Grade 9 Worksheets

Learning Objectives

• Compare physical, cellular, and biochemical immune barriers with adaptive immune responses.
• Explain how antigen recognition leads to inflammation, antibody production, and immune memory.
• Describe how stress, nutrition, and environmental exposures can alter immune competence and increase disease risk.

Learning Objectives

• Explain how uncertainty comes from limitations in data collection and from conditions that differ from an intended model.
• Identify common error sources such as instrument limits, human judgment, environmental variation, and oversimplified assumptions.
• Use uncertainty to judge whether results meaningfully differ from each other or could be due to chance and error.

Learning Objectives

• Understand the components and processes involved in biogeochemical cycles.
• Identify how elements like carbon, nitrogen, and phosphorus move through Earth's spheres.
• Explain the role of biological processes such as photosynthesis, decomposition, and nitrogen fixation.+ Show more

Learning Objectives

• Describe how the Earth’s magnetic field is related to navigation tools like compasses and to dip and declination angles.
• Explain how regional magnetic variation affects map-and-compass use and surveying in Alberta.
• Connect auroral displays to magnetism and charged particles in Earth’s upper atmosphere.

Learning Objectives

• Explain how chemical reactions involve changes in potential and kinetic energy.
• Differentiate endothermic and exothermic reactions using energy and bond ideas.
• Interpret simple energy diagrams and relate them to observable temperature changes.+ Show more

Learning Objectives

• Use balanced chemical equations and conservation of mass to relate reactants and products quantitatively.
• Convert between moles, mass, and particle counts using molar masses and Avogadro’s number.
• Determine the limiting reagent and predict theoretical yield from stoichiometric ratios.

Learning Objectives

• Understand the concept of water reservoirs in the water cycle
• Identify the main reservoirs for carbon and water
• Explain how reservoirs interact and affect climate and environmental processes+ Show more

Learning Objectives

• Identify kinetic and potential energy in mechanical systems
• Understand how work, collisions, and friction transfer energy
• Explain how energy converts between forms during mechanical processes+ Show more

Learning Objectives

• Explain how cellular organelles' structures support their specific functions.
• Describe how organism structures reflect their functional needs.
• Use models to connect physical features to biological roles.+ Show more

Learning Objectives

• Explain how mechanical digestion and chemical hydrolysis break food into molecules that can be absorbed.
• Describe how intestinal villi and microvilli increase surface area and improve nutrient transport.
• Compare facilitated diffusion, active transport, and transport via micelles for different nutrient types.+ Show more

Learning Objectives

• Understand the concept of uncertainty in scientific measurements.
• Identify common sources of measurement errors such as instrument limitations, human judgment, and environmental factors.
• Evaluate how measurement uncertainties can impact scientific conclusions.

Learning Objectives

• Explain how genes and alleles determine genotypes and lead to observable phenotypes
• Use dominant and recessive inheritance relationships to predict trait outcomes across generations
• Interpret heredity evidence using genotype-to-phenotype reasoning

Learning Objectives

• Understand the structure of electron shells and energy levels
• Identify how electrons are distributed in atoms based on their electron configuration
• Recognize the importance of valence electrons in chemical reactivity and bonding+ Show more

Learning Objectives

• Describe how forces act as push or pull interactions and identify examples of contact and non-contact forces in everyday Alberta contexts.
• Use magnitude and direction to reason about forces as vectors, including how opposing forces affect motion.
• Explain, qualitatively, how net force expectations relate to whether an object speeds up, slows down, or changes direction.

Learning Objectives

• Identify different parts of mechanical devices
• Understand how parts interact within a system
• Explain the roles of inputs, outputs, and energy transfers+ Show more

Learning Objectives

• Use dimensional analysis to check that equations for physical and biological quantities have consistent units.
• Derive relationships between quantities by tracking units and identifying plausible proportionality and rate forms.
• Use unit-checking to find and correct algebraic or modeling errors, and to constrain scaling and density/flux/rate computations.

Learning Objectives

• Explain how protons, neutrons, and electrons determine atomic structure and ion formation
• Describe how electron configurations and valence electrons relate to chemical properties and periodic trends
• Use quantized energy levels to connect atomic structure models to spectral behavior and reactivity

Learning Objectives

• Explain conservation of energy in isolated systems and distinguish energy transfer between forms.
• Use kinetic and potential energy ideas to predict motion outcomes in mechanical situations.
• Describe how nonconservative forces (like friction) convert mechanical energy into thermal energy.+ Show more

Learning Objectives

• Compare physical and chemical changes using the ideas of energy transfer between a system and its surroundings
• Determine whether a change is endothermic or exothermic based on temperature behavior and direction of energy flow
• Explain how microscopic particle motion/arrangement and bond rearrangement relate to observable temperature changes

Learning Objectives

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

Learning Objectives

• Understand the main functions of the immune system
• Differentiate between innate and adaptive immune responses
• Recognize how immune communication integrates with other body systems+ Show more

Learning Objectives

• Understand the different types of species interactions that shape community structure.
• Identify examples of ecosystem engineers and keystone species.
• Explain how indirect effects influence ecosystem stability.+ Show more

Learning Objectives

• Explain why circular motion requires a centripetal net force directed toward the center.
• Use the relationship between centripetal acceleration, speed, and radius to predict how motion changes.
• Identify and analyze the forces (tension, friction, normal force) that provide the inward centripetal force.

Learning Objectives

• Identify how uncertainty (error bars and uncertainty bands) is used to show limits in measurements.
• Interpret whether differences or trends are meaningful by comparing overlap or separation of uncertainties.
• Explain why measurement noise can change the strength of conclusions drawn from graphs.

Learning Objectives

• Interpret weather data patterns using variables such as temperature, humidity (dew point), wind, and pressure
• Explain how short-term weather variability differs from longer-term climate averages
• Use evidence from data trends to describe likely precipitation timing, cloud development, and storm intensity

Learning Objectives

• Explain how compound machines combine simple machines to produce mechanical advantage
• Calculate ideal mechanical advantage using force and displacement relationships
• Compare ideal mechanical advantage with actual performance after accounting for friction and deformation+ Show more

Learning Objectives

• Explain how conservation of atoms connects to conservation of mass when system boundaries are defined correctly.
• Distinguish between open and closed systems and predict how escaped gases affect measured mass.
• Use mass measurements (reactants and products) to evaluate whether accounting for all phases is complete.+ Show more

Learning Objectives

• Explain Mendelian inheritance using segregation and predictable dominant/recessive phenotypes
• Compare non-Mendelian inheritance patterns (incomplete dominance, codominance, multiple alleles, sex-linked, imprinting, mitochondrial)
• Describe how linkage and environmental interactions can change observed phenotypic ratios

Learning Objectives

• Interpret patterns in data using graphs and tables, focusing on direction, spread, and outliers.
• Choose appropriate axes, scales, and labels to align claims with evidence.
• Evaluate statements about data representation tools using accurate reasoning.

Learning Objectives

• Explain how proportional reasoning and dimensional similarity help scale models across spatial and temporal contexts
• Use scaling relationships (including exponents) to predict how measurable quantities change with size or time
• Identify when scale-dependent effects and nonlinearity limit the applicability of simple proportional models

Learning Objectives

• Understand the relationship between wave speed, frequency, and wavelength.
• Explain how changes in frequency affect wavelength in a given medium.
• Connect wave properties to real-world examples of wave behavior.

Learning Objectives

• Understand the concept of work as the dot product of force and displacement
• Learn how the cosine of the angle between force and displacement affects work
• Differentiate methods for calculating work with constant and variable forces+ Show more

Learning Objectives

• Explain the key features of ocean circulation and their effects on climate.
• Describe how surface currents and deep thermohaline flows are driven.
• Identify features such as gyres, upwelling zones, and boundary currents and their influence.+ Show more

Learning Objectives

• Explain how heat transfer occurs due to temperature differences between a system and its surroundings
• Describe how work transfers energy through forces acting over a distance
• Distinguish physical and chemical changes by tracking how energy enters or leaves the system

Learning Objectives

• Analyze how modern literacy strategies (including digital texts and social narratives) support comprehension and critical thinking.
• Evaluate the role of media literacy in identifying bias, credibility, and persuasive techniques.
• Explain how inclusive storytelling and literacy advocacy can empower individuals and communities.

Learning Objectives

• Explain the purpose of the International Day of Peace and why it matters in a global community.
• Identify how conflict resolution and diplomacy can reduce harm and support cooperation.
• Describe how different cultures use ceremonies, stories, and symbols to express hopes for peace.+ Show more

Learning Objectives

• Explain how constitutional rights are interpreted and applied in real-life scenarios through court decisions
• Analyze how limits on government power protect individual freedoms
• Connect constitutional principles (like due process and equal protection) to current civic issues

Learning Objectives

• Define endothermic and exothermic reactions.
• Describe how energy is transferred during bond breaking and forming.
• Interpret energy diagrams related to chemical reactions.+ Show more

Learning Objectives

• Define diffusion and concentration gradients using accurate vocabulary.
• Explain how passive transport differs from active transport in terms of energy use.
• Describe how water moves by osmosis and how bulk movement can occur via vesicles.

Learning Objectives

• Identify the main idea of light reactions in thylakoid membranes
• Describe key steps: photon absorption, electron flow, and proton gradient formation
• Explain how water splitting replenishes electrons and releases oxygen

Learning Objectives

• Identify common pedigree symbols and relationships.
• Explain how pedigrees help reveal inheritance patterns across generations.
• Distinguish between affected individuals and carrier status in basic pedigree reasoning.

Learning Objectives

• Identify a specific ethical issue related to genetic technologies.
• Support claims with evidence from a text about genetic privacy and consent.
• Explain how control of genetic information affects stakeholders and public trust.

Learning Objectives

• Identify claims about ecological risks and benefits from evidence in a passage
• Explain how gene flow can affect wild populations and why monitoring matters
• Use risk language (uncertainty, likelihood, mitigation) to evaluate ecological trade-offs

Learning Objectives

• Explain how privacy, transparency, accountability, and responsibility relate to ethical AI use
• Identify ethical risks when AI is used for decisions in school and society
• Describe steps that support responsible AI development and safer outcomes

Learning Objectives

• Explain how the cardiovascular system transports oxygen, nutrients, and removes metabolic wastes.
• Describe how heart valves, blood vessels, and blood flow work together to support efficient circulation.
• Relate capillary exchange (filtration and reabsorption) to plasma movement and tissue needs.+ Show more

Learning Objectives

• Explain how chemical properties affect persistence in the environment and potential exposure routes
• Evaluate trade-offs between usefulness of everyday chemicals and health or environmental risks using evidence
• Describe safe handling and disposal choices based on exposure prevention and regulatory guidance

Learning Objectives

• Explain how energy from the Sun and Earth’s interior is transferred through radiation, conduction, and convection.
• Describe how energy gradients drive atmospheric and oceanic circulation and influence weathering and tectonic activity.
• Connect radioactive decay to long-term heat production, mantle convection, and volcanic activity.

Learning Objectives

• Define physical properties as observable or measurable characteristics that do not change the chemical identity of a substance.
• Classify materials using physical properties such as density, melting point, boiling point, colour, hardness, and conductivity.
• Distinguish intensive and extensive physical properties and predict how they behave in different samples.