Grade 9 Worksheets

Learning Objectives

• Explain how genes and chromosomes contribute to inheritance.
• Distinguish mitosis from meiosis by their biological outcomes.
• Explain how cell division contributes to genetic variation.+ Show more

Learning Objectives

• Identify research questions related to real biological diversity problems.
• Formulate predictions and examine scientific investigation methods.
• Interpret observations and data to develop evidence-based explanations.+ Show more

Learning Objectives

• Compare sexual and asexual reproduction using documented scientific examples.
• Explain how inherited characteristics are transmitted between generations.
• Distinguish inherited variation from environmentally influenced characteristics.+ Show more

Learning Objectives

• Describe Canadian contributions to space technology and scientific research.
• Explain Canada's involvement in international space cooperation.
• Compare scientific and economic benefits of real space projects.+ Show more

Learning Objectives

• Identify inherited variation within species using ecological examples.
• Explain how inherited differences influence survival during environmental change.
• Analyze ecological niches and relationships between organisms.+ Show more

Learning Objectives

• Compare the information collected by optical and radio telescopes.
• Explain how satellites collect scientific information about Earth.
• Describe how geometric models support position determination.+ Show more

Learning Objectives

• Compare static electric charge with sustained electric current.
• Interpret documented historical examples of electrical principles.
• Explain how conductors affect the movement of electric charge.+ Show more

Learning Objectives

• Explain how scientific evidence contributed to changes in atomic models.
• Identify relationships between atomic number and electron arrangement.
• Connect periodic table position with chemical properties.+ Show more

Learning Objectives

• Identify scientific questions investigated in real space exploration projects.
• Examine predictions, investigation methods and scientific observations.
• Interpret scientific evidence and recognize uncertainty in conclusions.+ Show more

Learning Objectives

• Explain what the Silk Roads were and how they connected multiple regions
• Identify major types of goods and ideas that moved along these trade networks
• Analyze how trade encouraged cultural, economic, and technological exchange

Learning Objectives

• Understand ecological, economic, and health risks associated with genetic technologies.
• Evaluate trade-offs in adopting novel genetic approaches.
• Identify mitigation strategies and long-term monitoring methods.+ Show more

Learning Objectives

• Understand the interactions between land and water in ecosystem sustainability.
• Identify indicators of ecosystem resilience, nutrient cycling, and productivity.
• Evaluate land-use practices such as irrigation, terracing, and urban development on ecosystems.+ Show more

Learning Objectives

• Understand the three main states of matter: solid, liquid, and gas.
• Describe the particles and arrangements characteristic of each state.
• Explain phase transitions such as freezing, evaporation, and condensation.+ Show more

Learning Objectives

• Understand how simple machines combine to form compound machines
• Learn methods to calculate overall mechanical advantage using force and displacement
• Differentiate between ideal and actual mechanical advantage+ Show more

Learning Objectives

• Understand the roles of insulin and glucagon in blood glucose regulation.
• Describe how endocrine feedback loops maintain metabolic homeostasis.
• Identify tissues involved in glucose uptake and release.+ Show more

Learning Objectives

• Understand the mechanisms linking oceanic and atmospheric variability in climate phenomena.
• Interpret time-series analyses and lag-correlation maps related to ocean and atmosphere.
• Explain how ocean heat content influences atmospheric circulation and regional climates.+ Show more

Learning Objectives

• Explain how fossil records provide evidence of past life using preservation, stratigraphy, and dating methods.
• Distinguish between relative age and absolute age and describe how radiometric dating supports timelines.
• Evaluate how taphonomy and preservation bias affect what organisms appear in the fossil record.

Learning Objectives

• Define chemical properties and identify common examples.
• Explain signs that indicate a chemical change has occurred.
• Differentiate between physical and chemical changes based on reaction evidence.+ Show more

Learning Objectives

• Identify strong evidence in an informational text by locating specific quotations, data, and concrete details that support the central idea.
• Explain how analysis connects chosen evidence to the author’s purpose and interpretation using clear references to specific lines.
• Distinguish evidence-based reasoning from general impressions or unsupported opinions.

Learning Objectives

• Explain how different organelles coordinate to support cellular functions.
• Describe the flow of genetic information from nucleus to protein secretion.
• Identify the roles of mitochondria, lysosomes, and peroxisomes in maintaining homeostasis.+ Show more

Learning Objectives

• Understand the factors that influence population growth and decline.
• Identify density-dependent and density-independent factors affecting populations.
• Analyze how population patterns impact community structure and ecosystem dynamics.

Learning Objectives

• Understand the concepts of random and systematic uncertainty in measurements.
• Learn how to quantify uncertainty using statistical descriptors such as standard deviation and standard error.
• Apply basic error propagation methods to combined quantities.+ Show more

Learning Objectives

• Explain how impulse relates to changes in force and collision time in collision safety design.
• Interpret a force-time idea to describe how longer stopping time can reduce peak force and acceleration.
• Describe how energy dissipation and staged deformation help protect people in high-impact events.+ Show more

Learning Objectives

• Understand the symbols and conventions used in pedigree charts.
• Identify inheritance patterns such as autosomal dominant, autosomal recessive, X-linked, and mitochondrial.
• Analyze pedigree data to determine likely modes of inheritance.+ Show more

Learning Objectives

• Understand the structure and function of different classes of levers
• Identify the components and principles of levers
• Explain how levers modify force and displacement to achieve mechanical advantage+ Show more

Learning Objectives

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

Learning Objectives

• Distinguish between contact forces and non-contact forces
• Identify examples of different types of forces
• Understand how forces act on objects in different scenarios

Learning Objectives

• Define what compound machines are and identify examples
• Explain how simple machines combine to form compound machines
• Calculate overall mechanical advantage considering force and distance+ Show more

Learning Objectives

• Understand the differing narratives of Indigenous peoples and settlers regarding contact, treaties, and colonization.
• Analyze how historical perspectives influence perceptions of change and conflict.
• Recognize the importance of Indigenous voices in interpreting Canada's colonial history.+ Show more

Learning Objectives

• Understand the relationships between displacement, velocity, and acceleration in straight-line motion.
• Interpret position–time and velocity–time graphs for uniform and accelerated motion.
• Apply kinematic equations to solve problems involving constant acceleration.+ Show more

Learning Objectives

• Understand the concept of ecosystem services and their importance to human well-being.
• Identify different types of ecosystem services and how biodiversity supports them.
• Evaluate human impacts on ecosystem services and the resulting trade-offs.

Learning Objectives

• Understand the different types of plate boundaries and their surface expressions.
• Identify characteristic features associated with divergent, convergent, and transform margins.
• Interpret geologic evidence such as seafloor age patterns and paleomagnetic stripes.+ Show more

Learning Objectives

• Understand the development and purpose of treaties and colonial policies affecting Indigenous communities.
• Analyze the impacts of land rights policies on Indigenous societies and sovereignty.
• Evaluate the negotiation process and terms involved in treaties.+ Show more

Learning Objectives

• Understand the mechanisms by which heritable variation contributes to differential survival and reproduction
• Identify and explain examples of natural selection, such as beak morphology shifts and bacterial resistance
• Analyze models of fitness and allele frequency changes related to different types of selection+ Show more

Learning Objectives

• Explain how engineering design criteria and constraints guide the development of solutions
• Identify how scientific principles, models, and evidence connect design features to expected performance
• Use measurable requirements to justify whether a design meets safety and performance goals

Learning Objectives

• Understand how the nervous and endocrine systems coordinate responses to stimuli.
• Describe the roles of nerve impulses and hormones in maintaining homeostasis.
• Explain the interaction between neural and hormonal pathways in response regulation.+ Show more

Learning Objectives

• Explain how momentum depends on mass and velocity using p = mv
• Use conservation of momentum to predict motion in collisions and explosions
• Compare elastic and inelastic collisions in terms of momentum and kinetic energy

Learning Objectives

• Describe the main steps involved in glycolysis.
• Identify key intermediates and energy changes during glycolysis.
• Explain the difference between aerobic and anaerobic pathways after glycolysis.+ Show more

Learning Objectives

• Understand the historical significance of Cesar Chavez's activism for farmworkers' rights.
• Identify key vocabulary related to civil rights and social justice movements.
• Analyze how grassroots organizing and nonviolent resistance can influence societal change.+ Show more

Learning Objectives

• Understand the significance of personal narratives in fostering empathy and awareness.
• Analyze stories that reflect resilience and authenticity within the transgender community.
• Recognize inclusive language and its role in promoting equality.+ Show more

Learning Objectives

• Analyze the strategies used in historical and contemporary activism.
• Evaluate the effectiveness of different methods of social change.
• Develop ideas for meaningful community engagement and activism.+ Show more

Learning Objectives

• Interpret paleoclimate evidence from various proxy records such as ice cores, tree rings, marine sediments, and speleothems.
• Understand proxy indicators like isotopic ratios, growth increments, and microfossil assemblages.
• Relate proxy records to past climate variability, including glacial-interglacial cycles and abrupt climate events.+ Show more

Learning Objectives

• Use quantitative and qualitative criteria to compare competing engineering design solutions.
• Explain how life-cycle cost, manufacturability, and environmental impact affect design choices.
• Apply uncertainty and sensitivity reasoning when ranking alternatives using documented assumptions.+ Show more

Learning Objectives

• Explain how heritable traits can change in frequency due to differential survival and reproduction.
• Identify how environmental conditions determine which traits are advantageous.
• Use models to connect trait variation, reproduction, and changing phenotype proportions over generations.+ Show more

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

• Understand measures of dispersion such as variance, interquartile range, and range.
• Explain how variability influences confidence in statistical estimates.
• Interpret overlaps in distribution shapes and effects on hypothesis testing.+ Show more

Learning Objectives

• Describe the various types of natural hazards and their causes.
• Identify geologic and atmospheric indicators used to assess hazard risk.
• Interpret hazard maps and recurrence intervals to evaluate potential impacts.+ Show more

Learning Objectives

• Explain the origin and characteristics of magnetic fields from permanent magnets and moving electric charges.
• Understand how magnetic field lines indicate direction and strength of magnetic fields.
• Describe real-world applications of magnetic fields, including compass navigation and industrial sensing.+ Show more