Grade 9 Science Worksheets

Learning Objectives

• Understand the principles of gravitational forces governing orbital motion.
• Explain Kepler's laws and their applications to planetary and satellite trajectories.
• Analyze relationships between orbital parameters such as period, semi-major axis, and velocity.+ Show more

Learning Objectives

• Describe how ice cores, marine sediments, and terrestrial proxies are used to study past atmospheric conditions.
• Understand the relationship between greenhouse gases, isotopic data, and climate variations.
• Explain how proxy evidence combined with instrumental data helps assess natural versus anthropogenic climate changes.+ Show more

Learning Objectives

• Describe the role of microscopy in revealing cell structures and scales.
• Identify different types of microscope models used to interpret microscopic observations.
• Explain how diagrams and physical models aid in understanding cellular sizes and functions.+ Show more

Learning Objectives

• Understand the concept of energy profiles and their representation of chemical reactions.
• Differentiate between endothermic and exothermic reactions based on energy changes.
• Identify the significance of activation energy and transition states in reactions.+ Show more

Learning Objectives

• Describe the chemical structures of DNA and RNA and their nucleotide components.
• Explain the significance of double helix and antiparallel strands in DNA.
• Identify the differences between DNA and RNA and their functional roles.+ Show more

Learning Objectives

• Understand what albedo feedback is and how it impacts climate change.
• Identify factors that influence surface reflectivity in Earth's ecosystems.
• Explain how melting ice, snow, vegetation shifts, and cloud cover contribute to feedback mechanisms.+ Show more

Learning Objectives

• Describe the structural differences between prokaryotic and eukaryotic cells.
• Identify key features that distinguish bacteria and archaea from eukaryotic cells.
• Explain the significance of genetic and cellular organization in prokaryotes.+ Show more

Learning Objectives

• Explain how force over time affects an object's momentum during collisions.
• Distinguish between elastic and inelastic collisions based on energy conservation.
• Analyze how impulse relates to force, contact duration, and change in velocity.+ Show more

Learning Objectives

• Understand the concept of limiting reactants and their role in chemical reactions.
• Calculate the theoretical yield based on balanced equations and initial quantities.
• Differentiate between theoretical yield, actual yield, and percent yield.+ Show more

Learning Objectives

• Understand how mole relationships connect masses of reactants and products in chemical equations.
• Learn the significance of molar mass in converting between grams and moles.

Learning Objectives

• Explain the process of thermoregulation and its importance in maintaining internal stability.
• Identify the organs and systems involved in regulating body temperature.
• Describe how hypothalamic centers detect temperature changes and initiate responses.+ Show more

Learning Objectives

• Identify major organelles of eukaryotic cells and describe their structural features.
• Relate membrane folding, compartmentalization, and surface-to-volume ratios to cellular functions.
• Explain how organelle functions contribute to metabolic rates and exchange processes.

Learning Objectives

• Understand different mechanisms of asexual reproduction such as binary fission, budding, spore formation, and vegetative propagation.
• Examine the genetic consequences of asexual reproduction, including clone production, spread rates, and resilience.
• Identify Alberta-specific examples like aspen groves, bacterial populations in soil and water, and horticultural practices.+ Show more

Learning Objectives

• Understand the principles of optical and electron microscopy.
• Identify how magnification, resolution, and contrast are used in microscopy.
• Interpret images by examining scale bars and staining artifacts.+ Show more

Learning Objectives

• Understand how allele frequencies change under different evolutionary forces such as selection, drift, migration, and mutation.
• Describe the Hardy-Weinberg equilibrium as a null model in population genetics.
• Explain how quantitative traits emerge from polygenic inheritance and environmental interactions.+ Show more

Learning Objectives

• Identify and describe the main functions of eukaryotic cell organelles.
• Explain how organelle specialization supports cellular efficiency and coordination.
• Analyze the roles of mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus, lysosomes, and peroxisomes.+ Show more

Learning Objectives

• Understand how the particle model explains gas pressure, volume, and temperature relationships.
• Describe how microscopic particle motion relates to macroscopic gas laws without using equations.
• Link gas particle collisions and kinetic energy to measurable pressure changes and real-world phenomena.+ Show more

Learning Objectives

• Understand key ethical considerations in biotechnology, including societal, environmental, and health impacts.
• Identify and evaluate issues related to genetic privacy, informed consent, and equitable access.
• Analyze how regulation and public engagement shape biotech policy decisions.+ Show more

Learning Objectives

• Define physical properties and identify common examples such as density, melting point, boiling point, colour, hardness, and conductivity.
• Describe how physical properties are used to classify and separate different materials.
• Distinguish between intensive and extensive physical properties in assessing material behavior.+ Show more

Learning Objectives

• Understand how pedigree charts are used to trace inheritance patterns across generations.
• Identify different inheritance modes such as autosomal dominant, autosomal recessive, X-linked, and mitochondrial.
• Learn how to interpret affected and carrier statuses, sex distribution, and generation skipping in pedigrees.+ Show more

Learning Objectives

• Describe the characteristics and differences between static and kinetic friction.
• Explain how fluid drag depends on velocity, surface properties, and medium density.
• Apply quantitative relations involving friction coefficients and drag dependencies to real-world problems.+ Show more

Learning Objectives

• Understand the processes of transcription and translation in gene expression.
• Identify the key components involved in gene expression, including RNA polymerase, mRNA, tRNA, and ribosomes.
• Explain how post-transcriptional and post-translational modifications influence protein function.+ Show more

Learning Objectives

• Understand human impacts such as urbanization, deforestation, agriculture, and infrastructure on watershed processes.
• Identify measurement indicators like turbidity and discharge used to assess watershed health.
• Describe consequences of land use changes on runoff, sediment load, and groundwater recharge.+ Show more

Learning Objectives

• Understand the components and processes involved in power distribution systems.
• Explain how voltage transformation and feeder topology support continuous electricity supply.
• Analyze the trade-offs in system reliability, capacity, and environmental impact in power networks.+ Show more

Learning Objectives

• Describe various energy sources and their transfer mechanisms within Earth systems.
• Understand how energy gradients influence atmospheric, oceanic, and tectonic processes.
• Explain the relationship between radioactive decay heat and mantle convection.+ Show more

Learning Objectives

• Understand the concepts of diurnal and annual motion of celestial objects as perceived from Earth.
• Explain how Earth's rotation and revolution cause the changing sky over nights and seasons.
• Relate celestial coordinate concepts like rising, setting, altitude, and azimuth to observed patterns.+ Show more

Learning Objectives

• Analyze how different body systems coordinate to maintain homeostasis.
• Identify feedback mechanisms and set points in physiological processes.
• Understand the interactions between endocrine signaling and autonomic responses.+ Show more

Learning Objectives

• Understand the major factors influencing Earth's climate systems.
• Identify the roles of solar energy and internal heat in climate variability.
• Analyze how interactions among Earth's spheres affect regional climates.+ Show more

Learning Objectives

• Identify the major structures within eukaryotic cells and their functions.
• Explain how organelle structure relates to its cellular role.
• Connect organelle functions to different tissue types in plants and animals.+ Show more

Learning Objectives

• Define and interpret mean, median, and mode as measures of central tendency.
• Compare how different measures respond to skewness, outliers, and multimodal distributions.
• Determine appropriate measures of central tendency based on data distribution and context.+ Show more

Learning Objectives

• Understand how chemicals are used in everyday life and assess their societal benefits and risks.
• Identify routes of chemical exposure and discuss safe handling and disposal methods.
• Evaluate trade-offs between utility and environmental or health impacts of chemicals.+ Show more

Learning Objectives

• Explain the hierarchical organization of biological systems from cells to organism-level functions.
• Describe how tissues, organs, and organ systems interact to maintain homeostasis.
• Identify canonical examples of system interactions such as circulatory-respiratory coupling and nervous-endocrine integration.+ Show more

Learning Objectives

• Understand Newton's three laws of motion and their implications in real-world contexts.
• Analyze how forces influence the motion of objects such as snowplows and playground equipment.
• Explain regional applications of Newtonian principles, including erosion control and safety mechanisms.

Learning Objectives

• Describe the three main types of plate boundaries and their characteristic features.
• Explain the geological processes associated with divergent, convergent, and transform boundaries.
• Identify landforms and land features resulting from different boundary interactions.+ Show more

Learning Objectives

• Describe the process of fertilization and its role in reproduction.
• Differentiate between internal and external fertilization with examples.
• Explain stages of embryonic development and factors influencing successful growth.+ Show more

Learning Objectives

• Explain how friction and drag oppose motion and convert mechanical energy into thermal energy.
• Describe the factors affecting friction on icy roads and gravel tracks.
• Analyze how air density and shape influence aerodynamic drag on vehicles.+ Show more

Learning Objectives

• Understand major genetic technologies such as selective breeding, hybridization, genetic modification, and gene editing.
• Identify applications of biotechnology in agriculture and livestock breeding.
• Explain mechanisms of trait introduction and alteration at molecular and population levels.+ Show more

Learning Objectives

• Understand how to represent and analyze systems that change over time using time-series data.
• Describe how difference equations and phase diagrams are used to model transient and steady-state behaviors.
• Identify feedback loops, rates, and equilibrium concepts from empirical temporal data.+ Show more

Learning Objectives

• Understand the processes of erosion, transport, and deposition in shaping Earth's surface.
• Interpret hydrologic data such as discharge records and sediment load measurements.
• Analyze the feedback mechanisms between runoff, sediment supply, and channel morphology.+ Show more

Learning Objectives

• Understand the standardized symbols used in circuit diagrams.
• Interpret circuit topology from schematic representations.
• Identify components and their connection types in circuit diagrams.+ Show more

Learning Objectives

• Explain the principle of conservation of mechanical energy in different contexts.
• Identify energy transfer mechanisms such as potential to kinetic energy in real-world examples.
• Analyze the effects of non-conservative forces like friction on energy in systems.+ Show more

Learning Objectives

• Understand the interactions among the geosphere, hydrosphere, atmosphere, and biosphere through conceptual models.
• Identify material and energy exchanges within Earth systems such as nutrient transport and gas fluxes.
• Explain how spatial schematics and causal chains help interpret environmental phenomena.+ Show more

Learning Objectives

• Explain different molecular signaling pathways involved in gene expression and protein activity regulation.
• Identify key mechanisms such as signal transduction, receptor-ligand interactions, and hormonal signaling.
• Describe examples like insulin-mediated glucose uptake and receptor tyrosine kinase pathways.+ Show more

Learning Objectives

• Explain the processes of seafloor spreading, subduction, volcanic arc formation, and mountain uplift.
• Describe how Earth's internal processes influence surface features and topography.
• Interpret geologic cross-sections and seafloor magnetic anomaly patterns as evidence for plate tectonics.+ Show more

Learning Objectives

• Understand and describe common observable properties of materials.
• Identify examples of observable properties in real-world contexts.
• Differentiate materials based on their observable traits using measurable criteria.+ Show more

Learning Objectives

• Understand the interactions between land and water in ecosystems and agriculture.
• Identify sustainable practices such as soil conservation, watershed management, and irrigation.
• Evaluate the impact of land-use changes on ecosystem resilience and long-term productivity.+ Show more

Learning Objectives

• Explain the greenhouse effect and how it influences Earth's climate.
• Identify key gases involved in the greenhouse effect and their sources.
• Describe how human activities impact greenhouse gas concentrations and global warming.+ Show more

Learning Objectives

• Define work and understand its relationship to energy transfer.
• Identify the factors that influence the amount of work done on an object.
• Differentiate between positive and negative work in various scenarios.+ Show more