Grade 9 Science Worksheets

Learning Objectives

• Explain the concept of inertia and its relation to an object's mass.
• Describe everyday examples that illustrate inertia.
• Analyze how force must overcome inertia to change motion.+ Show more

Learning Objectives

• Understand the mathematical representation of heat transfer and internal energy changes in different processes.
• Apply specific heat capacity concepts to calculate thermal energy transfer in various scenarios.
• Comprehend the sign conventions for energy flow and their connection to conservation principles in closed systems.+ Show more

Learning Objectives

• Understand how complex mechanical systems combine multiple bodies and forces.
• Apply Newton’s laws and net force analysis to predict motion.
• Analyze energy transfer and dissipation during system interactions.+ Show more

Learning Objectives

• Understand the principles of allele frequency changes under various evolutionary forces.
• Describe the Hardy-Weinberg equilibrium and its significance in population genetics.
• Explain the concepts of genetic drift, selection, migration, and mutation.+ Show more

Learning Objectives

• Understand the key mechanisms of plate tectonics, including seafloor spreading and subduction zones.
• Interpret geologic cross-sections and magnetic anomaly patterns as evidence of Earth's internal processes.
• Describe how mantle convection and crustal deformation influence surface features such as mountains and ocean basins.+ Show more

Learning Objectives

• Understand the mechanisms involved in reproductive isolation and how they lead to speciation.
• Identify different models of speciation such as allopatric, sympatric, and adaptive radiation.
• Explain the significance of genetic divergence and diagnostic traits in forming new species.+ 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 used for building phylogenetic trees, such as parsimony and molecular distance.+ Show more

Learning Objectives

• Understand the various types of surface processes and their roles in shaping landscapes.
• Analyze how climate, lithology, and relief influence geomorphic change and soil development.
• Identify examples of surface processes such as weathering, mass wasting, and sediment transport.

Learning Objectives

• Explain the mechanism of natural selection and how it leads to genetic change in populations.
• Identify examples of natural selection such as beak morphology shifts and bacterial antibiotic resistance.
• Describe the role of genetic variation, inheritance, and environmental pressures in evolution.+ Show more

Learning Objectives

• Understand the key types of evidence supporting common ancestry and species diversification.
• Describe how fossil records, comparative anatomy, and molecular data contribute to evolutionary studies.
• Interpret examples like transitional fossils, homologous structures, and DNA similarities among species.+ Show more

Learning Objectives

• Describe the different energy transfer processes that influence atmospheric and oceanic dynamics.
• Interpret global energy budget diagrams and flux tables to understand climate variability.
• Relate energy partitioning to observable climate indicators such as surface temperature distributions and sea surface temperature anomalies.+ Show more

Learning Objectives

• Describe the subatomic particles that make up atoms: protons, neutrons, and electrons.
• Explain electron configurations and quantized energy levels in atoms.
• Understand how the periodic table organizes elements based on valence electrons and chemical behaviors.+ Show more

Learning Objectives

• Understand different prototyping methods and their appropriate application contexts.
• Identify key materials and fidelity levels used in prototyping.
• Analyze iterative testing processes and how test data informs design refinement.+ Show more

Learning Objectives

• Understand the role of mathematical and computational methods in modeling systems.
• Identify key components of computational models, including parameter estimation and scenario evaluation.
• Apply basic concepts of sensitivity analysis and numerical tuning in system design.+ Show more

Learning Objectives

• Understand the principles and importance of comparative evaluation in engineering design solutions.
• Identify performance metrics, lifecycle costs, and environmental impacts in decision-making.
• Apply decision frameworks and matrices to compare alternative systems such as wind turbines and transportation components.+ Show more

Learning Objectives

• Describe the processes of the rock cycle, including igneous, sedimentary, and metamorphic formations.
• Explain how different geological conditions influence rock transformation and cycle pathways.
• Identify examples of rock formation processes such as melting, erosion, and metamorphism.+ Show more

Learning Objectives

• Understand the different types of chemical bonds: ionic, covalent, and metallic.
• Learn how Lewis structures represent molecules and bonds.
• Explore how atomic electron configurations influence macroscopic properties like melting point and conductivity.+ Show more

Learning Objectives

• Understand the distinction between power and energy in technological systems.
• Calculate and compare power ratings and energy consumption of various devices.
• Analyze the effects of efficiency and losses on overall system performance.+ Show more

Learning Objectives

• Understand the concepts of endothermic and exothermic reactions and how they relate to energy changes.
• Describe how bond breaking and formation affect potential and kinetic energy during chemical reactions.
• Interpret energy diagrams to connect molecular interactions with observable temperature and phase changes.+ Show more

Learning Objectives

• Understand the principles of information encoding through modulation and multiplexing.
• Compare and contrast different encoding schemes such as pulse-code modulation and amplitude modulation.
• Analyze practical examples of signal encoding in fiber-optic and radio communication channels.+ Show more

Learning Objectives

• Understand the key concepts and components of modern energy systems, including renewable integration and energy storage.
• Analyze the trade-offs and environmental impacts of different energy transition pathways.
• Evaluate regional case studies related to decarbonization and energy policy implications.+ Show more

Learning Objectives

• Understand the application of systems and decision models in evaluating climate mitigation and adaptation strategies.
• Analyze the trade-offs among economic, environmental, and social variables in environmental decision-making.
• Explore scenario analysis, assessment approaches, and policy instruments related to climate resilience and sustainability.

Learning Objectives

• Describe the main stages of stellar evolution from star formation to end states.
• Interpret Hertzsprung-Russell diagrams and spectral classifications of stars.
• Explain processes such as supernovae and nucleosynthesis that enrich the interstellar medium.+ Show more

Learning Objectives

• Understand the concepts of kinetic and potential energy and their mathematical expressions.
• Explore the work-energy theorem and how work relates to changes in mechanical energy.
• Analyze energy transfer processes such as pendulum motion, collisions, and roller-coaster height-to-speed conversions.+ Show more

Learning Objectives

• Understand the principles of energy conservation in closed and open systems.
• Analyze energy flow diagrams and quantify energy transfer and storage.
• Explain the concept of system boundaries and their importance in energy bookkeeping.+ Show more

Learning Objectives

• Explain the mathematical representation of wave behavior through amplitude, frequency, wavelength, and phase.
• Relate wave speed to frequency and wavelength for transverse and longitudinal waves, including examples like string waves, sound waves, and water waves.
• Describe how sinusoidal functions and superposition explain interference and standing waves.+ Show more

Learning Objectives

• Understand the formation of the solar system from a protoplanetary disk.
• Identify key evidence such as meteorite composition and isotopic dating in planetary science.
• Explain the differences between inner rocky planets and outer gas giants based on planetary differentiation and volatile content.+ Show more

Learning Objectives

• Understand the fundamental principles governing orbital motion, including Kepler's laws and Newton's law of universal gravitation.
• Analyze the relationship between orbital period and semi-major axis in planetary and satellite motion.
• Explain concepts of escape velocity and conservation of angular momentum in orbit scenarios.+ Show more

Learning Objectives

• Understand the observational evidence that constrains the chronology of the universe.
• Explain key concepts such as redshift, cosmic microwave background, and primordial abundances.
• Interpret how different measurements define the universe's age and expansion.+ Show more

Learning Objectives

• Understand the different types of natural hazards and their origins.
• Analyze how spatial patterns and triggering mechanisms influence hazard risks.
• Evaluate the long-term impacts of natural hazards on landscapes and human systems.+ Show more

Learning Objectives

• Understand how seismic waveforms are used to interpret Earth's subsurface structures.
• Compare P- and S-wave arrivals, waveform amplitudes, and frequency content to identify earthquake characteristics.
• Analyze travel-time curves and epicenter maps to determine earthquake depth and fault behavior.+ Show more

Learning Objectives

• Describe the mechanisms that generate genetic variation such as mutations, chromosomal rearrangements, and recombination.
• Explain how molecular changes like mutations and recombination influence phenotype and heritable traits.
• Analyze how variations at the population level can affect allele frequencies and gene expression.+ Show more

Learning Objectives

• Describe the different types of passive and active membrane transport processes.
• Explain how membrane transport affects cellular functions such as homeostasis, nutrient uptake, and volume regulation.
• Identify mechanisms such as diffusion, facilitated diffusion, osmosis, active transport, and vesicular transport.

Learning Objectives

• Understand how greenhouse gases trap outgoing radiation and influence Earth's surface temperature.
• Identify natural and human sources of greenhouse gases.
• Explain the impact of changes in atmospheric composition on climate.+ Show more

Learning Objectives

• Understand the geometric relationship between the Sun, Earth, and Moon during different lunar phases.
• Describe the cycle of lunar phases and what causes the sequence from new to full and back.
• Explain how lunar phases influence nocturnal illumination and tides.+ Show more

Learning Objectives

• Understand the key components that influence Earth's climate systems.
• Identify how energy balance affects long-term climate patterns.
• Explain the roles of various factors like aerosols, greenhouse gases, and ocean circulation in climate variability.+ Show more

Learning Objectives

• Explain the mechanisms driving surface and deep ocean currents and their roles in climate regulation.
• Identify features such as gyres, upwelling zones, and boundary currents and describe their effects on regional environments.
• Describe how changes in ocean circulation patterns can influence climate systems and weather extremes.+ Show more

Learning Objectives

• Understand the geological processes involved in mountain formation from plate convergence and collision.
• Identify key features and structures associated with mountain ranges and orogenic events.
• Explain how weathering and erosion shape mountain landscapes over time.+ Show more

Learning Objectives

• Explain the three main components of Milankovitch cycles: eccentricity, axial tilt, and precession.
• Describe how these cycles influence Earth's climate and glacial periods.
• Interpret how geological records support the link between orbital variations and climate change.+ Show more

Learning Objectives

• Describe the structure of DNA and its double-helix organization.
• Explain how chromosomes carry genetic information and are organized in the nucleus.
• Differentiate between nuclear and organelle genomes.+ Show more

Learning Objectives

• Understand the process of fertilization as gamete fusion leading to zygote formation.
• Compare internal and external fertilization strategies with real-world examples.
• Explain embryonic development stages, including cell differentiation and morphogenesis.+ Show more

Learning Objectives

• Explain the basic components of atomic structure: protons, neutrons, and electrons
• Define atomic number and mass number and their significance for isotopes
• Describe simple models of nuclei and electron shells to illustrate chemical behavior+ Show more

Learning Objectives

• Understand the differences between ionic, covalent, and metallic bonding based on atom interactions.
• Identify properties of compounds resulting from different bond types, such as melting points, solubility, and crystal structures.
• Relate bonding types to real-world materials and applications, including industrial and environmental contexts in Alberta.

Learning Objectives

• Understand how to interpret coefficients in balanced chemical equations to determine proportional relationships among reactants and products.
• Learn to relate symbolic chemical equations to real-world mass calculations in industrial systems.
• Apply mass conservation principles to estimate the amount of substances formed or consumed in chemical reactions.

Learning Objectives

• Understand the concepts of electric current, voltage, and resistance as fundamental electrical quantities.
• Interpret units and symbols associated with electrical measurements.
• Compare typical magnitudes of electrical quantities in regional applications such as transmission lines and household circuits.+ Show more

Learning Objectives

• Understand the principles of safe and effective electrical system use in various applications.
• Learn to match device ratings and functions with appropriate power sources and environmental conditions.
• Identify protective measures essential for safety and efficiency in electrical systems.+ Show more

Learning Objectives

• Understand the principles of diagnostic reasoning in electrical faults.
• Identify symptoms and interpret measurement data to infer failure modes.
• Apply logical inference to diagnoses involving open circuits, short circuits, or component degradation.+ Show more

Learning Objectives

• Understand how the slope of displacement-time, velocity-time graphs relates to physical motion parameters.
• Interpret the area under a velocity-time graph to determine displacement.
• Identify curved graphs indicating non-uniform acceleration and understand their physical causes.+ Show more