Grade 9 Worksheets

Learning Objectives

• Explain how scientific models represent phenomena at different levels of detail
• Differentiate models, explanations, and theories using evidence-based reasoning
• Describe how theories can change when new evidence conflicts with earlier ideas+ Show more

Learning Objectives

• Explain how energy moves through ecosystems from producers to consumers and why it often decreases at each trophic level.
• Describe the role of trophic levels in energy transfer (primary, secondary, and higher-level consumers).
• Analyze how interconnected feeding relationships form food webs rather than single energy pathways.

Learning Objectives

• Evaluate the credibility, perspective, and relevance of historical sources in Canadian history
• Identify potential bias and explain how it can shape historical narratives
• Use evidence from multiple source types to support a claim with reasoning+ Show more

Learning Objectives

• Explain how inherited traits can increase fitness in a given environment
• Describe how natural selection changes allele frequencies over multiple generations
• Connect adaptation at the population level to evidence such as camouflage or feeding efficiency+ Show more

Learning Objectives

• Explain how geographic features and human-made borders influence migration flows within and across countries.
• Distinguish between voluntary migration and involuntary displacement using historical and contemporary examples.
• Analyze how migration can change urban growth, demographic patterns, and cultural diffusion.

Learning Objectives

• Explain Newton’s second law using net force, mass, and acceleration (Fnet = m a).
• Describe how unbalanced, vector forces determine both the direction and magnitude of acceleration.
• Predict changes in velocity over time using acceleration and the duration of a net force.

Learning Objectives

• Explain how disturbances such as fire and flooding can reset or shape ecological succession
• Analyze how climate-driven changes to disturbance regimes can alter biodiversity and resource cycles
• Describe how soil development and species composition influence recovery trajectories+ Show more

Learning Objectives

• Explain the biochemical pathways involved in cellular respiration and photosynthesis.
• Describe the role of ATP in energy transfer within cells.
• Analyze how organelles like mitochondria and chloroplasts contribute to metabolism.+ Show more

Learning Objectives

• Evaluate how different levels of government policies affect resource-based industries and local communities.
• Analyze how trade agreements, environmental assessments, and regulatory changes shape market access and livelihoods.
• Assess how policy decisions intersect with equity and Indigenous rights (First Nations, Métis, and Inuit) and contribute to regional resilience.

Learning Objectives

• Explain how work depends on force and distance using the physics definition.
• Describe how simple machines change the magnitude or direction of an applied force.
• Evaluate input–output trade-offs and mechanical advantage in real contexts.

Learning Objectives

• Explain how DNA stores genetic information and how genes are organized on chromosomes within cells.
• Describe how chromosomes are passed to offspring during cell division to maintain inherited genetic instructions.
• Connect mutations in DNA to differences in traits among individuals.

Learning Objectives

• Explain how alleles in pairs determine phenotypes using dominance relationships
• Interpret inheritance patterns and predict traits from allele combinations
• Describe how multiple genes and allele variation can produce continuous variation+ Show more

Learning Objectives

• Understand how mole relationships connect masses of reactants and products in balanced equations.
• Learn to convert between mass and amount of substance using molar mass.
• Apply mole ratios from coefficients to predict quantities of reactants and products.+ Show more

Learning Objectives

• Use synonymy, antonymy, and category relationships (broader/narrower) to infer word meanings from context.
• Explain how context, connotation, and figurative language affect the meaning of words and phrases.
• Analyze common prefixes, suffixes, and roots to determine the meaning of unfamiliar academic vocabulary.

Learning Objectives

• Explain how energy transfer efficiency affects biomass across trophic levels.
• Use evidence such as population size, biomass trends, and nutrient concentrations to interpret trophic transfers.
• Describe how decomposition returns matter to ecosystems and supports continued production.

Learning Objectives

• Explain how disturbance (fire, flooding) can reset ecosystems and influence biodiversity in boreal forests and prairie wetlands.
• Analyze cause-and-effect relationships among disturbance regimes, soil development, species composition, and recovery outcomes.
• Evaluate how climate change and human land use can alter disturbance patterns and create management challenges.

Learning Objectives

• Identify a controlling idea in a written argument and explain how it guides the structure of the piece.
• Match reasons and evidence to the claim they support, maintaining coherence across paragraphs.
• Use transitions to connect ideas logically and evaluate whether a conclusion synthesizes rather than adds unrelated claims.+ Show more

Learning Objectives

• Understand the concept of biogeochemical cycles and their importance.
• Identify the main components and processes involved in the carbon cycle.
• Describe how carbon moves between different Earth system reservoirs.+ Show more

Learning Objectives

• Revise sentences by replacing vague words with precise verbs and exact nouns that strengthen clarity
• Use targeted modifiers to avoid stacked adjectives and ineffective intensifiers
• Maintain consistent voice and register to support credible analysis and argumentation+ Show more

Learning Objectives

• Explain how geographic features (waterways, mountain passes, and corridors) shape patterns of global interaction
• Analyze how geographic location influences trade, migration, and cultural exchange among regions
• Evaluate how interdependence between regions can be strengthened or weakened by geography

Learning Objectives

• Explain how cultural regions are defined by shared identity and historical ties
• Describe how language, religion, and traditional practices can form geographic patterns
• Analyze why cultural regions often have gradual boundaries rather than sharp borders+ Show more

Learning Objectives

• Identify common observable properties of substances and describe what they reveal about matter.
• Classify samples using observable traits such as colour, hardness, conductivity, density, and solubility.
• Explain how observable properties can support practical decisions in everyday and industrial contexts.

Learning Objectives

• Define tectonic plates and identify their main types.
• Explain how tectonic plates move relative to each other.
• Recognize the different types of plate boundaries and their features.+ Show more

Learning Objectives

• Understand the different magmatic systems and eruptive styles of volcanoes.
• Identify how compositional controls and tectonic settings influence volcanic behavior.
• Explain the impact of volcanic gases and depositional products on landscape and climate.+ Show more

Learning Objectives

• Identify a text’s theme by analyzing recurring details, events, and ideas
• Evaluate how the author supports claims using evidence, logic, and relevant details
• Determine how tone and emphasis shape what a text values+ Show more

Learning Objectives

• Understand the structure of evidence-based reasoning.
• Identify links between observations, analyses, and explanations.
• Recognize standards for evaluating evidence, including sufficiency and consistency.+ Show more

Learning Objectives

• Identify different trophic levels within food webs.
• Understand energy transfer and loss across trophic levels.
• Analyze the structure and functioning of ecological pyramids.+ Show more

Learning Objectives

• Identify how authors connect ideas using reasoning, comparison, contrast, and sequence in informational texts.
• Determine how cause-and-effect language signals relationships between events, processes, and outcomes.
• Explain how a later claim is supported by earlier information using evidence from the text.

Learning Objectives

• Identify the focused idea of a paragraph and connect it to the thesis or claim.
• Evaluate whether supporting details match the topic sentence and the paragraph’s purpose.
• Explain how evidence is used to develop a claim and how concluding sentences reinforce unity.

Learning Objectives

• Understand how the Moon's position affects its visible phases from Earth.
• Identify the conditions necessary for solar and lunar eclipses to occur.
• Explain the role of the Moon's orbital tilt in eclipse frequency.+ Show more

Learning Objectives

• Describe the processes involved in cellular energy metabolism, including glycolysis, the citric acid cycle, and oxidative phosphorylation.
• Understand how mitochondrial structure supports ATP synthesis and proton gradients.
• Differentiate between aerobic and anaerobic pathways and their tissue-specific roles.+ Show more

Learning Objectives

• Understand how to calculate the center of mass for composite systems.
• Analyze the conditions for static equilibrium involving torque and support bases.
• Evaluate stability criteria for structures and objects based on mass distribution and external forces.+ Show more

Learning Objectives

• Explain how Pride Day promotes respect for diverse LGBTQ+ identities and allies.
• Identify examples of self-acceptance and resilience connected to authentic self-expression.
• Describe how inclusive language and actions strengthen school and community culture.

Learning Objectives

• Explain how friction and drag act as opposing forces to relative motion.
• Predict how changing surface conditions and speed can affect acceleration in real situations.
• Use force ideas to describe why braking, sliding, and coasting behaviors differ from expectations.

Learning Objectives

• Extract key ideas about how DNA sequences can indicate shared ancestry.
• Identify evidence from sequence similarity and divergence in a scientific passage.
• Use scientific vocabulary related to homologous genes and molecular clocks.

Learning Objectives

• Define the concept of homeostasis and its importance.
• Identify the key body systems involved in maintaining internal stability.
• Describe feedback mechanisms that regulate internal conditions.+ Show more

Learning Objectives

• Understand key genetic technologies such as selective breeding, hybridization, genetic modification, and gene editing
• Recognize how these technologies are applied in agriculture and livestock
• Learn about the mechanisms of trait introduction and alteration at molecular and population levels+ Show more

Learning Objectives

• Identify rhetorical techniques such as rhetorical questions, repetition, parallel structure, and figurative language in a passage.
• Explain how rhetorical techniques strengthen a claim by shaping audience response and emphasis.
• Distinguish emotional appeals from logical evidence and evaluate whether tone fits purpose.+ Show more

Learning Objectives

• Identify how pace, volume, tone, and physical delivery choices improve audience understanding
• Use feedback to revise both message accuracy and presentation in a persuasive or explanatory message
• Apply strategies such as pausing, concise phrasing, and audience eye contact to strengthen communication impact

Learning Objectives

• Explain how insulin and glucagon respond to changes in blood glucose.
• Describe how the liver, muscle, and adipose tissue help maintain blood glucose homeostasis.
• Compare how feeding and fasting affect glucose uptake, storage, and release.

Learning Objectives

• Explain how Earth’s axial tilt and its orbit around the Sun produce predictable seasonal changes
• Describe how sunlight angle and day length vary by hemisphere over the year
• Connect Sun-Earth geometry to seasonal temperature cycles and related weather patterns

Learning Objectives

• Explain how homeostatic feedback loops maintain internal stability using sensors, control centers, and effectors.
• Differentiate negative feedback from positive feedback and predict their overall effects on a body variable.
• Describe how signaling pathways and transport processes help transmit information and coordinate responses across tissues.

Learning Objectives

• Define inertia and explain its relationship to an object's mass.
• Describe real-world examples demonstrating inertia in everyday life.
• Understand how forces overcome inertia to change an object's motion.+ Show more

Learning Objectives

• Define idioms and distinguish them from literal phrases.
• Interpret idioms within their contextual usage.
• Identify how replacing idioms with dictionary definitions can affect tone.+ Show more

Learning Objectives

• Interpret how temperature, humidity, dew point, wind, and air pressure relate to observable weather patterns.
• Use short-term variability and long-term averages to distinguish typical weather from climate change.
• Analyze how air mass movement and energy exchange near Earth’s surface influence precipitation timing and storm intensity.

Learning Objectives

• Explain how hormones help maintain homeostasis using negative feedback loops.
• Describe how insulin and glucagon regulate glucose homeostasis in different tissues.
• Analyze how thyroid hormones affect metabolic rate through receptor-mediated gene expression changes.+ Show more

Learning Objectives

• Understand how ice cores, tree rings, marine sediments, and speleothems serve as proxies for past climate conditions.
• Interpret proxy indicators such as isotopic ratios, growth increments, and microfossil assemblages to reconstruct climate history.
• Relate proxy records to temporal climate patterns, including glacial-interglacial cycles and abrupt climate events.+ Show more

Learning Objectives

• Explain the concept of center of mass in simple and composite systems.
• Calculate the center of mass for various objects and systems.
• Understand the role of torque and equilibrium in rotational stability.+ Show more