Grade 9 Worksheets

Learning Objectives

• Understand the characteristic behaviors of various electrical components such as resistance, diode conduction, and temperature dependence.
• Identify real-world examples of component behaviors in electrical circuits and systems.
• Analyze how component curves, power ratings, and operating limits influence circuit stability, energy efficiency, and device longevity.+ Show more

Learning Objectives

• Interpret earthquake waveforms and travel-time curves to infer subsurface structures.
• Compare P- and S-wave arrivals, waveform amplitudes, and frequency content to distinguish earthquake depths and locations.
• Connect seismic activity patterns to tectonic environments and surface hazard phenomena such as tsunamis.+ Show more

Learning Objectives

• Differentiate between scientific models, explanations, and theories
• Explain how models and theories are supported by evidence and used to make predictions
• Describe why scientific theories can change when new evidence conflicts with existing ideas

Learning Objectives

• Understand the development of various transportation systems such as roads, railways, and waterways.
• Analyze how geographic features influence the placement and growth of transportation networks.
• Evaluate the impact of transportation systems on regional economies and accessibility.+ Show more

Learning Objectives

• Define inertia and explain its relation to an object's mass.
• Describe real-world examples of inertia in everyday life.
• Analyze how forces overcome inertia to change an object's motion.+ Show more

Learning Objectives

• Explain the difference between kinetic energy and potential energy using everyday examples.
• Describe how kinetic energy depends on an object's speed and how gravitational potential energy depends on height.
• Use energy-transfer ideas to predict what happens to speed and height in a system such as a roller coaster.

Learning Objectives

• Explain how forces can change an object’s state of motion and relate forces to acceleration and changes in velocity.
• Differentiate contact forces from field forces and identify examples of each.
• Use vector ideas (magnitude and direction) to describe forces and predict what happens when multiple forces act.

Learning Objectives

• Explain how work done by a net force over a distance changes an object's kinetic energy
• Determine whether work is positive or negative based on the direction of the net force relative to motion
• Describe how constant-speed lifting transfers energy into stored gravitational potential energy

Learning Objectives

• Understand the diverse phenomena involved in complex inheritance such as polygenic traits, epistasis, and pleiotropy.
• Explain how variable penetrance and expressivity influence phenotype variation.
• Describe how linkage and environmental factors modify inheritance patterns.+ Show more

Learning Objectives

• Understand the geometric relationship between the Sun, Earth, and Moon during different lunar phases.
• Identify the sequence and appearance of lunar phases over a synodic month.
• Explain how lunar phases influence nocturnal illumination and tidal patterns.+ Show more

Learning Objectives

• Evaluate biotechnology decisions by weighing benefits, risks, and long-term societal impacts.
• Analyze ethical issues related to genetic privacy, informed consent, and equitable access to therapies.
• Explain how ecological and health risks (including unintended genome edits) influence ethical and regulatory choices.+ Show more

Learning Objectives

• Explain what albedo feedback is and how it impacts the climate.
• Identify different surfaces that affect Earth's reflectivity.
• Analyze how changes in surface reflectivity can accelerate or slow down climate change.+ Show more

Learning Objectives

• Differentiate physical changes from chemical changes using evidence about new substances.
• Explain how phase and form can change while conserving the identity of the material.
• Identify common examples of reversible physical changes in everyday and engineered contexts.

Learning Objectives

• Understand the basic principles of molecular geometry and electron pair repulsion.
• Identify common molecular shapes such as linear, trigonal planar, tetrahedral, and bent.
• Explain how molecular shape influences polarity and physical properties.+ Show more

Learning Objectives

• Identify different types of species interactions such as competition, predation, mutualism, parasitism, and herbivory.
• Understand the roles of keystone species and ecosystem engineers.
• Explore how indirect effects influence community structure and ecosystem stability.

Learning Objectives

• Understand the principles of integrated environmental models
• Interpret the structure and variables of coupled models
• Recognize the role of parameter sensitivity and uncertainty in modeling+ Show more

Learning Objectives

• Understand the relationship between particle arrangement and bulk material properties in different lattice structures.
• Distinguish between ionic lattices, covalent networks, and molecular solids based on physical and electrical characteristics.
• Describe how melting point, electrical conductivity, hardness, and solubility are affected by lattice organization and interparticle forces.+ Show more

Learning Objectives

• Describe the structural features of the heart and blood vessels involved in circulation.
• Explain the mechanisms of blood flow, including valve function and pressure regulation.
• Identify the roles of blood components in transport and regulation within the circulatory system.+ Show more

Learning Objectives

• Describe the components and architecture of power distribution systems.
• Explain the process of voltage transformation and its importance in electrical grids.
• Analyze how system topology influences reliability and capacity in power networks.+ Show more

Learning Objectives

• Explain how land-use change, invasive species, pollution, and resource extraction impact biodiversity and ecosystems.
• Interpret empirical data from case studies to evaluate environmental impacts and mitigation strategies.
• Identify trade-offs among conservation efforts and socioecological outcomes.+ Show more

Learning Objectives

• Explain how time-series descriptions help analyze changing systems.
• Identify the role of feedback loops and equilibrium in dynamic models.
• Analyze empirical data to determine transient versus steady-state behavior.+ Show more

Learning Objectives

• Explain the concept of the rock cycle and the processes involved in transforming rocks between igneous, sedimentary, and metamorphic forms.
• Identify the geological conditions and processes such as melting, crystallization, erosion, and metamorphism that lead to the formation of different rock types.
• Analyze how rates, pressure-temperature conditions, and radiometric dating constrain the sequencing of material cycling in Earth's crust.

Learning Objectives

• Explain how molecular, cellular, and organ-level interactions produce emergent physiological properties.
• Analyze how genetic variations can lead to system dysfunction in conditions such as cystic fibrosis, heart failure, and metabolic syndrome.
• Interpret data from biochemical assays, histology, and organ function metrics to assess organismal health and disease pathways.+ Show more

Learning Objectives

• Understand the principles of metric measurement and instrument resolution.
• Recognize the importance of calibration in achieving reliable data.
• Connect raw measurements to tables and graphs for data analysis.+ Show more

Learning Objectives

• Analyze how resource extraction affects ecosystems, landforms, and material cycles.
• Evaluate criteria for sustainability, including resource renewability and environmental trade-offs.
• Understand the environmental effects of mineral mining, fossil fuel extraction, and water withdrawal.+ Show more

Learning Objectives

• Explain how forces (contact and non-contact) affect motion in everyday Alberta contexts
• Describe how magnitude and direction combine vectorially to determine net force and expected motion
• Use qualitative reasoning about opposing forces to predict motion before numerical calculations

Learning Objectives

• Understand the rates and patterns of surface processes such as weathering, mass wasting, and sediment transport.
• Analyze how climatic, geologic, and topographic factors influence surface modification.
• Evaluate examples of geomorphic change like alluvial fan formation and coastal erosion.+ Show more

Learning Objectives

• Understand different prototyping methods and when to use them.
• Identify appropriate materials, fidelity levels, and testing protocols for various prototypes.
• Analyze measurement metrics and interpret test data to refine prototypes.+ Show more

Learning Objectives

• Explain how the cell membrane controls exchanges between a cell and its environment.
• Describe the roles of cytoplasm, genetic material, and major organelles in cell function.
• Use models (diagrams and scaled 3D representations) to interpret relative size and interactions inside cells.

Learning Objectives

• Explain how enzymes act as biological catalysts and lower activation energy in metabolic reactions.
• Understand the role of enzyme structure and active sites in substrate specificity and catalysis.
• Describe the functions of cofactors and coenzymes in enzyme activity.+ Show more

Learning Objectives

• Understand the purpose of balancing chemical equations to follow conservation of atoms and mass.
• Learn how to symbolize reactants and products in chemical reactions.
• Use simple reactions like combustion of hydrocarbons and formation of water to understand stoichiometry.+ Show more

Learning Objectives

• Understand the construction and interpretation of phylogenetic trees.
• Explain the significance of shared derived characters in evolutionary relationships.
• Compare different methods of tree-building such as parsimony and molecular distance.+ Show more

Learning Objectives

• Explain the key concepts and factors affecting population growth and decline.
• Analyze how density-dependent and density-independent factors influence populations.
• Describe species interactions and their effects on community structure.+ Show more

Learning Objectives

• Understand the principle of conservation of mass in chemical reactions within closed systems.
• Identify examples where mass remains constant despite apparent changes during reactions.
• Differentiate between true mass changes and gas exchange effects in experiments.+ Show more

Learning Objectives

• Explain how the choice of reference frame affects observed velocity and displacement.
• Apply vector addition to relate velocities measured in different frames (e.g., boat, truck, and aircraft scenarios).
• Interpret real-world motion situations using consistent reference-frame language.

Learning Objectives

• Explain conservation of atoms using particle-level rearrangement during chemical reactions.
• Connect conservation of mass in a closed system to evidence from reactants and products.
• Use balanced accounting (atoms and mass) to predict which product quantities are possible.

Learning Objectives

• Understand the characteristics of solids, liquids, and gases.
• Identify the behavior and properties of each state.
• Describe the phase transitions between different states.+ Show more

Learning Objectives

• Understand the flow of energy through different trophic levels in an ecosystem.
• Describe the structure of food webs and the significance of biomass distribution.
• Interpret ecological efficiency and the quantification of energy loss across trophic levels.+ Show more

Learning Objectives

• Understand the tradeoffs involved in digital and analog communication systems.
• Analyze the impact of bandwidth constraints, signal-to-noise ratio, and sampling criteria on transmission quality.
• Evaluate error-correcting techniques and their effect on data integrity in noisy environments.+ Show more

Learning Objectives

• Describe different genetic mechanisms that generate heritable diversity.
• Explain how mutations, chromosomal rearrangements, and recombination affect allelic variation.
• Connect molecular changes to variations in phenotype and their impact on populations.+ Show more

Learning Objectives

• Differentiate genotype and phenotype in Mendelian inheritance
• Predict offspring outcomes using dominant and recessive allele interactions
• Use simple Punnett square logic to estimate genotype and phenotype probabilities

Learning Objectives

• Explain the relationship between kinetic energy and the speed of an object
• Describe how gravitational potential energy depends on height and a chosen reference level
• Interpret energy transfers between potential and kinetic energy in real systems such as roller coasters

Learning Objectives

• Identify and describe the main components of waves: amplitude, frequency, wavelength, and phase.
• Understand the basic behavior of different types of waves including transverse and longitudinal waves.
• Calculate wave speed using the formula: wave speed = frequency × wavelength.+ Show more

Learning Objectives

• Understand the concept of mechanical advantage and how it is calculated.
• Identify different types of machines that utilize mechanical advantage.
• Analyze the trade-offs between force reduction and displacement in pulley and lever systems.+ Show more

Learning Objectives

• Distinguish series and parallel connections in a mixed (combined) circuit
• Predict how voltage and current behave within series vs. parallel branches
• Use circuit reasoning to trace where current can split and where it must remain the same

Learning Objectives

• Explain hierarchical relationships among cells, tissues, organs, and systems using canonical examples.
• Describe how cell specialization and extracellular matrices produce emergent organ functions.
• Understand how tissue arrangement supports organ-level processes and their role in physiological capacity.

Learning Objectives

• Understand the role of solar radiation in Earth's energy balance
• Identify sources of geothermal heat and their effects
• Describe methods of energy transfer: conduction, convection, and radiation+ Show more

Learning Objectives

• Identify the main sources of genetic variation such as mutation, recombination during meiosis, gene flow, and chromosomal rearrangements.
• Explain how mutation rates and types influence genetic diversity.
• Analyze examples of genetic variation in natural and managed populations.+ Show more