Grade 9 Science Worksheets

Learning Objectives

• Identify the symbols of common elements.
• Understand how chemical formulas represent compounds.
• Learn the significance of element symbols in scientific communication.+ Show more

Learning Objectives

• Understand the chemical processes involved in acid deposition
• Identify the environmental impacts of acid rain on limestone formations
• Analyze real-world examples of acid rain effects in regional contexts+ Show more

Learning Objectives

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

Learning Objectives

• Understand how electricity is generated at power plants.
• Learn the basic steps of initial electricity transmission from power plants.
• Identify components of modern power distribution systems.+ Show more

Learning Objectives

• Identify the characteristics of series and parallel circuits
• Explain how current and voltage behave in different circuit arrangements
• Recognize real-world examples of series and parallel circuits+ Show more

Learning Objectives

• Identify different renewable energy sources such as wind, solar, and hydroelectric power.
• Understand the basic functions of these renewable sources in electricity generation.
• Comprehend the importance of integrating renewable sources into the electrical grid.+ Show more

Learning Objectives

• Understand the importance of device ratings in electrical systems
• Identify appropriate uses for various electrical devices
• Evaluate safety measures related to electrical device implementation+ Show more

Learning Objectives

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

Learning Objectives

• Understand methods for assessing the fit between models and empirical data.
• Interpret residual plots and goodness-of-fit measures to evaluate models.
• Identify patterns indicating issues like heteroscedasticity or missing variables.+ Show more

Learning Objectives

• Understand the basic steps of the Calvin cycle
• Identify the key enzymes involved in carbon fixation
• Explain how plants synthesize sugars during photosynthesis+ Show more

Learning Objectives

• Understand the mechanisms driving surface and deep ocean currents.
• Identify features like gyres, upwelling zones, and boundary currents.
• Explain how ocean circulation influences regional climates and weather patterns.+ Show more

Learning Objectives

• Define and distinguish between physical and chemical changes.
• Identify examples of physical changes such as melting, freezing, evaporation, condensation, and dissolving.
• Explain how energy transfer relates to phase changes.+ Show more

Learning Objectives

• Explain how feedback loops help maintain homeostasis in multi-system coordination.
• Describe how redundancy and cross-regulation allow the body to compensate for disruptions.
• Analyze how exercise triggers neural, hormonal, and local signals across respiratory, cardiovascular, and metabolic pathways.+ Show more

Learning Objectives

• Understand that elements are defined by specific numbers of protons and their unique symbols.
• Describe how atomic models represent the atomic identity of elements.
• Identify properties of representative elements, including atomic mass and symbolism.+ Show more

Learning Objectives

• Define adaptive radiation and explain its significance in evolution.
• Describe the ecological and genetic factors that drive adaptive radiations.
• Identify examples of adaptive radiation in the natural world.+ Show more

Learning Objectives

• Explain how negative feedback helps maintain internal stability in hormone-regulated systems (e.g., glucose homeostasis and thyroid control).
• Describe how hormones are synthesized, transported in blood, and produce cellular effects through receptor-mediated mechanisms.
• Compare hormone half-life and feedback loop timing to predict how endocrine systems respond to changing conditions.

Learning Objectives

• Understand how multiple organ systems coordinate through feedback loops and regulatory mechanisms.
• Describe how neural, hormonal, and local signals contribute to homeostasis during exercise.
• Analyze the cascade effects caused by disruptions in one component of multi-system networks.+ Show more

Learning Objectives

• Understand the sequence and function of catabolic and anabolic pathways
• Explain how energy is harvested and stored in metabolic processes
• Identify mechanisms regulating pathway activity in cells+ Show more

Learning Objectives

• Understand the basic concepts of metabolic pathways and their organization in cells.
• Differentiate between catabolic and anabolic pathways and their roles in energy management.
• Describe mechanisms of pathway regulation, including feedback inhibition and compartmentalization.+ Show more

Learning Objectives

• Describe various types of species interactions such as competition, predation, and mutualism.
• Explain the role of keystone species and ecosystem engineers in community structure.
• Analyze indirect effects and emergent properties using network approaches.+ Show more

Learning Objectives

• Identify elements and their ratios in chemical formulas.
• Distinguish between covalent and ionic bonds and their effects.
• Understand the law of definite composition.+ Show more

Learning Objectives

• Understand the principle of conservation of atoms and mass in chemical reactions.
• Apply techniques to balance chemical equations accurately.
• Connect symbolic equations to measurable mass relationships in chemical processes.+ Show more

Learning Objectives

• Explain how particle arrangement and electrical forces influence melting point and electrical conductivity.
• Differentiate ionic lattices, covalent networks, and molecular solids using particle behavior.
• Use material-property evidence to infer the likely type of bonding or lattice structure.

Learning Objectives

• Understand how magnetic fields arise from permanent magnets and moving electric charges.
• Identify the pattern of magnetic field lines around various magnetic objects.
• Explain the relationship between electric currents and magnetic field orientation.+ Show more

Learning Objectives

• Explain how empirical observations, quantitative analyses, and model outputs can be connected to form an evidence-based explanatory claim.
• Use standards of sufficiency and consistency to judge whether evidence is strong enough to support an inference.
• Compare competing explanations by checking which explanation best matches multiple lines of evidence and why.+ Show more

Learning Objectives

• Explain Mendelian inheritance using dominant/recessive phenotypes and genotype ratios
• Compare non-Mendelian patterns (incomplete dominance, codominance, multiple alleles, polygenic, sex-linked, imprinting, mitochondrial) to Mendelian expectations
• Apply gene interaction ideas (environmental effects and linkage) to predict why phenotype ratios change

Learning Objectives

• Understand Mendelian inheritance patterns including dominant and recessive alleles
• Distinguish between genotype and phenotype
• Use Punnett squares to predict trait inheritance+ Show more

Learning Objectives

• Explain how endocrine glands produce hormones that regulate long-term body processes through feedback mechanisms.
• Describe negative and positive feedback loops using glucose homeostasis (insulin and glucagon) as an example.
• Connect hormone transport, receptor-mediated action, and cellular effects (enzyme activity and gene expression).+ Show more

Learning Objectives

• Explain how scientific models use observable evidence to represent causal mechanisms and predict outcomes.
• Identify how changing assumptions, parameters, or relationships can refine a model when evidence conflicts with predictions.
• Evaluate whether a model’s structure supports explanation within its valid limits.

Learning Objectives

• Explain how measurement limitations and model differences create uncertainty in scientific results.
• Identify common sources of error, including instrument limits, human judgment, environmental variation, and simplifications.
• Interpret uncertainty by relating it to how much results could deviate from the true value and how confidence changes when uncertainty is large.

Learning Objectives

• Interpret acceleration using speed–time and distance–time data during measured intervals.
• Determine whether acceleration is approximately constant or changing from the shape of a data curve or the pattern of slopes.
• Explain how acceleration direction relates to the direction of speed change.

Learning Objectives

• Explain how climate variability is identified by comparing weather-related measurements over longer time scales.
• Distinguish climate variability from long-term climate change using evidence from temperature, precipitation, and wind/humidity patterns.
• Interpret how large-scale ocean-atmosphere interactions (such as El Niño) can shift regional weather statistics.

Learning Objectives

• Explain how prototypes provide observable evidence linked to success criteria.
• Identify appropriate metrics (e.g., flow rate, temperature change, accuracy) for evaluating prototype performance.
• Use test results to decide whether to refine a design or revise the approach.

Learning Objectives

• Explain how an iteration loop uses test evidence to improve a design repeatedly until it meets criteria.
• Describe how design cycle changes (dimensions, materials, alignment, and component interactions) relate to observed test results.
• Evaluate reliability and safety margin considerations during repeated revisions.

Learning Objectives

• Understand how carbon records from various proxies reveal past atmospheric conditions.
• Identify the methods used to analyze past greenhouse gas concentrations and climate variability.
• Evaluate the significance of combining proxy data with instrumental measurements to assess recent climate change.+ Show more

Learning Objectives

• Understand the differences between optical and electron microscopes
• Explain key concepts of magnification, resolution, and contrast
• Identify factors affecting image interpretation such as scale bars and staining artifacts+ Show more

Learning Objectives

• Understand how gravity influences planetary and lunar motion in the solar system.
• Describe the relationship between orbital speed, distance from the Sun, and gravitational force.
• Explain how gravitational attraction provides the centripetal force for orbiting bodies.+ Show more

Learning Objectives

• Understand the differences between static and kinetic friction and how they resist motion.
• Describe how fluid drag depends on velocity, surface area, and medium density.
• Apply the concepts of friction and drag to real-world motion scenarios involving energy dissipation.

Learning Objectives

• Understand Mendelian inheritance, including dominant and recessive traits.
• Recognize non-Mendelian inheritance patterns such as incomplete dominance, codominance, and sex-linked traits.
• Analyze how environmental factors and gene linkage influence phenotypic variation.+ Show more

Learning Objectives

• Explain what phylogenetic trees depict in evolutionary biology.
• Identify key features of phylogenetic trees such as common ancestors and branching points.
• Differentiate between rooted and unrooted trees and their uses.+ Show more

Learning Objectives

• Explain how electron transport chains transfer electrons through sequential carriers to terminal electron acceptors
• Describe how proton pumping creates an electrochemical gradient that powers ATP synthase through chemiosmosis
• Compare electron transport in mitochondria and chloroplasts in terms of membrane location and end acceptors+ Show more

Learning Objectives

• Describe the main ideas of cell theory including the role of cells in all living organisms.
• Differentiate between unicellular and multicellular organisms and understand cell specialization.
• Compare prokaryotic and eukaryotic cell structures and explain how cellular organization underlies organism functions.

Learning Objectives

• Understand the basic components of an atom: protons, neutrons, electrons.
• Learn about electron configurations and quantized energy levels.
• Explore how the periodic table organizes elements based on valence electrons.+ Show more

Learning Objectives

• Understand the structure of ATP
• Explain how ATP stores and releases energy
• Describe the process of ATP regeneration+ Show more

Learning Objectives

• Understand how Earth's orbital relationships influence seasons and climate patterns.
• Identify the Moon's phases and the cycles that determine lunar illumination.
• Explain how gravitational interactions between Earth, Moon, and Sun drive tides and cyclic phenomena.

Learning Objectives

• Understand the concept of net force and how vector addition determines the resultant acceleration of objects.
• Analyze real-world scenarios involving opposing forces such as friction, air resistance, and applied loads.
• Calculate net force through vector analysis in practical Alberta situations like load tipping, vehicle deceleration, and rigging.+ Show more

Learning Objectives

• Understand how scalar and vector measures describe object motion.
• Identify and differentiate between speed, velocity, and acceleration.
• Apply unit conversions and sign conventions to analyze motion data.+ Show more

Learning Objectives

• Explain the concept of mechanical advantage and how it is used in different machines.
• Calculate mechanical advantage for levers, pulleys, and wheel systems.
• Analyze trade-offs between force reduction and displacement in mechanical systems.+ Show more