Grade 9 Worksheets

Learning Objectives

• Explain how the relative positions of the Sun, Earth, and Moon create the sequence of lunar phases
• Describe how the synodic month controls the regular timing of repeating lunar phases
• Use the fraction of the Moon’s disk illuminated from Earth to predict which phase is visible

Learning Objectives

• Explain how relative positions of the Sun, Moon, and Earth determine Moon phases.
• Describe why eclipses require specific alignment and do not occur every month.
• Use viewing geometry and orbital tilt to predict when eclipses are more likely.

Learning Objectives

• Define complex ideas precisely so readers understand what you mean before you explain why it matters
• Use relevant facts and illustrative examples to support an interpretation and show how evidence proves a relationship among ideas
• Write cause-and-effect explanations using clear process steps, outcomes, and transition language+ Show more

Learning Objectives

• Identify themes conveyed through characters' decisions and imagery.
• Analyze how an author's structural choices support the theme.
• Interpret the development of a central idea across a short story.+ Show more

Learning Objectives

• Understand the geometric relationship between the Sun, Earth, and Moon during different lunar phases.
• Identify the sequence and appearance of lunar phases over a synodic month.
• Explain how lunar phases influence nocturnal illumination and tidal patterns.+ Show more

Learning Objectives

• Identify key indicators that help describe whether a community is liveable, such as access to services, green space, health outcomes, and social inclusion
• Explain how planning decisions and economic or demographic factors can lead to improved well-being or increased inequality
• Analyze how interrelationships among housing, employment, transit, and environmental health shape quality of life

Learning Objectives

• Analyze how local environmental actions (like deforestation and pollution) can produce global effects.
• Explain the interconnectedness of ecosystems and how climate, land, and water systems influence one another.
• Describe examples of international cooperation that address global environmental challenges.+ Show more

Learning Objectives

• Use precise definitions to anchor and clarify a complex idea.
• Explain how evidence supports interpretations by using relevant facts and illustrative examples.
• Use cause-and-effect language to describe processes with clear steps and outcomes.+ 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

• Explain how environmental exposures and lifestyle factors can contribute to chronic disease through biological mechanisms.
• Describe how dose–response relationships and vulnerability factors affect health outcomes over time.
• Compare epidemiological evidence with mechanistic evidence when evaluating health risks from pollutants and toxicants.

Learning Objectives

• Define conditional and branch in programming decisions
• Identify how if-else branches change program output
• Use comparison conditions to select the correct logic branch+ Show more

Learning Objectives

• Explain how a drafting plan clarifies purpose, audience, and a focused topic before writing
• Identify the role of a tentative thesis and how supporting evidence fits into an outline
• Use logical organization to place background information and specific details in the best order

Learning Objectives

• Understand the fundamentals of decision modeling and scenario analysis.
• Explore how systems approach integrates economic, environmental, and social factors.
• Evaluate trade-offs involved in greenhouse gas reduction and sustainability.+ Show more

Learning Objectives

• Identify different forms of energy and how they transfer between objects
• Understand the concept of energy conservation in a system
• Interpret energy diagrams and models illustrating energy changes+ Show more

Learning Objectives

• Calculate the center of mass for composite rigid bodies using given component masses and positions.
• Apply moment and net torque conditions to determine static equilibrium for objects with multiple forces.
• Analyze stability using tipping thresholds by comparing the center of mass relative to the support base.

Learning Objectives

• Explain how electric and magnetic field lines represent direction and relative strength.
• Predict the force direction on a moving charge using the Lorentz force relationship for magnetic fields.
• Use vector superposition ideas to describe how fields combine.+ Show more

Learning Objectives

• Explain how reproductive isolation prevents gene flow and enables speciation
• Compare allopatric and sympatric speciation models using examples
• Describe how genetic divergence, hybrid zones, and polyploidy contribute to new species

Learning Objectives

• Identify evidence from fossils, anatomy, molecules, and biogeography
• Explain how stratigraphy and radiometric dating place evidence in time
• Describe how homologous structures support common ancestry+ Show more

Learning Objectives

• Understand the relationships between Earth's, Moon's, and Sun's orbital patterns and effects.
• Identify phenomena such as seasons, lunar phases, and tides resulting from orbital interactions.
• Describe how Earth's axial tilt and orbital eccentricity influence climate cycles.+ Show more

Learning Objectives

• Identify how point of view affects meaning in narrative and informational texts.
• Explain how narration, fact selection, and claim angle influence readers’ conclusions.
• Analyze how first-person vs. third-person perspectives shape immediacy and objectivity.+ Show more

Learning Objectives

• Use precise definitions to clarify complex ideas in writing
• Develop explanations by using relevant facts and illustrative examples
• Explain relationships among ideas using cause-and-effect and evidence-based connections+ Show more

Learning Objectives

• Explain how friction and drag oppose relative motion and affect acceleration.
• Use the idea that friction depends on normal force and surface conditions.
• Describe how drag depends on an object’s speed and the surrounding fluid.+ Show more

Learning Objectives

• Understand the role of sex chromosomes in inheritance.
• Explain mechanisms of sex-linked trait expression in mammals.
• Distinguish between sex determination systems and inheritance patterns.+ Show more

Learning Objectives

• Explain how consistent methods and clear variables improve the reliability of collected data.
• Use accurate recording procedures to reduce errors in surveys, experiments, and observations.
• Identify reliable vs. unreliable data-collection practices using lesson vocabulary.

Learning Objectives

• Identify run-on sentences and sentence fragments
• Correct comma splices and run-ons
• Restructure awkward or unclear sentences+ Show more

Learning Objectives

• Explain how Kepler’s laws describe orbital shape, area, and period
• Apply Newton’s gravity law to reason about orbital speed changes
• Relate orbital period to semi-major axis for the same central mass+ Show more

Learning Objectives

• Explain how runoff, discharge, and sediment load influence erosion, transport, and deposition over time
• Interpret hydrologic data (discharge records and sediment measurements) to make evidence-based claims about channel or shoreline change
• Describe how different time scales (storms vs. long-term evolution) affect landscape form

Learning Objectives

• Explain key events and purposes of Apollo 11 using evidence from the passage.
• Apply lunar-exploration vocabulary to describe conditions on the Moon.
• Analyze how scientific thinking and engineering constraints support space exploration.

Learning Objectives

• Describe the interactions among the geosphere, hydrosphere, atmosphere, and biosphere using models and diagrams.
• Explain material and energy exchanges such as nutrient transport, gas fluxes, and ocean upwelling effects.
• Use spatial schematics and causal chains to interpret coupled environmental phenomena and feedbacks.

Learning Objectives

• Identify cause and effect relationships within a text.
• Analyze how authors present causes leading to specific effects.
• Apply understanding of cause and effect to comprehend informational passages.

Learning Objectives

• Understand the processes involved in different types of energy conversion devices.
• Analyze energy transfer mechanisms and identify sources of energy loss.
• Evaluate device efficiency and apply conservation laws to energy systems.+ Show more

Learning Objectives

• Identify authorial tone through word choice and imagery
• Analyze how tone influences theme and purpose
• Recognize shifts in tone and stance within a text+ Show more

Learning Objectives

• Distinguish correlation from evidence needed to support causation
• Explain how oxidative stress damages cellular components
• Describe how chronic inflammation can affect health over time+ Show more

Learning Objectives

• Explain what consent means and why it must be enthusiastic, informed, and ongoing.
• Identify examples of healthy boundaries and unhealthy or coercive behaviour in relationships.
• Use communication strategies such as active listening and respectful problem-solving to support safety.

Learning Objectives

• Understand the concept of ionic bonding and electron transfer
• Identify properties of ionic compounds versus covalent compounds
• Recognize examples of ionic bonds in real-world materials+ Show more

Learning Objectives

• Compare sexual and asexual reproduction in terms of how offspring are produced and how variation changes.
• Explain how specific asexual mechanisms (budding, binary fission, and vegetative cloning) affect genetic similarity in offspring.
• Connect reproductive modes to ecological trade-offs such as population growth rate and genetic diversity.

Learning Objectives

• Explain how coefficients in a chemical equation represent relative particle amounts and help maintain conservation of matter.
• Balance simple chemical equations by ensuring the number of atoms of each element matches on both sides.
• Interpret how changing one reactant amount can affect the possible amounts of products using the balanced equation.

Learning Objectives

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

Learning Objectives

• Explain how a net force changes an object's velocity over time.
• Determine whether forces are balanced or unbalanced from a motion description.
• Identify the direction of the net force and resulting acceleration.+ Show more

Learning Objectives

• Understand how soil conservation, irrigation, and watershed management contribute to land sustainability.
• Identify indicators of ecosystem resilience, nutrient cycling, and productivity under land-use scenarios.
• Evaluate trade-offs among food production, biodiversity, and watershed health in land management practices.+ Show more

Learning Objectives

• Explain how Senior Citizens Day reflects social attitudes toward aging.
• Analyze how intergenerational relationships can reduce stereotypes and build community respect.
• Use evidence from a text to describe seniors’ contributions and challenges.+ Show more

Learning Objectives

• State the conservation of mass principle for closed chemical systems
• Compare total reactant mass with total product mass
• Explain how atoms rearrange during chemical reactions+ Show more

Learning Objectives

• Identify classical simple machines and their mechanical functions
• Calculate ideal mechanical advantage using force relationships
• Relate input distance to output distance in ideal machines+ Show more

Learning Objectives

• Understand the importance of advocacy and inclusion for individuals on the autism spectrum.
• Identify ways communities celebrate autism acceptance through campaigns and events.
• Analyze how respectful communication and cultural awareness promote understanding.+ Show more

Learning Objectives

• Describe the processes involved in Earth's water cycle, including evaporation, condensation, and precipitation.
• Explain how water moves through various reservoirs such as the atmosphere, surface, and groundwater.
• Understand the importance of water cycle processes in influencing climate and weather patterns.+ Show more

Learning Objectives

• Explain how informational texts use ordered steps and transitions to show phases of a process.
• Identify cause-and-effect relationships that clarify how outcomes occur.
• Analyze how descriptive and technical details support the purpose and constraints of an explanation.+ Show more

Learning Objectives

• Define natural selection and explain its role in evolution.
• Identify key traits that can influence an organism's survival.
• Understand how certain traits become more common over generations.+ Show more

Learning Objectives

• Apply correct end punctuation (period, question mark, exclamation mark) to match a sentence’s purpose.
• Use commas to separate coordinating and subordinating structures without causing comma splices.
• Use apostrophes correctly for contractions and possession.+ Show more