Grade 9 Science Worksheets

Learning Objectives

• Explain the hydrologic (water) cycle as the movement and exchange of water among atmosphere, surface water, and subsurface reservoirs.
• Describe how evaporation, condensation, precipitation, infiltration, runoff, and groundwater flow contribute to water availability.
• Analyze how residence time and water fluxes differ among reservoirs and affect how quickly water returns to ecosystems.+ Show more

Learning Objectives

• Interpret information presented in graphs and tables by describing trends, spread, and outliers.
• Select and explain appropriate axis labels, scales, and units to support valid comparisons.
• Use reasoning from data representations to determine what conclusions are supported.

Learning Objectives

• Understand the principles of chemical change and mass conservation in environmental contexts.
• Interpret observable evidence of environmental transformations using particulate and atomic explanations.
• Apply mass accounting and system boundary concepts to analyze regional environmental issues.+ Show more

Learning Objectives

• Understand the principles of predicting reaction products using patterns and conservation laws.
• Identify common reaction types and their expected products.
• Apply knowledge of reactant properties and bonding to forecast outcomes in chemical reactions.+ Show more

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 concept and notation of element symbols and chemical formulas.
• Identify common chemical formulas for familiar substances.
• Explain the importance of balanced chemical formulas in scientific communication.+ Show more

Learning Objectives

• Explain the processes involved in chemical reactions, including atom and bond rearrangements.
• Identify and describe common types of chemical reactions such as combustion, synthesis, and decomposition.
• Understand how symbolic equations represent chemical reactions and relate to mass relationships.+ Show more

Learning Objectives

• Identify observable signs indicating chemical change in materials.
• Distinguish between physical and chemical changes using key markers.
• Explain real-world examples of evidence of chemical change in environmental and industrial contexts.+ Show more

Learning Objectives

• Understand the principle of mass conservation in chemical reactions.
• Explain how mass remains constant in sealed systems during chemical processes.
• Apply the concept of conservation of mass to real-world regional contexts such as emissions and resource processing.+ Show more

Learning Objectives

• Understand the principle of conservation of atoms and mass in chemical reactions.
• Learn how to balance chemical equations to reflect mass preservation.
• Link symbolic chemical formulas to measurable mass relationships in reactions.+ Show more

Learning Objectives

• Distinguish between mixtures and solutions based on uniformity and separability.
• Identify the roles of solute and solvent in a solution.
• Explain how concentration affects the appearance and behavior of mixtures.+ Show more

Learning Objectives

• Explain the particle model as a representation of matter in different states.
• Describe how particle spacing, motion, and collisions explain macroscopic phenomena such as diffusion and pressure.
• Link observable behaviour of solids, liquids, and gases to particle arrangement and motion using Alberta examples.

Learning Objectives

• Define and describe observable properties of materials.
• Identify common observable properties such as colour, hardness, and solubility.
• Explain how observable properties are used to classify and distinguish substances.+ 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

• Define and explain physical changes and their characteristics.
• Differentiate between physical changes and chemical transformations.
• Identify real-world examples of physical changes in various environments.+ 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

• Define inertia and explain its significance in motion.
• Identify real-life examples of Newton's First Law.
• Differentiate between static and dynamic equilibrium.+ Show more

Learning Objectives

• Explain what electron configuration represents and how it describes electron distribution in shells and orbitals.
• Determine how valence electrons influence reactivity, ion formation, and bonding patterns.
• Use electron configuration ideas to predict periodic trends in atomic size and ionization energy.+ Show more

Learning Objectives

• Explain the differences between ionic, covalent, and metallic bonds, including bond energies, polarity, and lattice structures.
• Illustrate how Lewis structures and electron sharing/transfer models explain molecular shapes and intermolecular forces.
• Connect atomic electron configurations to properties such as melting point, conductivity, and solubility.+ Show more

Learning Objectives

• Describe the organization of the nervous system from neurons to neural circuits.
• Explain how action potentials and synaptic transmission propagate signals.
• Understand how cellular features influence conduction velocity and processing capacity.+ Show more

Learning Objectives

• Understand the concept of work in relation to force, displacement, and energy transfer.
• Identify how positive and negative work affect an object's energy.
• Describe different scenarios where work is done, such as lifting, pushing, and compressing objects.+ Show more

Learning Objectives

• Explain how the Earth–Moon–Sun geometry produces lunar phases and why phases repeat on a roughly monthly cycle
• Describe the conditions needed for solar and lunar eclipses, including the role of orbital nodes and inclination
• Distinguish between partial, total, and annular eclipses and relate eclipse/phase observations to real-world timekeeping and navigation

Learning Objectives

• Understand the functional interactions among various body systems that maintain homeostasis.
• Analyze feedback mechanisms and set points involved in physiological regulation.
• Describe how systems such as cardiovascular, respiratory, renal, and nervous coordinate responses.+ Show more

Learning Objectives

• Understand how mechanical systems contain and exchange energy as kinetic or potential energy.
• Explain how energy transfers occur through work, collisions, and frictional dissipation into heat.
• Describe pathways of energy conversion in systems such as braking a bicycle or compressing a spring.+ Show more

Learning Objectives

• Understand the concepts of resilience and resistance in ecosystems.
• Identify factors that influence ecosystem stability and recovery.
• Analyze how ecological thresholds can lead to regime shifts.+ Show more

Learning Objectives

• Understand how mechanical systems transfer energy through work, collisions, and friction.
• Explain the transformation of energy from kinetic and potential forms to thermal energy.
• Analyze real-world examples like braking a bicycle or compressing a spring to describe energy conversion pathways.+ Show more

Learning Objectives

• Understand the process of light reactions in photosynthesis
• Identify the roles of pigments, electron transport, and ATP synthase in light-driven energy conversion
• Explain how water splitting replenishes electrons and releases oxygen during photosynthesis+ 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 structural differences between prokaryotic and eukaryotic cells.
• Identify key components found in each cell type and their functions.
• Explain how cell structure relates to biological roles and evolution.

Learning Objectives

• Understand the structure and function of the plasma membrane in cells.
• Differentiate between passive and active transport processes across cell membranes.
• Identify types of membrane proteins involved in transport and communication.+ Show more

Learning Objectives

• Understand the concept of chemical change and how it differs from physical change.
• Identify observable indicators of chemical reactions such as temperature change, gas production, precipitate formation, and color change.
• Interpret the microscopic processes involved in chemical reactions and distinguish them from physical rearrangements.+ Show more

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 basic definition of a force and how it affects objects.
• Identify different types of forces, including contact and non-contact forces.
• Recognize real-world examples of forces in Alberta settings.+ Show more

Learning Objectives

• Describe the steps and purpose of the Calvin cycle in photosynthesis.
• Explain the role of enzymes such as ribulose bisphosphate carboxylase in carbon fixation.
• Identify the energy carriers ATP and NADPH and their roles in the cycle.+ Show more

Learning Objectives

• Describe the structure of an atom, including protons, neutrons, and electrons.
• Explain how the number of protons determines the element identity.
• Understand the concept of isotopes and their effect on atomic mass and stability.+ Show more

Learning Objectives

• Distinguish contact forces from non-contact forces using real examples.
• Describe forces qualitatively by identifying magnitude, direction, and point of application.
• Represent interactions between objects and identify action–reaction pairs.

Learning Objectives

• Understand the symbolic representation of reactants and products in chemical equations.
• Explain the importance of balancing chemical equations to reflect conservation of atoms and mass.
• Identify examples of chemical reactions such as combustion and water formation to demonstrate stoichiometry.+ Show more

Learning Objectives

• Understand the concept of homeostasis and its importance in maintaining internal body conditions.
• Identify the key body systems involved in homeostasis and their roles.
• Describe feedback mechanisms that help regulate internal environments.+ Show more

Learning Objectives

• Understand the relationship between force, mass, and acceleration
• Interpret vector quantities of force and acceleration
• Analyze net force by summing components+ Show more

Learning Objectives

• Identify specialized organelles in various cell types
• Understand how organelle structure relates to cell function
• Explore differences in organelle abundance across tissues+ Show more

Learning Objectives

• Understand how fossils contribute to the evidence for evolution
• Identify the role of anatomical comparisons in evolutionary studies
• Recognize how molecular data is used to assess relatedness among organisms+ Show more

Learning Objectives

• Define adaptive radiation and explain its significance in evolution.
• Identify key features and processes involved in adaptive radiation.
• Analyze examples of adaptive radiation in nature.

Learning Objectives

• Understand the role of DNA, RNA, and proteins in evolutionary studies.
• Learn how sequence similarities and divergences inform common ancestry.
• Explore how molecular clocks estimate divergence times between species.

Learning Objectives

• Understand the principle of action–reaction force pairs in Newton's third law.
• Identify examples of force pairs in various physical interactions.
• Distinguish between internal and external forces within multibody systems.+ Show more

Learning Objectives

• Explain the process of electron transport chains in mitochondria and chloroplasts.
• Identify the role of proton gradients and chemiosmosis in ATP synthesis.
• Differentiate between mitochondrial and thylakoid electron transport systems.+ Show more

Learning Objectives

• Understand how DNA, RNA, and protein sequences are used to infer evolutionary relationships.
• Identify the significance of homologous genes and conserved sequences in common ancestry.
• Explain the concept of molecular clocks and how sequence divergence estimates divergence times.+ Show more

Learning Objectives

• Understand how resource extraction impacts ecosystems and landforms.
• Identify the effects of pollution and material cycle shifts due to resource use.
• Evaluate criteria for sustainability including renewability and environmental effects.+ Show more

Learning Objectives

• Describe the basic principles of how electric motors and generators operate.
• Identify different types of motors and their applications.
• Match performance characteristics of electromagnetic devices to load requirements.+ Show more