respiratory membrane.
• Describe the mechanics of ventilation and the role of surface area and membrane thickness.+ Show more

Learning Objectives

• Explain how connotation, intensity, and implication change a word’s meaning beyond its dictionary definition.
• Choose between near-synonyms by matching the tone and strength of meaning to a specific purpose.
• Identify how multiple meanings affect diction when speaking or writing about a topic.+ Show more

Learning Objectives

• Understand how design choices involve trade-offs among criteria such as cost, time, materials, safety, and reliability.
• Identify the role of constraints in limiting design options and criteria in evaluating success.
• Analyze how changing one criterion affects other aspects of a design, such as weight, safety, or cost.+ Show more

Learning Objectives

• Understand the principles of scaling laws and their applications in scientific models.
• Explain how dimensional similarity influences model construction and data interpretation.
• Apply proportional reasoning to analyze relationships across different spatial and temporal scales.+ Show more

Learning Objectives

• Understand the components and structure of ecosystems
• Identify the roles of different species within an ecosystem
• Explore how multiple factors influence ecosystem stability and change

Learning Objectives

• Analyze how an author’s structural choices (ordering, division into scenes/chapters, and recurring patterns) shape meaning.
• Explain how pacing changes when information is revealed early versus delayed for suspense.
• Use evidence from a text to describe connections between parts and the whole structure.

Learning Objectives

• Explain how computational simulations use hypothesized mechanisms to generate testable predictions.
• Describe how changing model parameters affects outcomes and how ensembles represent uncertainty.
• Compare simulation outputs with empirical data to refine models and evaluate robustness.

Learning Objectives

• Explain how passive transport (diffusion, facilitated diffusion, and osmosis) moves substances based on concentration and water potential gradients.
• Describe how active transport and vesicular transport help maintain homeostasis when substances must move against gradients.
• Connect membrane transport processes to cell function such as nutrient uptake, ion balance, and volume regulation.

Learning Objectives

• Understand how blood glucose levels are maintained within a healthy range.
• Identify the roles of insulin and glucagon in glucose regulation.
• Explain how endocrine feedback loops contribute to metabolic homeostasis.

Learning Objectives

• Identify the mitochondria and explain their role in energy production.
• Understand the internal structure of mitochondria, including cristae and matrix.
• Describe how mitochondria are involved in the cellular process of ATP synthesis.

Learning Objectives

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

Learning Objectives

• Explain how Indigenous and settler narratives can differ in describing contact, treaties, and colonization in Canada.
• Analyze how historical perspective influences what people believe about change and conflict.
• Use evidence from multiple types of sources to support a nuanced interpretation of colonial history.+ Show more

Learning Objectives

• Understand the construction and interpretation of phylogenetic trees.
• Explain the significance of shared derived characters in evolutionary relationships.
• Compare different methods of tree-building such as parsimony and molecular distance.+ Show more

Learning Objectives

• Interpret displacement–time and velocity–time graphs by connecting slope to physical meaning.
• Use the area under a velocity–time graph to determine displacement.
• Identify key features of motion graphs, including constant segments, sign changes, discontinuities, and curved (non-uniform) behavior.

Learning Objectives

• Interpret and analyze data displays to draw valid conclusions.
• Calculate measures of central tendency and variability for data sets.
• Evaluate the reliability of data and the validity of conclusions drawn from analysis.+ Show more

Learning Objectives

• Understand how to interpret data trends using scatter plots and fitted lines.
• Analyze measures of data spread and their relation to outliers or anomalies.
• Select appropriate visualizations to effectively communicate relationships in data.+ Show more

Learning Objectives

• Identify Newton’s Third Law action–reaction force pairs acting on different objects
• Explain that action–reaction forces have equal magnitude and opposite direction but do not cancel because they act on different objects
• Use system boundaries to distinguish internal forces from external forces in momentum analysis+ Show more

Learning Objectives

• Explain the role of sex chromosomes in determining gender.
• Understand how sex-linked inheritance affects trait expression.
• Differentiate between sex determination systems in mammals.+ Show more

Learning Objectives

• Understand the basic concepts of cell signaling and how cells communicate.
• Identify different types of signaling mechanisms such as autocrine, paracrine, endocrine, and synaptic signaling.
• Describe how receptor proteins interact with ligands to trigger intracellular signaling cascades.+ Show more

Learning Objectives

• Explain how bandwidth, signal-to-noise ratio (SNR), and modulation affect transmission quality in digital and analog systems
• Use sampling criteria and channel capacity ideas to predict limits on data rates
• Compare error-detection/correction techniques and how coding reduces bit error rate+ Show more

Learning Objectives

• Explain how a limiting reactant determines the maximum amount of product in a reaction.
• Calculate theoretical yield from balanced mole ratios and molar masses.
• Use percent yield to compare actual yield to theoretical yield.+ Show more

Learning Objectives

• Explain how loops support iteration by repeating instructions with a stopping condition
• Compare efficiency and readability between loop-based solutions and duplicate-code approaches
• Identify common loop use cases such as counting, pattern generation, and checking conditions

Learning Objectives

• Explain how feudalism shaped social hierarchy and political authority in Medieval Europe
• Analyze the role of Christianity in cultural and educational institutions during the Middle Ages
• Describe how political fragmentation and regional diversity influenced daily life and governance+ Show more

Learning Objectives

• Understand the basic concept of evolution
• Identify mechanisms that drive evolutionary change
• Differentiate between natural selection, genetic drift, mutation, and gene flow+ Show more

Learning Objectives

• Explain the law of conservation of mass and its significance in chemical reactions.
• Identify how balanced chemical equations reflect mass conservation.
• Understand the relationship between measurable mass changes and atomic rearrangements.+ Show more

Learning Objectives

• Explain how treaties and Indigenous legal traditions shape Indigenous authority over land and resources.
• Describe how First Nations, Métis, and Inuit law influence resource governance and community wellbeing.
• Analyze how co-management agreements and government policies can support reconciliation and ecological stewardship.+ Show more

Learning Objectives

• Describe how magnetic field lines show direction from a north pole to a south pole
• Explain how like poles and unlike poles affect magnetic attraction and repulsion
• Use basic field-mapping ideas to interpret magnets and compass behavior

Learning Objectives

• Understand how complex mechanical systems combine multiple bodies and forces.
• Apply Newton’s laws and net force analysis to predict motion.
• Analyze energy transfer and dissipation during system interactions.+ Show more

Learning Objectives

• Compare competing designs using quantitative and qualitative criteria
• Evaluate engineering trade-offs with a weighted decision matrix
• Explain how assumptions and uncertainty affect design choices+ Show more

Learning Objectives

• Reinforce understanding of key geometric concepts, properties, and measurement strategies.
• Apply geometric reasoning and calculations to solve real-world problems.
• Analyze shape properties, transformations, and similarity in practical contexts.+ Show more

Learning Objectives

• Explain how the choice of frame of reference affects observed velocity, speed, and displacement.
• Calculate and interpret relative velocities by combining vectors along a chosen direction.
• Describe real-world situations (transport, recreation, weather) where relative motion changes how events appear.

Learning Objectives

• Compare sketch, CAD mockup, additive manufacturing, and scaled physical model approaches by fidelity and purpose.
• Describe how testing protocols and performance metrics guide iterative prototype refinement.
• Explain why documenting limitations helps teams improve future design cycles.

Learning Objectives

• Understand the concepts of power and efficiency in mechanical systems
• Calculate power output in various engineering contexts
• Identify factors affecting the efficiency of machines+ Show more

Learning Objectives

• Identify different extraction methods such as open-pit and underground mining, forestry practices, and offshore drilling.
• Analyze the impacts of resource extraction on environment, economy, and regional development.
• Understand causes and consequences associated with extraction practices, including soil disturbance and biodiversity loss.+ Show more

Learning Objectives

• Explain how caliphates supported intellectual networks and the translation of knowledge across regions.
• Describe key advancements in science, mathematics, and philosophy associated with Islamic civilizations.
• Analyze how trade routes encouraged cultural exchange between Africa, Asia, and Europe.+ Show more

Learning Objectives

• Explain how promoters, enhancers, silencers, transcription factors, and repressor proteins regulate gene transcription
• Describe how epigenetic modifications (DNA methylation and histone acetylation) change chromatin accessibility and gene expression
• Analyze how regulatory networks and feedback loops integrate signals to fine-tune gene expression across cell types and environments

Learning Objectives

• Explain how feudalism created a hierarchy of lords, vassals, and serfs and shaped political power in Medieval Europe.
• Describe the role of Christianity in medieval cultural, educational, and social institutions.
• Analyze how political fragmentation, trade, warfare, and religious reform affected life across different regions.

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