Grade 9 Science Worksheets

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 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

• 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 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 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 the concept of net force and its role in determining an object's acceleration.
• Analyze how vector addition of forces predicts motion and equilibrium in practical scenarios.
• Identify the effects of opposing forces such as friction and air resistance on moving objects.+ Show more

Learning Objectives

• Understand Newton's three laws of motion and their applications.
• Explain how forces relate to motion in real-world contexts.
• Analyze scenarios involving inertia, force–acceleration, and action–reaction pairs.+ Show more

Learning Objectives

• Understand the concept of power as the rate of energy transfer.
• Learn how efficiency measures the conversion of input energy to useful work.
• Apply principles of power and efficiency to real-world engineering examples.+ Show more

Learning Objectives

• Understand different conventions for conveying quantitative uncertainty and confidence in statistical inferences.
• Recognize the importance of clarity regarding assumptions, limits, and interpretations when reporting results.
• Identify various visualization techniques that portray variability and effect sizes in data communication.+ Show more

Learning Objectives

• Interpret and analyze data from time-series descriptions of systems.
• Identify the roles of feedback loops, rates, and equilibrium in system behavior.
• Differentiate transient versus steady-state behavior using mathematical representations.+ 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 on regional warming.
• Analyze feedback mechanisms such as ice, snow, vegetation, and cloud cover.+ Show more

Learning Objectives

• Describe the geometry and alignment required for solar and lunar eclipses.
• Identify the different types of eclipses and their causes.
• Explain how orbital inclinations influence eclipse frequency and visibility.+ Show more

Learning Objectives

• Understand the process of seafloor spreading and its role in plate tectonics.
• Identify the evidence supporting seafloor spreading, including magnetic striping and age progression.
• Describe how oceanic crust is created at mid-ocean ridges and destroyed at subduction zones.+ Show more

Learning Objectives

• Identify and categorize different types of chemical reactions.
• Describe characteristic reactant patterns and products in each reaction category.
• Understand how classifying reactions helps in predicting products and balancing equations.+ Show more

Learning Objectives

• Understand the principles of scaling laws and their applications in scientific models.
• Explain how dimensional similarity influences model construction and data interpretation.
• Apply proportional reasoning to analyze relationships across different spatial and temporal scales.+ Show more

Learning Objectives

• Describe the molecular basis of photosynthetic light capture and pigment absorption spectra.
• Explain energy transfer processes among pigments and the conversion to chemical energy via photosystems.
• Understand concepts of rate, efficiency, and quantum yield in photosynthesis.+ Show more

Learning Objectives

• Identify the hierarchy of biological organization from molecules to organisms.
• Understand the concept of emergent properties at each biological level.
• Explain how small-scale cellular processes contribute to overall organism function.+ Show more

Learning Objectives

• Understand what energy profiles depict in chemical reactions.
• Identify features such as activation energy barriers and enthalpy change.
• Differentiate between exothermic and endothermic reactions.+ Show more

Learning Objectives

• Identify and describe the four main tissue types in the human body.
• Understand the functions of epithelial, connective, muscle, and nervous tissues.
• Recognize how tissue structure relates to their specific functions.+ Show more

Learning Objectives

• Understand how mechanical systems transfer energy between kinetic and potential forms.
• Identify examples of energy transfer such as braking and spring compression.
• Explain how energy is conserved and transformed into heat during mechanical interactions.+ Show more

Learning Objectives

• Understand how impulse relates force, contact time, and change in momentum during collisions.
• Differentiate between elastic and inelastic collisions and their energy transformations.
• Apply the impulse-momentum principle to analyze collision scenarios.+ Show more

Learning Objectives

• Understand the concept of inertia and how it relates to an object's mass.
• Identify real-world examples illustrating inertia.
• Explain how forces must overcome inertia to change an object's motion.+ Show more

Learning Objectives

• Describe how feedback loops contribute to multi-system coordination in the body.
• Explain the roles of neural, hormonal, and local signals in mediating organism responses.
• Analyze how disruptions in one component of system coordination can cascade to affect overall homeostasis.+ Show more

Learning Objectives

• Explain the three laws of motion proposed by Isaac Newton.
• Identify observable effects of Newton's laws in real-world scenarios.
• Describe how forces influence the motion of objects.+ Show more

Learning Objectives

• Explain the concept of net force and how it affects motion.
• Identify when forces are balanced versus unbalanced.
• Resolve forces into components and compute net force.+ Show more

Learning Objectives

• Understand how mass affects acceleration under a given net force.
• Distinguish between inertial mass and gravitational effects.
• Apply the force–acceleration relationship to predict object behavior.+ Show more

Learning Objectives

• Understand how nervous and endocrine systems coordinate responses to stimuli.
• Identify the roles of nerve impulses and hormones in maintaining homeostasis.
• Explain how neural inputs can trigger hormonal release and vice versa.+ Show more

Learning Objectives

• Define and explain the concepts of power and efficiency in mechanical systems.
• Calculate power and efficiency in simple systems.
• Understand how energy losses affect the performance of machines.+ Show more

Learning Objectives

• Understand the organization of different tissue types within organs.
• Identify key functions of major organs in the human body.
• Explain how organs and organ systems work together to sustain life.+ Show more

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 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 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 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 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 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 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 the different phases of matter: solid, liquid, and gas.
• Describe the particle arrangement and properties in each state.
• Explain the processes of phase transitions such as freezing, evaporation, and condensation.+ 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

• 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 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 how to interpret symptom descriptions and measurement data to diagnose electrical faults.
• Identify different failure modes such as open circuits, short circuits, and component degradation through logical inference.
• Apply systematic reasoning to restore safe and reliable operation in various regional electrical contexts.+ Show more

Learning Objectives

• Understand how wind and solar resources are integrated into electrical grids.
• Identify the challenges related to variability and intermittency of renewables.
• Describe grid balancing mechanisms and storage solutions used in renewable integration.+ Show more

Learning Objectives

• Understand how the slope of displacement–time graphs indicates velocity.
• Interpret the area under velocity–time graphs to determine displacement.
• Identify non-uniform acceleration through curved graphs and discontinuities.+ 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

• 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 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 components of scientific argumentation, including claim, evidence, and reasoning.
• Evaluate the coherence, relevance, and strength of scientific arguments using qualitative and quantitative evidence.
• Identify logical links, explicit assumptions, and criteria for weighing evidence in scientific explanations.+ Show more

Learning Objectives

• Understand the definitions and applications of mean, median, and mode.
• Compare the sensitivity of mean, median, and mode to skewness, outliers, and multimodal distributions.
• Identify appropriate measures of central tendency in different data contexts.+ Show more