Grade 9 Worksheets

Learning Objectives

• Explain Mendelian inheritance and predict phenotypic ratios for simple dominant–recessive traits.
• Compare Mendelian and non-Mendelian inheritance patterns (incomplete dominance, codominance, multiple alleles, polygenic traits, sex-linked, imprinting, and mitochondrial transmission).
• Identify how linkage between genes and environmental interactions can change expected inheritance outcomes.

Learning Objectives

• Explain how Earth’s axial tilt and its orbit around the Sun cause seasonal changes.
• Describe how the Sun’s angle and daylight length affect solar energy received at different latitudes.
• Use Earth–Sun geometry to connect specific dates with patterns in day length.

Learning Objectives

• Explain how endocrine hormones maintain internal stability using feedback loops
• Describe how insulin and glucagon regulate blood glucose levels through receptor-mediated cellular actions
• Compare negative and positive feedback in hormonal control, including how thyroid hormones influence metabolic rate+ Show more

Learning Objectives

• Describe how objects move using scalar and vector measures such as speed, velocity, and acceleration.
• Explain the differences between speed, velocity, and acceleration with real-world examples.
• Apply unit conversions and sign conventions to analyze and compare motion in different regional contexts.+ Show more

Learning Objectives

• Understand the conditions that produce solar and lunar eclipses
• Recognize the orbital relationships among Sun, Earth, and Moon during eclipses
• Explain how orbital inclinations limit eclipse occurrences+ Show more

Learning Objectives

• Understand the concept of albedo feedback and its role in climate change.
• Identify factors that influence surface reflectivity and their effects.
• Analyze how changes in ice, snow, vegetation, and clouds contribute to climate feedbacks.+ Show more

Learning Objectives

• Explain the concept of friction and how it opposes motion.
• Differentiate between static and kinetic friction.
• Describe factors influencing the magnitude of frictional force.+ Show more

Learning Objectives

• Explain the geological processes responsible for mountain formation, including plate convergence and continental collision.
• Identify the types of geological features produced by mountain building processes, such as fold-and-thrust belts.
• Describe the effects of weathering and erosion on mountain landscapes over time.+ Show more

Learning Objectives

• Explain how energy is transferred among organisms in a food chain.
• Describe the concept of energy transfer efficiency and its impact on biomass.
• Interpret evidence like population sizes, biomass trends, and nutrient concentrations to analyze trophic levels.+ Show more

Learning Objectives

• Understand how forces and energy interactions affect complex mechanical systems.
• Analyze net forces and predict system motion during collisions and assemblies.
• Evaluate energy transfers and dissipative forces within interconnected systems.+ Show more

Learning Objectives

• Define and distinguish between physical and chemical changes.
• Identify everyday examples of physical changes in various environments.
• Explain the reversibility of physical changes and how they conserve the identity of substances.+ Show more

Learning Objectives

• Understand the principles of mole ratios in balanced chemical equations.
• Apply molar mass conversions to relate mass and moles in reactions.
• Analyze limiting reagents and determine theoretical yields in chemical reactions.+ Show more

Learning Objectives

• Understand the roles of different organ systems in maintaining homeostasis.
• Identify the functions of the circulatory, respiratory, digestive, renal, nervous, and endocrine systems.
• Explain how organ systems communicate and regulate physiological processes.+ Show more

Learning Objectives

• Explain what net force is and how it affects motion.
• Differentiate between balanced and unbalanced forces.
• Resolve forces into components and calculate the net force.+ Show more

Learning Objectives

• Describe the chemical structures of DNA and RNA and the role of nucleotides.
• Explain the significance of double helix formation, antiparallel strands, and base pairing in DNA.
• Differentiate between DNA and RNA in terms of structure and function.+ Show more

Learning Objectives

• Analyze different argument structures used in scientific reasoning.
• Identify premises and conclusions in argument-based texts.
• Evaluate the strength and validity of argument components.+ Show more

Learning Objectives

• Identify the three main types of chemical bonds: ionic, covalent, and metallic.
• Describe the electron arrangements involved in each bond type.
• Explain how bond types influence physical and chemical properties of substances.+ Show more

Learning Objectives

• Understand the basic concepts of forces, including contact and non-contact forces.
• Identify and describe real-world examples of forces in Alberta settings.
• Apply qualitative reasoning to analyze opposing forces before numerical calculation.+ Show more

Learning Objectives

• Describe the main steps involved in glycolysis.
• Identify key enzymes and intermediates in glycolysis.
• Explain the energy investment and payoff phases of glycolysis.+ Show more

Learning Objectives

• Understand how mass measurements reflect the conservation of atoms during chemical reactions.
• Identify factors affecting measured mass, such as gaseous product escape and external influences.
• Explain the importance of defining system boundaries and accounting for all phases in mass analysis.+ Show more

Learning Objectives

• Explain the process of seafloor spreading at mid-ocean ridges.
• Identify the evidence supporting episodic seafloor spreading rates.
• Describe how magnetic striping patterns provide evidence for oceanic crust formation.+ Show more

Learning Objectives

• Describe the subatomic particles involved in atomic structure including protons, neutrons, and electrons.
• Explain electron configurations and the concept of quantized energy levels.
• Understand how the periodic table arranges elements based on valence electrons and how this influences chemical behavior.+ Show more

Learning Objectives

• Explain how collision frequency, activation energy, and reaction pathways influence reaction rates.
• Describe how temperature, concentration, and catalysts alter energy distributions and affect reaction speeds.
• Interpret rate laws and determine reaction order from experimental data.+ Show more

Learning Objectives

• Explain the concept of centripetal force and its role in circular motion.
• Describe how speed and radius affect the acceleration in circular motion.
• Analyze the forces, such as tension and friction, that keep objects moving in a circular path.+ Show more

Learning Objectives

• Understand the concept of relative motion and how velocities combine in different reference frames.
• Describe how observed speed and direction depend on the observer's frame of reference.
• Apply vector addition principles to various motion scenarios involving boats, trucks, and aircraft.+ Show more

Learning Objectives

• Explain the formation and features of subduction zones.
• Describe the processes of slab dehydration and arc volcanism.
• Identify hazards associated with subduction zones, including earthquakes and tsunamis.+ Show more

Learning Objectives

• Understand the concept of homeostatic feedback loops
• Identify the components involved in feedback mechanisms
• Differentiate between negative and positive feedback+ Show more

Learning Objectives

• Understand the role of sunlight in providing energy to primary producers.
• Describe the process of photosynthesis and its importance.
• Explain how energy moves through trophic levels in an ecosystem.+ Show more

Learning Objectives

• Understand how nutrition affects cellular and system health
• Interpret epidemiological evidence linking lifestyle choices to health outcomes
• Recognize physiological mechanisms such as oxidative stress and inflammation+ Show more

Learning Objectives

• Identify synthesis reactions based on reactant-product patterns
• Differentiate synthesis reactions from other reaction types
• Understand the observable outcomes of synthesis reactions+ Show more

Learning Objectives

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

Learning Objectives

• Identify features of divergent plate boundaries
• Understand geological processes at different plate boundaries
• Recognize landforms resulting from plate movements+ Show more

Learning Objectives

• Understand the sources of carbon data used in scientific research
• Identify how ice cores and marine sediments provide information about past climates
• Recognize the significance of isotopes, gas ratios, and carbon fluxes in climate studies+ Show more

Learning Objectives

• Understand the structure and function of the cell membrane
• Describe how cell membranes regulate the transport of nutrients and wastes
• Recognize the importance of cellular homeostasis+ Show more

Learning Objectives

• Understand the basic chemical structures of DNA and RNA.
• Identify the differences between DNA and RNA in terms of structure and function.
• Explain how nucleic acid structures enable genetic processes like replication and transcription.

Learning Objectives

• Understand the concept of action–reaction force pairs
• Identify force pairs in various real-world scenarios
• Recognize that forces in an action–reaction pair act on different objects+ Show more

Learning Objectives

• Understand the concept of work in physics.
• Learn how force and displacement relate to work.
• Distinguish between positive and negative work.+ Show more

Learning Objectives

• Understand the basic components and forces in mechanical systems.
• Analyze how forces interact within systems to produce motion.
• Identify energy transfers and dissipative processes in mechanical interactions.+ Show more

Learning Objectives

• Understand how mechanical and chemical digestion process food.
• Identify the structure and function of villi and microvilli in nutrient absorption.
• Describe enzymatic hydrolysis and its role in digesting nutrients.+ Show more

Learning Objectives

• Identify claims, evidence, and reasoning within scientific paragraphs.
• Understand the structure of scientific arguments.
• Recognize how evidence supports claims in science.+ Show more

Learning Objectives

• Understand different types of measurement uncertainty, including random and systematic errors.
• Learn how statistical descriptors like standard deviation and standard error quantify uncertainty.
• Comprehend the concept of confidence intervals and their importance in data interpretation.+ Show more

Learning Objectives

• Understand how to interpret position–time graphs.
• Learn what the slope of a position–time graph indicates about velocity.
• Identify different types of motion represented on graphs.+ Show more

Learning Objectives

• Understand what homeostasis is
• Identify the importance of maintaining internal stability
• Recognize the body systems involved in homeostasis+ Show more

Learning Objectives

• Understand the common mechanisms of energy loss in electrical systems.
• Identify strategies to minimize resistive losses and optimize device selection.
• Analyze how system design impacts overall energy efficiency and environmental impact.

Learning Objectives

• Understand the process of electron transport chains in mitochondria and chloroplasts.
• Identify key components involved in electron transport.
• Explain how electron flow leads to ATP synthesis.+ Show more

Learning Objectives

• Define enzyme regulation and its importance in metabolism.
• Identify mechanisms of enzyme regulation including allosteric control, inhibition, covalent modification, and gene expression.
• Describe how environmental factors like temperature and pH influence enzyme activity.+ Show more

Learning Objectives

• Understand the structure of the plasma membrane.
• Describe the functions of different proteins in the membrane.
• Differentiate between passive and active transport mechanisms.+ Show more

Learning Objectives

• Identify factors affecting chemical equilibrium such as temperature, pressure, concentration, and catalysts.
• Explain how these factors influence the position of equilibrium in chemical reactions.
• Understand principles of kinetics that impact reaction rates.+ Show more