Grade 9 Worksheets

Learning Objectives

• Explain how geological and atmospheric indicators help characterize natural hazards by origin, frequency, and potential impacts.
• Use hazard maps and recurrence intervals to discuss risk to human and ecological systems.
• Describe how triggering mechanisms and intersystem feedbacks influence the spread and long-term effects of natural hazards.

Learning Objectives

• Explain how DNA replication errors can cause spontaneous mutations
• Identify environmental factors (such as radiation and chemicals) that can induce mutations
• Describe how mutations may or may not affect proteins and gene regulation+ Show more

Learning Objectives

• Explain how Earth’s axial tilt and orbital eccentricity affect the intensity and distribution of sunlight over yearly cycles
• Describe how the Moon’s synodic cycle leads to predictable lunar phases
• Connect gravitational interactions between Earth, the Sun, and the Moon to tidal patterns+ Show more

Learning Objectives

• Understand how systems and decision models evaluate mitigation and adaptation strategies for climate change.
• Analyze trade-offs among environmental, social, and economic variables using scenario analysis and assessment approaches.
• Apply concepts of cost-benefit analysis and lifecycle assessment to policy decisions such as carbon pricing and land-use planning.+ Show more

Learning Objectives

• Describe different types of species interactions such as competition, predation, and mutualism.
• Explain the roles of keystone species and ecosystem engineers in shaping community structure.
• Analyze how species interactions influence ecosystem stability and energy flow.+ Show more

Learning Objectives

• Understand how collision frequency, activation energy, and pathways influence reaction rates.
• Explain how temperature, concentration, and catalysts affect accessible energy distributions.
• Apply rate laws and reaction order concepts to real-world reactions like bromine-iodide kinetics.+ Show more

Learning Objectives

• Explain how gender equality and animal welfare both depend on compassion, empathy, and ethical decision-making.
• Analyze how cultural attitudes and institutions can either support or hinder social justice.
• Evaluate real-world examples of collective action and propose ways students can contribute to positive change.

Learning Objectives

• Understand how natural selection influences genetic variation within populations.
• Identify traits that provide survival advantages in specific environments.
• Describe the process by which advantageous traits increase over generations.+ Show more

Learning Objectives

• Explain how amplitude, wavelength, and frequency describe a wave signal.
• Relate changes in wave parameters to how the wave appears in different representations.
• Use parameter relationships to interpret or compare signals produced by the same source.

Learning Objectives

• Explain how genes on DNA can determine protein structure and function
• Describe how transcription and translation work at a high level
• Analyze how gene regulation (including promoter function) can change phenotype+ Show more

Learning Objectives

• Use correct end punctuation (period, question mark, exclamation point) to match sentence purpose.
• Apply capitalization rules for the first word of a sentence, proper nouns, and specific titles.
• Use apostrophes correctly for contractions and possession.+ Show more

Learning Objectives

• Understand the basic scalar and vector measures used to describe motion.
• Differentiate between speed, velocity, and acceleration in various real-world contexts.
• Apply unit conversions and sign conventions to analyze motion data.+ Show more

Learning Objectives

• Understand the concept of net force as the vector sum of all forces acting on an object.
• Analyze how direction and magnitude of forces influence motion, including equilibrium and acceleration.
• Apply net force principles to practical Alberta scenarios involving friction, air resistance, and load tipping.+ Show more

Learning Objectives

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

Learning Objectives

• Explain how new oceanic crust forms at mid-ocean ridges and how older crust moves away over time.
• Interpret magnetic striping patterns as evidence for seafloor spreading and geomagnetic reversals.
• Use seafloor age, bathymetry, and sediment thickness to describe evidence for plate-motion models.

Learning Objectives

• Understand the key tradeoffs involved in digital and analog communication systems.
• Analyze how bandwidth, signal-to-noise ratio, and error correction techniques affect data transmission.
• Evaluate the performance limitations of wireless, optical, and wired networks based on quantitative metrics.+ Show more

Learning Objectives

• Understand the purpose and effects of residential schools on Indigenous cultures.
• Analyze how land laws and governance impacted Indigenous territories.
• Evaluate Indigenous responses to colonization and policies.+ Show more

Learning Objectives

• Understand quantitative methods for assessing the fit between models and data.
• Interpret residual plots and goodness-of-fit measures to evaluate model accuracy.
• Identify patterns indicating systematic divergence or heteroscedasticity.+ Show more

Learning Objectives

• Compare prokaryotic (bacteria and archaea) cell structures with eukaryotic cell structures.
• Explain how differences in compartmentalization and genetic arrangement affect cell organization.
• Identify key features such as nucleoid, nucleus, organelles, and chromosome type.

Learning Objectives

• Understand the roles of producers and consumers in ecosystems.
• Analyze how photosynthesis and cellular respiration transfer energy and cycle carbon and oxygen.
• Evaluate the impact of net primary productivity and biomass accumulation on ecosystems.+ Show more

Learning Objectives

• Describe the organization of the nervous system from neurons and synapses to neural circuits.
• Explain how action potentials and synaptic transmission enable signal propagation and processing.
• Relate cellular features such as myelination and synaptic architecture to conduction velocity and neural processing capacity.+ Show more

Learning Objectives

• Understand the law of conservation of mass through balancing chemical equations.
• Identify and balance chemical equations to ensure equal atoms of each element on both sides.
• Link formula notation to measurable mass relationships in chemical reactions.+ Show more

Learning Objectives

• Explain why DNA replication is semi-conservative and produces two DNA molecules with one original strand each.
• Describe the main steps of DNA replication, including initiation, primer formation, and leading vs. lagging strand synthesis.
• Connect replication fidelity and repair mechanisms to mutation rates and genome stability.

Learning Objectives

• Explain cause-and-effect relationships in historical events using specific evidence.
• Identify how decisions by different groups can lead to local and national consequences.
• Interpret primary-source information to support claims about historical significance.

Learning Objectives

• Explain how protocols help devices communicate reliably across networks.
• Describe how data is broken into packets and reassembled at the destination.
• Use key vocabulary (protocol, packet, transfer, communication) to explain online message delivery.

Learning Objectives

• Describe the processes of transcription and translation in gene expression.
• Identify key components involved in gene expression such as RNA polymerase, mRNA, tRNA, and ribosomes.
• Explain how regulation and modifications influence gene expression outcomes.+ Show more

Learning Objectives

• Understand the geological processes involved in mountain formation from plate convergence and collision.
• Identify key features and structures associated with mountain ranges and orogenic events.
• Explain how weathering and erosion shape mountain landscapes over time.+ Show more

Learning Objectives

• Identify the difference between a claim and supporting textual evidence in informational writing
• Select precise passages that directly match a writer’s meaning and explain how the detail functions
• Use cause-and-effect and definitions as forms of evidence to strengthen analysis

Learning Objectives

• Explain how coherence helps readers follow ideas logically from beginning to end.
• Identify how word choice, sentence structure, and tone support a consistent writing purpose.
• Use transitions to connect claims with supporting details clearly.+ Show more

Learning Objectives

• Explain the process of ecological succession and its different types.
• Identify factors influencing succession trajectories in ecosystems.
• Model succession incorporating species traits, dispersal, and environmental constraints.+ Show more

Learning Objectives

• Understand the concept of impulse and its relation to force and time
• Differentiate between elastic and inelastic collisions
• Analyze how forces during collisions affect an object's momentum+ Show more

Learning Objectives

• Understand the importance of identifying audience needs when creating media messages.
• Learn how audience influences message format, vocabulary, and evidence used.
• Recognize how tone, visuals, and supporting details are tailored for specific audiences.+ Show more

Learning Objectives

• Identify major types of natural resources and describe how they are distributed across Canada
• Explain how geology and climate influence where resources form and how they are extracted
• Analyze how resource development affects regional economies and Indigenous communities+ Show more

Learning Objectives

• Understand how multiple factors influence ecosystem responses and resilience.
• Identify the components of trophic interactions, feedback loops, and material fluxes.
• Analyze the effects of climate variability, land-use change, and species introductions on ecosystems.+ Show more

Learning Objectives

• Identify different types of community health clinics and their services
• Understand how to access local health resources
• Recognize the importance of community support in maintaining health

Learning Objectives

• Identify theme by tracing recurring ideas, character/speaker attitudes, and repeated language patterns across a text.
• Support a theme statement with specific moments and evidence from different parts of the text.
• Analyze how an author develops complexity over time rather than using a theme as a simple label.

Learning Objectives

• Understand the concept of compound machines and how they combine multiple simple machines.
• Learn to calculate overall mechanical advantage using force and displacement relationships.
• Differentiate between ideal and actual mechanical advantage, considering frictional losses.+ Show more

Learning Objectives

• Understand how chapter arrangement impacts narrative flow
• Identify deliberate structural choices made by authors
• Assess how structural patterns contribute to suspense and meaning+ Show more

Learning Objectives

• Evaluate a speaker’s argument by analyzing point of view, reasoning, and rhetorical choices.
• Assess whether evidence is sufficient and directly supports a claim rather than replacing vague assertions.
• Determine how language choices and appeals influence an audience’s interpretation.

Learning Objectives

• Explain how a device can be viewed as a system with interacting parts that perform specific roles.
• Map a device system by identifying inputs, outputs, energy transfers, and material flow.
• Use system boundaries to determine what belongs inside a device model and what counts as outside constraints.+ Show more

Learning Objectives

• Identify observable evidence of chemical change, including colour shifts, gas evolution, precipitate formation, temperature change, and irreversibility.
• Use evidence to distinguish chemical changes from physical changes in environmental and industrial contexts.
• Explain how multiple evidence markers together strengthen the conclusion that a new substance formed.

Learning Objectives

• Explain how equilibrium and kinetics influence which products form in a chemical process.
• Use equilibrium constants, rate ideas, and mass balance reasoning to predict and improve product distribution in a closed system.
• Describe how temperature, pressure, concentration, and catalysts can be refined to increase yield and selectivity while limiting side reactions.

Learning Objectives

• Interpret multiple lines of evidence for descent with modification, including fossils, comparative anatomy, biogeographic patterns, and molecular phylogenies.
• Explain how mutation, natural selection, genetic drift, and gene flow can change allele frequencies over short and long timescales.
• Use simple models or scenarios to predict how populations respond to changing environmental pressures.

Learning Objectives

• Explain how linear momentum is conserved in an isolated system using vector addition and momentum exchange.
• Differentiate elastic and inelastic collisions using quantitative momentum before-and-after calculations.
• Use center-of-mass ideas for two-body interactions and apply conservation to real situations like recoil and car crashes.

Learning Objectives

• Define Newton's Third Law and identify action-reaction pairs.
• Recognize examples of interaction pairs in everyday scenarios.
• Explain why these forces act on different objects and do not cancel each other.

Learning Objectives

• Explain how atomic number relates to repeating patterns in the periodic table.
• Predict trends in element properties (reactivity and typical ion charge) using group and period patterns.
• Describe how electron arrangement in outer energy levels drives periodic behavior.

Learning Objectives

• Explain how semicolons join two closely related independent clauses while preserving each clause’s separateness
• Use colons to introduce information that explains, summarizes, or lists what comes before
• Revise sentences by choosing the correct punctuation mark (colon, semicolon, comma, or conjunction) for the intended relationship

Learning Objectives

• Explain how glycolysis, the citric acid cycle, and oxidative phosphorylation work together to produce ATP
• Describe how mitochondrial structure supports proton gradients and ATP synthase activity
• Compare aerobic and anaerobic energy pathways and predict where each pathway is used