Grade 9 Worksheets

Learning Objectives

• Explain Newton’s Third Law using the idea of action–reaction pairs that act on different objects
• Identify forces in a scenario and determine the direction and relative size of the matching third-law force
• Predict how force pairs affect the motion of each object involved+ Show more

Learning Objectives

• Identify an author’s purpose by analyzing evidence, tone, and organization in a text.
• Distinguish between informing, persuading, analyzing, and entertaining purposes using key textual signals.
• Explain how audience and emphasis on emotion vs. logic shape meaning.+ Show more

Learning Objectives

• Identify the difference between a claim and the evidence that supports it.
• Evaluate whether evidence directly supports a claim or is loosely related.
• Explain how reasoning connects evidence to meaning in an argument.+ 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

• Explain how to navigate common steps for accessing physical, mental, and sexual health services.
• Identify trusted healthcare resources and describe how to evaluate whether a provider or program is reliable.
• Compare basic insurance options and describe strategies for reducing barriers to care.+ Show more

Learning Objectives

• Describe how advocacy campaigns use clear goals, target audiences, and evidence to influence health decisions.
• Select appropriate media platforms and communication channels for different audiences and messages.
• Create a persuasive advocacy message that includes a call to action and supports it with credible health reasoning.+ Show more

Learning Objectives

• Analyze how media messages influence health beliefs, body image, diet, and lifestyle choices
• Evaluate advertising and social media claims using media literacy skills
• Identify cultural norms and understand how they are reinforced through popular culture

Learning Objectives

• Explain how family, friends, peer pressure, and cultural norms can influence health-related attitudes and behaviors
• Analyze situations to predict whether social influences may support healthy choices or risky behaviors
• Use knowledge of social influences to make and justify personal health decisions

Learning Objectives

• Explain how health-enhancing behaviors (nutrition, physical activity, and avoiding harmful substances) affect physical and mental health.
• Analyze how personal choices influence short-term wellness and long-term disease risk.
• Identify strategies for building consistent, health-promoting habits in different contexts.

Learning Objectives

• Explain how community health services support physical and mental wellness through prevention, early intervention, and ongoing care.
• Describe how to locate appropriate health resources and access them efficiently (including cost, referrals, and eligibility).
• Identify examples of nutrition counselling and screening programs, and explain why timely use matters.

Learning Objectives

• Interpret common nutrition label information (serving size, calories, nutrients, and % Daily Value) to make healthier choices.
• Identify whole foods and explain how balancing food groups supports energy and long-term health.
• Evaluate food options using ingredients, preparation methods, and portion sizes, and apply mindful eating habits.

Learning Objectives

• Explain how changes in surface albedo can either amplify or reduce climate warming through feedback loops.
• Use cause-and-effect reasoning to describe how melting ice and snow influence the amount of solar energy absorbed by Earth.
• Analyze how clouds and vegetation can create additional albedo-related feedbacks at regional scales.+ Show more

Learning Objectives

• Explain how the Sun, Moon, and Earth alignment creates solar and lunar eclipses
• Compare the order of bodies (relative positions) for solar vs. lunar eclipses
• Describe how orbital inclination affects eclipse frequency and where totality can be observed

Learning Objectives

• Explain how the changing geometry between the Sun, Earth, and Moon causes the visible lunar phases.
• Describe the synodic month and why lunar phases repeat in a predictable sequence.
• Use illuminated fraction and viewing perspective to predict which phase comes next.

Learning Objectives

• Revise sentences to reduce confusion by making relationships between ideas explicit
• Check pronoun references to ensure they point to the correct nouns
• Use transitions to improve the logical flow between sentences and paragraphs+ Show more

Learning Objectives

• Explain how adaptive radiation leads to rapid diversification from a single ancestral lineage into multiple species
• Describe the roles of ecological niches, key innovations, and varying selective pressures in driving trait and behavior differences
• Interpret how models help scientists study rates of lineage splitting and trait evolution over time and space

Learning Objectives

• Explain the difference between primary and secondary ecological succession after disturbance or colonization.
• Identify how species turnover and changing resource availability drive changes in community composition over time.
• Use cause-and-effect reasoning to describe feedbacks that influence habitat conditions and ecosystem stability.+ Show more

Learning Objectives

• Explain how catabolic and anabolic pathways connect to meet an organism’s energy needs across tissues
• Describe how hormonal and nutrient signals redirect metabolic intermediates toward ATP production, storage, or biosynthesis
• Compare immediate post-translational control with longer-term changes in enzyme expression and organelle activity

Learning Objectives

• Explain how photons drive charge separation in photosystems during the light reactions.
• Describe how an electron transport chain creates a proton gradient that powers ATP synthase.
• Connect water splitting to electron replenishment and oxygen release.

Learning Objectives

• Explain how pulmonary ventilation and cardiovascular transport work together to deliver oxygen and remove carbon dioxide.
• Describe how heart rate, stroke volume, and vascular resistance can change in response to respiratory and metabolic demands.
• Use chemoreceptor feedback to predict how changes in blood gases affect ventilation and circulation.+ Show more

Learning Objectives

• Explain how ligands bind to receptors and initiate signal transduction inside cells
• Describe how second messengers and phosphorylation help relay and amplify signals
• Compare autocrine, paracrine, endocrine, and synaptic signaling by distance and time scale+ Show more

Learning Objectives

• Explain how the hypothalamus connects neural signals to hormonal control through releasing factors.
• Describe the roles of portal vessels and fenestrated capillaries in neuroendocrine regulation.
• Identify tropic hormones and their effects on target organs involved in metabolism, growth, reproduction, and stress.

Learning Objectives

• Explain how the hypothalamus and thermoreceptors coordinate heat gain and heat loss through feedback loops.
• Describe how the skin and vasculature adjust heat loss using vasoconstriction and vasodilation.
• Analyze how sweating, shivering, and metabolic-rate changes affect body temperature under different environmental conditions.

Learning Objectives

• Interpret microscopy images using scale bars, resolution limits, staining/contrast, and controls
• Differentiate what electron microscopy and fluorescence microscopy can reveal about cells and organelles
• Evaluate claims about cellular processes by comparing image sets over time while accounting for artifacts

Learning Objectives

• Model how seafloor spreading and subduction zones drive changes in Earth’s surface and seafloor features.
• Explain how volcanic arc systems and mountain belt uplift result from crustal deformation and faulting.
• Use evidence such as seafloor magnetic anomaly patterns and geologic cross-sections to support plate tectonics.

Learning Objectives

• Explain how hazard risk is evaluated using occurrence, frequency, and consequences for earthquakes, volcanoes, tsunamis, hurricanes, and floods.
• Use ideas from probabilistic models and historical records to interpret return-period information and its limits.
• Describe how exposure, vulnerability, and cascading system effects influence community and infrastructure susceptibility.+ Show more

Learning Objectives

• Use Punnett squares to predict genotype and phenotype ratios in single-gene crosses involving dominant and recessive alleles.
• Interpret probability outcomes in monohybrid and dihybrid inheritance, including how independent assortment affects ratios.
• Compare simple Mendelian expectations with real inheritance patterns (incomplete dominance, codominance, and linked loci).

Learning Objectives

• Analyze how a character’s actions and relationships reveal traits and change over time.
• Explain how internal and external forces influence motivation, beliefs, and moral boundaries.
• Evaluate how author craft—especially changing language in dramatic scenes—signals growth or contradiction.

Learning Objectives

• Interpret acceleration using speed–time and distance–time data during measured intervals.
• Determine whether acceleration is approximately constant or changing from the shape of a data curve or the pattern of slopes.
• Explain how acceleration direction relates to the direction of speed change.

Learning Objectives

• Explain how distance and time relate to speed using words, tables, and graphs.
• Interpret distance–time and speed–time patterns to determine whether speed is constant or changing.
• Use the idea of acceleration as the rate of change of speed with respect to time.+ Show more

Learning Objectives

• Explain reaction balancing using conservation of matter and conservation of atoms.
• Interpret chemical equation coefficients as particle/atom counts of reactants and products.
• Balance simple chemical equations by matching the number of atoms of each element on both sides.

Learning Objectives

• Explain how energy flows one direction through food chains and why energy decreases at each trophic level.
• Describe how matter cycles through biological systems by rearranging atoms during processes such as photosynthesis and cellular respiration.
• Use evidence such as trophic level relationships and changing biomass to interpret energy and matter movement in ecosystems.

Learning Objectives

• Explain how predation, competition, and mutualism affect population sizes and community structure.
• Use ecosystem interaction networks to predict how changes in one population can cascade to others.
• Connect environmental factors (water, temperature, nutrients) to survival, growth, and ecosystem stability.

Learning Objectives

• Explain how climate variability is identified by comparing weather-related measurements over longer time scales.
• Distinguish climate variability from long-term climate change using evidence from temperature, precipitation, and wind/humidity patterns.
• Interpret how large-scale ocean-atmosphere interactions (such as El Niño) can shift regional weather statistics.

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 storage reservoirs and time scales control how fast Earth systems exchange carbon and water.
• Describe how feedbacks can amplify or dampen changes in atmospheric carbon, ocean carbon, and living systems.
• Connect energy flow to evaporation, winds, temperature, and climate-related feedbacks.

Learning Objectives

• Explain how Earth’s water moves through connected reservoirs and processes in the water cycle.
• Describe how carbon shifts among the atmosphere, living things, oceans, and rocks through major processes.
• Connect solar energy and Earth’s radiation balance to weather and long-term temperature patterns.

Learning Objectives

• Explain how gravity supplies the centripetal force that keeps planets and moons in curved orbits
• Compare how orbital speed and distance change across elliptical and circular paths
• Use orbital motion to predict recurring sky patterns over time

Learning Objectives

• Explain how appropriate instruments, calibration, and consistent units affect measurement accuracy
• Use significant figures to represent measurement precision appropriately
• Convert units correctly and record data in a consistent format to reduce misinterpretation+ Show more

Learning Objectives

• Explain why scientific investigations use controls to isolate the effect of one variable.
• Identify common safety and measurement practices that improve data quality.
• Design a controlled investigation by stating variables, procedures, and safety considerations.

Learning Objectives

• Explain how measurement limitations and model differences create uncertainty in scientific results.
• Identify common sources of error, including instrument limits, human judgment, environmental variation, and simplifications.
• Interpret uncertainty by relating it to how much results could deviate from the true value and how confidence changes when uncertainty is large.

Learning Objectives

• Compare fossil-fuel extraction and renewable energy sources using environmental, economic, and security criteria.
• Explain key causes and consequences of an energy transition, including greenhouse gas emissions and job/community impacts.
• Analyze continuity and change in Canada’s energy systems and describe interrelationships among technology, markets, environmental limits, and Indigenous energy partnerships.

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

• Explain how civic participation strengthens a democratic society.
• Compare key features of democratic and authoritarian government systems.
• Analyze how laws, rights, and responsibilities relate to everyday civic life.+ Show more

Learning Objectives

• Explain how density targets, mixed-use development, greenbelt policies, and infill work together in growth management
• Analyze how population growth and market incentives create environmental and fiscal pressures
• Evaluate how equity and Indigenous land-use considerations can shape growth management decisions

Learning Objectives

• Identify key indicators that help describe whether a community is liveable, such as access to services, green space, health outcomes, and social inclusion
• Explain how planning decisions and economic or demographic factors can lead to improved well-being or increased inequality
• Analyze how interrelationships among housing, employment, transit, and environmental health shape quality of life

Learning Objectives

• Evaluate how extraction and use of Earth resources can alter habitats, landforms, erosion patterns, pollution pathways, and material cycles.
• Compare mineral mining, fossil fuel extraction, and water withdrawal by identifying their likely environmental effects.
• Use sustainability criteria (renewability, cumulative effects, reclamation potential, and trade-offs) to support evidence-based judgments.

Learning Objectives

• Explain how the rock cycle connects igneous, sedimentary, and metamorphic rocks through specific processes.
• Describe the energy sources and rate factors that drive rock cycle transitions over geologic time.
• Use field evidence (foliation, sedimentary layering, igneous intrusions) to infer which rock-cycle pathway may have occurred.+ Show more