Grade 9 Worksheets

Learning Objectives

• Define ethics, transparency, accountability, and responsibility in AI
• Explain how AI data use can affect privacy
• Identify ethical risks in AI decision-making scenarios+ Show more

Learning Objectives

• Explain how temperature, humidity (dew point), wind, and air pressure relate to observable weather patterns.
• Use weather data trends and short-term variability to distinguish typical weather from changing climate signals.
• Interpret relationships in datasets using reasoning about air mass movement and energy exchange near Earth’s surface.

Learning Objectives

• Use the Remainder Theorem to find the remainder when a polynomial is divided by a linear factor
• Convert remainder information into an equation involving p(a) and solve for unknown coefficients
• Check understanding by distinguishing correct and incorrect statements about remainders

Learning Objectives

• Identify whether a text is primarily literary or informational based on its purpose and features.
• Analyze how structure (organization, plot, and paragraphing) shapes meaning in literary and informational texts.
• Determine how authors use evidence such as events, details, definitions, and examples to guide the reader.+ Show more

Learning Objectives

• Identify Earth’s main layers and their changing physical conditions
• Compare lithosphere and asthenosphere using mechanical behavior
• Explain how seismic waves reveal Earth’s internal structure+ Show more

Learning Objectives

• Understand the principles of mechanical energy conservation in ideal systems.
• Explain how kinetic and potential energies interconvert in systems with negligible non-conservative forces.
• Identify the effects of non-conservative forces like friction on energy dissipation.+ Show more

Learning Objectives

• Define reliable, observe, record, and variable in data collection
• Identify appropriate variables in surveys and experiments
• Explain why consistent procedures improve data reliability+ Show more

Learning Objectives

• Define trend and correlation using accurate data vocabulary
• Identify trends that show change over time
• Interpret positive and negative correlation in scatter plots+ Show more

Learning Objectives

• Differentiate syntax errors from logic errors in programs
• Identify where program execution begins to produce incorrect results
• Trace variable changes through a sequence of program steps+ Show more

Learning Objectives

• Identify major sources of genetic variation, including mutation, recombination, gene flow, and chromosomal rearrangements.
• Explain how these processes change allele combinations and allele frequencies within and between populations.
• Evaluate how human actions (e.g., introductions, managed breeding, hybridization) can affect genetic diversity and evolutionary outcomes.

Learning Objectives

• Understand the role of systems and decision models in environmental science.
• Explore how scenario analysis, cost-benefit, and lifecycle assessments inform mitigation strategies.
• Analyze trade-offs among greenhouse gas reduction, health, and economic development.+ Show more

Learning Objectives

• Define variable, value, data type, and assignment
• Identify suitable data types for common programming situations
• Explain how data types affect valid program operations+ Show more

Learning Objectives

• Identify observable evidence that indicates a chemical change
• Distinguish chemical changes from physical changes
• Explain how reactants become products through bond rearrangement+ Show more

Learning Objectives

• Understand how to represent forces as vectors including magnitude and direction
• Learn to resolve forces into components using graphical and analytical methods
• Calculate the resultant of combined forces and analyze their effects+ Show more

Learning Objectives

• Describe the processes involved in the rock cycle, including melting, crystallization, weathering, erosion, deposition, and metamorphism.
• Explain how plate tectonics influence the formation and transformation of rocks.
• Identify observable evidence in the field, such as foliated textures and layering, that supports the rock cycle.+ Show more

Learning Objectives

• Interpret chemical formulas to identify fixed elemental ratios
• Explain the law of definite composition using chemical formulas
• Compare ionic and covalent bonding using electron behavior+ Show more

Learning Objectives

• Define efficiency, optimization, resource, and performance in algorithms
• Compare algorithms using steps and memory requirements
• Explain how optimization preserves the intended algorithm output+ Show more

Learning Objectives

• Explain how health-enhancing behaviors (nutrition, physical activity, and avoiding harmful substances) affect physical and mental health.
• Analyze how personal choices influence short-term wellness and long-term disease risk.
• Identify strategies for building consistent, health-promoting habits in different contexts.

Learning Objectives

• Explain how proton number determines an element's identity
• Identify elements using chemical symbols and atomic models
• Distinguish metallic and nonmetallic elements using physical traits+ 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

• Explain how end punctuation, commas, and other marks clarify meaning and tone
• Identify punctuation fixes for run-ons and sentence fragments
• Use commas to signal boundaries between clauses and to prevent ambiguity+ Show more

Learning Objectives

• Identify viruses, spyware, and ransomware by their main behaviors
• Explain how security updates reduce malware risk
• Recognize risky links, files, downloads, and attachments+ Show more

Learning Objectives

• Define user interface, layout, button, and navigation
• Identify common interface components and their functions
• Explain how layout affects clarity and ease of use+ Show more

Learning Objectives

• Identify physical barriers that protect the body from pathogens
• Explain how macrophages and inflammation support innate immunity
• Describe how antigen recognition activates adaptive immune responses+ Show more

Learning Objectives

• Understand the mechanisms that cause allele frequencies to change in populations, including selection, drift, migration, and mutation.
• Explain the Hardy-Weinberg equilibrium as a null model for population genetics.
• Describe how fitness landscapes and selection coefficients influence evolution.+ Show more

Learning Objectives

• Explain the law of conservation of mass and its significance in chemistry.
• Identify how balanced chemical equations reflect mass conservation.
• Relate measurable mass changes to molecular rearrangements during reactions.+ Show more

Learning Objectives

• Explain how European colonial expansion changed Indigenous land tenure through land acquisition and legal systems.
• Analyze how settlement patterns and control strategies affected Indigenous sovereignty and community life.
• Evaluate the social and cultural consequences of colonial borders expanding over time.

Learning Objectives

• Explain how biodiversity contributes to ecological stability and human well-being
• Identify ways conservation efforts help protect endangered species and habitats
• Describe how cultural attitudes toward nature can influence support for biodiversity

Learning Objectives

• Define digital identity using examples of online information
• Explain how audiences can shape online reputation
• Interpret how context changes the meaning of online content+ Show more

Learning Objectives

• Develop logical reasoning skills to interpret geometric proofs and relationships.
• Apply formal proof techniques to establish congruence, similarity, and other properties.
• Use problem-solving strategies to interpret geometric diagrams and solve related problems.+ Show more

Learning Objectives

• Choose vocabulary that is precise enough to reduce vagueness in meaning
• Identify how word choice affects tone (formal vs. informal, positive vs. negative, direct vs. measured)
• Revise sentences by replacing general words with specific, accurate diction

Learning Objectives

• Explain how balancing a chemical equation enforces conservation of atoms.
• Use coefficients to determine reactant and product atom counts on both sides of an equation.
• Connect balanced equations to measurable mass relationships in real-world reactions.

Learning Objectives

• Describe physical changes without altering chemical identity
• Classify common phase changes as reversible or irreversible
• Explain energy transfer during melting, freezing, and condensation+ Show more

Learning Objectives

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

Learning Objectives

• Identify different types of epithelial tissue and understand their functions.
• Describe the structure and support roles of connective tissues.
• Explain how muscle tissues generate force and movement.+ Show more

Learning Objectives

• Explain why figurative language requires interpretation beyond literal word definitions.
• Identify common figurative devices (idioms, metaphors, similes, irony, exaggeration, personification) and describe their effects.
• Use context and author’s intent to determine the meaning of a figurative phrase in a passage.

Learning Objectives

• Explain how climate variability differs from long-term climate trends
• Describe how ocean-atmosphere interactions (El Niño and La Niña) redistribute heat and moisture
• Use evidence from multiple timescales and regions to distinguish natural variability from sustained climate change+ Show more

Learning Objectives

• Distinguish static friction from kinetic friction during motion
• Apply the friction approximation F = μN to resistive forces
• Describe how speed, area, and density affect fluid drag+ Show more

Learning Objectives

• Explain the mechanisms of seafloor spreading, subduction zones, and volcanic arc systems.
• Model Earth's internal processes, including mantle convection and crustal deformation.
• Analyze geologic cross-sections and seafloor magnetic anomaly patterns as evidence for plate tectonics.+ Show more

Learning Objectives

• Explain why chemical equations must be balanced to reflect conservation of atoms and mass
• Interpret reactants, products, and coefficients in a chemical equation
• Balance simple equations using particle counts represented by coefficients+ Show more

Learning Objectives

• Explain how devices communicate through network connections
• Identify the role of routers in directing network traffic
• Distinguish wired and wireless network connections+ Show more

Learning Objectives

• Understand the structure and components of DNA
• Explain how DNA transcribes into RNA
• Describe how proteins are assembled from amino acids+ Show more

Learning Objectives

• Use VSEPR electron-pair repulsion to predict the 3D shape of common molecules.
• Connect molecular geometry to polarity and intermolecular forces.
• Relate molecular shape to macroscopic properties such as boiling point and solubility.

Learning Objectives

• Use residual plots and graphical overlays to evaluate how well a model matches empirical data
• Interpret patterns in residuals to diagnose systematic errors, heteroscedasticity, and missing variables
• Select appropriate goodness-of-fit ideas and justify whether to accept, modify, or reject a model

Learning Objectives

• Define and identify sources of genetic variation including mutation, recombination, gene flow, and chromosomal rearrangements.
• Explain how different sources of variation contribute to genetic diversity and evolution.
• Analyze examples of genetic variation mechanisms in real-world or regional contexts.+ Show more

Learning Objectives

• Explain how Earth’s rotation produces daily apparent sky motion
• Explain how Earth’s revolution produces yearly sky changes
• Interpret altitude and azimuth for rising celestial objects+ Show more

Learning Objectives

• Identify the major carbon reservoirs in the Earth's system
• Understand the fluxes that transfer carbon among different reservoirs
• Describe the importance of each reservoir in the global carbon cycle+ Show more

Learning Objectives

• Explain how variation, inheritance, and differential survival/reproduction lead to natural selection.
• Use the idea of fitness to predict how trait frequencies may change over generations.
• Distinguish natural selection from individual “life changes” and connect it to adaptation.