Grade 9 Worksheets

Learning Objectives

• Explain how an iteration loop uses test evidence to improve a design repeatedly until it meets criteria.
• Describe how design cycle changes (dimensions, materials, alignment, and component interactions) relate to observed test results.
• Evaluate reliability and safety margin considerations during repeated revisions.

Learning Objectives

• Understand how external forces influence the motion of objects.
• Interpret force diagrams and apply Newton's Second Law to various scenarios.
• Describe the relationship between net force and acceleration.+ Show more

Learning Objectives

• Understand how carbon records from various proxies reveal past atmospheric conditions.
• Identify the methods used to analyze past greenhouse gas concentrations and climate variability.
• Evaluate the significance of combining proxy data with instrumental measurements to assess recent climate change.+ Show more

Learning Objectives

• Understand the differences between optical and electron microscopes
• Explain key concepts of magnification, resolution, and contrast
• Identify factors affecting image interpretation such as scale bars and staining artifacts+ Show more

Learning Objectives

• Understand how gravity influences the motion of celestial bodies in space.
• Explain the relationship between mass, distance, and orbital speed.
• Describe how observed orbital patterns support gravitational theories.+ 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

• Celebrate the contributions of diverse inventors, especially women and marginalized groups.
• Understand the creative process behind groundbreaking inventions.
• Recognize how inventions like medical devices and communication tools influence society.+ Show more

Learning Objectives

• Learn about the genetic and environmental factors behind rare diseases.
• Recognize the challenges faced by individuals and communities affected by rare diseases.
• Understand the role of research, ethics, and advocacy in addressing rare diseases.+ Show more

Learning Objectives

• Explore the historical and cultural roots of Groundhog Day.
• Understand how folklore influenced weather predictions and community traditions.
• Analyze the significance of Groundhog Day in society and its reflection of collective values.+ Show more

Learning Objectives

• Understand the differences between static and kinetic friction and how they resist motion.
• Describe how fluid drag depends on velocity, surface area, and medium density.
• Apply the concepts of friction and drag to real-world motion scenarios involving energy dissipation.

Learning Objectives

• Understand Newton's third law and how forces occur in pairs between objects.
• Describe real-world examples of action-reaction forces and their effects on motion.
• Explain why paired forces act on different objects and do not cancel each other within a single object.+ Show more

Learning Objectives

• Understand key atmospheric processes that influence regional climate and weather.
• Describe how solar radiation, wind, ocean currents, air masses, and orographic effects shape climate contrasts.
• Analyze the impacts of climate variability on habitats and ecosystems.+ Show more

Learning Objectives

• Understand the concepts of impulse, force, and energy dissipation in collision scenarios.
• Analyze force‑time graphs to evaluate impact mitigation methods such as crumple zones and airbags.
• Describe how materials deform and dissipate energy during collisions to reduce peak forces.+ Show more

Learning Objectives

• Identify how essay introductions establish context and a controlling idea.
• Determine how body paragraphs develop reasons using evidence and explanation.
• Recognize common internal organization patterns such as chronological order, cause-and-effect, and compare-and-contrast.+ Show more

Learning Objectives

• Understand Mendelian inheritance, including dominant and recessive traits.
• Recognize non-Mendelian inheritance patterns such as incomplete dominance, codominance, and sex-linked traits.
• Analyze how environmental factors and gene linkage influence phenotypic variation.+ Show more

Learning Objectives

• Explain what phylogenetic trees depict in evolutionary biology.
• Identify key features of phylogenetic trees such as common ancestors and branching points.
• Differentiate between rooted and unrooted trees and their uses.+ Show more

Learning Objectives

• Explain how electron transport chains transfer electrons through sequential carriers to terminal electron acceptors
• Describe how proton pumping creates an electrochemical gradient that powers ATP synthase through chemiosmosis
• Compare electron transport in mitochondria and chloroplasts in terms of membrane location and end acceptors+ Show more

Learning Objectives

• Explore various cultural traditions and festivals that celebrate the arrival of spring.
• Analyze the social and emotional significance of spring festivals across different societies.
• Identify common themes of renewal, hope, and rebirth in global spring celebrations.+ Show more

Learning Objectives

• Understand the importance of empathy in fostering healthy relationships.
• Identify ways active listening and perspective-taking build stronger bonds.
• Reflect on personal experiences of kindness and understanding on Valentine's Day.+ Show more

Learning Objectives

• Understand how impulse and force-time relationships affect collision safety.
• Analyze force–time graphs to evaluate different mitigation strategies during impacts.
• Compare energy absorption and material deformation techniques for reducing peak forces.+ Show more

Learning Objectives

• Describe the main ideas of cell theory including the role of cells in all living organisms.
• Differentiate between unicellular and multicellular organisms and understand cell specialization.
• Compare prokaryotic and eukaryotic cell structures and explain how cellular organization underlies organism functions.

Learning Objectives

• Explain key global challenges (climate change, inequality, and education) and how they affect youth worldwide
• Analyze how civic engagement by young people can contribute to solutions
• Evaluate how global issues are interconnected and why responsible citizenship matters

Learning Objectives

• Analyze poetic devices such as metaphor and personification in poems about forests.
• Identify themes of environmental preservation and cultural significance in poetic works.
• Develop vocabulary related to nature and poetry.+ Show more

Learning Objectives

• Explain how St. Francis of Assisi’s compassion influenced people’s attitudes toward animals and nature.
• Identify key ideas about animal welfare, ethics, and environmental stewardship connected to empathy.
• Use information from a passage to answer questions and make inferences about responsible care.

Learning Objectives

• Understand the concept of center of mass and how it affects rotational stability of rigid bodies.
• Apply torque and equilibrium conditions to analyze stability in structures and objects.
• Calculate the location of the center of mass for composite systems and determine tipping thresholds.+ Show more

Learning Objectives

• Understand the basic components of an atom: protons, neutrons, electrons.
• Learn about electron configurations and quantized energy levels.
• Explore how the periodic table organizes elements based on valence electrons.+ Show more

Learning Objectives

• Understand the structure of ATP
• Explain how ATP stores and releases energy
• Describe the process of ATP regeneration+ Show more

Learning Objectives

• Understand how Earth's orbital relationships influence seasons and climate patterns.
• Identify the Moon's phases and the cycles that determine lunar illumination.
• Explain how gravitational interactions between Earth, Moon, and Sun drive tides and cyclic phenomena.

Learning Objectives

• Understand the concept of net force and how vector addition determines the resultant acceleration of objects.
• Analyze real-world scenarios involving opposing forces such as friction, air resistance, and applied loads.
• Calculate net force through vector analysis in practical Alberta situations like load tipping, vehicle deceleration, and rigging.+ Show more

Learning Objectives

• Understand how scalar and vector measures describe object motion.
• Identify and differentiate between speed, velocity, and acceleration.
• Apply unit conversions and sign conventions to analyze motion data.+ Show more

Learning Objectives

• Explain the concept of mechanical advantage and how it is used in different machines.
• Calculate mechanical advantage for levers, pulleys, and wheel systems.
• Analyze trade-offs between force reduction and displacement in mechanical systems.+ Show more

Learning Objectives

• Understand how to synthesize kinematic descriptions, force balances, and energy considerations in analyzing motion.
• Apply graphs, equations, and net-force reasoning to complex dynamic scenarios.
• Interpret integrated data to predict motion in transport and recreational contexts.+ Show more

Learning Objectives

• Understand the fundamental concepts of simple machines and how they reduce effort.
• Identify common examples and applications of lever, wheel and axle, pulley, inclined plane, and screw.
• Explain the difference between ideal mechanical advantage and actual mechanical advantage considering friction and support geometry.+ Show more

Learning Objectives

• Understand Newton's three laws of motion and their applications.
• Explain how forces affect the motion of objects in real-world contexts.
• Analyze and interpret motion patterns using Newtonian principles.+ Show more

Learning Objectives

• Explain the concept of force as an interaction capable of changing an object's motion.
• Identify and differentiate between contact and non-contact forces in real-world Alberta settings.
• Describe how magnitude and direction combine vectorially to represent forces.+ Show more

Learning Objectives

• Explain how work quantifies energy transfer through force and distance.
• Describe how simple machines modify force and distance to improve work efficiency.
• Identify real-world examples of levers, pulleys, and inclined ramps in Alberta contexts.+ Show more

Learning Objectives

• Explain the relationship between displacement, velocity, acceleration, and time using constant-acceleration equations.
• Apply standard motion equations to solve numerical problems involving vehicle stopping, ski descents, and falling objects.
• Use proper units and sign conventions when substituting values into motion equations.+ Show more

Learning Objectives

• Understand how friction and aerodynamic drag oppose motion and convert mechanical energy into thermal energy.
• Identify factors that influence friction and drag in various scenarios.
• Apply quantitative models using coefficients of friction and drag coefficients to estimate resistance forces.+ Show more

Learning Objectives

• Understand the fundamental principles of oxidation and reduction in chemical reactions.
• Identify how electron transfer affects oxidation states in redox reactions.
• Track changes in oxidation numbers to determine oxidizing and reducing agents.+ Show more

Learning Objectives

• Explain how Apollo 11 changed global views of science, technology, and what humans can achieve
• Analyze how lunar exploration and international collaboration influence present and future STEM opportunities
• Evaluate the environmental and ethical considerations connected to space exploration

Learning Objectives

• Explain Newton’s second law using net force, mass, and acceleration
• Predict the direction and magnitude of acceleration from unbalanced forces
• Apply vector ideas to describe how multiple forces combine to produce net acceleration

Learning Objectives

• Identify how insulin and glucagon change blood glucose levels.
• Explain the negative feedback loop idea using hormones and body tissues.
• Use key terms (insulin, glucagon, glycogenolysis, gluconeogenesis, beta cells, alpha cells) in context.

Learning Objectives

• Describe the biochemical pathways involved in cellular respiration, including glycolysis, the citric acid cycle, and electron transport chain.
• Explain the role of ATP in energy coupling within cells.
• Relate mitochondrial and chloroplast functions to metabolic fluxes and organismal energy balance.+ Show more

Learning Objectives

• Understand the conventions for representing forces in free-body diagrams.
• Identify and label different forces acting on isolated objects in various scenarios.
• Learn how to analyze net force and conditions for equilibrium or acceleration using free-body diagrams.+ Show more

Learning Objectives

• Understand the engineering strategies used to minimize peak force during collisions.
• Analyze force‑time graphs and impulse to evaluate impact mitigation methods.
• Identify various collision mitigation techniques like crumple zones, airbags, and padding.+ Show more

Learning Objectives

• Identify the purpose of an essay introduction, including context and a controlling idea
• Develop body paragraphs by explaining reasons using relevant evidence and analysis
• Use internal organization patterns (chronological, cause-and-effect, or compare-and-contrast) to strengthen clarity+ Show more

Learning Objectives

• Identify how purpose and audience affect word choice, tone, and level of detail in spoken communication.
• Select concrete examples and appropriate definitions when explaining abstract ideas to different audiences.
• Evaluate whether a spoken message matches the needs and expectations of a specific audience and purpose.

Learning Objectives

• Describe how electrons are distributed among energy levels and orbitals using electron configuration.
• Explain the significance of valence electrons in chemical bonding and reactivity.
• Identify patterns in the periodic table based on electron configurations.+ Show more