Grade 9 Science Worksheets

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 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

Learning Objectives

• Understand the principles of metric measurement and instrument resolution.
• Explain the importance of calibration for reliable data.
• Relate raw measurements to data representation and analysis.+ Show more

Learning Objectives

• Explain how metric units and instrument resolution affect the accuracy of quantitative measurements.
• Describe why calibration and consistent measurement protocols improve reliability and comparability of data.
• Connect measurement uncertainty to evidence, tables, and graphs when making scientific claims.

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

• Explain how evidence chains connect observations, quantitative analysis, and model outputs to explanatory claims
• Evaluate whether evidence is sufficient and consistent across multiple independent measures
• Use graphs and statistical summaries to justify inferences while making assumptions and uncertainties explicit+ Show more

Learning Objectives

• Explain how compound machines combine multiple simple machines to change force and speed
• Calculate overall mechanical advantage using force and displacement relationships under ideal assumptions
• Compare ideal mechanical advantage to real performance by accounting for friction and deformation+ Show more

Learning Objectives

• Explain how physical and cellular innate immune defenses protect against pathogens and environmental insults.
• Describe how antigen recognition leads to adaptive immune responses, including antibody-mediated actions and memory formation.
• Evaluate how inflammation, nutritional status, stress, and environmental exposures can affect immune competence and organ system integrity.

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

• Apply conservation of atoms to predict reaction products from balanced chemical reactions.
• Use reaction-type patterns (synthesis, decomposition, oxidation, neutralization) to make reasonable product predictions.
• Explain how reactant identities and typical bonding tendencies determine expected products.

Learning Objectives

• Identify major organelles in eukaryotic cells and describe their key functions.
• Explain how membrane structure and compartmentalization affect transport and metabolic rates.
• Relate cytoskeleton structure to cell shape and internal transport.

Learning Objectives

• Evaluate how lifestyle and environmental factors influence human health at both cellular and system levels.
• Interpret evidence from correlations and propose plausible mechanisms that explain observed health outcomes.
• Explain how sleep, nutrition, physical activity, tobacco exposure, and pollutant inhalation can affect the body through pathways such as oxidative stress, chronic inflammation, and disrupted transport or signaling.

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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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 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

• 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

• 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

• 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

• 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

• 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

• 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

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

Learning Objectives

• Identify when an object is speeding up or slowing down based on data patterns.
• Interpret distance–time and speed–time graphs to recognize acceleration trends.
• Differentiate between constant acceleration and changing acceleration using data.+ Show more

Learning Objectives

• Understand the concept of limiting reactants in chemical reactions.
• Identify the limiting reactant given initial quantities of reactants.
• Calculate theoretical yield based on mole ratios and molar masses.+ Show more

Learning Objectives

• Understand the concept of seafloor spreading at mid-ocean ridges.
• Identify how magnetic striping patterns provide evidence for seafloor spreading.
• Explain the cycle of creation and consumption of ocean basins.+ 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 the purpose of creating prototypes in scientific experiments
• Learn how prototypes provide evidence to evaluate design performance
• Identify different types of evidence used to assess prototypes+ Show more

Learning Objectives

• Learn what error bars represent in scientific graphs.
• Interpret measurement uncertainty and its visual indicators.
• Recognize when uncertainty overlaps and what that implies.+ Show more

Learning Objectives

• Understand the concept of energy profiles in chemical reactions
• Identify exothermic and endothermic reactions from energy graphs
• Describe transition states and activation energy barriers+ 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

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

Learning Objectives

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