Grade 9 Worksheets

Learning Objectives

• Explain major sources of genetic variation, including mutation, recombination during meiosis, gene flow, and chromosomal rearrangements.
• Describe how different mechanisms can increase or decrease genetic diversity in populations.
• Use real-world examples to predict how genetic variation affects evolutionary change and responses to environmental pressures.

Learning Objectives

• Identify and contrast static and kinetic friction, including how each relates to surface properties and normal force
• Explain how fluid drag depends on velocity, cross-sectional area, and medium density, including low-speed (linear) vs high-speed (quadratic) regimes
• Use coefficients of friction and resistive-force ideas to describe net force and energy dissipation in real situations

Learning Objectives

• Explain how Earth’s magnetic field originates and why it behaves like a giant dipole
• Describe how magnetic declination and dip affect navigation, mapping, and compass readings in real regions
• Interpret how auroras and ionospheric phenomena relate to charged particles and Earth’s magnetic environment+ Show more

Learning Objectives

• Identify key factors that contribute to regional development, including resources, infrastructure, and policy.
• Explain how geographic constraints and opportunities influence economic growth and settlement patterns.
• Evaluate how infrastructure and governance affect quality of life in different regions.

Learning Objectives

• Understand how the circulatory and respiratory systems work together to supply oxygen and remove carbon dioxide.
• Analyze the feedback mechanisms involved in homeostasis, such as thermoregulation and acid-base balance.
• Describe how neural and endocrine responses coordinate to maintain internal stability during activity and stress.

Learning Objectives

• Describe how atmospheric forcing influences geomorphic change and soil development.
• Identify and explain key surface process mechanisms such as chemical weathering, mass wasting, and sediment transport.
• Analyze examples of surface modification including alluvial fan formation and coastal erosion.+ Show more

Learning Objectives

• Identify common sources of systematic and random error, including instrument bias, sampling limitations, confounding, and model mis-specification.
• Use evidence such as cross-method comparisons and residual patterns to detect potential bias or model problems.
• Explain how sensitivity analyses and quantified uncertainty affect the robustness of conclusions and the comparison of alternative explanations.

Learning Objectives

• Understand the concept of mathematical models in scientific systems
• Learn how to formulate basic algebraic models for real-world scenarios
• Develop skills to interpret and analyze models' outputs+ Show more

Learning Objectives

• Explain how the particulate model describes solids, liquids, and gases using particle motion and spacing
• Use particle ideas to predict changes in diffusion, pressure, and temperature
• Identify how particle collisions relate to energy transfer and pressure

Learning Objectives

• Analyze how changes in viewpoint (narration, focalization, and character interpretation) reshape meaning in a text.
• Compare two perspectives on the same event to support a nuanced claim about theme or author intent.
• Use perspective-related evidence (what a character knows, notices, or assumes) to explain changes in interpretation over time.

Learning Objectives

• Use connecting words and phrases to show addition, contrast, cause, and sequence in writing.
• Maintain consistent referents for nouns and pronouns to improve clarity.
• Strengthen coherence by matching sentence beginnings and endings to reduce abrupt shifts.

Learning Objectives

• Understand the key components involved in navigating health care systems.
• Identify proper procedures for appointment scheduling, referrals, and insurance claims.
• Recognize the importance of system literacy in improving health outcomes.+ Show more

Learning Objectives

• Differentiate physical changes from chemical changes using observable evidence such as color, temperature, texture, and product formation
• Identify physical properties and chemical properties of matter and explain how they relate to observed behavior
• Predict whether a described process is likely physical or chemical based on evidence and particle-level reasoning+ Show more

Learning Objectives

• Understand the hierarchical structure and purposes of biological classification systems.
• Identify shared traits and evolutionary relationships used in classifying organisms.
• Differentiate between traditional taxonomy and modern phylogenetic approaches.+ Show more

Learning Objectives

• Identify the key resource-based industries that contributed to regional economic development in Canada.
• Understand the impact of forestry on regional identities and economic growth.
• Analyze the effects of industrialization on land use and Indigenous participation in regional economies.+ Show more

Learning Objectives

• Understand the concept of similar figures and their properties.
• Apply ratio and proportion techniques to solve real-world problems.
• Use scale factors to determine lengths and measurements in similar figures.+ Show more

Learning Objectives

• Explain how nucleic acid sequences can encode amino acid sequences and lead to specific protein structures.
• Describe how protein structure relates to cellular architecture and function in ribosomes, endoplasmic reticulum, and mitochondria.
• Use evidence to connect macromolecular structure to mechanical and catalytic roles in specialized cells.

Learning Objectives

• Explain the three main ideas of cell theory and how they connect to living organisms
• Compare unicellular and multicellular organization in terms of structure and function
• Distinguish prokaryotic and eukaryotic cell features and relate structure to function+ Show more

Learning Objectives

• Describe the nature and effects of static and kinetic friction.
• Explain how surface properties and normal force influence friction.
• Analyze real-world examples of friction's role in motion and energy transfer.+ Show more

Learning Objectives

• Understand the fundamental principles of scaling laws and dimensional similarity.
• Apply proportional reasoning to construct models and interpret data across different scales.
• Analyze how nonlinearity and scale-dependent effects influence predictions in scientific models.+ Show more

Learning Objectives

• Explain how uncertainty can be displayed on graphs using error bars, uncertainty bands, and annotated ranges in tables.
• Interpret whether differences between conditions are meaningful by comparing overlaps (or lack of overlap) in uncertainty.
• Use uncertainty reasoning to support or question conclusions about trends in scientific data.

Learning Objectives

• Understand the various types of evidence supporting evolution
• Analyze fossil records and their significance in tracing evolutionary history
• Compare anatomical features across species to identify homologies+ Show more

Learning Objectives

• Explain how neurons and synapses transmit information using action potentials and neurotransmitters
• Describe how myelination and neural circuit organization affect conduction velocity and information processing
• Compare roles of reflex arcs and autonomic pathways in maintaining coordinated organ function

Learning Objectives

• Explain the main idea of electron transport and its purpose in cells.
• Identify and use key vocabulary related to electron carriers, proton pumping, and ATP production.

Learning Objectives

• Analyze the risk factors associated with natural hazards such as earthquakes, volcanic eruptions, tsunamis, hurricanes, and floods.
• Evaluate historical records and probabilistic models to assess community and infrastructure vulnerability.
• Understand hazard mapping, return-period data, and mitigation strategies to inform risk assessment.+ Show more

Learning Objectives

• Explain how DNA, genes, and chromosomes are related in storing and passing genetic information.
• Describe how chromosome inheritance during cell division helps maintain traits across generations.
• Use evidence from DNA and gene structure to predict how mutations can lead to variation among individuals.

Learning Objectives

• Understand how to perform addition, subtraction, multiplication, and division with integers.
• Apply integer operations to solve real-world problems involving financial transactions and temperature changes.
• Develop strategies for accurate computation and reasoning with integers.+ Show more

Learning Objectives

• Explain how modulation and multiplexing map source information onto carrier signals in different communication channels.
• Compare pulse-code modulation (PCM) and analog amplitude modulation by bandwidth, fidelity, and noise susceptibility.
• Identify how different multiplexing schemes (TDM, FDM, WDM) affect channel capacity and signal integrity.

Learning Objectives

• Analyze key events that shaped relationships between Indigenous peoples and settlers.
• Identify factors that contributed to periods of cooperation and conflict.
• Understand the impacts of territorial disputes and resource competition on social stability.+ Show more

Learning Objectives

• Understand how atmospheric conditions influence observable weather patterns.
• Analyze relationships between temperature, humidity, wind, and pressure.
• Interpret data sets related to weather and climate variability.+ Show more

Learning Objectives

• Identify how informational texts connect ideas using reasoning, comparison, contrast, and sequence
• Explain how cause-and-effect language structures meaning in a text
• Determine how a later claim follows earlier information

Learning Objectives

• Analyze spatial and temporal climate datasets to identify long-term trends and anomalies.
• Apply statistical trend analysis, composite mapping, and signal-to-noise reasoning in climate data interpretation.
• Interpret potential climate drivers by comparing data with forcings such as greenhouse gases and volcanic aerosols.+ Show more

Learning Objectives

• Represent reactants and products using symbolic chemical equations
• Explain why chemical equations must be balanced to satisfy conservation of atoms
• Use balanced equations to interpret relative amounts of substances in reactions

Learning Objectives

• Characterize physical changes as alterations in state or form that do not change chemical identity.
• Distinguish reversible and irreversible physical transformations using everyday examples.
• Explain how energy transfer accompanies phase changes and how it relates to observable macroscopic changes.+ Show more

Learning Objectives

• Analyze Indigenous narratives related to contact and colonization.
• Identify differences between Indigenous and settler perspectives.
• Develop awareness of the importance of Indigenous voices in history.

Learning Objectives

• Explain ecosystem services and distinguish provisioning, regulating, cultural, and supporting services.
• Analyze how biodiversity helps maintain ecosystem services such as pollination, water purification, nutrient cycling, and carbon sequestration.
• Evaluate how land-use change, pollution, and climate shifts can reduce ecosystem service capacity and alter where services are delivered.+ Show more

Learning Objectives

• Identify series and parallel components within a mixed (combined) circuit
• Calculate equivalent resistance and use it to find total current and voltage relationships
• Trace how current and voltage distribute across parallel branches in combined circuits+ Show more

Learning Objectives

• Identify relationships between words, including synonyms, antonyms, and category relationships.
• Determine how context shapes connotation and figurative meaning in academic reading.
• Analyze word parts (prefixes, suffixes, roots) to infer meaning of unfamiliar vocabulary.+ Show more

Learning Objectives

• Identify SMART goal elements and explain how they improve planning
• Evaluate statements about motivation, perseverance, and self-reflection
• Apply goal-setting strategies to personal holiday and school contexts+ Show more

Learning Objectives

• Explain how water moves through Earth’s reservoirs using evaporation, condensation, precipitation, runoff, and groundwater recharge.
• Describe how carbon shifts among the atmosphere, living things, oceans, and rocks through photosynthesis, respiration, and chemical exchange.
• Connect Earth’s radiation balance (incoming solar energy and outgoing infrared energy) to temperature, weather, and cycle rates.

Learning Objectives

• Understand the basic process of DNA replication
• Identify key terms associated with DNA replication
• Explain the roles of enzymes involved in DNA copying+ Show more

Learning Objectives

• Understand the concept of chemical reactions and bonds
• Identify reactants and products in chemical equations
• Interpret symbolic representations of reactions including state symbols and coefficients+ Show more

Learning Objectives

• Explain the purposes and key terms of treaties and how they were negotiated.
• Analyze how colonial policies affected Indigenous land rights, social structures, and sovereignty.
• Evaluate how treaties and policies contributed to displacement and ongoing conflicts, using Indigenous perspectives.

Learning Objectives

• Understand how external forces influence the motion of objects.
• Analyze free-body diagrams to identify net forces and predict acceleration.
• Apply Newton's second law to various scenarios involving forces and motion.+ Show more

Learning Objectives

• Explain how epistasis and pleiotropy can change inheritance patterns compared with simple Mendelian ratios.
• Describe how penetrance, expressivity, linkage, and environment can affect genotype-to-phenotype outcomes.
• Analyze inheritance scenarios to predict why observed traits may not match expected Mendelian probabilities.

Learning Objectives

• Calculate work using force, displacement, and angle
• Identify the force component parallel to displacement
• Distinguish constant-force and variable-force work+ Show more

Learning Objectives

• Identify action–reaction force pairs acting on different objects
• Explain equal-magnitude and opposite-direction forces in interaction pairs
• Apply force-pair reasoning to propulsion and collisions+ Show more

Learning Objectives

• Interpret position–time graph slope as velocity
• Interpret velocity–time graph slope as acceleration
• Determine displacement from velocity–time graph area+ Show more