Grade 9 Worksheets

Learning Objectives

• Understand the basic concepts of forces, including contact and non-contact forces.
• Identify and describe real-world examples of forces in Alberta settings.
• Apply qualitative reasoning to analyze opposing forces before numerical calculation.+ Show more

Learning Objectives

• Understand the principles of mechanical energy conservation and energy transfer mechanisms.
• Analyze real-world examples involving potential and kinetic energy conversions.
• Evaluate the impact of non-conservative forces, such as friction, on energy systems.+ Show more

Learning Objectives

• Explain how kinematic descriptions, force balances, and energy considerations integrate to analyze complex motion scenarios.
• Apply graphs, equations, and net-force reasoning to predict motion outcomes in transport contexts.
• Interpret combined physical principles in real-world Alberta transportation and recreational situations.

Learning Objectives

• Describe how objects move using scalar and vector measures such as speed, velocity, and acceleration.
• Explain the differences between speed, velocity, and acceleration with real-world examples.
• Apply unit conversions and sign conventions to analyze and compare motion in different regional contexts.+ Show more

Learning Objectives

• Explain how friction and aerodynamic drag oppose motion and convert mechanical energy into thermal energy.
• Describe the factors affecting friction on icy roads and gravel tracks.
• Identify the variables influencing aerodynamic drag on various structures.+ Show more

Learning Objectives

• Understand how to interpret displacement–time, velocity–time, and acceleration–time graphs.
• Learn how to determine physical quantities such as speed, acceleration, and displacement from graph slopes and areas.
• Identify curved segments in graphs that indicate changing acceleration.+ Show more

Learning Objectives

• Understand the concept of mechanical advantage and how it is expressed as a ratio.
• Calculate mechanical advantage for different machine types such as levers, pulleys, and wheel systems.
• Analyze trade-offs between force reduction and displacement increase in simple machines.+ Show more

Learning Objectives

• Understand the concept of net force as the vector sum of forces acting on an object.
• Apply principles of vector addition to analyze forces in practical scenarios.
• Evaluate the effects of opposing forces such as friction and air resistance on motion.+ Show more

Learning Objectives

• Describe the different types of simple machines and their functions.
• Explain how simple machines reduce effort and change the direction of force.
• Differentiate between ideal and actual mechanical advantage in systems involving simple machines.+ Show more

Learning Objectives

• Understand the concepts of power as the rate of energy transfer in various systems.
• Explain the meaning of efficiency in energy conversion and how it impacts system performance.
• Analyze real-world examples of power and efficiency in engineering applications like turbines, engines, and heating systems.+ Show more

Learning Objectives

• Understand Newton's three laws of motion and their practical implications.
• Identify real-world examples demonstrating Newtonian principles.
• Explain how forces influence motion in common regional contexts.+ Show more

Learning Objectives

• Explain the concept of work as energy transfer caused by a force acting through a distance.
• Describe how simple machines alter force, distance, and mechanical advantage in real-world Alberta contexts.
• Analyze the trade-offs between force reduction and distance increase in machine design and performance.

Learning Objectives

• Understand and apply constant-acceleration equations in various motion scenarios.
• Solve numerical problems involving displacement, velocity, acceleration, and time.
• Analyze real-world situations such as stopping distances and free fall using motion equations.+ Show more

Learning Objectives

• Understand the concept of relative motion and how velocities combine in different reference frames.
• Describe how observed speed and direction depend on the observer's frame of reference.
• Apply vector addition principles to various motion scenarios involving boats, trucks, and aircraft.+ Show more

Learning Objectives

• Understand how decision models incorporate economic, environmental, and social variables.
• Analyze trade-offs among greenhouse gas reduction, public health, and economic development.
• Evaluate the role of policy instruments such as carbon pricing and land-use planning in mitigation strategies.+ Show more

Learning Objectives

• Describe the processes involved in stellar formation and evolution.
• Identify the stages of stellar evolution from main sequence to terminal outcomes.
• Explain the use of Hertzsprung-Russell diagrams and spectral classification in understanding stars.+ Show more

Learning Objectives

• Describe the formation processes of the solar system from a protoplanetary disk.
• Identify key evidence supporting planetary formation theories, including meteorite composition and isotopic dating.
• Explain the differences between inner rocky planets and outer gas giants based on planetary differentiation and volatile content.+ Show more

Learning Objectives

• Understand key observational evidence constraining the age and expansion of the universe
• Identify the significance of redshift surveys, Hubble's law, and cosmic microwave background measurements
• Describe processes related to primordial element abundances and their role in cosmic chronology+ Show more

Learning Objectives

• Identify various prototyping methods and their applications.
• Understand how to select appropriate fidelity levels and materials for prototypes.
• Describe testing protocols and measures used during prototyping.+ Show more

Learning Objectives

• Understand the key components involved in framing constraints for engineering projects.
• Identify social, economic, and environmental factors impacting project design.
• Analyze stakeholder criteria, material availability, and regulatory restrictions.+ Show more

Learning Objectives

• Understand the application of mathematical and computational methods in system modeling.
• Analyze how parameters and variables influence system performance.
• Develop and evaluate models using spreadsheets and simple code simulations.+ Show more

Learning Objectives

• Understand the principles of comparative evaluation in engineering design.
• Identify quantitative and qualitative performance metrics for system assessment.
• Apply decision frameworks and matrices to evaluate design trade-offs.+ Show more

Learning Objectives

• Explain the processes of seafloor spreading, subduction zones, and volcanic arc systems.
• Connect mantle convection and faulting with surface features like mountain belts and bathymetry.
• Analyze geologic cross-sections and magnetic anomaly patterns as evidence for plate tectonics.+ Show more

Learning Objectives

• Understand the different types of surface processes that shape landscapes.
• Analyze the factors influencing the rates and patterns of weathering, erosion, and sediment transport.
• Evaluate examples of geomorphic change like coastal erosion and alluvial fan formation.+ Show more

Learning Objectives

• Describe the processes involved in the rock cycle, including melting, crystallization, erosion, and metamorphism.
• Identify examples of rock cycle processes, such as basalt formation, sandstone deposition, and metamorphic rocks.
• Explain how temperature, pressure, and fluid flow influence rock transformation and geologic timescales.+ 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

• Analyze and interpret hydrologic data related to erosion, transport, and deposition.
• Identify how river incision, coastal sediment dynamics, and glacial erosion shape landscapes.
• Understand how discharge records, sediment load measurements, and watershed maps support hydrologic studies.+ Show more

Learning Objectives

• Describe the layered structure of Earth's interior based on seismic evidence.
• Interpret the behaviors of P-waves and S-waves to understand Earth's composition.
• Explain the transfer of thermal energy within Earth and its impact on planetary processes.+ Show more

Learning Objectives

• Explain how solar flux, albedo differences, greenhouse gases, and ocean heat transport influence Earth’s climate.
• Analyze observational records, radiative transfer calculations, and paleoclimate proxies to attribute climate variability.
• Describe phenomena such as ice-sheet dynamics, El Niño–Southern Oscillation, and seasonal monsoon shifts in terms of climate drivers.+ Show more

Learning Objectives

• Explain the relationship between force, mass, and acceleration as described by Newton's second law.
• Analyze free-body diagrams to identify forces acting on objects in motion.
• Apply vector decomposition to determine forces and predict trajectories.+ Show more

Learning Objectives

• Understand the principle of conservation of linear momentum in isolated systems.
• Differentiate between elastic and inelastic collisions using vector sums.
• Calculate total momentum before and after interactions in various scenarios.+ Show more

Learning Objectives

• Understand the mathematical relationships governing gravitational and electrostatic forces.
• Apply inverse-square law formulas to calculate magnitudes of forces between objects.
• Determine the direction of forces using vector representation and Coulomb's and Newton's laws.+ Show more

Learning Objectives

• Understand the concepts of electric and magnetic fields and how they influence forces on charges and currents.
• Interpret field vectors and maps, and utilize field lines to represent direction and magnitude.
• Apply principles of superposition, forces, and motion curvature in uniform magnetic fields.+ Show more

Learning Objectives

• Understand the concept of adaptive radiation and its ecological significance.
• Identify key processes that drive diversification in species.
• Explain how ecological factors influence morphological and behavioral differentiation.+ Show more

Learning Objectives

• Understand the hierarchical structure of biological classification systems.
• Identify traditional and modern approaches to classifying living organisms.
• Compare morphological, developmental, and genetic data used in taxonomy.+ Show more

Learning Objectives

• Understand the fundamental mechanisms of evolution including natural selection, genetic drift, mutation, and gene flow.
• Explain how these mechanisms influence allele frequencies and lead to changes in populations over generations.
• Describe the long-term effects of evolution on traits and genetic diversity within species.

Learning Objectives

• Understand how DNA, RNA, and protein sequences provide insights into evolutionary relationships.
• Identify the significance of conserved genetic sequences and homologous genes in common ancestry.
• Explain how molecular clocks estimate divergence times between species.+ Show more

Learning Objectives

• Understand the concept of natural selection and its role in evolution.
• Identify examples of natural selection in real-world scenarios.
• Differentiate between types of selection: directional, stabilizing, and disruptive.+ Show more

Learning Objectives

• Explain how energy moves through ecosystems from primary producers to consumers and decomposers.
• Describe the process of photosynthesis and its role in transferring energy within an ecosystem.
• Understand the concept of energy transfer efficiency and how energy pyramids illustrate trophic levels.+ Show more

Learning Objectives

• Understand the key factors that influence population growth and decline.
• Identify the differences between density-dependent and density-independent factors.
• Analyze how population patterns affect community structure and ecosystem dynamics.+ Show more

Learning Objectives

• Understand key ethical issues related to biotechnology and genetic manipulation.
• Evaluate societal implications, including privacy, consent, and ecological impact.
• Analyze regulatory frameworks and the role of public engagement in biotech policies.+ Show more

Learning Objectives

• Describe the chemical structures of DNA and RNA and the role of nucleotides.
• Explain the significance of double helix formation, antiparallel strands, and base pairing in DNA.
• Differentiate between DNA and RNA in terms of structure and function.+ Show more

Learning Objectives

• Describe Mendelian patterns like segregation and independent assortment.
• Identify and compare non-Mendelian inheritance patterns such as incomplete dominance and codominance.
• Recognize how environmental factors and gene linkage influence trait expression.+ Show more

Learning Objectives

• Understand how impulse and force-time tradeoffs influence collision mitigation strategies.
• Identify engineering design features such as crumple zones, airbags, and helmets for safer high-impact interactions.
• Analyze force-time graphs and energy absorption techniques to evaluate shock absorption effectiveness.+ Show more

Learning Objectives

• Understand the principles of center of mass and its effect on stability.
• Calculate the center of mass for composite systems.
• Apply torque and equilibrium conditions to determine stability thresholds.+ Show more

Learning Objectives

• Describe the hierarchical organization of the body from cells to organ systems.
• Explain how tissues, organs, and organ systems interact to maintain organismal functions.
• Identify examples of physiological coupling, such as circulatory-respiratory and digestive-vascular systems.+ Show more

Learning Objectives

• Explain how biodiversity supports ecosystem stability and resilience to environmental stressors
• Analyze how changes in population sizes and species interactions can alter which organisms persist
• Evaluate how human activities can increase or reduce biodiversity through habitat change, pollution, and resource modification+ Show more

Learning Objectives

• Explain the difference between an organism’s habitat and its ecological niche.
• Describe how resources, feeding relationships, and tolerance limits shape ecological niches.
• Analyze how competition and changing environmental conditions can reorganize communities.