Grade 9 Worksheets

Learning Objectives

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

Learning Objectives

• Explain how tone is created through language choices, pacing, and sound effects.
• Analyze how voice quality and word emphasis influence perceived attitude and credibility.
• Track tone shifts across segments to interpret changes in meaning and reader response.

Learning Objectives

• Distinguish physical properties and chemical properties of matter and explain what each suggests about possible changes
• Differentiate physical changes from chemical changes using evidence such as product formation, energy change, and observable indicators
• Apply observations (color, texture, temperature, gas/precipitate formation) to justify whether a change is physical or chemical+ Show more

Learning Objectives

• Identify claims made in spoken advertisements.
• Assess whether supporting evidence effectively backs these claims.
• Detect bias and loaded language in spoken messages.+ Show more

Learning Objectives

• Explain how seafloor spreading and subduction zones shape Earth’s surface features.
• Interpret evidence for plate tectonics using geologic cross-sections and seafloor magnetic anomalies.
• Connect tectonic forces to deformation, faulting, and resulting topography.

Learning Objectives

• Interpret seismic waveforms to identify different wave types.
• Distinguish between P-waves and S-waves in seismic data.
• Understand how travel-time curves help locate earthquake epicenters.+ Show more

Learning Objectives

• Explain how water moves through Earth’s water cycle using evaporation, condensation, precipitation, and runoff
• Describe how carbon shifts among the atmosphere, living things, oceans, and rocks through major processes
• Connect solar radiation and Earth’s energy balance to weather and temperature+ Show more

Learning Objectives

• Explain how evidence synthesis connects quotations, paraphrases, and data to reasoning in a unified argument or explanation.
• Identify how framing sentences help prove, complicate, or qualify a controlling idea.
• Practice scholarly attribution by distinguishing a source’s evidence from the writer’s analysis.

Learning Objectives

• Understand the concept of fitness in biological terms.
• Identify traits that influence an organism's survival in its environment.
• Explain how natural selection acts on heritable traits to shape populations over time.

Learning Objectives

• Explain how plate convergence and continental collision can fold, thicken, and uplift crust to form mountains.
• Identify key mechanisms of mountain building, including thrust faulting, crustal shortening, and magmatic intrusion.
• Describe how weathering and erosion transport sediments and how rock and structure patterns reveal tectonic history.

Learning Objectives

• Understand how chemical reactions involve energy changes such as endothermic and exothermic processes.
• Describe how bond breaking and formation affect potential and kinetic energy during reactions.
• Interpret energy diagrams and relate molecular-level interactions to observable temperature and phase changes.+ Show more

Learning Objectives

• Identify the main components of the water cycle
• Describe processes such as evaporation, condensation, precipitation, infiltration, runoff, and groundwater flow
• Understand how residence time varies in different water reservoirs+ Show more

Learning Objectives

• Explain what an ecological niche includes (resources, space, role in energy flow, and tolerance to conditions).
• Use niche concepts to predict how competition and environmental change can reorganize communities.
• Describe how niches support coexistence or competition, affecting which organisms persist in an ecosystem.

Learning Objectives

• Interpret multiple lines of evidence supporting the theory of evolution, including fossil records, comparative anatomy, biogeography, and molecular data.
• Describe mechanisms like natural selection, genetic drift, gene flow, and mutation that alter allele frequencies and lead to adaptation.
• Employ models linking selective pressures to population responses and evaluate scenarios such as antibiotic resistance and morphological change.

Learning Objectives

• Explain how fossil evidence, anatomical comparisons, and molecular data each contribute to understanding evolutionary history.
• Differentiate homologous structures from analogous structures and relate each to shared ancestry or convergent evolution.
• Describe how molecular sequence comparisons can help estimate divergence timing among lineages.

Learning Objectives

• Explain how reproductive isolation and geographic separation can lead to speciation.
• Compare allopatric and sympatric speciation using key mechanisms and outcomes.
• Identify how genetic divergence and diagnostic traits form during speciation.+ Show more

Learning Objectives

• Differentiate divergent, convergent, and transform plate boundaries based on plate motion and typical landforms.
• Explain how each boundary type relates to earthquakes, volcanism, and crustal deformation.
• Use spatial patterns of trenches, ridges, arcs, and fault zones to infer boundary processes over geologic time.

Learning Objectives

• Explain how crust, mantle, and core form concentric layers in Earth and how lithosphere and asthenosphere behave differently
• Describe how density, temperature, and pressure change with depth and how those changes affect material motion
• Use seismic waves and gravity measurements to infer Earth’s internal structure and composition+ Show more

Learning Objectives

• Understand how gravity influences planetary and lunar motion in the solar system.
• Describe the relationship between orbital speed, distance from the Sun, and gravitational force.
• Explain how gravitational attraction provides the centripetal force for orbiting bodies.+ Show more

Learning Objectives

• Understand the hierarchy from molecules to organisms
• Identify the properties of each level of biological organization
• Explain how emergent properties develop at higher levels+ Show more

Learning Objectives

• Explain mechanical advantage as a ratio of load force to input force and connect it to how machines move loads.
• Calculate and interpret mechanical advantage for lever and pulley systems, noting the force–distance trade-off.
• Use real-world examples (e.g., bale lifters and scaffold hoists) to predict how design choices affect safety and required input effort.

Learning Objectives

• Explain how text synthesis combines ideas from multiple sources to respond to a prompt.
• Identify similarities and differences across texts and connect them using evidence.
• Write a synthesized response that goes beyond summary by showing relationships among ideas.

Learning Objectives

• Understand the basic concept of energy conservation
• Identify system boundaries in energy systems
• Explain the importance of energy bookkeeping+ Show more

Learning Objectives

• Describe the main stages of stellar evolution from star formation to end states.
• Explain the significance of Hertzsprung-Russell diagrams and spectral classification in understanding stars.
• Identify different stellar end states such as white dwarfs, neutron stars, and black holes.+ Show more

Learning Objectives

• Explain how population growth or decline changes the provision and distribution of services, housing, and infrastructure in communities.
• Analyze how demographic shifts affect healthcare access, education demand, transportation networks, and social cohesion.
• Evaluate how policy decisions influence equity, governance, and community resilience, including priorities in First Nations, Métis, and Inuit communities.

Learning Objectives

• Explain conservation of energy using system boundaries and energy transfers for closed and open systems.
• Use energy accounting (reservoirs and transfers) to reason about changes in total energy.
• Interpret energy flow ideas and apply them to electrical and chemical process examples.+ Show more

Learning Objectives

• Explain how surface currents and thermohaline circulation redistribute heat across the oceans
• Describe how gyres, upwelling zones, and boundary currents influence regional climate and ecosystems
• Evaluate how changes in ocean circulation can create feedbacks that affect warming and extreme weather

Learning Objectives

• Define academic precision and explain why it strengthens claims in formal writing.
• Identify and correct vague or inaccurate word choices that weaken meaning.
• Apply strategies for consistent terminology and appropriate emphasis across a paragraph.

Learning Objectives

• Explain how climate variability differs from long-term climate trends
• Describe how ocean-atmosphere interactions (El Niño and La Niña) can shift weather patterns
• Use evidence from multiple timescales to distinguish natural variability from sustained climate change

Learning Objectives

• Explain how Roman expansion led to the creation of provinces and new political challenges.
• Describe key features of Roman governance, law, infrastructure, and military organization.
• Analyze major causes and effects of the decline of the Western Roman Empire.

Learning Objectives

• Understand short-term effects of various substances
• Identify how substances can alter perceptions and mood
• Recognize signs of substance influence on the body

Learning Objectives

• Explain the concept of motion in a plane using vectors
• Decompose displacement and acceleration into perpendicular components
• Describe projectile trajectories and predict their behavior+ Show more

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

• Explain how trophic interactions can produce indirect effects and trophic cascades in ecosystems
• Use ideas of feedback loops, material fluxes, and thresholds to predict ecosystem responses to disturbances
• Interpret simplified population and nutrient dynamics to evaluate resilience, recovery, and regime shifts+ Show more

Learning Objectives

• Explain the process of meiosis and how it leads to genetic variation.
• Describe Mendelian inheritance patterns and predict offspring genotypes and phenotypes using Punnett squares.
• Identify deviations from Mendelian inheritance such as incomplete dominance, codominance, and linkage.+ Show more

Learning Objectives

• Explain how molecular and cellular processes can scale up to affect organ function.
• Construct a multi-level cause-and-effect account linking genetic variation to disease outcomes.
• Interpret relationships among biochemical, histology, and organ-function data in an integrated physiology context.

Learning Objectives

• Identify quotations and concrete textual details that support a claim about theme or meaning.
• Explain how evidence strengthens an interpretation by linking the detail to reasoning.
• Distinguish between evidence-quality details (specific, relevant) and vague impressions.

Learning Objectives

• Understand the process of chemical reactions.
• Identify reactants and products in chemical equations.
• Learn how bonds break and form during reactions.+ Show more

Learning Objectives

• Define what carbon records are and their importance in climate science
• Identify sources and proxies used to measure past atmospheric carbon
• Understand how natural and human activities impact carbon levels in the atmosphere+ Show more

Learning Objectives

• Describe the main processes involved in atmospheric and oceanic energy transfer.
• Interpret global energy budget diagrams and flux tables to understand climate variability.
• Relate energy partitioning to observable climate indicators such as surface temperature and sea surface temperature anomalies.+ Show more

Learning Objectives

• Explain how the spatial distribution of natural resources affects settlement patterns and regional economic activities.
• Analyze how access to resources influences environmental policies and global interdependence.
• Interpret evidence from maps and descriptions of minerals, forests, water, and fossil fuels to draw conclusions.

Learning Objectives

• Explain the process of electron transport in mitochondria and chloroplasts.
• Identify key components involved in electron transfer and ATP synthesis.
• Distinguish between mitochondrial and chloroplast electron transport pathways.

Learning Objectives

• Understand the process of dissolution and factors affecting solubility.
• Identify differences between saturated, unsaturated, and supersaturated solutions.
• Explain how temperature and agitation influence solubility.+ Show more

Learning Objectives

• Explain how inherited variation among individuals can affect survival and reproduction in a given environment
• Describe how differences in fitness can change the traits of a population over multiple generations
• Use key terms such as inherited traits, fitness, and adaptation to interpret natural selection in real-world examples

Learning Objectives

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

Learning Objectives

• Distinguish producers, consumers, and decomposers and explain their roles in energy transfer and nutrient cycling
• Interpret food chains and food webs to describe how energy flows through trophic levels
• Explain trophic efficiency and trophic cascades and how they affect biomass distribution and ecosystem productivity

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 the basics of demography and how birth rate, death rate, and migration affect population change
• Describe how population data is collected and why accurate measurements matter for planning and sustainability
• Use demographic concepts to interpret statements about trends in population growth and age structure