Grade 9 Science Worksheets

Learning Objectives

• Explain Mendelian inheritance and predictable patterns of allele segregation and assortment.
• Identify and describe non-Mendelian inheritance patterns such as incomplete dominance, codominance, and polygenic traits.
• Understand how environmental factors and gene linkage modify inheritance and trait expression.+ Show more

Learning Objectives

• Explain the particle model of matter using particle motion, spacing, and forces to describe solids, liquids, and gases.
• Relate temperature to particle kinetic energy and to diffusion rate and gas behavior.
• Use particle-level reasoning to explain macroscopic observables such as gas pressure and phase stability.

Learning Objectives

• Explain how scientific arguments connect evidence to reasoning to support or weaken a claim.
• Identify relevant data patterns and infer what they imply about an explanation.
• Evaluate alternative interpretations when data are incomplete or uncertain.+ Show more

Learning Objectives

• Understand the structure and function of enzymes
• Learn how enzymes lower activation energy
• Identify factors affecting enzyme activity+ Show more

Learning Objectives

• Identify chemical formulas of common compounds.
• Understand the difference between covalent and ionic bonds.
• Learn the law of definite composition and how it applies to compounds.+ Show more

Learning Objectives

• Predict likely products of common chemical reactions using reactant identities and typical reaction patterns.
• Apply conservation of atoms to check whether proposed products are consistent with balanced chemical change.
• Explain how oxidation and neutralization outcomes can be anticipated for environmental assessment.

Learning Objectives

• Explain how environmental exposures and lifestyle choices can contribute to chronic disease through cellular and organ-level mechanisms.
• Interpret dose–response relationships and vulnerability factors when evaluating health risks from pollutants and toxicants.
• Analyze how air, water, occupational hazards, and dietary patterns can affect DNA integrity, endocrine function, and transport processes.

Learning Objectives

• Identify the main components of the cell membrane
• Explain the structure of the phospholipid bilayer
• Describe the roles of membrane proteins, cholesterol, and carbohydrate chains+ Show more

Learning Objectives

• Understand the different major types of tissues and their functions.
• Identify the structural characteristics of epithelial, connective, muscle, and nervous tissues.
• Explain how tissue specialization contributes to organ function and organism health.

Learning Objectives

• Explain the process of dissolution and how solutes interact with solvents.
• Differentiate between saturated, unsaturated, and supersaturated solutions with examples.
• Describe factors affecting solubility such as temperature and agitation.+ Show more

Learning Objectives

• Identify mutation as a source of genetic variation in a text
• Explain how different kinds of mutations can change genetic information
• Distinguish between mutation increasing diversity and effects that can limit diversity+ Show more

Learning Objectives

• Understand the relationship between net force, mass, and acceleration.
• Identify examples of force and acceleration in everyday situations.
• Analyze how changes in force and mass affect acceleration.

Learning Objectives

• Explain the hierarchy of biological organization from cells to organ systems using correct terminology.
• Describe how cell specialization and extracellular matrices contribute to tissue and organ function.
• Use examples (epithelial linings, muscle tissue, and organ assemblies) to justify how structure supports function.

Learning Objectives

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

Learning Objectives

• Understand the processes of transcription and translation in gene expression.
• Identify key components involved in gene regulation and their functions.
• Explain how modifications affect gene expression and protein function.+ Show more

Learning Objectives

• Explain how changing magnetic flux induces an electromotive force (emf) in a conductor
• Use Lenz’s Law to predict the direction of induced effects when magnetic flux changes
• Relate induced voltage and frequency to motion (generators) and transformer turn ratios+ Show more

Learning Objectives

• Explain how water moves through the hydrologic cycle by evaporation, condensation, precipitation, infiltration, runoff, and groundwater flow.
• Describe how residence time in different reservoirs affects water availability over time.
• Evaluate how watershed characteristics, porosity, and permeability influence how water partitions between infiltration, runoff, and groundwater.+ Show more

Learning Objectives

• Describe the different types of passive and active membrane transport processes.
• Explain how molecules cross cellular membranes and the importance of this process in maintaining homeostasis.
• Identify the roles of specific transport mechanisms such as diffusion, facilitated diffusion, osmosis, and active transport.+ Show more

Learning Objectives

• Explain how innate and adaptive immunity contribute to maintaining homeostasis during infection and injury.
• Describe how immune cells communicate to coordinate inflammation and tissue repair.
• Analyze how immune responses interact with other body systems, including endocrine and circulatory pathways.

Learning Objectives

• Understand the roles of innate and adaptive immune responses in maintaining homeostasis.
• Identify key communication pathways between immune cells and other systems.
• Explain how immune responses are triggered and coordinated during infection and injury.+ Show more

Learning Objectives

• Compare and contrast sexual and asexual reproduction strategies.
• Identify examples of reproductive modes in Alberta species.
• Understand the ecological trade-offs between reproductive methods.+ Show more

Learning Objectives

• Understand the methods used to assess the fit between models and empirical data.
• Identify patterns indicating systematic divergence or heteroscedasticity.
• Interpret residual plots and goodness-of-fit measures for model evaluation.+ Show more

Learning Objectives

• Identify the key ideas in a text about nutrient cycling.
• Explain how major processes move nutrients through ecosystems.
• Use evidence from a passage to answer science questions.

Learning Objectives

• Explain how water moves among atmospheric, surface, and subsurface reservoirs through evaporation, condensation, precipitation, infiltration, runoff, and groundwater flow.
• Describe how residence time and fluxes influence water availability in different reservoirs.
• Evaluate how watershed characteristics (such as porosity and permeability) affect how precipitation is partitioned into infiltration versus runoff.+ Show more

Learning Objectives

• Understand the principles of metric measurement and instrument resolution.
• Learn how calibration affects the accuracy and reliability of measurements.
• Connect raw measurement data to tables and graphs for analysis.+ Show more

Learning Objectives

• Calculate mechanical work using force, displacement, and angle
• Interpret positive, negative, and zero work from force direction
• Calculate kinetic and gravitational potential energy+ Show more

Learning Objectives

• Understand the use of chemical symbols to represent elements and compounds.
• Identify and interpret common chemical formulas such as H2O, NaCl, and CaCO3.
• Explain how formula notation communicates the composition and proportions of substances.+ Show more

Learning Objectives

• Describe the processes involved in dissolution and solute-solvent interactions.
• Identify factors affecting solubility such as temperature and agitation.
• Differentiate between saturated, unsaturated, and supersaturated solutions with examples.+ Show more

Learning Objectives

• Understand different types of species interactions such as competition, predation, mutualism, and parasitism.
• Explain the roles of keystone species and ecosystem engineers in community structure.
• Analyze the effects of species interactions on ecosystem stability and functions.+ Show more

Learning Objectives

• Understand the concept of free body diagrams and their importance in analyzing forces.
• Identify and sketch all external forces acting on an object in a free body diagram.
• Calculate the net force on an object using vector addition of forces.+ Show more

Learning Objectives

• Describe how the Earth’s magnetic field is generated and how it is represented with field lines.
• Explain the meaning of magnetic dip and magnetic declination and how they affect compass use and mapping.
• Apply regional declination ideas to surveying and instrument calibration for geoscience monitoring.

Learning Objectives

• Explain how ionic, covalent, and metallic bonding form based on atomic electron configurations.
• Connect bonding models to observable properties such as melting point, conductivity, and solubility.
• Use Lewis structures, electron transfer/sharing, and electronegativity ideas to describe polarity and geometry.

Learning Objectives

• Explain how net force is determined by adding forces that act in different directions.
• Predict how net force affects the magnitude and direction of acceleration.
• Use evidence from velocity changes to infer whether the net force is zero or nonzero.

Learning Objectives

• Explain how to determine the net force when two or more forces act in opposite directions.
• Predict how net force magnitude and direction determine acceleration direction.
• Use particle and force reasoning to justify answers about motion changes over time.+ Show more

Learning Objectives

• Identify common sources of uncertainty in scientific measurements and models
• Explain how uncertainty affects confidence in comparing results to a true value
• Distinguish between experimental variation and model simplifications as uncertainty sources+ Show more

Learning Objectives

• Understand how evidence supports scientific claims.
• Construct arguments that connect data to reasoning.
• Evaluate claims by considering alternative explanations and uncertainties.+ Show more

Learning Objectives

• Understand the concept of moles and molar mass
• Calculate molar mass of elements and compounds
• Learn how mole ratios relate to balanced chemical equations+ Show more

Learning Objectives

• Identify the main idea of a passage about trophic structure
• Use key vocabulary related to producers, consumers, decomposers, and energy flow

Learning Objectives

• Understand the concept of limiting reactants in chemical reactions.
• Calculate theoretical yield based on mole ratios and molar masses.
• Differentiate between actual yield and theoretical yield in experiments.+ Show more

Learning Objectives

• Define relative motion and explain its significance in physics.
• Identify different frames of reference in various motion scenarios.
• Describe how velocities combine vectorially from different frames.+ Show more

Learning Objectives

• Explain what eccentricity, axial tilt, and precession are and how each changes Earth’s insolation patterns.
• Describe how orbital variations can influence ice sheet growth and melting on tens to hundreds of thousands of years.
• Interpret statements and passages to connect astronomical forcing with glacial–interglacial climate cycles.

Learning Objectives

• Identify observable properties of substances and describe how they are measured or noticed
• Classify materials using observable traits such as colour, hardness, conductivity, density, and solubility
• Distinguish observable properties from changes that depend on other conditions

Learning Objectives

• Explain the particle model using particle motion, spacing, and forces to describe solids, liquids, and gases.
• Relate kinetic energy to temperature and predict how temperature changes particle motion.
• Use microscopic particle behaviour to justify macroscopic observations such as diffusion and gas pressure.

Learning Objectives

• Explain how variance, range, and interquartile range (IQR) quantify dispersion in data.
• Use coefficient of variation (CV) to compare variability across measurements with different scales or units.
• Interpret distribution shape and overlapping distributions to judge how strongly data supports an estimate or hypothesis.+ Show more

Learning Objectives

• Explain how mitosis supports growth and tissue repair by producing genetically identical somatic cells
• Describe how meiosis produces haploid gametes and how crossing over increases genetic variation
• Use chromosome-pairing and segregation concepts to predict outcomes of errors such as nondisjunction+ Show more

Learning Objectives

• Identify how displacement, velocity, and acceleration are represented on motion graphs
• Use slope and area to calculate or interpret speed, acceleration, and displacement
• Explain what curved segments and changes in slope mean for motion over time+ Show more

Learning Objectives

• Understand the concepts of ecosystem resilience and resistance.
• Identify factors that contribute to an ecosystem's ability to withstand disturbances.
• Explain the significance of ecological thresholds and regime shifts.+ Show more

Learning Objectives

• Explain how genes (DNA segments) can encode proteins and include regulatory elements
• Describe transcription and translation as steps that connect gene expression to phenotype
• Predict how changes in gene regulation can alter protein function and observable traits+ Show more