Grade 9 Science Worksheets

Learning Objectives

• Understand the principles of scaling laws and their application in scientific modeling.
• Identify how dimensional similarity affects the design and interpretation of models across scales.
• Apply proportional reasoning to analyze relationships in systems like diffusion, biomass, and periodic phenomena.+ Show more

Learning Objectives

• Explain how observed speed and direction depend on the reference frame.
• Describe scenarios illustrating vector addition of velocities in relative motion.
• Analyze how frame choices impact calculations of displacement, speed, and acceleration.+ Show more

Learning Objectives

• Explain the hierarchical relationships among cells, tissues, organs, and systems.
• Describe how cell specialization and extracellular matrices contribute to organ functions.
• Understand the scaling principles from cellular interfaces to organ systems and their impact on physiological capacity.+ Show more

Learning Objectives

• Understand the differences between power and energy in systems.
• Learn methods to calculate energy consumption over time.
• Evaluate efficiency and system losses in energy systems.+ Show more

Learning Objectives

• Understand how temperature, pressure, concentration, and catalysts influence reaction outcomes.
• Interpret equilibrium constants, reaction-rate expressions, and mass balances to optimize chemical processes.
• Analyze principles of kinetics and equilibrium in designing efficient reactions like Haber synthesis and esterification.

Learning Objectives

• Explain the principles of hormonal regulation and feedback mechanisms in the endocrine system.
• Describe how hormones are synthesized, transported, and act on target cells.
• Analyze examples of negative and positive feedback in glucose regulation and thyroid function.+ Show more

Learning Objectives

• Identify different sources of uncertainty in scientific measurements
• Read and interpret basic statistical descriptors such as mean, standard deviation, and standard error
• Understand how uncertainty propagates through calculations+ Show more

Learning Objectives

• Understand the fundamental principles of Newton's laws of motion and how they relate to force, mass, and acceleration.
• Apply free-body diagrams and vector components to analyze forces acting on objects in motion.
• Solve quantitative problems involving acceleration and trajectories using force analysis.

Learning Objectives

• Explain how molecular signals regulate gene expression and protein activity in cells
• Describe how receptor-ligand binding and signal transduction cascades control cellular responses
• Use examples such as insulin signaling to connect molecular regulation to physiological outcomes+ Show more

Learning Objectives

• Explain how kinetic energy depends on speed and why moving objects can do work.
• Describe how gravitational potential energy depends on height relative to a reference level.
• Use examples (such as roller coasters) to predict how energy transfers between potential and kinetic forms.

Learning Objectives

• Explain how electron transport chains transfer electrons through sequential carriers in mitochondria and chloroplasts.
• Describe how proton pumping creates an electrochemical gradient used to synthesize ATP.
• Compare mitochondrial and thylakoid electron transport and relate oxygen availability to ATP yield in aerobic systems.

Learning Objectives

• Explain how environmental chemical changes can be analyzed using mass conservation and measurable mass flows
• Connect acid deposition chemistry to observable effects on limestone using particulate and atomic explanations
• Describe how tailings chemistry and nutrient cycling involve system boundaries and chemical transformations

Learning Objectives

• Analyze how land-use change, invasive species, pollution, and resource extraction affect biodiversity and ecosystems.
• Interpret empirical data from case studies such as deforestation and coral reef degradation.
• Evaluate trade-offs among conservation, ecosystem services, and socioecological outcomes.+ Show more

Learning Objectives

• Understand the different types of graphical representations such as scatterplots, histograms, and line graphs.
• Identify patterns, outliers, and correlations in scatterplots.
• Learn how to interpret residual displays and evaluate axis scaling and labeling.+ Show more

Learning Objectives

• Understand the role of hormonal feedback mechanisms in maintaining homeostasis.
• Explain how insulin and glucagon regulate blood glucose levels via negative feedback loops.
• Describe the thyroid gland's control of metabolic rate through hormonal regulation.+ Show more

Learning Objectives

• Understand the chemical structure of DNA and RNA and how it determines function
• Identify differences between DNA and RNA in terms of structure and components
• Explain the significance of nucleotide pairing in genetic processes+ Show more

Learning Objectives

• Understand the basic concepts of electrical safety standards.
• Recognize the purpose and importance of grounding, insulation, and protective devices.
• Identify key safety requirements from provincial and municipal regulations.

Learning Objectives

• Explain how surface currents and thermohaline circulation redistribute heat across the oceans
• Describe how gyres, upwelling zones, and boundary currents influence regional climate and ecosystems
• Evaluate how changes in ocean circulation can create feedbacks that affect warming and extreme weather

Learning Objectives

• Identify and categorize different types of chemical reactions.
• Describe characteristic reactant patterns and products in each reaction category.
• Understand how classifying reactions helps in predicting products and balancing equations.+ Show more

Learning Objectives

• Understand the environmental impacts of different resource extraction and energy production methods.
• Compare the trade-offs between renewable and non-renewable energy sources.
• Analyze the life-cycle and sustainability considerations of resource management decisions.

Learning Objectives

• Understand the fundamental mechanisms driving evolution, including natural selection, genetic drift, mutation, and gene flow.
• Describe how these mechanisms influence allele frequencies and lead to change in populations over time.
• Explain how populations adapt, diverge, and show long-term genetic and trait changes due to evolutionary processes.

Learning Objectives

• Explain particle conservation using the idea that atoms are not created, destroyed, or lost during chemical reactions.
• Use particulate (atom-level) reasoning to describe how reactants transform into products.
• Identify evidence for conservation of matter from balanced counts of elements before and after a reaction.

Learning Objectives

• Explain how chemical reactions conserve matter by rearranging atoms rather than destroying them
• Describe how energy transfer during reactions is reflected in temperature and heat changes
• Differentiate exothermic and endothermic reactions using both energy and product outcomes

Learning Objectives

• Analyze various energy and mineral resource options focusing on sustainability, environmental impact, and management.
• Compare life-cycle trade-offs, including extraction impacts, water use, land disturbance, and emissions for different resource types.
• Evaluate economic costs, supply constraints, and remediation practices to assess sustainable use of finite and renewable resources.

Learning Objectives

• Explain the process of natural selection and its role in evolution.
• Identify examples of adaptation in Alberta's ecosystems such as prairie grass and snowshoe hares.
• Distinguish between natural and artificial selection and their effects on populations.+ Show more

Learning Objectives

• Explain how balancing coefficients in a chemical equation preserves conservation of atoms
• Use systematic strategies to balance simple chemical equations with whole-number coefficients
• Interpret balanced equations quantitatively using stoichiometric coefficients+ Show more

Learning Objectives

• Explain the law of conservation of mass using the idea that atoms are neither created nor destroyed during chemical reactions
• Use balanced chemical equations to account for the total number and types of atoms on both sides
• Connect conservation of mass to measurable mass changes and quantitative reaction reasoning

Learning Objectives

• Explain how eccentricity, axial tilt, and precession change seasonal insolation and long-term climate patterns.
• Describe tidal forcing from the Moon and Sun using gravitational gradients and relative geometry.
• Connect orbital dynamics to observable effects such as day-length changes, tidal range, and millennial climate variability.

Learning Objectives

• Identify and describe diagnostic physical and chemical properties used to distinguish common rock-forming minerals
• Explain how mineral composition and crystal structure relate to formation environment and stability under changing temperature and pressure
• Connect mineral assemblages to petrogenetic history and economic significance (ore minerals vs. gangue)

Learning Objectives

• Understand the difference between digital and analog communication methods.
• Identify key performance metrics such as bandwidth, signal-to-noise ratio, and channel capacity.
• Analyze tradeoffs involved in designing reliable transmission systems under noise and interference.+ Show more

Learning Objectives

• Understand the interactions between land use practices and water resources.
• Identify indicators of ecosystem resilience and long-term land productivity.
• Evaluate the impacts of land management strategies such as irrigation, terracing, and urban sprawl.+ Show more

Learning Objectives

• Describe the three main states of matter: solid, liquid, and gas.
• Explain how temperature and pressure influence phase transitions.
• Identify the behaviors and properties characteristic of each state of matter.+ Show more

Learning Objectives

• Identify natural factors that influence shoreline change
• Recognize human activities impacting coastal erosion
• Understand the processes of sediment transport and shoreline response+ 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

• Describe the main functions of various organ systems involved in maintaining human physiology.
• Explain how different organ systems communicate and coordinate actions to sustain homeostasis.
• Identify the roles of the circulatory, respiratory, digestive, renal, nervous, and endocrine systems.+ Show more

Learning Objectives

• Understand the basic role of kidneys in regulating water and electrolytes.
• Identify key processes in nephron segments related to osmoregulation.
• Recognize hormonal influences on kidney functions, such as antidiuretic hormone and aldosterone.+ Show more

Learning Objectives

• Identify different types of chemical bonds
• Understand electron transfer in ionic bonds
• Describe properties arising from ionic bonds+ Show more

Learning Objectives

• Explain the concept of force as an interaction capable of changing an object's motion.
• Identify and differentiate between contact and non-contact forces in real-world Alberta settings.
• Describe how magnitude and direction combine vectorially to represent forces.+ Show more

Learning Objectives

• Explain the relationship between displacement, velocity, acceleration, and time using constant-acceleration equations.
• Apply standard motion equations to solve numerical problems involving vehicle stopping, ski descents, and falling objects.
• Use proper units and sign conventions when substituting values into motion equations.+ Show more

Learning Objectives

• Understand how friction and aerodynamic drag oppose motion and convert mechanical energy into thermal energy.
• Identify factors that influence friction and drag in various scenarios.
• Apply quantitative models using coefficients of friction and drag coefficients to estimate resistance forces.+ Show more

Learning Objectives

• Describe different types of intermolecular forces and how they affect physical properties of molecules.
• Explain the relationship between molecular structure, polarity, and intermolecular force strength.
• Analyze trends in properties like boiling point and viscosity based on intermolecular interactions.+ Show more

Learning Objectives

• State the principle of conservation of mass for chemical reactions in closed systems.
• Use mass accounting to predict whether reactants and products can have equal total mass.
• Distinguish true mass conservation from apparent mass changes caused by gas exchange.

Learning Objectives

• Understand the components of scientific models
• Identify how models explain phenomena
• Recognize ways to refine and improve models based on new evidence+ Show more

Learning Objectives

• Differentiate physical changes from chemical changes using evidence such as state, form, and macroscopic indicators
• Describe melting, freezing, evaporation, condensation, and dissolution as physical changes and identify whether they are reversible
• Explain how energy transfer accompanies phase changes using everyday examples

Learning Objectives

• Understand the concept of dynamic systems and how they change over time.
• Identify different types of changes and patterns in system behavior.
• Analyze simple phase diagrams and interpret rate changes in systems.+ Show more

Learning Objectives

• Explain the mass conservation principle for closed chemical reactions
• Identify evidence of constant mass in sealed systems and in particle rearrangements
• Use mass accounting to describe what changes and what stays the same during reactions

Learning Objectives

• Explain the process of pulmonary gas exchange at the alveolar-capillary interface.
• Identify factors affecting oxygen uptake and carbon dioxide removal.
• Describe the mechanics of ventilation and the concept of dead space.+ Show more

Learning Objectives

• Explain the different types of physical changes such as melting, freezing, evaporation, condensation, and dissolving.
• Differentiate between reversible and irreversible physical changes.
• Describe how energy transfer occurs during phase changes.+ Show more