Grade 9 Worksheets

Learning Objectives

• Explain how forces change an object’s state of motion through acceleration and changes in velocity.
• Distinguish between contact forces and field forces and give examples of each.
• Use force vectors to represent both magnitude and direction of forces.+ Show more

Learning Objectives

• Revise sentences to use correct capitalization, spelling, and punctuation.
• Fix grammar issues by ensuring sentences are complete and grammatically correct.
• Eliminate run-ons and fragments so ideas read smoothly and clearly.

Learning Objectives

• Identify how topic sentences establish a paragraph’s purpose
• Evaluate whether supporting details connect to the main idea
• Explain how logical order improves reader understanding+ Show more

Learning Objectives

• Explain how resistive losses and power factor reduce electrical system efficiency
• Compare metrics used to evaluate efficiency and operating cost in electrical systems
• Describe design choices that improve performance while meeting operational constraints

Learning Objectives

• Identify key communication skills that help people share accurate information during emergencies.
• Apply calm, clear verbal and supportive nonverbal communication strategies when responding to a crisis.
• Evaluate scenarios to choose appropriate emergency communication actions.

Learning Objectives

• Identify a central idea and explain how a theme pattern clarifies its development across a text
• Describe how plot events (conflict and resolution) shape the meaning of a theme
• Connect character choices to the values revealed by those choices, using evidence from beginning to end+ Show more

Learning Objectives

• Describe the key steps of the Calvin cycle and its role in photosynthesis.
• Explain how ATP and NADPH are utilized during carbon fixation and sugar synthesis.
• Identify the enzymes involved in the Calvin cycle, especially ribulose bisphosphate carboxylase.+ Show more

Learning Objectives

• Select evidence (facts, quotations, and paraphrases) that directly supports a specific claim
• Integrate evidence smoothly by introducing it and connecting it back to the thesis using commentary
• Replace vague references with specific details so sources strengthen the argument rather than appear as patchwork

Learning Objectives

• Interpret coefficient ratios in a balanced chemical equation to relate relative amounts of reactants and products.
• Use mass conservation to explain how total mass is conserved during reactions such as corrosion and fuel combustion.
• Calculate and justify reaction quantities using proportional reasoning and relative masses.

Learning Objectives

• Identify different prototyping methods suitable for various stages of product development.
• Evaluate the advantages and limitations of sketching, CAD mockups, rapid prototyping, and scaled physical models.
• Apply measurement techniques to assess prototype performance and interpret test data.+ Show more

Learning Objectives

• Explain how theme develops through patterns in events, character decisions, and recurring ideas across a text.
• Use textual evidence to support an underlying message rather than relying on a single quote.
• Analyze how theme can shift and strengthen gradually as circumstances change.

Learning Objectives

• Identify elements of coherence within a paragraph.
• Understand how proper organization enhances clarity.
• Recognize the importance of logical progression in writing.

Learning Objectives

• Identify how language and tone change based on different audiences.
• Recognize the influence of purpose on message delivery.
• Analyze passages to determine the intended audience and purpose.+ Show more

Learning Objectives

• Use commas to separate introductory elements, coordinate independent clauses correctly, and set off parenthetical information.
• Use semicolons to connect closely related independent clauses and avoid comma splices and run-ons.
• Use colons after complete introductory statements to signal explanations or details.

Learning Objectives

• Identify relevant evidence that directly supports a claim
• Evaluate the credibility of sources used as evidence
• Determine if evidence fits the purpose and scope of the argument+ Show more

Learning Objectives

• Analyze how audience needs influence message choices such as format, tone, vocabulary, and evidence.
• Apply rhetorical and media strategies to create a coherent, persuasive communication for a specific audience.
• Evaluate whether a media message fits its purpose and audience expectations using clear criteria.

Learning Objectives

• Define and describe the four main types of ecosystem services: provisioning, regulating, cultural, and supporting.
• Explain the role of biodiversity in maintaining ecosystem services such as pollination, water purification, and carbon sequestration.
• Assess how land-use change, pollution, and climate shifts impact ecosystem service capacity and distribution.+ Show more

Learning Objectives

• Describe how chemical bonds involve changes in potential and kinetic energy during reactions.
• Differentiate between endothermic and exothermic processes using energy diagrams.
• Explain the concept of enthalpy change and its significance in chemical reactions.+ Show more

Learning Objectives

• Explain how audience needs influence format, tone, length, and evidence
• Identify rhetorical choices that match a purpose and target audience
• Evaluate effective persuasive and informational media communication choices+ Show more

Learning Objectives

• Explain how matter cycles among reservoirs in Earth systems using geologic and biological processes.
• Describe how water moves through evaporation, condensation, and precipitation while linking the atmosphere, surface, and groundwater.
• Analyze how carbon and nutrients move through interactions among air, oceans, organisms, and rocks.+ Show more

Learning Objectives

• Explain how relevance and scope determine whether a source supports a specific claim.
• Evaluate credibility by considering evidence quality, expertise, and how information was gathered.
• Select evidence that fits the purpose and avoids redundancy while strengthening an argument with complementary sources.

Learning Objectives

• Understand the basic concepts of ionic, covalent, and metallic bonding.
• Identify different bond types and their characteristics.
• Describe how atomic electron configurations relate to bonding and material properties.+ Show more

Learning Objectives

• Explain Newton’s Third Law using the action–reaction model and identify force pairs acting on different objects.
• Predict the direction, magnitude relationship, and object involved for forces in common real-world interactions.
• Distinguish between forces on one body versus forces on two different bodies and explain why they do not cancel on a single object.+ Show more

Learning Objectives

• Explain how changing magnetic flux induces an electromotive force (voltage) in a conductor.
• Predict how changes in flux affect induced voltage direction and the idea of frequency in generation.
• Describe real-world applications such as generators, transformers, and step-up/step-down power systems.

Learning Objectives

• Explain ethical concerns related to genetic technologies, including privacy, consent, and potential harms
• Evaluate how policy and public dialogue can guide responsible use of genetic science
• Compare stakeholder responsibilities and ethical frameworks when benefits and risks affect different communities+ Show more

Learning Objectives

• Understand the basic principles of population genetics.
• Explain allele frequency and its significance.
• Describe Hardy-Weinberg equilibrium assumptions.+ Show more

Learning Objectives

• Explain how changing magnetic flux induces an emf in a conductor.
• Use Faraday’s law and Lenz’s law to predict induced voltage magnitude and direction.
• Describe how generators and transformers rely on electromagnetic induction in real power systems.

Learning Objectives

• Explain Mendelian inheritance and predictable patterns of allele segregation and assortment.
• Identify and describe non-Mendelian inheritance patterns such as incomplete dominance, codominance, and polygenic traits.
• Understand how environmental factors and gene linkage modify inheritance and trait expression.+ Show more

Learning Objectives

• Explain the particle model of matter using particle motion, spacing, and forces to describe solids, liquids, and gases.
• Relate temperature to particle kinetic energy and to diffusion rate and gas behavior.
• Use particle-level reasoning to explain macroscopic observables such as gas pressure and phase stability.

Learning Objectives

• Explain the mechanical and chemical breakdown processes of digestion.
• Describe how nutrients are absorbed across the intestinal epithelium and the role of villi and microvilli.
• Identify the function of enzymes, bile, and micelles in nutrient digestion and absorption.+ Show more

Learning Objectives

• Identify the purpose of an introduction, the organization of main points, and the role of a conclusion in a presentation.
• Use transitions and relevant examples to clarify relationships among ideas.
• Apply engaging delivery strategies such as emphasis, pace/volume control, and purposeful pauses.

Learning Objectives

• Understand how ecosystems change and flourish during spring.
• Identify the roles of flowering plants, animal migration, and pollination in ecosystems.
• Explore the cultural significance of spring celebrations related to renewal and growth.+ Show more

Learning Objectives

• Explain how carbon, nitrogen, and phosphorus cycle through ecosystems using reservoirs and fluxes.
• Describe the roles of microbial decomposition, fixation, mineralization, and sedimentation in nutrient cycling.
• Analyze how human actions such as fertilizer runoff can change cycling rates and affect primary productivity and soil carbon.

Learning Objectives

• Use specific quotations, data, and concrete details from an informational text to support a central idea.
• Explain how selected evidence clarifies meaning and connects to an author’s purpose.
• Distinguish between strong evidence and general impressions when writing or answering text-based questions.

Learning Objectives

• Explain how scientific arguments connect evidence to reasoning to support or weaken a claim.
• Identify relevant data patterns and infer what they imply about an explanation.
• Evaluate alternative interpretations when data are incomplete or uncertain.+ Show more

Learning Objectives

• Interpret evidence from atmospheric carbon dioxide records and global temperature trends to explain anthropogenic climate change.
• Describe how land-use change (deforestation, urbanization) can contribute to altered climate and ecosystem disruption.
• Analyze how changes in precipitation patterns and vegetation can affect the biosphere and hydrosphere.

Learning Objectives

• Identify how cohesive devices (reference words, repeated key terms, and logical connectors) help ideas connect within and across paragraphs.
• Revise sentences to reduce abrupt jumps by linking claims to supporting details using appropriate cohesion signals.
• Analyze how connectors signal addition, contrast, cause, and sequence to guide the reader’s understanding.

Learning Objectives

• Understand the purpose and importance of academic conversations in a collaborative setting.
• Identify key components of purposeful discussions, including building on ideas and respectful listening.
• Develop skills to participate effectively in group discussions by recognizing roles and responding appropriately.

Learning Objectives

• Understand the global and regional distribution of various natural resources.
• Analyze how resource availability influences economic, settlement, and environmental policies.
• Evaluate the impact of natural resource distribution on regional development and interdependence.+ Show more

Learning Objectives

• Identify the difference between a claim and the evidence that supports it.
• Evaluate whether evidence directly supports a claim or is loosely related.
• Explain how reasoning connects evidence to meaning in an argument.+ Show more

Learning Objectives

• Compare different energy and mineral resource options based on environmental and economic factors.
• Analyze the impacts of resource extraction methods on ecosystems and communities.
• Evaluate sustainable resource management practices and decision criteria for long-term planning.+ Show more

Learning Objectives

• Understand the structure and function of enzymes
• Learn how enzymes lower activation energy
• Identify factors affecting enzyme activity+ Show more

Learning Objectives

• Define what makes a thesis specific, arguable, and connected to the topic
• Write a thesis that can guide paragraph focus and topic sentences
• Revise thesis wording to improve clarity and coherence across a draft+ Show more

Learning Objectives

• Identify chemical formulas of common compounds.
• Understand the difference between covalent and ionic bonds.
• Learn the law of definite composition and how it applies to compounds.+ Show more

Learning Objectives

• Explain how allele frequencies can change due to selection, genetic drift, migration, and mutation
• Use Hardy-Weinberg equilibrium as a null model to detect when evolution is occurring
• Describe how effective population size (Ne) affects the strength of genetic drift+ Show more

Learning Objectives

• Explain how energy transitions shift from fossil fuels toward renewable electricity and why this matters for climate and national energy security.
• Compare fossil fuel extraction (including the oil sands) with renewable energy sources such as hydroelectric, wind, and tidal power.
• Analyze causes and consequences of energy transition, including greenhouse gas emissions, jobs, and community impacts.+ Show more

Learning Objectives

• Identify how narration and word choice reveal a speaker’s point of view
• Evaluate how selecting facts and claims changes meaning
• Analyze how perspective (first-person vs. third-person) affects tone, power, and sympathy+ Show more

Learning Objectives

• Predict likely products of common chemical reactions using reactant identities and typical reaction patterns.
• Apply conservation of atoms to check whether proposed products are consistent with balanced chemical change.
• Explain how oxidation and neutralization outcomes can be anticipated for environmental assessment.