Grade 9 Science Worksheets

Learning Objectives

• Compare chemical measurements with biological observations
• Explain what pH reveals about an environment
• Interpret dissolved oxygen as environmental evidence+ Show more

Learning Objectives

• Compare electrical generation technologies using environmental and economic evidence.
• Identify resource demands associated with electrical storage technologies.
• Investigate benefits and unintended consequences of electrical technology projects.+ Show more

Learning Objectives

• Explain environmental chemistry problems using relevant evidence
• Identify uncertainty in environmental investigations
• Interpret alternative explanations of environmental evidence+ Show more

Learning Objectives

• Explain how predictions guide investigations of electrical technologies.
• Analyze observations and measurements used as scientific evidence.
• Compare testing methods used to improve electrical designs.+ Show more

Learning Objectives

• Identify evidence of chemical change in documented reaction examples.
• Explain chemical changes involving combustion and corrosion.
• Compare factors that influence chemical reaction rates.+ Show more

Learning Objectives

• Analyze how habitat changes affect biodiversity and population abundance.
• Explain how human activities influence genetic variation.
• Distinguish global extinction from regional disappearance.+ 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

• 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

• 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

• 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 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

• Explain how altitude and azimuth describe observed celestial positions.
• Interpret parallax observations as evidence of astronomical distance.
• Explain how Doppler observations reveal celestial motion.+ 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

• 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 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

• 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 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

• 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

• 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 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 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

• 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

Learning Objectives

• Use the constant-acceleration kinematic equations to relate displacement, time, velocities, and acceleration
• Apply sign conventions correctly when analyzing vertical free-fall and horizontal/vertical components of projectile motion
• Select and rearrange the appropriate equation to predict motion from given initial conditions

Learning Objectives

• Understand the relationships between Earth's, Moon's, and Sun's orbits and how they influence phenomena like seasons, lunar phases, and tides.
• Describe how Earth's axial tilt and orbital eccentricity generate seasonal and climate variations.
• Explain the cyclical nature of lunar phases and their relation to the Moon's orbit around Earth.+ Show more

Learning Objectives

• Understand different types of representation models used in science and engineering.
• Identify the purpose and features of various models like diagrams, graphs, and physical models.
• Explain how models simplify complex systems for understanding and analysis.+ Show more