Grade 9 Worksheets

Learning Objectives

• Interpret displacement–time and velocity–time graphs using slope to determine velocity and acceleration
• Use area under a velocity–time graph to determine displacement
• Identify key graph features such as constant segments, sign changes, discontinuities, and curved motion to describe real physical events

Learning Objectives

• Interpret historical maps related to urban expansion
• Identify key factors influencing city development
• Analyze demographic and land use changes over time+ Show more

Learning Objectives

• Explain how human activities and natural processes interact within human-environment systems.
• Use systems thinking to identify inputs, processes, outputs, and feedbacks in regional sustainability challenges.
• Evaluate how land use, resource management, and infrastructure affect environmental risk and adaptation.

Learning Objectives

• Define mechanical work as the scalar product of force and displacement.
• Calculate work done in simple scenarios involving constant forces.
• Differentiate between kinetic and potential energy.+ Show more

Learning Objectives

• Understand the key concepts of energy efficiency in electrical systems.
• Identify common loss mechanisms and their impact on system performance.
• Evaluate strategies for improving system efficiency and reducing environmental impact.+ Show more

Learning Objectives

• Analyze how word choice, connotation, and figurative language shape tone and emphasis in texts.
• Evaluate how structure and text features (headings, captions, sequencing, paragraph focus) guide reader conclusions.
• Interpret how sentence variety and introductions support comprehension of an argument.

Learning Objectives

• Identify and differentiate between ionic, covalent, and metallic bonding based on electron interactions.
• Explain how different types of bonding influence the properties of compounds.
• Analyze real-world examples of bonding types and their industrial applications.+ Show more

Learning Objectives

• Evaluate source credibility by analyzing author expertise, publication context, timeliness, and evidence support.
• Determine relevance by judging how directly a source addresses a specific question or theme.
• Use textual evidence to explain why information is reliable or misleading.

Learning Objectives

• Describe the components of an atom, including protons, neutrons, and electrons.
• Explain electron configurations and energy levels.
• Understand how the periodic table organizes elements based on valence electrons.+ Show more

Learning Objectives

• Describe the hydrologic (water) cycle as water moves among atmosphere, surface, and subsurface reservoirs.
• Explain how evaporation, condensation, precipitation, infiltration, runoff, and groundwater flow affect water availability and timing.
• Analyze how watershed characteristics and human activities can change flow partitioning, fluxes, and residence time.

Learning Objectives

• Define bias, fairness, and representation in AI systems
• Explain how training data can create unequal AI outcomes
• Identify representation problems in training datasets+ Show more

Learning Objectives

• Explain how element symbols represent elements and how subscripts in chemical formulas show relative numbers of atoms.
• Interpret chemical formulas to determine the kinds of atoms present and the proportions of each atom.
• Use correct scientific notation to communicate material identity and composition.

Learning Objectives

• Understand the basic concepts of solar and lunar eclipses.
• Identify the differences between solar and lunar eclipses.
• Learn how the positioning of the Sun, Moon, and Earth causes eclipses.+ Show more

Learning Objectives

• Explain how economic activities influenced where colonial communities formed in Canada
• Describe how transportation routes affected the spatial distribution of settlements
• Analyze how government policies shaped territorial control and impacted Indigenous populations+ Show more

Learning Objectives

• Make inferences by using clues from a text, including details that are implied rather than directly stated.
• Support an inference with evidence through accurate quoting or precise paraphrase.
• Identify cause-and-effect and motivation to explain why a character or author made a choice.+ Show more

Learning Objectives

• Explain the role of genes as DNA segments that encode proteins and influence traits.
• Describe the processes of transcription and translation in gene expression.
• Understand the impact of gene regulation, such as promoter function and regulatory changes, on phenotype.+ Show more

Learning Objectives

• Define authentication, verification, and factor in computer security
• Compare single-factor login with multi-factor authentication
• Identify different factors used in MFA systems+ 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

• Explain how constraints limit design options in engineering problems
• Identify criteria for success and describe how criteria weighting affects a final design choice
• Compare designs by describing trade-offs among cost, time, materials, safety, and reliability

Learning Objectives

• Define protocols, packets, transfer, and communication accurately
• Explain why Internet data is divided into packets
• Describe how network devices route packets toward destinations+ Show more

Learning Objectives

• Understand the principles of VSEPR theory and how electron pairs influence molecular shape.
• Identify common molecular geometries such as linear, trigonal planar, tetrahedral, and bent.
• Explain how molecular shape affects polarity, intermolecular forces, and reactivity.+ Show more

Learning Objectives

• Explain power as the rate of energy transfer and distinguish average power from instantaneous power.
• Use correct SI units for power and energy transfer, and relate them to real physical situations.
• Calculate and interpret mechanical efficiency by comparing useful output energy (or work) to input energy (or work).+ Show more

Learning Objectives

• Classify forces as contact or non-contact using everyday examples.
• Describe forces by magnitude, direction, and point of application.
• Identify action–reaction pairs acting on different interacting objects.+ Show more

Learning Objectives

• Define copyright, fair use, attribution, and intellectual property
• Identify factors used when considering fair use
• Explain how transformative use changes the purpose of content+ Show more

Learning Objectives

• Explain phase changes using energy transfer, including how melting, vaporization, sublimation, and condensation relate to latent heat.
• Use qualitative heating/cooling curves to interpret temperature plateaus and characteristic transition temperatures.
• Describe how particle motion and potential energy change during phase transitions without changing chemical identity.

Learning Objectives

• Explain how privacy settings control content visibility and contact
• Describe how app permissions affect access to personal data
• Distinguish consent from assumptions about app access+ Show more

Learning Objectives

• Explain how plate motions at divergent, convergent, and transform boundaries produce distinct surface features and hazards
• Describe how subduction and continental collision contribute to volcanism and mountain building
• Use earthquake and volcanic arc patterns to support the idea that lithospheric plates interact+ Show more

Learning Objectives

• Understand the concept of ionic bonding and electron transfer
• Identify properties of ionic compounds
• Differentiate between ionic and covalent bonds+ Show more

Learning Objectives

• Explain how precise keywords improve search-result relevance
• Use quotation marks to locate exact phrases
• Identify operators that narrow or exclude search results+ Show more

Learning Objectives

• Differentiate homogeneous and heterogeneous mixtures using particle-level descriptions
• Identify physical properties used by common mixture separation methods
• Match filtration, distillation, magnetic separation, and decanting to properties+ Show more

Learning Objectives

• Explain how environmental exposures can contribute to chronic disease
• Describe how dose–response relationships affect health risk
• Identify vulnerability factors that change health outcomes+ Show more

Learning Objectives

• Define responsible AI use, accuracy, judgment, and privacy
• Explain why human judgment is necessary when using AI
• Verify AI-generated claims using trusted information sources+ Show more

Learning Objectives

• Simplify mixed (series-parallel) circuit networks by identifying equivalent resistances
• Apply Ohm’s law and series/parallel rules to determine current and voltage trends in combined circuits
• Trace current paths through branches to analyze how loads behave in real systems

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

• 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

• 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

• 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 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