Grade 9 Science Worksheets

Learning Objectives

• Identify the source, conducting path, and load in electric circuits
• Compare series and parallel circuits using their current pathways
• Predict how opening a switch affects current flow+ Show more

Learning Objectives

• Identify valence electrons and explain their role in chemical bonding.
• Distinguish ionic bonding from covalent bonding using particle models.
• Interpret chemical formulas and distinguish molecules from formula units.+ Show more

Learning Objectives

• Understand the stages and types of ecological succession and their characteristics.
• Identify factors influencing succession dynamics and community changes over time.
• Explain how succession models predict long-term ecosystem responses to environmental changes.+ Show more

Learning Objectives

• Understand the role of genes as DNA segments coding for proteins.
• Explain the processes of transcription and translation in protein synthesis.
• Identify how gene regulation influences phenotypic traits in crops and livestock.+ Show more

Learning Objectives

• Understand Mendelian inheritance patterns including dominant and recessive alleles.
• Differentiate between genotypes and phenotypes in genetic traits.
• Apply Punnett square logic to predict offspring ratios.+ Show more

Learning Objectives

• Describe the different types of forces including contact and non-contact forces.
• Understand how vector quantities like magnitude and direction combine to influence motion.
• Apply qualitative reasoning to predict the effects of opposing forces on objects.+ Show more

Learning Objectives

• Understand the differences between mixtures and solutions in terms of uniformity and separability.
• Identify the roles of solute and solvent in solutions.
• Explain how concentration affects the appearance and behaviour of mixtures.+ Show more

Learning Objectives

• Understand the concept of mechanical advantage and how it is calculated.
• Identify different types of simple machines and their trade-offs between force and distance.
• Recognize real-world examples of mechanical advantage in regional equipment like bale lifters and scaffold hoists.+ Show more

Learning Objectives

• Understand the structure of DNA and its double-helix composition.
• Identify how chromosomes organize genetic information within the cell.
• Differentiate between nuclear and organelle genomes and their roles.+ Show more

Learning Objectives

• Understand the importance of balancing chemical equations to obey the conservation of atoms and mass.
• Identify the correct coefficients to balance chemical reactions.
• Relate formula notation to measurable mass relationships in chemical reactions.+ Show more

Learning Objectives

• Understand the principle of electromagnetic induction and its role in generating electrical power.
• Identify how changing magnetic flux induces an electromotive force in conductors.
• Explain the relationship between magnetic flux change, induced voltage direction, and frequency.+ Show more

Learning Objectives

• Understand the mechanisms of energy losses in electrical systems.
• Identify strategies to improve energy efficiency and reduce operational costs.
• Evaluate the impact of device selection and system design on overall efficiency.+ Show more

Learning Objectives

• Understand how to interpret coefficient ratios in chemical equations to determine relationships among reactants and products.
• Apply mass concepts to estimate the mass of substances formed or consumed in chemical reactions.
• Relate symbolic chemical equations to real-world mass calculations in industrial and environmental contexts.

Learning Objectives

• Understand different mechanisms of asexual reproduction such as binary fission, budding, spore formation, and vegetative propagation.
• Identify ecological advantages and disadvantages of asexual reproduction methods.
• Recognize Alberta-specific examples of asexual reproduction like aspen root suckers and horticultural practices.+ Show more

Learning Objectives

• Understand the structure of combined series and parallel circuits.
• Learn to simplify complex circuits by reducing series and parallel components.
• Identify equivalent resistances in mixed networks.+ Show more

Learning Objectives

• Understand the definitions of electric current, voltage, and resistance as fundamental electrical quantities.
• Interpret typical magnitudes and units of electrical quantities in regional electrical systems.
• Analyze circuit components and energy transfer based on electrical measurements.+ Show more

Learning Objectives

• Understand the basic components of an atom: protons, neutrons, and electrons.
• Explain how atomic number and mass number relate to isotopes and element identity.
• Describe simple models of nuclei and electron shells to interpret chemical behavior.+ Show more

Learning Objectives

• Understand the definitions of speed, velocity, and acceleration and how they differ.
• Apply scalar and vector measures to describe object motion.
• Interpret real-world examples of motion using kinematic measures.+ Show more

Learning Objectives

• Understand the differences between sexual and asexual propagation and their effects on genetic diversity.
• Trace inheritance patterns of traits through chromosomes and Mendelian principles.
• Examine the ecological and societal implications of selection and breeding practices.+ Show more

Learning Objectives

• Understand the concept of work as energy transfer by force and displacement.
• Identify how simple machines change the magnitude or direction of applied forces.
• Explain the relationships among force, distance, work, and mechanical advantage in practical contexts.+ Show more

Learning Objectives

• Understand the principles involved in predicting chemical reaction products.
• Apply knowledge of reactant properties and reaction types to estimate possible outcomes.
• Recognize common patterns such as synthesis, decomposition, oxidation, and neutralization.+ Show more

Learning Objectives

• Understand the characteristic behaviors of individual electrical components.
• Identify real-world examples of component responses such as heating and sensor functions.
• Analyze how component curves, power ratings, and operating limits influence circuit stability and efficiency.+ Show more

Learning Objectives

• Explain the principle of conservation of mass in chemical reactions.
• Identify examples of mass conservation in real-world systems.
• Understand how mass measurements change in sealed systems and during combustion.+ Show more

Learning Objectives

• Understand standardized symbols used in schematic circuit diagrams.
• Interpret circuit topology, component values, and connection types from diagrams.
• Predict current paths, voltage drops, and node relationships in various circuit layouts.+ Show more

Learning Objectives

• Explain the origin of magnetic fields from permanent magnets and moving electric charges.
• Describe the concept of magnetic field lines and their directional properties.
• Connect the practical applications of magnetism such as compass navigation and industrial sensing.+ Show more

Learning Objectives

• Understand the concept of physical changes and how they differ from chemical changes.
• Identify examples of physical changes in everyday life and the environment.
• Explain the processes involved in phase changes like melting, freezing, and mechanical alteration.+ Show more

Learning Objectives

• Understand how kinematic descriptions, force balances, and energy considerations integrate to analyze complex motion.
• Apply graphs, equations, and net-force reasoning to real-world scenarios like braking, cable cars, and stopping distances.
• Interpret motion data and apply principles from physics to predict and evaluate system behaviors under various conditions.

Learning Objectives

• Understand the role of sex chromosomes in determining sex-linked traits.
• Describe inheritance patterns of X-linked recessive conditions in mammals.
• Explain mechanisms such as hemizygosity and dosage compensation in sex-linked inheritance.+ Show more

Learning Objectives

• Explain the concept of relative motion and how it depends on the observer's frame of reference.
• Identify real-world examples illustrating how velocities combine vectorially.
• Calculate displacement, speed, and acceleration relative to different reference frames.+ Show more

Learning Objectives

• Understand the use of element symbols and chemical formulas to represent substances
• Identify the meaning of subscripts in chemical formulas
• Recognize common chemical formulas such as H2O, NaCl, and CaCO3+ Show more

Learning Objectives

• Understand the ecological, economic, and health risks associated with genetic technologies.
• Evaluate potential consequences such as gene flow, resistance development, and market impacts.
• Identify mitigation strategies, long-term monitoring needs, and the uncertainties involved in risk assessment.+ Show more

Learning Objectives

• Understand the origin and nature of Earth's magnetic field.
• Identify the regional variation in magnetic declination and its effects.
• Explain how Earth's magnetic properties influence navigation and environmental monitoring.+ Show more

Learning Objectives

• Understand key ethical issues in the application of genetic technologies.
• Analyze societal impacts of genetic science on different stakeholders.
• Evaluate the role of policy, consent, and public dialogue in responsible genetics development.+ Show more

Learning Objectives

• Understand how motion graphs represent displacement, velocity, and acceleration.
• Interpret the slope and area under motion graphs to determine physical quantities.
• Identify curved segments in graphs as changing acceleration regions.+ Show more

Learning Objectives

• Describe the differences between series and parallel circuits.
• Explain how current and voltage behave in series and parallel arrangements.
• Identify real-world examples of circuit configurations.+ Show more

Learning Objectives

• Understand the different types of chemical bonds: ionic, covalent, and metallic.
• Identify properties associated with each type of bonding based on electron interactions.
• Recognize how bonding types affect material properties and applications in industry and the environment.+ Show more

Learning Objectives

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

Learning Objectives

• Identify observable signs that indicate a chemical change has occurred.
• Distinguish between physical and chemical changes based on evidence.
• Recognize environmental and industrial examples of chemical transformations.+ Show more

Learning Objectives

• Understand the basic concepts of the particulate model of matter.
• Identify how particle behaviour explains diffusion, pressure, and temperature changes.
• Relate the arrangement and motion of particles in solids, liquids, and gases to observable phenomena.+ Show more

Learning Objectives

• Understand the key safety standards related to electrical installations and devices.
• Identify protective device purposes and interpret safety labels effectively.
• Recognize environmental considerations influencing electrical safety compliance.+ Show more

Learning Objectives

• Understand the major genetic technologies used in biotechnology such as selective breeding, hybridization, genetic modification, and gene editing.
• Recognize the applications of these technologies in agriculture and livestock breeding.
• Identify mechanisms of trait introduction and alteration at molecular and population levels.+ Show more

Learning Objectives

• Understand how friction and drag oppose motion and transform energy.
• Identify factors affecting friction on surfaces such as icy roads and gravel tracks.
• Describe how air density and shape influence aerodynamic drag on objects like vehicles and wind turbines.+ Show more

Learning Objectives

• Understand and identify various observable properties of substances.
• Recognize regional examples illustrating observable traits in materials.
• Describe how observable properties aid in classifying and distinguishing matter.+ Show more

Learning Objectives

• Understand the algebraic relationships in constant-acceleration motion equations.
• Apply motion equations to real-world situations such as vehicle stopping, skiing, and free fall.
• Use appropriate units, sign conventions, and substitution methods for problem solving.+ Show more

Learning Objectives

• Understand how device ratings influence safe electrical system design.
• Identify the importance of matching supply characteristics to device requirements.
• Recognize protective measures and their role in electrical safety.+ Show more

Learning Objectives

• Understand the process of natural selection and how it leads to adaptation in populations.
• Identify examples of selective pressure and adaptive traits in Alberta species.
• Differentiate between natural selection and artificial selection mechanisms.+ Show more

Learning Objectives

• Understand the principle of conservation of mechanical energy in different systems.
• Identify the forms of energy involved in real-world scenarios like hydroelectric dams and skiing.
• Analyze energy transfers and the effects of non-conservative forces such as friction.+ Show more

Learning Objectives

• Understand key principles of population genetics including allele frequency and Hardy-Weinberg equilibrium.
• Identify and explain mechanisms like genetic drift, bottlenecks, and founder effects.
• Evaluate the impact of small population size and isolation on genetic diversity.+ Show more