Grade 9 Worksheets

Learning Objectives

• Describe different methods of encoding information onto carrier waves, including amplitude, frequency, and phase modulation.
• Compare modulation and multiplexing schemes such as pulse-code modulation and amplitude modulation in terms of bandwidth and fidelity.
• Analyze practical examples of encoding techniques used in fiber-optic, radio, and microwave communications.+ Show more

Learning Objectives

• Understand the concepts of negative and positive feedback in physiological regulation.
• Identify examples of feedback mechanisms like thermoregulation, blood glucose control, and osmoregulation.
• Explain the roles of set points, sensors, and effectors in maintaining internal stability.+ Show more

Learning Objectives

• Identify the claim, evidence, and reasoning in informational and argumentative writing.
• Evaluate whether evidence is relevant and sufficient to support a conclusion.
• Distinguish justified explanations from assertions that lack reasoning.+ Show more

Learning Objectives

• Apply mathematical reasoning to model and analyze financial scenarios.
• Calculate interest, savings growth, and expense impacts over time.
• Interpret financial data to make informed decisions.+ Show more

Learning Objectives

• Explain how stellar mass influences the main sequence lifetime and later evolution.
• Describe major evolutionary stages of stars, including red giant expansion and core helium fusion.
• Connect Hertzsprung-Russell diagram ideas and spectral classification to stellar properties.+ Show more

Learning Objectives

• Understand the principle of conservation of linear momentum in isolated systems.
• Differentiate between elastic and inelastic collisions using quantitative approaches.
• Calculate total momentum before and after interactions in various scenarios.+ Show more

Learning Objectives

• Identify key moves of academic conversation (build on ideas, respond to peers, use evidence).
• Use discussion roles and question types to clarify meaning and deepen understanding.
• Evaluate statements about respectful, purpose-driven collaborative dialogue.

Learning Objectives

• Explain how mid-ocean ridges create new oceanic crust through seafloor spreading
• Describe how magnetic striping in basalt records seafloor spreading history
• Interpret how seafloor age and seafloor features (bathymetry and sediment thickness) support models of plate motion

Learning Objectives

• Understand the principles of electric and magnetic field vectors and their superposition.
• Describe how forces act on moving charges in magnetic fields and predict particle trajectories.
• Interpret field maps and use field lines to represent the direction and magnitude of fields.+ Show more

Learning Objectives

• Evaluate the credibility and relevance of multiple sources presented in different formats (interviews, articles, graphs, and audio).
• Integrate sources by comparing evidence, identifying contradictions, and making reasoned judgments.
• Use corroboration and clear explanations to support conclusions with the strongest combination of details.

Learning Objectives

• Explain how energy flows through ecosystems from producers to consumers in one direction
• Describe the role of trophic levels in energy transfer and why energy decreases at each step
• Use food web relationships to interpret interconnected energy pathways rather than linear chains

Learning Objectives

• Understand what a prototype is and its purpose in scientific testing
• Learn how prototypes provide evidence for evaluating design performance
• Identify examples of criteria used to assess prototypes such as strength, accuracy, and efficiency

Learning Objectives

• Understand how Earth's axial tilt affects the seasons
• Explain the relationship between Earth's position in orbit and day length
• Describe how the angle of sunlight influences temperature and weather patterns

Learning Objectives

• Identify various measurement tools used in scientific experiments.
• Understand the importance of choosing appropriate measurement units.
• Recognize the significance of calibration and standard reference points.+ Show more

Learning Objectives

• Describe the principles of single-gene inheritance patterns, including dominance, segregation, and independent assortment.
• Use Punnett squares to predict genotype and phenotype ratios in monohybrid and dihybrid crosses.
• Interpret pedigrees and understand inheritance probabilities and limitations such as incomplete dominance, codominance, and linked loci.+ Show more

Learning Objectives

• Understand the process of light reactions in photosynthesis
• Identify the role of pigments and electron transport in photosynthesis
• Explain how energy from light is converted into chemical energy

Learning Objectives

• Understand the wave-like and particle-like behaviors of light
• Identify phenomena that demonstrate light's wave properties
• Explain the photoelectric effect and its significance+ Show more

Learning Objectives

• Understand the principles of gravitational interactions governing planetary and satellite orbits.
• Interpret Kepler's laws and Newton's law of universal gravitation in the context of orbital dynamics.
• Analyze relationships such as orbital period vs. semi-major axis, escape velocity, and angular momentum conservation.+ Show more

Learning Objectives

• Define and characterize physical changes as alterations in state or form that retain the original identity.
• Identify examples of physical changes such as melting, freezing, evaporation, condensation, and dissolving.
• Distinguish between reversible and irreversible physical changes with real-life exemplars.+ Show more

Learning Objectives

• Analyze how an author organizes events to shape meaning and reader expectations.
• Explain how structural choices (chapter division, repetition, and placement of revelations) affect pacing and emphasis.
• Identify how delayed information builds suspense and contributes to theme.+ Show more

Learning Objectives

• Understand the construction and interpretation of phylogenetic trees.
• Identify key principles such as shared derived characters and tree-building methods.
• Analyze molecular and morphological data to infer evolutionary relationships.+ Show more

Learning Objectives

• Identify and differentiate the main types of chemical reactions including synthesis, decomposition, single displacement, double displacement, and combustion.
• Describe typical observable outcomes and patterns in reactants and products for each reaction type.
• Connect reaction classification to predicting products and applying conservation of mass principles.+ Show more

Learning Objectives

• Understand key principles of ecosystems, biodiversity, and human impact on the environment.
• Analyze case studies related to pollution, deforestation, and climate change.
• Evaluate the effects of environmental issues and explore potential solutions.+ Show more

Learning Objectives

• Use evidence (details, reasons, and examples) to support agreement or disagreement in discussion
• Connect a new comment to a prior idea using clear signals (extend, challenge, or reframe)
• Acknowledge the source of a claim before adding evidence to strengthen credibility

Learning Objectives

• Explain how organelle form and abundance vary across cell types and taxa.
• Connect structural adaptations (e.g., ER, mitochondria, vacuoles, cilia) to specialized cellular functions.
• Use comparative reasoning to predict how cell structure supports physiological roles and ecological strategies.

Learning Objectives

• Represent forces as vectors using magnitude and direction in two dimensions
• Resolve a force into perpendicular (x- and y-) components and add components to find a resultant
• Use graphical and analytical methods to determine net force and relate net force to acceleration

Learning Objectives

• Analyze how audience, purpose, and context affect word choice, register, and tone.
• Evaluate whether supporting evidence matches the claim being made.
• Revise sentences to reduce ambiguity and improve alignment between tone and intent.

Learning Objectives

• Understand the principles of mechanical energy conservation and energy transfer.
• Identify real-world examples of energy conversions in Alberta contexts.
• Explain the effects of non-conservative forces like friction on energy transfer.+ Show more

Learning Objectives

• Identify credible information by evaluating source reliability, publication context, and possible bias.
• Distinguish facts, interpretations, and opinions when analyzing claims in a text.
• Assess whether evidence is strong by checking for relevance, specificity, and consistency across the text.+ Show more

Learning Objectives

• Identify how audience adaptation changes tone, vocabulary, and sentence structure in different communication settings.
• Select language choices that match formality expectations for classrooms, public forums, and professional meetings.
• Explain how explicitness and background knowledge influence how clearly a speaker presents information.

Learning Objectives

• Differentiate between series and parallel circuit arrangements based on how current and voltage behave.
• Predict how brightness and reliability change in series versus parallel circuits using circuit rules.
• Apply circuit reasoning to real-life examples such as lighting strings and household receptacles.

Learning Objectives

• Explain how a central idea presents a text’s main point and guides interpretation of supporting details.
• Identify central ideas by tracking recurring topics, key details, and patterns of elaboration in a text.
• Distinguish primary details that directly develop the central idea from secondary details that clarify or provide background.

Learning Objectives

• Use probability and Punnett-square reasoning to predict trait frequencies across multiple generations.
• Explain how dominant and recessive alleles affect offspring phenotypes even when carriers are not visibly different.
• Interpret family patterns to support or question genetic predictions.

Learning Objectives

• Identify a writer's purpose and describe how it shapes tone, level of formality, and supporting details
• Match types of evidence to audience expectations and communication goals
• Revise sentences to fit a chosen audience and purpose

Learning Objectives

• Identify claims in informational texts and select passages that directly support those claims.
• Distinguish between statements, definitions, and supporting details when using evidence.
• Use evidence to explain how a detail connects to an author’s purpose or message.

Learning Objectives

• Understand the concept of net force as the vector sum of all forces acting on an object.
• Analyze how different forces, including opposing forces like friction and air resistance, affect motion.
• Apply quantitative methods to calculate net force and predict motion changes in real-world scenarios.+ Show more

Learning Objectives

• Combine ideas using coordination and subordination to improve sentence variety and coherence.
• Control emphasis and pacing by mixing short and longer sentences and varying sentence openings.
• Apply accurate grammar choices, including tense consistency, clear pronoun references, and correct modifier placement.

Learning Objectives

• Understand the concept of proportional relationships among reactants and products in chemical equations.
• Interpret coefficients in balanced equations to relate amounts of substances.
• Calculate mass relationships and conserved quantities in chemical reactions.+ Show more

Learning Objectives

• Define work as energy transfer when a force acts through a distance
• Identify key terms: force, distance, direction, mechanical advantage
• Explain how changing distance and force affects work and machine performance+ Show more

Learning Objectives

• Interpret position–time and velocity–time graphs by relating slope to velocity and acceleration.
• Determine displacement from the area under a velocity–time graph and explain sign changes.
• Connect piecewise motion on graphs to changes in kinematic variables and Newton’s second law.

Learning Objectives

• Explain the role of the kidneys and nephron in blood filtration and urine formation.
• Describe the processes of glomerular filtration, reabsorption, secretion, and urine concentration.
• Understand how renal regulation maintains electrolyte balance, acid–base homeostasis, and blood pressure.+ Show more

Learning Objectives

• Identify figurative language techniques (metaphor, simile, personification, hyperbole) and explain how they shape meaning.
• Determine the implied meaning of figurative expressions by using context clues rather than literal definitions.
• Evaluate whether a statement about figurative language is accurate and revise misconceptions.

Learning Objectives

• Explain how friction and drag oppose relative motion and how they affect acceleration
• Describe how friction depends on normal force and surface conditions
• Describe how drag depends on speed and why it increases at higher speeds+ Show more

Learning Objectives

• Understand Mendelian inheritance patterns, including dominant and recessive alleles.
• Distinguish between genotype and phenotype.
• Apply Punnett square logic to predict genetic ratios in offspring.+ Show more

Learning Objectives

• Identify how tone, vocabulary, and explicitness change when speaking to different audiences and contexts.
• Apply audience-adaptation strategies by selecting language that matches formality and the audience’s likely knowledge and concerns.
• Revise speech wording to improve clarity and appropriateness for a specific task, context, and audience.

Learning Objectives

• Analyze how a character’s actions, relationships, and internal conflicts reveal traits and growth over time.
• Explain how specific moments and evolving language in a dramatic text show psychological depth and change.
• Use evidence from the text to support claims about motivation, beliefs, and moral boundaries.

Learning Objectives

• Understand how the sun unevenly heats Earth's surface.
• Describe how temperature differences drive atmospheric circulation.
• Explain the role of water vapor and energy transfer in weather patterns.+ Show more

Learning Objectives

• Explain how integrating information from sources strengthens credibility while preserving the writer’s control of ideas
• Differentiate summarizing, paraphrasing, and quoting as methods for incorporating evidence
• Use transitions and commentary to connect source details to claims and maintain a unified explanation+ Show more