Grade 9 Worksheets

Learning Objectives

• Understand the concept of work as the dot product of force and displacement, including the role of the cosine of the angle between them.
• Calculate work done by constant forces at an angle, including lifting against gravity and pulling objects.
• Compare methods for calculating work when forces vary, including using the area under force–distance curves in common approximations.+ Show more

Learning Objectives

• Explain Newton's second law and its formula relating force, mass, and acceleration.
• Differentiate between mass and weight and understand their units.
• Apply the principle of vector quantities in force and acceleration analysis.+ Show more

Learning Objectives

• Describe how electrons are distributed among energy levels and orbitals in an atom.
• Explain the significance of valence electrons in chemical reactivity and bonding.
• Understand the shell filling order and its relation to periodic trends.+ Show more

Learning Objectives

• Explain how different organelles work together to maintain cellular functions.
• Describe the pathways of genetic information flow and protein trafficking within a cell.
• Identify the roles of mitochondria, lysosomes, and the Golgi apparatus in cellular processes.+ Show more

Learning Objectives

• Explain Newton's First Law as a statement about inertia and the relationship between net external force and motion.
• Differentiate between objects at rest and those moving at constant velocity.
• Describe the role of balanced forces in static and dynamic equilibrium.+ Show more

Learning Objectives

• Describe the Earth's rotation, revolution, and orbital parameters and how they cause observable cycles like day and night.
• Explain the relative motions of the Moon and Sun and how gravitational interactions lead to tidal phenomena.
• Differentiate between sidereal and solar periods and relate these to Earth's observable celestial cycles.+ Show more

Learning Objectives

• Understand the interconnected processes involved in the rock cycle.
• Identify the different types of rocks and their formation pathways.
• Explain the role of plate tectonics and energy sources in rock transformations.+ Show more

Learning Objectives

• Describe diagnostic physical and chemical properties of common rock-forming minerals.
• Explain how mineral composition relates to formation environment and stability under varying temperature and pressure conditions.
• Connect mineral assemblages to petrogenetic histories and economic significance, including distinctions between ore minerals and gangue.

Learning Objectives

• Explain the structure and function of DNA and chromosomes.
• Describe how genetic material is organized within cells.
• Distinguish between nuclear and organelle genomes.+ Show more

Learning Objectives

• Understand the roles of mitosis and meiosis in growth, repair, and reproduction.
• Describe the processes of chromosome pairing, segregation, and potential errors such as nondisjunction.
• Explain how heredity transmission and variation are influenced by cell division mechanisms.+ Show more

Learning Objectives

• Understand the differences between sexual and asexual reproduction.
• Identify examples of reproductive strategies used by organisms in Alberta.
• Compare ecological trade-offs related to reproductive methods.+ Show more

Learning Objectives

• Understand the principles of Mendelian inheritance, including dominant and recessive alleles.
• Distinguish between genotype and phenotype in genetic traits.
• Explain how Punnett squares predict trait segregation ratios.+ Show more

Learning Objectives

• Understand how orbital parameters such as eccentricity, axial tilt, and precession influence seasonal insolation and climate variability.
• Explain the gravitational and geometric basis of tidal forcing from the Moon and Sun.
• Analyze resonance effects and tidal locking phenomena in orbital dynamics.+ Show more

Learning Objectives

• Differentiate between heterogeneous mixtures and homogeneous solutions based on their properties.
• Identify key components of mixtures and solutions, such as solute and solvent.
• Understand how concentration affects the appearance and behaviour of mixtures.+ Show more

Learning Objectives

• Explain key molecular techniques used in biotechnology such as PCR, gel electrophoresis, DNA sequencing, and CRISPR genome editing.
• Identify various applications of biotechnology in research, medicine, agriculture, and forensics.
• Discuss ethical, legal, and societal considerations associated with biotechnological advancements.

Learning Objectives

• Explain the semi-conservative nature of DNA replication.
• Identify the roles of enzymes such as helicase, primase, and DNA polymerase during replication.
• Describe the processes of leading and lagging strand synthesis, including Okazaki fragments.+ Show more

Learning Objectives

• Understand key ethical considerations in biotechnology, including privacy, consent, and ecological impact.
• Analyze societal implications and regulatory frameworks related to genetic manipulation.
• Evaluate risks and benefits associated with biotechnological advancements.+ Show more

Learning Objectives

• Understand the principle of conservation of mass during chemical reactions.
• Identify factors that can influence measured mass values.
• Explain how system boundaries and containment affect mass conservation analysis.+ Show more

Learning Objectives

• Explain the fundamental principles of oxidation and reduction in chemical reactions.
• Identify electron transfer events and changes in oxidation states during redox reactions.
• Track oxidation state changes to determine oxidizing and reducing agents in chemical equations.+ Show more

Learning Objectives

• Understand the different types of tissues and their functions.
• Identify characteristics of epithelial, connective, muscle, and nervous tissues.
• Explain how tissue structure relates to function in organs.+ Show more

Learning Objectives

• Understand the construction and critique of scientific arguments using claim-evidence-reasoning structures.
• Identify coherence, relevance, and how alternative explanations are considered in scientific reasoning.
• Explain how quantitative evidence and model comparisons strengthen arguments.+ Show more

Learning Objectives

• Describe the main functions of human organ systems and how they work together.
• Explain how feedback mechanisms regulate physiological processes.
• Identify the roles of the circulatory, respiratory, digestive, renal, nervous, and endocrine systems.+ 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 regulatory mechanisms that coordinate metabolic pathways, including allosteric control, covalent modification, and compartmentalization.
• Explain feedback inhibition and hormonal signals that shift metabolic flux between catabolism and anabolism.
• Model how enzyme kinetics and substrate concentrations influence pathway rates.+ Show more

Learning Objectives

• Understand the causes of apparent diurnal and annual motion of celestial objects from Earth's perspective.
• Describe how Earth's rotation and revolution lead to observable sky changes over nights and seasons.
• Apply celestial coordinate concepts such as rising, setting, altitude, and azimuth to explain observed phenomena.+ Show more

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

• 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

• Interpret molecular and phenotypic information to analyze genetic inheritance patterns.
• Apply techniques such as genotype and phenotype frequency analysis, PCR, SNPs, and sequencing to identify genetic variants.
• Compare observed data with expected inheritance ratios or family patterns to detect linkage, heterozygosity, or selection.+ Show more

Learning Objectives

• Describe the purpose and key processes of the Calvin cycle in photosynthesis.
• Identify the enzymes and molecules involved in the Calvin cycle.
• Explain how ATP and NADPH are utilized during the cycle to synthesize sugars.+ Show more

Learning Objectives

• Explain how friction and drag oppose relative motion and affect acceleration
• Identify the direction of friction and drag forces using everyday scenarios and free-body reasoning
• Describe how friction depends on normal force and surface conditions, and how drag depends on speed and shape+ Show more

Learning Objectives

• Explain the relationship between kinetic energy and the speed of an object
• Describe how gravitational potential energy depends on height and a chosen reference level
• Interpret energy transfers between potential and kinetic energy in real systems such as roller coasters

Learning Objectives

• Explain how scientific models represent phenomena at an appropriate level of detail.
• Differentiate between models, explanations, and scientific theories based on how they use evidence.
• Describe why scientific theories can change when new evidence conflicts with existing ideas.+ Show more

Learning Objectives

• Interpret position–time and velocity–time graphs in various motion scenarios.
• Understand how slopes of graphs relate to physical quantities like velocity and acceleration.
• Calculate displacement from areas under velocity–time graphs.+ Show more

Learning Objectives

• Understand the defining properties of elements based on proton count and chemical symbols.
• Explain how atomic models represent atomic identity and classification.
• Identify the significance of atomic mass, symbolic notation, and element classification in practical applications.+ Show more

Learning Objectives

• Use commas correctly with introductory elements, coordinating conjunctions, and parenthetical information.
• Use semicolons to connect closely related independent clauses and avoid comma splices.
• Use colons to introduce explanations, lists, or evidence after a complete introductory statement.+ Show more

Learning Objectives

• Differentiate between homogeneous and heterogeneous mixtures.
• Describe physical methods used to separate components based on physical properties.
• Identify examples of mixtures such as saltwater, soil, and air.+ Show more

Learning Objectives

• Understand how environmental exposures influence cellular processes and long-term health.
• Identify types of pollutants and hazards affecting human health.
• Describe mechanisms by which pollutants cause DNA damage, endocrine disruption, and transport impairment.+ Show more

Learning Objectives

• Describe what characterizes physical changes, including state and form alterations.
• Identify examples of reversible and irreversible physical transformations.
• Explain how energy transfer accompanies phase changes such as melting and evaporation.+ Show more

Learning Objectives

• Understand the principle of conservation of mass in closed systems during chemical reactions.
• Recognize scenarios where mass appears to change due to gas exchange versus true mass conservation.
• Explain how mass is conserved in processes like combustion in sealed containers and precipitate formation.+ Show more

Learning Objectives

• Explain the particle model as a framework for understanding states of matter, diffusion, and temperature-dependent behavior.
• Describe how particle motion, spacing, and forces relate to microscopic and macroscopic phenomena.
• Relate kinetic energy to temperature and analyze particle arrangements in solids, liquids, and gases.+ Show more

Learning Objectives

• Understand the particle model to explain gas properties such as pressure, volume, and temperature.
• Describe how particle collisions and kinetic energy influence measurable pressure changes.
• Explain qualitatively how macroscopic gas laws emerge from microscopic particle motion.+ Show more

Learning Objectives

• Assess how lifestyle and environmental factors influence human health.
• Interpret evidence linking nutrition, activity, tobacco, pollution, and sleep to health outcomes.
• Understand mechanisms like oxidative stress, inflammation, membrane transport, and hormonal signaling in disease development.+ Show more

Learning Objectives

• Analyze the structure and function of nephrons in blood filtration and urine formation.
• Describe the processes of glomerular filtration, reabsorption, secretion, and concentration of urine.
• Explain how renal regulation maintains electrolyte balance, acid-base homeostasis, and blood pressure.+ Show more

Learning Objectives

• Describe the physical and cellular defenses that protect against pathogens.
• Explain the roles of innate and adaptive immunity in immune response.
• Identify mechanisms of inflammation and immune memory formation.+ Show more

Learning Objectives

• Explain the mechanical and chemical processes involved in digestion and nutrient absorption.
• Describe the structure and function of villi and microvilli in increasing surface area for absorption.
• Understand how enzymes facilitate the hydrolysis of macronutrients into absorbable units.+ Show more

Learning Objectives

• Describe the structure and function of the heart, blood vessels, and blood components.
• Explain the mechanisms of blood flow, capillary exchange, and vascular resistance.
• Identify how the cardiovascular system maintains homeostasis during physiological stress.

Learning Objectives

• Explain phase changes in terms of energy transfer and particle motion.
• Identify the processes of melting, vaporization, sublimation, and condensation.
• Understand how heat energy affects particle potential and kinetic energy during phase transitions.+ Show more

Learning Objectives

• Identify and categorize different types of chemical reactions including synthesis, decomposition, single and double displacement, and combustion.
• Recognize observable outcomes and reactant-product patterns for each reaction type.
• Apply reaction classification to predict products and understand mass relationships.+ Show more