Grade 9 Science Worksheets

Learning Objectives

• Explain how collision frequency, activation energy, and reaction pathways determine reaction rate.
• Use rate laws and reaction order to predict how changes in concentration affect reaction speed.
• Interpret energy profiles and transition-state ideas to connect microscopic collisions to macroscopic rate measurements.

Learning Objectives

• Understand the concept of control criteria in establishing causal relationships.
• Identify key factors such as variable isolation, replication, and baseline characterization.
• Analyze how proper control impacts the credibility of scientific explanations.+ Show more

Learning Objectives

• Use constant-acceleration kinematic equations to relate displacement, velocity, acceleration, and time in one dimension.
• Apply sign conventions correctly when solving vertical free-fall and projectile motion problems.
• Choose and use the appropriate kinematic equation for a given set of known variables.

Learning Objectives

• Explain how enzymes lower activation energy and increase reaction rates
• Describe enzyme-substrate interactions using active sites and induced fit
• Connect enzyme specificity to protein structure and amino acid residues+ Show more

Learning Objectives

• Understand the principles of mass conservation in chemical reactions.
• Relate moles, mass, and particle counts through molar mass conversions.
• Apply limiting reagent concepts to predict reaction yields.+ Show more

Learning Objectives

• Understand how models are used to explain phenomena and predict outcomes.
• Learn how models are refined based on new evidence.
• Identify the connection between observable evidence and causal mechanisms in models.+ Show more

Learning Objectives

• Understand that elements are made up of atoms with specific numbers of protons.
• Learn how to identify elements using atomic numbers and chemical symbols.
• Recognize the difference between natural and extracted forms of elements.+ Show more

Learning Objectives

• Explain how waves transfer energy and, in many cases, information without transporting matter overall
• Describe how frequency, wavelength, and amplitude relate to observable features of a wave
• Connect wave properties to the idea of energy carried by waves

Learning Objectives

• Understand conventions for conveying quantitative uncertainty in scientific reports.
• Identify different methods such as interval estimates, effect sizes, and likelihood statements.
• Recognize visualizations that portray variability and their interpretation.+ Show more

Learning Objectives

• Define the key criteria used to establish control and comparability in causal inference.
• Explain how variable isolation, replication, baseline characterization, and appropriate reference conditions influence interpretation of causal claims.
• Assess how residual confounding and uncontrolled variation affect the strength of causal inferences.+ Show more

Learning Objectives

• Understand how to interpret various types of graphs including scatterplots, histograms, line graphs, and residual displays.
• Learn how to evaluate axis scaling, labeling, and binning choices to accurately interpret data patterns.
• Identify how visual features such as outliers, trends, and correlation inform model selection and analysis.+ Show more

Learning Objectives

• Understand the structure of evidence-based reasoning linking observations, analyses, and claims.
• Describe standards for evidence sufficiency, consistency, and evaluation of competing explanations.
• Learn to use multiple representations—graphs, summaries, diagrams—to support inferences.+ Show more

Learning Objectives

• Understand the principles of scaling laws and dimensional similarity.
• Explore proportional reasoning in constructing models and interpreting data.
• Analyze how nonlinearity and scale-dependent effects influence extrapolation.+ Show more

Learning Objectives

• Explain how simple computational simulations generate predictions based on hypothesized mechanisms.
• Describe the role of parameter sensitivity and scenario comparison in modeling.
• Understand how ensembles and visualizations represent uncertainty in forecasts.+ Show more

Learning Objectives

• Identify the key functions of various eukaryotic cell organelles.
• Understand how organelle specialization contributes to cellular efficiency.
• Recognize the importance of compartmentalization in cell processes.+ Show more

Learning Objectives

• Understand the mechanisms of thermoregulation and homeostasis.
• Identify responses of the body to temperature deviations.
• Explain the role of hypothalamic centers in temperature regulation.+ Show more

Learning Objectives

• Understand the basic structure and function of a cell
• Identify main organelles and their roles
• Recognize the relationship between cell structure and function+ Show more

Learning Objectives

• Understand the role of kidneys in osmoregulation and fluid balance.
• Identify processes of filtration, reabsorption, secretion, and concentration in nephron segments.
• Describe hormonal control of water and ion regulation, including antidiuretic hormone and aldosterone.+ 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 how insulin and glucagon regulate blood glucose levels.
• Identify key organs and tissues involved in glucose homeostasis.
• Explain the feedback mechanisms maintaining metabolic balance during fasting and feeding.+ Show more

Learning Objectives

• Understand the basic principles of the particle model of matter.
• Explain how particle behavior affects macroscopic phenomena such as diffusion and pressure.
• Relate the particle model to real-world examples like salt dispersal on roads and odour spread.+ Show more

Learning Objectives

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

Learning Objectives

• Understand how modeling or prototyping creates tangible representations of solutions.
• Identify types of evidence used to evaluate prototypes, such as performance metrics.
• Explain how evidence links observable results to success criteria in engineering design.+ Show more

Learning Objectives

• Understand how data, diagrams, and reasoning are used to communicate design decisions.
• Identify the purpose of labeled diagrams and data summaries in design presentations.
• Explain how reasoning connects test outcomes to design choices, especially during trade-offs.+ Show more

Learning Objectives

• Understand the steps involved in the design cycle process.
• Identify key criteria and constraints in engineering design.
• Analyze different approaches to solving engineering problems.+ Show more

Learning Objectives

• Define and differentiate between resilience and resistance in ecosystems.
• Explain how ecological thresholds influence regime shifts and community functions.
• Identify factors such as feedback loops, variability, and connectivity that affect ecosystem resilience.+ Show more

Learning Objectives

• Understand the different mechanisms of enzyme regulation including allosteric control, inhibition, covalent modification, and gene expression.
• Identify how environmental factors like temperature and pH influence enzyme activity.
• Explain the role of feedback inhibition in metabolic pathways.+ Show more

Learning Objectives

• Identify and describe the main types of chemical reactions: synthesis, decomposition, single displacement, double displacement, and combustion.
• Recognize practical examples of each reaction type and their observable outcomes.
• Understand how reaction classifications assist in predicting products and maintaining mass conservation.+ Show more

Learning Objectives

• Explain how Earth’s climate is shaped by interactions among the atmosphere, hydrosphere, cryosphere, lithosphere, and biosphere.
• Describe how solar energy and internal heat create an energy balance that influences long-term climate averages.
• Identify how external forcings and natural variability (aerosols, greenhouse gases, ocean circulation, and land surface properties) affect temperature, precipitation, and extremes.

Learning Objectives

• Explain how surface currents and deeper thermohaline circulation redistribute heat in the ocean.
• Describe how features like gyres and upwelling influence coastal conditions and carbon uptake.
• Evaluate how changes in ocean circulation can affect regional climates and extreme weather through feedbacks.

Learning Objectives

• Understand the concept of chemical equilibrium and how it influences reaction outcomes.
• Identify factors that affect the equilibrium position, such as temperature, pressure, and concentration.
• Explain the role of catalysts in reaction rates without shifting equilibrium.+ Show more

Learning Objectives

• Define ecosystem services and identify their types.
• Understand how biodiversity supports ecosystem functions.
• Recognize human activities that impact ecosystem services.+ Show more

Learning Objectives

• Understand the concept of tectonic plates and their role in Earth's surface.
• Identify the types of plate boundaries and their associated landforms and phenomena.
• Explain the forces that cause plate movements such as mantle convection, slab pull, and ridge push.+ Show more

Learning Objectives

• Understand the functions and importance of different organelles in eukaryotic cells.
• Identify the specific roles of mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus, lysosomes, and peroxisomes.
• Explain how organelle specialization supports cellular efficiency and coordination of metabolic pathways.+ Show more

Learning Objectives

• Explain how waves transfer energy and, in some cases, information without transporting matter overall
• Relate frequency, wavelength, and amplitude to observable wave behavior
• Use wave properties to predict how changes affect wave patterns and energy carried

Learning Objectives

• Understand the key safety standards and codes related to electrical installations.
• Identify the purpose of grounding, overcurrent protection, and insulation in electrical safety.
• Interpret labels and markings on electrical devices to ensure compliance with safety regulations.+ Show more

Learning Objectives

• Explain how electric motors convert electrical energy into mechanical work using electromagnetic forces.
• Describe how generators use electromagnetic induction to convert mechanical work into electrical energy.
• Match motor/generator performance characteristics (voltage, current, torque, speed, flux) to typical load requirements.

Learning Objectives

• Understand the basic concepts of electromagnetic induction
• Identify how changing magnetic flux induces voltage
• Recognize practical applications such as generators and transformers

Learning Objectives

• Understand how resistors exhibit linear behavior in circuits
• Identify the characteristics of nonlinear components like diodes
• Describe how temperature affects the performance of electrical components+ Show more

Learning Objectives

• Understand common energy loss mechanisms in electrical systems
• Identify techniques to reduce resistive and thermal losses
• Analyze the impact of system design choices on energy efficiency+ Show more

Learning Objectives

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

Learning Objectives

• Explain the concept of centripetal force and its role in circular motion.
• Understand how speed and radius affect centripetal acceleration.
• Identify forces such as tension, friction, and normal force that maintain curved trajectories.+ Show more

Learning Objectives

• Understand the relationship between net force, mass, and acceleration as described by Newton's second law.
• Analyze how direction affects force and acceleration vectors.
• Apply the concept of net force to predict changes in an object's motion.+ Show more

Learning Objectives

• Understand the purpose and components of free body diagrams.
• Learn how to sketch and interpret vectors for forces acting on objects.
• Calculate net force and analyze how forces contribute to motion.+ Show more

Learning Objectives

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

Learning Objectives

• Compare and contrast sexual and asexual reproduction strategies.
• Identify examples of reproductive strategies in Alberta species.
• Understand ecological trade-offs between genetic diversity and population growth.+ Show more

Learning Objectives

• Explain what a physical change is and how it differs from a chemical change
• Identify examples of physical changes in everyday and engineered processes
• Use particle/identity reasoning to describe how matter can change phase or form without forming new substances

Learning Objectives

• Understand the different types of particle arrangements in solids, including ionic and covalent lattices.
• Explain how the structure of molecules and lattices influences properties such as melting point, electrical conductivity, and solubility.
• Describe the distinctions between ionic solids and molecular solids based on their organization and electrical forces.+ Show more