Grade 9 Science Worksheets

Learning Objectives

• Understand the process of fertilization in animal reproduction.
• Differentiate between internal and external fertilization strategies.
• Identify factors influencing successful embryonic development.+ Show more

Learning Objectives

• Understand the principle of momentum conservation in isolated systems.
• Differentiate between elastic and inelastic collisions and their energy behaviors.
• Apply the conservation of momentum to analyze collision scenarios.+ Show more

Learning Objectives

• Understand how unbalanced forces produce acceleration in the direction of the net force.
• Explain the relationship between force, mass, and acceleration as described by Newton's second law.
• Recognize how changing force magnitude or duration affects velocity and acceleration.+ Show more

Learning Objectives

• Understand basic weather measurements such as temperature, humidity, wind, and pressure.
• Learn how weather data patterns can indicate atmospheric conditions.
• Recognize the relationship between atmospheric measurements and observable weather phenomena.+ Show more

Learning Objectives

• Describe the basic components of the cell membrane and their functions.
• Explain the fluid mosaic model and how it accounts for membrane permeability and signaling.
• Identify the roles of phospholipids, proteins, cholesterol, and carbohydrate chains in membrane structure.

Learning Objectives

• Explain how the heart and lungs work together to regulate oxygen and carbon dioxide levels in the blood.
• Describe the processes of pulmonary ventilation and systemic circulation.
• Identify how chemoreceptors monitor blood gases and influence respiratory and cardiac responses.+ Show more

Learning Objectives

• Identify different types of representation models (mathematical formulas, graphs, schematic diagrams, and computational approximations) and explain what each is best at capturing.
• Use criteria of representational fidelity, parsimony, and predictive scope to justify why a model is selected for a specific system.
• Explain how mapping model components to measurable observables helps interpret results and test assumptions with evidence.+ Show more

Learning Objectives

• Understand the geometric conditions that cause solar and lunar eclipses.
• Identify the relative positions of the Sun, Earth, and Moon during different eclipses.
• Describe how orbital inclinations affect eclipse frequency and visibility.+ Show more

Learning Objectives

• Understand the geological processes involved in mountain formation from plate convergence and collision.
• Identify different structures such as thrust faults, fold belts, and crustal shortening associated with mountain ranges.
• Explain how weathering and erosion shape mountain landscapes over time.+ Show more

Learning Objectives

• Understand how molecular, cellular, and organ-level interactions contribute to physiological properties.
• Identify links between genetic variations and system dysfunctions such as cystic fibrosis, heart failure, and metabolic syndrome.
• Interpret multi-level physiological data including biochemical assays, histology, and organ function metrics.+ Show more

Learning Objectives

• Explain how fitness relates to survival and reproduction in a specific environment
• Describe how natural selection depends on heritable traits and environmental conditions
• Analyze how changes in environment can change which traits increase fitness

Learning Objectives

• Describe the processes involved in the rock cycle and how they transform different types of rocks.
• Identify observable evidence of the rock cycle in the field, such as layering and textures.
• Explain the role of plate tectonics, energy sources, and processes like weathering and metamorphism in shaping rocks.+ Show more

Learning Objectives

• Describe the different types of plate boundaries and their surface expressions.
• Explain the mechanisms driving plate motions such as mantle convection and slab pull.
• Analyze global distribution of earthquakes and volcanic arcs as evidence for plate interactions.+ Show more

Learning Objectives

• Understand human impacts on watershed processes such as urbanization, deforestation, agriculture, and infrastructure.
• Identify consequences of watershed alterations including runoff, sediment load, nutrient fluxes, and groundwater recharge.
• Describe how changes in watersheds affect channel morphology, flood frequency, and aquatic ecosystems.+ Show more

Learning Objectives

• Describe the major carbon reservoirs in the atmosphere, biosphere, oceans, and geosphere.
• Explain the fluxes and processes that transfer carbon among different reservoirs, including photosynthesis, respiration, dissolution, sedimentation, and fossil fuel formation.
• Quantify basic exchanges and residence times of carbon in different parts of Earth's system.+ Show more

Learning Objectives

• Explain the causes of apparent diurnal and annual motion of celestial objects as observed from Earth.
• Describe how Earth's rotation and revolution produce observable changes in the night sky over nights and seasons.
• Use celestial coordinate concepts such as rising, setting, altitude, and azimuth to relate observed positions of celestial objects.+ Show more

Learning Objectives

• Describe the basic mechanisms of climate forcing including greenhouse gases, albedo changes, and aerosols.
• Explain the concept of radiative transfer and how Earth's energy budget influences surface temperature.
• Analyze the links between human emissions, the carbon cycle, and climate change projections.+ Show more

Learning Objectives

• Explain the sources of energy within Earth's systems, including solar radiation and geothermal heat
• Describe how energy transfer occurs through conduction, convection, and radiation
• Analyze how energy gradients influence atmospheric and oceanic circulation and geological processes+ Show more

Learning Objectives

• Describe the geometric conditions that lead to lunar phases, solar, and lunar eclipses.
• Differentiate between partial, total, and annular eclipses and identify their observational characteristics.
• Explain the importance of node alignment and orbital inclination in eclipse occurrence.+ Show more

Learning Objectives

• Understand the types and propagation characteristics of seismic waves.
• Explain how earthquake focal mechanisms reveal fault types and stress orientations.
• Relate seismic wave travel times to Earth's interior structure and methods for locating epicentres.+ Show more

Learning Objectives

• Understand how resource extraction influences landforms, ecosystems, and material cycles.
• Evaluate sustainability criteria related to resource use—including renewability, environmental effects, and reclamation potential.
• Analyze the trade-offs between societal needs and ecosystem integrity in resource management.

Learning Objectives

• Understand how orbital parameters such as eccentricity, axial tilt, and precession affect seasonal insolation and climate patterns.
• Explain tidal forces caused by the Moon and Sun through gravitational gradients and relative geometry.
• Describe resonance effects and tidal locking phenomena in celestial mechanics.+ Show more

Learning Objectives

• Identify and describe diagnostic physical and chemical properties of common rock-forming minerals.
• Explain how mineral composition relates to formation environments and stability under various conditions.
• Connect mineral assemblages to petrogenetic histories and distinguish ore minerals from gangue in economic contexts.

Learning Objectives

• Understand the structure and composition of Earth's concentric layers: crust, mantle, and core.
• Explain the differences between the lithosphere and asthenosphere in mechanical behavior.
• Describe how variations in density, temperature, and pressure with depth influence material phases and planetary processes.+ Show more

Learning Objectives

• Understand Mendelian inheritance patterns including dominant and recessive alleles.
• Differentiate between genotypes and phenotypes in genetic traits.
• Apply Punnett square logic to predict offspring ratios.+ Show more

Learning Objectives

• Understand the structure of DNA and its double-helix composition.
• Identify how chromosomes organize genetic information within the cell.
• Differentiate between nuclear and organelle genomes and their roles.+ Show more

Learning Objectives

• Understand different mechanisms of asexual reproduction such as binary fission, budding, spore formation, and vegetative propagation.
• Identify ecological advantages and disadvantages of asexual reproduction methods.
• Recognize Alberta-specific examples of asexual reproduction like aspen root suckers and horticultural practices.+ Show more

Learning Objectives

• Understand the differences between sexual and asexual propagation and their effects on genetic diversity.
• Trace inheritance patterns of traits through chromosomes and Mendelian principles.
• Examine the ecological and societal implications of selection and breeding practices.+ Show more

Learning Objectives

• Understand the ecological, economic, and health risks associated with genetic technologies.
• Evaluate potential consequences such as gene flow, resistance development, and market impacts.
• Identify mitigation strategies, long-term monitoring needs, and the uncertainties involved in risk assessment.+ Show more

Learning Objectives

• Understand key ethical issues in the application of genetic technologies.
• Analyze societal impacts of genetic science on different stakeholders.
• Evaluate the role of policy, consent, and public dialogue in responsible genetics development.+ Show more

Learning Objectives

• Interpret earthquake waveforms, travel-time curves, and epicenter maps to analyze subsurface structures.
• Distinguish between P- and S-wave arrivals, waveform amplitudes, and frequency content to identify shallow versus deep seismic events.
• Connect seismicity patterns to tectonic environments and surface hazard phenomena such as tsunamis using instrument-based records.+ Show more

Learning Objectives

• Understand the principle of conservation of linear momentum within isolated systems.
• Distinguish between elastic and inelastic collisions using quantitative analysis.
• Apply vector sum calculations to determine total momentum before and after interactions.+ Show more

Learning Objectives

• Explain how the Sun influences Earth's climate.
• Identify key factors like solar flux, albedo, and greenhouse gases.
• Describe the Earth's energy budget and surface-atmosphere interactions.

Learning Objectives

• Understand the relationship between mass and acceleration when a net force is applied.
• Distinguish between inertial mass and gravitational effects.
• Apply the force–acceleration law to predict how changing mass influences acceleration.+ Show more

Learning Objectives

• Explain how accurate measurements depend on appropriate scales, calibrated instruments, and consistent units.
• Use significant figures to represent the precision justified by a measuring device.
• Convert between units and record data consistently to reduce misinterpretation.

Learning Objectives

• Understand the types of species interactions that shape community structure.
• Explain the roles of keystone species and ecosystem engineers.
• Analyze how species interactions influence energy flow and matter cycling.+ Show more

Learning Objectives

• Describe magmatic systems, eruptive styles, and volcanic gas emissions based on compositional controls and tectonic settings.
• Compare effusive shield volcanism and explosive stratovolcano behavior, linking magma viscosity and volatile content to eruptive energy.
• Identify petrologic indicators, eruption chronologies, and volcanic gas data to explain landscape modifications and climate influences.

Learning Objectives

• Understand how molecular data such as DNA, RNA, and protein sequences are used to infer evolutionary relationships.
• Identify the significance of conserved gene sequences and molecular clocks in determining divergence times.
• Explain how comparative genomics helps clarify lineage relationships and evolutionary processes.

Learning Objectives

• Explain common techniques used in biotechnology such as PCR, gel electrophoresis, DNA sequencing, and CRISPR.
• Identify various applications of biotechnology in medicine, agriculture, and forensic science.
• Assess ethical, legal, and societal implications associated with biotechnological advancements.

Learning Objectives

• Compare divergent, convergent, and transform plate boundaries and the key geological processes at each.
• Explain how plate boundary type influences earthquakes, volcanism, and crustal deformation.
• Identify major landforms associated with plate boundary interactions and interpret regional patterns over geologic time.

Learning Objectives

• Understand how gravity influences the motion of planets and moons in the solar system.
• Describe the relationship between gravitational force and orbital motion.
• Explain why planetary patterns recur predictably over time.+ Show more

Learning Objectives

• Understand the interconnected reservoirs involved in Earth's water and carbon cycles.
• Identify processes such as evaporation, condensation, and chemical exchange in Earth's systems.
• Explain how solar radiation influences weather and temperature regulation.+ Show more

Learning Objectives

• Explain how Earth's axial tilt and orbit around the Sun cause seasonal changes.
• Describe how the angle of sunlight and daylight hours vary at different times of the year.
• Understand the relationship between Earth's position in orbit and temperature changes at various latitudes.+ Show more

Learning Objectives

• Understand the role of reservoirs in environmental cycles.
• Explain how feedback mechanisms influence climate change.
• Identify different types of reservoirs and their time scales.+ Show more

Learning Objectives

• Describe the main types of tectonic plate boundaries and their surface features.
• Explain the processes of seafloor spreading and subduction zones using geologic evidence.
• Identify how mantle convection influences surface topography including mountain ranges and ocean basins.+ Show more

Learning Objectives

• Understand how organelle form and abundance vary across different cell types and taxa.
• Identify examples of structural adaptations in cells and their functions.
• Relate cellular morphology to physiological roles and ecological strategies.+ Show more

Learning Objectives

• Explain how glycolysis, the TCA cycle, and electron transport drive cellular respiration and ATP production.
• Compare aerobic and anaerobic outcomes using ATP yields and redox (NADH/FADH2) considerations.
• Use stoichiometry and pathway flux ideas to predict how substrate availability and enzyme regulation change cellular energy currency.

Learning Objectives

• Identify and define the main sources of genetic variation including mutation, recombination, gene flow, and chromosomal rearrangements.
• Describe mechanisms that increase or decrease genetic diversity in populations.
• Analyze examples of genetic variation impacts, such as introduced species and hybridization.+ Show more