Grade 9 Worksheets

Learning Objectives

• Understand the concepts of heat transfer and work in physical and chemical changes.
• Identify pathways of energy transfer during different processes.
• Explain how energy flows between a system and its surroundings through heat and work.+ Show more

Learning Objectives

• Explain how chemical reactions involve changes in potential energy and kinetic energy when bonds break and form
• Distinguish endothermic and exothermic processes using enthalpy change (ΔH) and energy diagrams
• Use bond strength ideas and example reactions (such as methane combustion) to justify whether energy is released or absorbed+ Show more

Learning Objectives

• Explain how carbon moves among the atmosphere, biosphere, oceans, and geosphere using major fluxes.
• Describe how processes such as photosynthesis, respiration, dissolution, sedimentation, and fossil fuel formation connect different carbon reservoirs.
• Use residence time and flux ideas to interpret how anthropogenic CO2 emissions perturb the natural carbon budget.

Learning Objectives

• Define chemical properties as tendencies of matter to undergo specific chemical changes.
• Identify evidence of chemical change using observations such as gas production, precipitate formation, and permanent color change.
• Explain how examples like iron rusting and methane combustion show formation of new substances and energy exchange.

Learning Objectives

• Identify major eukaryotic organelles and describe their functions.
• Connect organelle structure and composition to their cellular roles.
• Understand how organelles collaborate within different tissue types.

Learning Objectives

• Explain how roads, railways, and waterways form transportation networks that connect regions
• Analyze how geography affects where transportation infrastructure is built and how it grows
• Evaluate how transportation networks influence regional economies and accessibility+ Show more

Learning Objectives

• Explain how tobacco products affect public health and individual well-being.
• Analyze how peer pressure and social expectations can influence decisions about smoking or vaping.
• Identify practical strategies to resist tobacco use and support healthy choices.

Learning Objectives

• Explain how range, interquartile range (IQR), variance, and coefficient of variation (CV) measure variability and what each metric reveals.
• Use variability metrics to compare datasets, interpret overlapping distributions, and evaluate confidence in estimates.
• Connect quantified variability to sampling design, heterogeneity across groups, and expectations from theoretical models.

Learning Objectives

• Use symptom descriptions, circuit topology, and measurements to infer likely electrical fault types (open, short, degraded components).
• Explain how voltage and current readings relate to fault conditions and circuit paths.
• Select and justify the most probable failure mode based on diagnostic evidence.

Learning Objectives

• Revise sentences to reduce confusion by making relationships between ideas explicit
• Check pronoun references so they point to the correct nouns
• Strengthen paragraph clarity by aligning topic statements with supporting details+ Show more

Learning Objectives

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

Learning Objectives

• Explain how natural selection acts on heritable traits over generations.
• Describe the role of selective pressure and fitness in changing populations.
• Identify an adaptive trade-off and give an example of camouflage or resilience.

Learning Objectives

• Describe how spreadsheets organize information using rows, columns, and cells.
• Use filters to find and sort relevant data in a spreadsheet.
• Create and interpret a simple spreadsheet layout for class or survey data.

Learning Objectives

• Understand how potential and kinetic energy change during chemical reactions.
• Differentiate between endothermic and exothermic processes.
• Interpret energy diagrams and relate them to molecular interactions.+ Show more

Learning Objectives

• Understand the concepts of slope and y-intercept in linear equations.
• Calculate the slope and y-intercept given a graph or equation.
• Apply the slope-intercept form to model real-world situations.+ Show more

Learning Objectives

• Assess how device ratings and load demands affect safe and effective electrical system choices.
• Identify appropriate protective measures (fuses, circuit breakers, grounding, and GFCI) for common electrical applications.
• Evaluate energy efficiency and environmental impact when selecting an electrical application for a given setting.

Learning Objectives

• Identify different perspectives in informational and narrative texts (narrator stance, speaker voice, and source perspective).
• Recognize signals of perspective such as modal verbs, loaded language, selective details, and framing devices.
• Explain how perspective can shape meaning, emphasis, and credibility, including when viewpoints conflict.

Learning Objectives

• Identify the key parts of an oral message: introduction, body, and conclusion
• Use signposting language to show how ideas connect in a speech
• Explain how structure improves audience comprehension+ Show more

Learning Objectives

• Identify main claims in spoken discussions.
• Track supporting details presented during conversations.
• Practice attentive listening and note-taking skills.+ Show more

Learning Objectives

• Understand the basic properties of solids
• Describe how solids maintain shape and volume
• Identify examples of solids in the environment

Learning Objectives

• Explain how organelles coordinate transport of genetic information and proteins within a cell.
• Describe how mitochondria, lysosomes, and peroxisomes work together to support energy use and homeostasis.
• Use cause-and-effect reasoning to predict outcomes when specific organelle functions are disrupted.

Learning Objectives

• Identify citations and references within texts
• Understand the importance of proper source acknowledgment
• Differentiate between original writing and sourced material+ Show more

Learning Objectives

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

Learning Objectives

• Define physical properties as observable or measurable characteristics that do not change a substance’s chemical identity.
• Identify and use examples of physical properties such as density, melting point, boiling point, colour, hardness, and conductivity.
• Distinguish intensive properties from extensive properties and explain why that distinction matters for comparing materials.

Learning Objectives

• Develop skills to estimate solutions and assess their plausibility in real-world contexts.
• Apply estimation techniques to verify the reasonableness of calculations and data.
• Use logical reasoning to interpret data patterns and make informed decisions.+ Show more

Learning Objectives

• Identify credible sources using authorship and evidence checks
• Explain how bias and purpose can influence online information
• Evaluate how dates affect the credibility of digital sources+ Show more

Learning Objectives

• Define iteration, version, revise, and improve in digital projects
• Explain how repeated testing strengthens a digital design
• Identify useful feedback for revising a product+ Show more

Learning Objectives

• Describe dissolution using solute–solvent interactions and solvation in qualitative terms.
• Differentiate saturated, unsaturated, and supersaturated solutions using examples and qualitative concentration descriptors.
• Explain how temperature and agitation affect solubility and how concentration changes relate to separation by evaporation or crystallization.

Learning Objectives

• Explain how evidence-based responses extend or challenge an earlier claim using reasons, details, and examples.
• Use signal phrases to show how a response builds on, reframes, or disagrees with a prior idea.
• Practice acknowledging the source of a claim before adding new evidence in discussion settings.

Learning Objectives

• Identify and describe the four main categories of chemical reactions.
• Recognize characteristic reactant patterns and products for each reaction type.
• Classify chemical reactions based on their reorganization of atoms and bonds.+ Show more

Learning Objectives

• Identify appropriate graphs for different types of data
• Compare bar, line, scatter, and circle graphs
• Explain how graph choice affects data communication+ Show more

Learning Objectives

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

Learning Objectives

• Explain how cloud computing differs from local storage
• Identify the roles of servers and online storage
• Describe how synchronization updates files across multiple devices+ Show more

Learning Objectives

• Understand how mass measurements reflect conservation of matter during physical and chemical changes.
• Identify factors influencing measured mass such as gases escaping and external forces.
• Explain the importance of system boundaries in mass measurement experiments.+ Show more

Learning Objectives

• Understand the purpose of balancing chemical equations in illustrating atomic conservation.
• Identify and write correctly balanced chemical equations using coefficients.
• Learn to interpret the symbols and state indicators in chemical equations.+ Show more

Learning Objectives

• Understand the operational significance of exponents in mathematical expressions.
• Calculate values involving powers and roots in real-world scenarios.
• Analyze the impact of exponential growth and decay in practical contexts.+ Show more

Learning Objectives

• Define latency and bandwidth using accurate networking vocabulary
• Explain how latency affects initial network response time
• Explain how bandwidth affects data transfer speed+ Show more

Learning Objectives

• Compare ionic lattices, covalent networks, and molecular solids using particle arrangement and electrical interactions.
• Predict how melting point, electrical conductivity, hardness, and solubility relate to interparticle forces.
• Use evidence from material properties to identify the likely structure of an unknown solid.

Learning Objectives

• Compare the purposes of mitosis and meiosis in cell division.
• Explain how chromosome pairing and segregation produce haploid gametes.
• Identify how nondisjunction can change chromosome number and lead to genetic variation or disorders.+ Show more

Learning Objectives

• Explain how test cases validate an algorithm's behavior
• Identify edge cases and unexpected inputs during testing
• Trace algorithm logic to locate errors+ Show more

Learning Objectives

• Explain the difference between constraints and criteria in engineering design.
• Identify common trade-offs among cost, time, materials, safety, and reliability.
• Use criteria weighting to justify a design choice under given constraints.

Learning Objectives

• Explain how solar energy and internal heat drive Earth-system change
• Describe conduction, convection, and radiation as thermal energy transfer methods
• Connect energy gradients to atmospheric and ocean circulation+ Show more

Learning Objectives

• Explain how Earth’s rotation produces day and night
• Differentiate solar and sidereal periods using reference points
• Describe gravitational interactions that produce predictable tidal cycles+ Show more

Learning Objectives

• Identify the purpose of spreadsheet rows, columns, and cells
• Explain how sorting reorganizes spreadsheet data
• Explain how filters isolate relevant subsets of data+ Show more

Learning Objectives

• Define documentation and reflection in digital project work
• Identify design decisions and outcomes within a project process
• Evaluate project strengths and challenges using specific evidence+ Show more

Learning Objectives

• Explain the roles of magnification, resolution, and contrast in microscopy image quality
• Compare how light microscopes and electron microscopes create magnified images
• Use scale bars and preparation/staining information to interpret micrographs accurately

Learning Objectives

• Define phishing and social engineering in cybersecurity contexts
• Identify common red flags in suspicious online messages
• Explain how urgency and deception influence user decisions+ Show more

Learning Objectives

• Explain how genes and alleles determine genotypes and phenotypes
• Use dominant and recessive relationships to predict inheritance patterns
• Apply genotype-to-phenotype reasoning to interpret heredity evidence across generations