Grade 9 Worksheets

Learning Objectives

• Understand the basic concepts and purpose of photosynthesis
• Identify the main inputs and outputs of photosynthesis
• Explain the process of capturing light energy in chloroplasts+ Show more

Learning Objectives

• Identify different types of energy sources.
• Understand the transition from fossil fuels to renewable energy.
• Explain concepts of decarbonization and greenhouse gas accounting.+ Show more

Learning Objectives

• Understand the structure of displacement–time graphs
• Interpret the meaning of slope and area in displacement–time graphs
• Identify different motion profiles from graphs+ Show more

Learning Objectives

• Understand the formation and process of subduction zones.
• Identify geological features associated with subduction zones such as trenches and volcanic arcs.
• Explain how slab dehydration influences volcanic activity and seismic hazards.+ Show more

Learning Objectives

• Identify main claims and supporting details during collaborative discussions
• Apply turn-taking behaviors that show respectful, purposeful listening
• Use sentence-level listening strategies (summarizing, asking follow-up questions, requesting clarification)+ Show more

Learning Objectives

• Describe wave properties using amplitude, frequency, wavelength, and phase.
• Relate wave speed to frequency and wavelength using v = f × λ.
• Use ideas of superposition and interference to explain patterns in waves.+ Show more

Learning Objectives

• Understand the ethical issues related to genetic privacy and consent.
• Analyze societal impacts of genetic technologies such as GMOs and biobanking.
• Evaluate different stakeholder responsibilities in genetic science.+ Show more

Learning Objectives

• Explain how climate, natural resources, and economic opportunities influence where people live.
• Describe how urban areas and rural areas differ in population density and spatial patterns.
• Analyze how migration and demographic change alter population distribution over time.

Learning Objectives

• Identify the difference between vague and well-structured health goals using specific and measurable language.
• Write realistic health goals that connect to personal habits and behavior change.
• Apply goal-setting steps to create an action plan with checkpoints and adjustments.

Learning Objectives

• Explain how DNA structure (double helix and base pairing) supports accurate heredity.
• Describe how chromosomes organize genes using loci and how karyotypes display chromosome features.
• Compare nuclear DNA and organelle genomes (e.g., mitochondrial DNA) in terms of packaging and inheritance.

Learning Objectives

• Describe how forces can change an object’s motion through push or pull interactions
• Differentiate between contact forces and non-contact forces using Alberta-style examples
• Explain how force magnitude and direction combine to predict the direction of motion using qualitative reasoning+ Show more

Learning Objectives

• Explain why map projections are necessary for representing Earth’s curved surface on a flat map.
• Compare common projections (e.g., Mercator and Robinson) and identify what each projection tends to preserve or distort.
• Evaluate how distortion affects interpreting distance, area, shape, and direction on maps.

Learning Objectives

• Identify the key steps in a health-focused decision-making process and explain why each step matters.
• Evaluate options for health choices by considering outcomes and aligning actions with personal values and goals.
• Create and monitor simple, achievable health goals using clear criteria and progress checks.+ Show more

Learning Objectives

• Understand the basic operating principles of electric motors and generators.
• Identify different types of motors and their applications.
• Match performance characteristics to load requirements in electromagnetic devices.+ Show more

Learning Objectives

• Understand the mechanisms linking oceanic and atmospheric variability, including phenomena like ENSO.
• Analyze how sea surface temperature anomalies influence atmospheric convection and climate patterns.
• Interpret time-series analyses, lag-correlation maps, and energy-budget perspectives related to ocean–atmosphere interactions.+ Show more

Learning Objectives

• Define mechanical work in terms of force and displacement and identify when work is zero
• Distinguish kinetic energy from potential energy and recognize how energy can transfer between forms
• Use SI units to compute work, relate energy changes, and interpret power in mechanical systems

Learning Objectives

• Explain the principle of conservation of energy in isolated systems.
• Describe how kinetic and potential energy interchange during motion.
• Identify the effects of nonconservative forces like friction on mechanical energy.+ Show more

Learning Objectives

• Understand the importance of conveying uncertainty in scientific data.
• Recognize different methods of expressing confidence and variability.
• Interpret visualizations that depict uncertainty.+ Show more

Learning Objectives

• Explain how energy flows through food chains in one direction while decreasing at each trophic level
• Describe how matter cycles through organisms and the environment through processes that rearrange atoms
• Use trophic-level and biomass ideas to interpret how organisms incorporate and redistribute matter and energy

Learning Objectives

• Explain how media and cultural messages can influence health beliefs about body image, diet, and lifestyle.
• Use media literacy strategies to evaluate claims and identify bias or unrealistic standards.
• Describe how to make informed health decisions despite persuasive or misleading media messages.

Learning Objectives

• Revise a draft to maintain consistent verb tense, point of view, and pronoun reference across sentences.
• Use standard punctuation to clearly mark clause boundaries after revisions.
• Correct word form and agreement errors that can create fragments, double negatives, or confusing meaning.

Learning Objectives

• Explain how subduction zones form and their geological features.
• Describe the processes occurring at subduction zones such as slab dehydration and arc volcanism.
• Identify the factors influencing seismic hazards at subduction zones, including slab angle and convergence rate.+ Show more

Learning Objectives

• Understand how distance and time relate to speed in motion.
• Explain how changes in speed over time relate to acceleration.
• Interpret distance-time and speed-time graphs to describe motion.+ Show more

Learning Objectives

• Understand the mechanisms of enzyme regulation such as allosteric control and inhibition.
• Identify how environmental factors influence enzyme activity.
• Explain feedback inhibition and its role in metabolic pathways.+ Show more

Learning Objectives

• Identify how strong discussion responses connect to a speaker’s prior claim using acknowledgement and clear signaled connections
• Use evidence-based reasoning (relevant details, reasons, and examples) to support agreement or disagreement
• Distinguish extending, challenging, and reframing moves in seminar or debate-style discussions

Learning Objectives

• Explain how matter cycles through ecosystems while energy flows and is lost as heat.
• Describe key steps in the carbon, nitrogen, and phosphorus cycles (respiration, decomposition, nutrient uptake).
• Evaluate the roles of decomposers and nutrient pathways connecting organisms to air, water, and soil.

Learning Objectives

• Identify physical and perceptual features that shape how urban areas function and feel to residents.
• Explain how economic, social, and geographic factors influence city layouts and land use patterns.
• Analyze how transportation hubs and public spaces affect regional identities and daily routines.

Learning Objectives

• Understand the role of DNA, RNA, and protein sequences in evolutionary studies.
• Identify conserved genetic regions across different species.
• Learn how molecular clocks estimate divergence times.+ Show more

Learning Objectives

• Understand various sources and mechanisms of energy transfer within Earth systems.
• Identify the roles of solar radiation, geothermal heat, conduction, and convection.
• Describe how energy gradients influence atmospheric and oceanic circulation.+ Show more

Learning Objectives

• Identify how levers, wheel and axle, pulleys, inclined planes, and screws transfer forces to reduce effort or change direction.
• Explain the difference between ideal mechanical advantage and practical mechanical advantage when friction is present.
• Use relationships among input force, load, and displacement to reason about how simple machines affect work and energy.+ Show more

Learning Objectives

• Identify technical meanings of words in academic texts.
• Use contextual clues to determine precise definitions.
• Differentiate between everyday and domain-specific uses of terminology.

Learning Objectives

• Use quantitative indicators (e.g., extraction rates, groundwater level trends, land-use change metrics) to describe human impacts on Earth systems.
• Interpret resource trends using the ideas of natural variability and system thresholds, including consequences such as subsidence, erosion, and altered sediment budgets.
• Evaluate sustainability by comparing datasets and calculating ratio-based measures of use versus replenishment.+ Show more

Learning Objectives

• Identify viewpoint bias by analyzing which details a narrator or author includes or omits.
• Explain how loaded wording and tone can guide a reader’s judgment.
• Compare perspectives by noting one-sided sourcing and contrasts between stated facts and minimized information.+ Show more

Learning Objectives

• Understand the concept of coupled quantitative models in environmental systems.
• Identify the interactions among geosphere, hydrosphere, atmosphere, and biosphere in modeling scenarios.
• Evaluate the importance of model structure, parameter sensitivity, and uncertainty propagation.+ Show more

Learning Objectives

• Understand how engineering design addresses societal needs and public priorities.
• Identify factors that influence technology choices and social outcomes.
• Analyze examples of engineering solutions that improve access, safety, and reliability.+ Show more

Learning Objectives

• Explain how the nephron filters blood and forms urine using glomerular filtration, tubular secretion, and selective reabsorption
• Describe how hydrostatic and oncotic pressures drive glomerular filtration and how tubular processes affect water and solute balance
• Connect countercurrent multiplication to urine concentration and relate renal regulation to homeostasis, including endocrine control

Learning Objectives

• Understand proper comma placement after introductory words and phrases.
• Recognize the function of commas in clarifying sentence structure.
• Identify correct punctuation use in complex sentences involving clauses.+ Show more

Learning Objectives

• Analyze how land-use change, invasive species, pollution, and resource extraction affect biodiversity and ecosystems.
• Interpret empirical data from case studies such as deforestation, coral reef degradation, and agricultural runoff.
• Evaluate trade-offs among conservation efforts, provisioning services, and socioecological outcomes.+ Show more

Learning Objectives

• Understand the factors that regulate population sizes and dynamics.
• Analyze mathematical models such as logistic growth and predator-prey cycles.
• Evaluate human impacts on carrying capacity and population resilience.+ Show more

Learning Objectives

• Understand how resource extraction affects ecosystems through habitat change, pollution, and material cycles.
• Identify environmental consequences of mineral mining, fossil fuel extraction, and water withdrawal.
• Evaluate criteria for assessing sustainability including resource renewability and environmental trade-offs.+ Show more

Learning Objectives

• Understand the inverse-square dependence of gravitational and electrostatic forces.
• Apply quantitative formulas to calculate magnitudes and directions of forces between masses and charges.
• Explain the approximations used for point masses and point charges in force calculations.+ Show more

Learning Objectives

• Understand the key factors influencing Earth's climate variability.
• Analyze how solar flux, albedo, greenhouse gases, and ocean heat transport affect regional weather patterns.
• Interpret observational records and paleoclimate proxies to attribute climate trends.+ Show more

Learning Objectives

• Identify Newton’s third-law force pairs by specifying the two interacting objects and the forces acting on each object.
• Explain why third-law forces are equal in magnitude and opposite in direction but can produce different accelerations.
• Apply third-law ideas to propulsion, gravity interactions, and contact forces in collisions.+ Show more

Learning Objectives

• Explain the importance of balancing chemical equations.
• Identify coefficients and symbols in chemical equations.
• Describe how balancing reflects atomic conservation during reactions.+ Show more

Learning Objectives

• Understand the role of sex chromosomes in inheritance.
• Explain mechanisms of sex-linked trait expression and their implications in regional fauna and livestock.
• Distinguish between different sex determination systems and their genetic consequences.+ Show more

Learning Objectives

• Define Mendelian inheritance and identify its key features
• Describe dominant and recessive traits in genetics
• Recognize various inheritance patterns including incomplete dominance and codominance+ Show more

Learning Objectives

• Understand how measured mass reflects the conservation of atoms during chemical reactions.
• Describe how gaseous products can affect apparent mass changes in open systems.
• Explain the importance of accounting for all phases and system boundaries in mass measurements.+ Show more

Learning Objectives

• Explain how physical landforms (mountains, valleys, deserts, and rivers) are distributed across regions
• Describe how physical features influence human settlement, agriculture, and transportation
• Analyze how climate patterns relate to physical features and water availability+ Show more