Grade 9 Worksheets

Learning Objectives

• Understand the principle of mass conservation in chemical reactions.
• Identify factors affecting measured mass in experiments.
• Explain why apparent mass changes occur when gases escape.+ Show more

Learning Objectives

• Understand the chemical properties of common household products.
• Analyze how chemical use benefits society and the environment.
• Evaluate risks associated with chemical exposure and handling.+ Show more

Learning Objectives

• Understand the role of sex chromosomes in inheritance.
• Identify how sex-linked traits are expressed differently in males and females.
• Explain mechanisms such as hemizygosity and dosage compensation in mammals.+ Show more

Learning Objectives

• Understand how the cardiovascular and respiratory systems work together to deliver oxygen and remove carbon dioxide.
• Identify the roles of chemoreceptors in regulating breathing and circulation.
• Describe the physiological responses to changes in blood gas levels.+ Show more

Learning Objectives

• Explain the key concepts and factors affecting population growth and decline.
• Analyze how density-dependent and density-independent factors influence populations.
• Describe species interactions and their effects on community structure.+ Show more

Learning Objectives

• Understand the fundamental role of enzymes as biological catalysts.
• Describe how enzyme structures relate to substrate specificity and catalytic efficiency.
• Explain the concepts of activation energy and transition states in enzymatic reactions.+ Show more

Learning Objectives

• Understand how collision frequency, activation energy, and reaction pathways influence reaction rates.
• Describe how temperature, concentration, and catalysts modify energy distributions and affect reaction speed.
• Explain the concepts of rate laws and reaction order through real-world examples.+ Show more

Learning Objectives

• Define key sources of genetic variation including mutation, recombination, gene flow, and chromosomal rearrangements.
• Explain how mutation rates and types affect genetic diversity.
• Describe mechanisms that increase or decrease genetic variation in populations.+ Show more

Learning Objectives

• Explain the mechanical and chemical processes involved in digestion and nutrient absorption.
• Describe the structure and function of villi and microvilli in increasing surface area for absorption.
• Understand how enzymes facilitate the hydrolysis of macronutrients into absorbable units.+ Show more

Learning Objectives

• Understand how force acts over time to change an object's momentum in collisions.
• Differentiate between elastic and inelastic collisions based on energy conservation.
• Analyze force-time graphs and energy transformations during collisions.+ Show more

Learning Objectives

• Identify the main components of a cell.
• Describe the functions of key organelles.
• Understand how cell structure relates to its function.

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

• Interpret molecular and phenotypic information to infer inheritance patterns.
• Understand techniques such as PCR markers, SNP variants, and sequencing reads.
• Compare observed data to expected ratios to detect linkage, heterozygosity, or selection.+ Show more

Learning Objectives

• Describe how the hypothalamus links neural inputs to hormonal responses.
• Identify the structural specializations that support neuroendocrine regulation.
• Explain how anatomical features like fenestrated capillaries and portal vessels enable precise hormonal control.+ 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

• Explain the differences between primary and secondary succession.
• Identify factors that influence ecosystem succession stages.
• Analyze species traits and dispersal mechanisms involved in succession.+ Show more

Learning Objectives

• Identify key components of the immune system
• Differentiate between innate and adaptive immune responses
• Explain how immune communication integrates with other body systems

Learning Objectives

• Understand the concepts of heat transfer mechanisms including conduction, convection, and radiation.
• Apply mathematical formulas involving specific heat capacity, mass, and temperature change to calculate thermal energy transfer.
• Explain sign conventions for heat flow and energy change in closed systems.+ Show more

Learning Objectives

• Understand how Earth's orbital parameters influence climate and insolation patterns.
• Explain tidal forcing from the Moon and Sun through gravitational effects and geometry.
• Connect orbital dynamics to observational climate phenomena such as day length and tidal ranges.

Learning Objectives

• Compare Christmas traditions across different cultures around the world.
• Identify unique customs, foods, and celebrations associated with Christmas in various countries.
• Understand how local history and beliefs influence holiday customs.+ Show more

Learning Objectives

• Explain surface and subsurface water flow processes using water-budget frameworks.
• Interpret discharge hydrographs and groundwater level records for streamflow analysis.
• Relate precipitation, evapotranspiration, and human withdrawals to water resource variability.+ Show more

Learning Objectives

• Understand and define electric current, voltage, and resistance as fundamental electrical quantities.
• Interpret the units and symbols associated with electric current, voltage, and resistance.
• Apply qualitative reasoning to regional electrical systems including transmission, household circuits, and manufacturing components.+ Show more

Learning Objectives

• Identify the different types of energy in mechanical systems.
• Describe how energy transfers occur through work, collisions, and friction.
• Explain how mechanical energy is converted into thermal energy.+ Show more

Learning Objectives

• Understand how optical and electron microscopes produce magnified images of specimens.
• Explain the concepts of magnification, resolution, and contrast in microscopy.
• Identify the differences between light and electron microscopes in terms of application and capabilities.+ Show more

Learning Objectives

• Develop skills to critically analyze historical sources and evidence.
• Evaluate the credibility, perspective, and relevance of different sources such as treaties, photographs, and government records.
• Understand how evidence shapes historical narratives, considering Indigenous and settler viewpoints.+ Show more

Learning Objectives

• Explain how chemical reactions rearrange atoms to form new products while conserving mass
• Interpret balanced chemical equations to connect qualitative observations with quantitative particle counts
• Identify and compare common types of chemical reactions such as combustion, synthesis, and decomposition+ Show more

Learning Objectives

• Understand the components and organization of trophic levels in ecosystems.
• Describe how energy flows through food chains and webs.
• Explain the concepts of trophic efficiency and trophic cascades.+ Show more

Learning Objectives

• Explain the movement of elements such as carbon, nitrogen, and phosphorus among Earth's reservoirs.
• Identify key processes like photosynthesis, decomposition, nitrogen fixation, and weathering in biogeochemical cycles.
• Analyze how fluxes and reservoir sizes influence ecosystem responses to environmental disturbances.+ Show more

Learning Objectives

• Understand the mechanisms driving divergent, convergent, and transform plate boundaries.
• Identify surface expressions such as mid-ocean ridges, subduction zones, and transform faults.
• Analyze evidence like seafloor age patterns, paleomagnetic stripes, and earthquake distributions related to plate tectonics.+ Show more

Learning Objectives

• Understand the concept of friction and how it opposes relative motion between surfaces.
• Differentiate between static and kinetic friction and their effects during motion.
• Explain factors that influence the magnitude of frictional forces, including surface properties and normal force.+ Show more

Learning Objectives

• Define net force and explain its significance in motion.
• Identify forces acting on an object and determine their vector sum.
• Understand how balanced and unbalanced forces affect motion.+ Show more

Learning Objectives

• Explain power as the rate of energy transfer and use the correct units to compare power values.
• Differentiate average power and instantaneous power in simple energy-transfer situations.
• Calculate and interpret mechanical efficiency as useful work or output energy divided by input energy.+ Show more

Learning Objectives

• Understand the principle of conservation of mass in closed systems during chemical reactions.
• Explain how total mass of reactants equals total mass of products in chemical processes.
• Differentiate between apparent mass changes caused by gas exchange and true mass conservation.+ Show more

Learning Objectives

• Understand key concepts related to Science
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Factorise quadratics into the form (x − r)(x − s)
• Use the zero-product property to find solutions of (x − r)(x − s) = 0
• Interpret the number and location of solutions from the factors

Learning Objectives

• Interpret what a factor does to the value of an expression (multiplying a whole quantity).
• Use coefficients to explain how scaling changes an output.
• Interpret exponents as repeated multiplication and apply this meaning in expressions.+ Show more

Learning Objectives

• Explain key Enlightenment ideals such as reason, liberty, and progress.
• Describe how thinkers like John Locke and Voltaire influenced political philosophy.
• Analyze how Enlightenment ideas helped shape modern political institutions and reforms.+ Show more

Learning Objectives

• Explain key Enlightenment ideals such as reason, liberty, and progress and how they influenced political thinking.
• Describe how Locke’s ideas about natural rights and accountability shaped views of government.
• Analyze how Voltaire’s criticism of intolerance and the separation of powers influenced modern political institutions.

Learning Objectives

• Explain how gas exchange at the alveolar–capillary interface depends on diffusion driven by partial pressure gradients, surface area, and membrane thickness.
• Describe how ventilation mechanics and anatomical dead space affect effective breathing and gas exchange efficiency.
• Analyze how oxygen uptake and carbon dioxide removal depend on haemoglobin affinity, perfusion matching, and ventilation–perfusion relationships.

Learning Objectives

• Understand the role of DNA, RNA, and protein sequences in evolutionary studies.
• Identify homologous genes and their significance in determining common ancestry.
• Explain the concept of molecular clocks and how sequence divergence estimates divergence times.+ Show more

Learning Objectives

• Explain power as the rate of energy transfer or the rate of doing work.
• Compare situations using power by considering both energy and time.
• Use examples (e.g., motors and appliances) to reason about why higher power changes how quickly something happens.+ Show more

Learning Objectives

• Identify key details about nucleotides as the building blocks of nucleic acids
• Explain basic structural features of DNA and RNA at a Grade 9 level
• Use passage information to answer questions about stability and information flow

Learning Objectives

• Evaluate the credibility of historical sources by considering origin, purpose, and context.
• Analyze how perspective and bias can shape what evidence shows (and what it leaves out).
• Build evidence-based historical claims that connect specific sources to a historical question.

Learning Objectives

• Understand the concept of work in physics.
• Learn how work relates to energy transfer.
• Identify examples of positive and negative work in everyday activities.

Learning Objectives

• Understand the concept of work in physics
• Identify different forms of energy (kinetic and potential)
• Calculate work done by a force+ Show more

Learning Objectives

• Distinguish chemical changes from physical changes by linking observable evidence to new substances.
• Identify common indicators of chemical change: temperature change, gas production, precipitate formation, and persistent colour change.
• Explain chemical change using a microscopic reactant-to-product model rather than only macroscopic rearrangement.

Learning Objectives

• Understand the key ethical considerations in biotechnology.
• Analyze benefits and risks associated with genetic manipulation.
• Explore societal and environmental implications of biotech advances.+ Show more

Learning Objectives

• Evaluate a speaker’s argument by analyzing point of view, reasoning, and use of evidence.
• Determine whether evidence directly supports a claim or only replaces it with a vague assertion.
• Analyze rhetorical choices and appeals to explain how they shape audience interpretation.