Grade 9 Science Worksheets

Learning Objectives

• Select an appropriate graph type (scatterplot, histogram, line graph, or residual display) for a given data situation and explain why it fits.
• Interpret graphs using axis scaling, labeling, binning choices, trends, outliers, and residual patterns.
• Recognize limitations of visual inference and use numerical summaries to support or challenge conclusions.

Learning Objectives

• Explain how the work done by a net force relates to changes in kinetic energy
• Determine whether net work is positive or negative based on the direction of force relative to motion
• Connect constant-speed lifting to zero net work and energy transfer into potential energy+ Show more

Learning Objectives

• Explain how adaptive radiation leads to multiple species from a single ancestral lineage
• Describe how ecological niches, key innovations, and selection pressures influence divergence
• Use concepts like niche partitioning and varying selective pressures to predict patterns of biodiversity

Learning Objectives

• Explain how tectonic plates move and what causes plate motion.
• Describe how plate boundaries relate to earthquakes, volcanism, and mountain building.
• Use plate boundary concepts to interpret patterns of seismic activity and landforms.

Learning Objectives

• Describe the biological hierarchy from molecules to organisms
• Explain how emergent properties arise at higher levels of organization
• Connect structure at each level to function at the next level up

Learning Objectives

• Understand the greenhouse effect and the role of greenhouse gases in climate regulation.
• Identify natural and human sources of greenhouse gases.
• Explain how changes in atmospheric composition influence global temperatures.+ Show more

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

• Compare key structural features of prokaryotic (bacteria and archaea) cells with eukaryotic cells.
• Identify how DNA arrangement differs between prokaryotes and eukaryotes.
• Explain why compartmentalization and organelles matter for cell function.

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

• Explain how impulse and the force–time relationship affect peak force and injury risk during collisions.
• Interpret force–time graphs to compare mitigation strategies that extend collision time and reduce peak acceleration.
• Evaluate how material deformation and energy dissipation (e.g., crumple zones, airbags, helmets) help protect macroscopic objects and people.

Learning Objectives

• Understand the principle of conservation of mass in chemical reactions.
• Identify real-world applications of mass conservation in environmental and industrial contexts.
• Explain how mass remains constant in closed systems during chemical processes.+ Show more

Learning Objectives

• Explain how chemical reactions conserve matter by rearranging atoms rather than creating or destroying them
• Describe how energy transfer (absorbed or released) affects reaction outcomes without violating atom conservation
• Use exothermic and endothermic examples to interpret changes in temperature and heat flow

Learning Objectives

• Explain how chemical reactions conserve matter by rearranging atoms rather than destroying them
• Describe how energy transfer during reactions is reflected in temperature and heat changes
• Differentiate exothermic and endothermic reactions using both energy and product outcomes

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

• Understand the structure and function of genes as segments of DNA that encode proteins.
• Describe the processes of transcription and translation in protein synthesis.
• Explain how gene regulation influences phenotype and observable traits.+ 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

• Differentiate catabolic and anabolic pathways based on how they use energy and reducing power
• Explain how enzymes, feedback regulation, substrate availability, and compartmentalization affect metabolic flux
• Describe how integrated pathways balance biosynthesis and degradation to meet cellular energy demands

Learning Objectives

• Explain how kinetic energy depends on an object's speed and motion
• Describe how gravitational potential energy depends on an object's height relative to a reference level
• Relate changes in height and speed to transfers between kinetic and potential energy

Learning Objectives

• Understand how geologic and atmospheric indicators are used to assess natural hazards.
• Identify different types of natural hazards and their triggering mechanisms.
• Analyze spatial patterns and feedbacks involved in hazard events.+ 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 energy flows through trophic levels in one direction in an ecosystem
• Distinguish producers, primary consumers, secondary consumers, and higher-level consumers
• Interpret how interconnected food webs differ from linear energy pathways+ Show more

Learning Objectives

• Explain how information flows from DNA to RNA to protein and then to phenotype
• Describe how replication fidelity, transcriptional control, RNA processing, and translation affect gene expression
• Predict how point mutations in coding regions versus regulatory regions can change protein function and phenotype+ 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

• Understand the role of engineering in addressing societal needs.
• Identify examples of engineering solutions that improve access, safety, and reliability.
• Analyze how technology choices impact social outcomes such as equity and sustainability.

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

• Identify and explain the concepts of mean, median, and mode in biological data.
• Understand when to use each measure based on data distribution.
• Analyze biological datasets for skewness, outliers, and multimodality.+ Show more

Learning Objectives

• Explain how chemical reactions rearrange atoms and can exchange energy with the environment.
• Identify common types of chemical reactions (combustion, synthesis, decomposition) from real-world examples.
• Interpret symbolic chemical equations by matching reactants to products.+ Show more

Learning Objectives

• Describe the process of photosynthesis and its main components.
• Identify the inputs and outputs of photosynthesis.
• Explain the compartmentalized steps involved in photosynthesis.+ Show more

Learning Objectives

• Identify key processes involved in the carbon cycle
• Explain how carbon moves through ecosystems
• Understand the role of decomposers and producers in the carbon cycle+ Show more

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

• Explain how intermolecular forces influence physical properties such as boiling point and viscosity
• Differentiate between London dispersion forces, dipole–dipole interactions, and hydrogen bonding
• Relate molecular polarity and molecular size to the strength of intermolecular attractions+ 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

• Explain how inherited variation and environmental pressures lead to changes in a population over generations
• Use the ideas of variation, differential survival/reproduction, and inheritance to describe natural selection
• Analyze how environmental change can alter which traits become more common

Learning Objectives

• Understand the factors contributing to air pollution caused by human activities.
• Analyze how different actions impact air quality and ecosystem health.
• Evaluate the tradeoffs involved in reducing air pollution while considering other environmental constraints.+ Show more

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

• Understand the concept of net force and how it influences acceleration.
• Identify different forces acting on an object in various scenarios.
• Explain how multiple forces combine to produce net force and change an object's motion.

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

• Explain what an ecological niche includes, including resources, space, and functional role in an ecosystem.
• Describe how feeding relationships and environmental tolerances affect competition and survival.
• Use niche concepts to predict how changes in environmental conditions can reorganize communities.

Learning Objectives

• Understand the concept of homeostasis and its importance in maintaining internal stability.
• Identify feedback mechanisms, especially negative feedback, that regulate body conditions.
• Describe how systems respond to deviations from set points to preserve organismal health.+ Show more

Learning Objectives

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