Grade 9 Worksheets

Learning Objectives

• Understand how urbanization influences watershed processes.
• Identify effects of deforestation, agriculture, and infrastructure on water systems.
• Explain consequences such as increased runoff, sediment load, and changes in groundwater recharge.+ Show more

Learning Objectives

• Understand the symbolic representation of chemical reactions
• Identify reactants and products in chemical equations
• Grasp the concept of conservation of atoms and mass in reactions+ Show more

Learning Objectives

• Identify signs of chemical reactions
• Differentiate between physical and chemical changes
• Recognize common indicators such as temperature change, gas production, precipitate formation, and colour change+ Show more

Learning Objectives

• Define chemical properties and distinguish them from physical changes.
• Identify examples of chemical properties such as flammability, reactivity with acids, oxidation, and stability.
• Interpret reaction products, gas evolution, precipitate formation, and color changes as indicators of chemical transformations.

Learning Objectives

• Define and distinguish between elements, compounds, and mixtures.
• Understand the criteria for classifying substances as pure or impure.
• Identify examples of elements, compounds, and mixtures.+ Show more

Learning Objectives

• Define natural selection and explain its role in evolution.
• Identify examples of natural selection in nature.
• Distinguish between different types of selection: directional, stabilizing, and disruptive.+ Show more

Learning Objectives

• Understand what defines an element by its atomic number and symbol
• Identify elements based on properties like atomic mass and atomic number
• Recognize differences between natural and extracted elements+ Show more

Learning Objectives

• Identify and describe the different levels of biological organization.
• Understand how emergent properties arise at each level.
• Explain how small components form larger biological systems.

Learning Objectives

• Understand the concept of model-data fit in scientific analysis.
• Identify methods used to assess how well a model represents empirical data.
• Interpret residuals, goodness-of-fit measures, and graphical overlays.+ Show more

Learning Objectives

• Identify how resistance in electrical components varies with current and temperature.
• Understand the behavior of diodes and what makes their conduction nonlinear.
• Analyze how temperature affects the resistance of thermistors and other sensors.+ Show more

Learning Objectives

• Identify different types of scientific models: mathematical formulae, graphs, schematic diagrams, and computational approximations.
• Explain the roles of various models in capturing system behavior.
• Evaluate criteria for selecting appropriate models based on fidelity, simplicity, and scope.+ Show more

Learning Objectives

• Identify the differences between series and parallel circuits.
• Describe the properties of series and parallel arrangements in electrical circuits.
• Analyze simple combined circuits to determine current and voltage distribution.+ Show more

Learning Objectives

• Define series circuits and describe their main characteristics.
• Identify the behavior of current and voltage in series circuits.
• Differentiate between series and parallel circuit arrangements.+ Show more

Learning Objectives

• Understand the use of microscopy techniques in biology
• Identify cellular structures using microscopy images
• Learn to interpret features such as scale bars, resolution, and staining patterns+ Show more

Learning Objectives

• Understand the characteristics of solids, liquids, and gases.
• Identify the behavior and properties of each state.
• Describe the phase transitions between different states.+ Show more

Learning Objectives

• Interpret coefficients in balanced chemical equations
• Relate reactant and product quantities based on coefficients
• Apply mass relationships to practical chemical problems

Learning Objectives

• Understand basic types of chemical reactions such as synthesis, decomposition, and neutralization.
• Apply conservation principles to predict possible products of reactions.
• Recognize patterns of bonding tendencies and reactant behaviors in predicting outcomes.+ Show more

Learning Objectives

• Understand the concept of ionic bonds and their properties
• Identify examples of ionic compounds
• Describe how ionic bonds affect the physical properties of substances

Learning Objectives

• Differentiate between mixtures and solutions based on uniformity and separability.
• Identify key components such as solute and solvent in solutions.
• Explain how concentration affects mixtures and solutions.+ Show more

Learning Objectives

• Define the principle of mass conservation in chemical reactions.
• Explain how atoms are conserved during a chemical change.
• Identify real-world examples of mass conservation in sealed systems and natural processes.+ Show more

Learning Objectives

• Recognize visual signs of chemical change, especially color shifts
• Identify different indicators of chemical reactions in laboratory and environmental contexts
• Understand how color changes signal the formation of new substances during chemical processes

Learning Objectives

• Understand the causes of acid rain and how it forms.
• Identify the effects of acid rain on limestone formations.
• Analyze environmental impacts of acid deposition.+ Show more

Learning Objectives

• Identify different types of chemical reactions
• Understand the process of chemical transformation and energy exchange
• Recognize examples of reactions in daily life

Learning Objectives

• Understand basic concepts of population genetics, including allele frequency and genetic variation.
• Identify the assumptions of Hardy-Weinberg equilibrium.
• Describe processes such as genetic drift, bottlenecks, and founder effects, and their impact on genetic diversity.+ Show more

Learning Objectives

• Understand Mendelian inheritance patterns including dominance and recessiveness.
• Differentiate between genotype and phenotype.
• Use Punnett squares to predict offspring traits.+ Show more

Learning Objectives

• Understand different reproductive methods and their effects on genetic diversity
• Trace inheritance of traits through chromosomes and Mendelian patterns
• Analyze the adaptive consequences of selective breeding+ Show more

Learning Objectives

• Understand what genes and proteins are and their roles in living organisms.
• Explain the processes of transcription and translation in gene expression.
• Recognize how gene regulation influences traits and phenotypes.+ Show more

Learning Objectives

• Understand the structure of DNA and how it forms the double helix.
• Identify the organization of chromosomes within cells.
• Differentiate between nuclear and organelle genomes.+ Show more

Learning Objectives

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

Learning Objectives

• Define and describe binary fission, budding, spore formation, and vegetative propagation.
• Identify examples of asexual reproduction in Alberta flora and bacterial populations.
• Analyze the ecological contexts favoring asexual versus sexual reproduction.

Learning Objectives

• Identify the parts of complex mechanical systems
• Explain how parts interact and transfer energy
• Predict the motion of systems using Newton's laws+ Show more

Learning Objectives

• Understand the concepts of power and efficiency in mechanical systems
• Learn how to calculate power and efficiency
• Analyze how energy transfer affects machine performance

Learning Objectives

• Recognize and explain the concept of inertia.
• Identify objects at rest and in motion.
• Understand how objects tend to stay in their current state unless acted upon.

Learning Objectives

• Define net force and explain how it affects an object's motion.
• Identify different forces acting on objects in various scenarios.
• Describe how forces can be broken down into components and combined.+ Show more

Learning Objectives

• Explain how force influences acceleration in objects of different masses.
• Distinguish between inertial mass and gravitational effects.
• Apply the force–acceleration relationship to solve problems involving mass and force.

Learning Objectives

• Understand how force acting over time creates impulse
• Analyze the relationship between impulse, force, and contact duration
• Differentiate between elastic and inelastic collisions+ Show more

Learning Objectives

• Define static and kinetic friction
• Explain how friction opposes motion between surfaces
• Describe how surface properties and normal force influence friction+ Show more

Learning Objectives

• Identify components involved in circular motion
• Understand the concept of centripetal force
• Explain how speed and radius affect an object's acceleration in a circle+ Show more

Learning Objectives

• Understand how skin blood flow helps regulate internal body temperature.
• Explain the role of shivering in maintaining warmth.
• Describe how the hypothalamus detects temperature changes and activates responses.

Learning Objectives

• Explain how feedback loops regulate organ functions in the human body.
• Identify the roles of neural and hormonal signals in maintaining homeostasis.
• Describe how different organ systems interact during physical activity.+ Show more

Learning Objectives

• Understand how nerve impulses provide quick responses to stimuli
• Identify the role of the nervous system in maintaining homeostasis
• Explain the interaction between neural responses and hormonal regulation

Learning Objectives

• Identify different tissue types in organs such as the heart.
• Understand how tissue layers contribute to organ function.
• Recognize the organization of tissues within the heart.+ Show more

Learning Objectives

• Understand the structure and function of basic cell parts.
• Learn how microscopes help visualize cell components.
• Interpret diagrammatic models and their relation to real cell structures.

Learning Objectives

• Identify the main components of the plasma membrane.
• Understand how materials move in and out of cells.
• Differentiate between passive and active transport mechanisms.+ Show more

Learning Objectives

• Understand the structure and function of the kidneys in maintaining fluid and ion balance.
• Identify processes such as filtration, reabsorption, secretion, and concentration within the nephron.
• Explain the influence of hormones like antidiuretic hormone and aldosterone on kidney function.+ Show more

Learning Objectives

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

Learning Objectives

• Identify the main components of a cell.
• Describe the functions of key organelles.
• Understand how cell structure relates to its function.

Learning Objectives

• Understand how balanced chemical equations relate to mole ratios.
• Learn how molar mass converts between mass and amount of substance.
• Recognize how coefficients in balanced equations define mole ratios for reactants and products.+ Show more