Grade 9 Worksheets

Learning Objectives

• Explain how dissolution occurs through solute–solvent interactions and relate solvation to solution formation
• Describe how temperature and agitation qualitatively affect solubility and the rate of dissolving
• Differentiate saturated, unsaturated, and supersaturated solutions using everyday examples+ Show more

Learning Objectives

• Explain how bond breaking and bond forming relate to changes in potential energy during chemical reactions
• Distinguish endothermic and exothermic reactions using energy diagrams and temperature change
• Use enthalpy change (ΔH) to describe whether a reaction releases or absorbs energy

Learning Objectives

• Understand and identify standard symbols used in circuit diagrams
• Interpret schematic representations of electrical circuits
• Connect circuit symbols to physical components+ Show more

Learning Objectives

• Explain how predation, competition, and mutualism connect species in an ecosystem network
• Analyze how environmental factors (water, temperature, nutrients) influence survival, growth, and population sizes
• Describe how changes in one species or resource can cascade through interaction networks and affect stability

Learning Objectives

• Explain Newton’s First Law using the idea of inertia and the relationship between net external force and changes in motion
• Distinguish between rest and constant velocity as cases where the net external force is zero
• Use examples involving friction and balanced forces to predict whether an object’s motion will change

Learning Objectives

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

Learning Objectives

• Explain how transit-oriented development, electrification, cycling networks, and demand management reduce congestion and emissions
• Analyze how land-use patterns and funding priorities create different mobility outcomes and equity effects
• Evaluate how technology and policy changes can improve access and shift commuter behavior over time

Learning Objectives

• Understand how temperature, pressure, concentration, and catalysts influence chemical reactions.
• Apply principles of equilibrium and kinetics to optimize reaction conditions.
• Evaluate the effects of selectivity, yield, and side reactions on chemical processes.+ Show more

Learning Objectives

• Understand the principle of conservation of mass in chemical reactions
• Identify examples of mass conservation in sealed systems
• Differentiate between apparent mass changes and true mass conservation

Learning Objectives

• Explain how Islamic civilizations in the Caliphates supported intellectual networks in science, mathematics, and philosophy
• Describe how trade connections across Africa, Asia, and Europe increased cultural exchange and syncretism
• Analyze ways Islamic governance models influenced social and political institutions by c.1750

Learning Objectives

• Explain how balanced chemical equations reflect the conservation of atoms and mass
• Use coefficients and subscripts to represent reactants and products in symbolic form
• Determine missing coefficients by counting atoms on both sides of a chemical equation+ Show more

Learning Objectives

• Identify a recurring central message (theme) in a text and track how it develops over time
• Explain how plot events and conflicts change the theme from beginning to end
• Use character choices to connect values and actions to theme

Learning Objectives

• Explain how bees contribute to biodiversity through pollination and ecosystem relationships.
• Analyze how declining bee populations can affect both ecosystems and agricultural productivity.
• Evaluate human impacts on pollinators and propose realistic conservation actions to support biodiversity resilience.

Learning Objectives

• Explain how trans-Saharan trade supported the growth and wealth of West African kingdoms like Ghana, Mali, and Songhai.
• Describe why cities such as Timbuktu became centers of Islamic learning and culture.
• Compare political systems and social hierarchies in these kingdoms and connect them to trade and religion.

Learning Objectives

• Develop skills to critically analyze sources such as treaties, photographs, and government records.
• Evaluate the credibility, perspective, and relevance of historical evidence.
• Recognize bias and understand how evidence shapes historical narratives.+ Show more

Learning Objectives

• Explain key historical roots of Memorial Day, including Civil War remembrance practices.
• Analyze how civic rituals and public ceremonies shape collective memory.
• Use evidence from historical context to describe why honoring fallen soldiers became a national tradition.

Learning Objectives

• Identify how headings, captions, charts, graphs, maps, pull quotes, and diagrams add structure and meaning to a text.
• Analyze how a text feature clarifies, contrasts, or strengthens the main claim compared with surrounding paragraphs.
• Explain what information text features suggest is most important.

Learning Objectives

• Understand different ways scientists convey uncertainty in their findings
• Recognize the importance of transparency regarding assumptions and limitations
• Identify various visual and qualitative methods for expressing variability+ Show more

Learning Objectives

• Explain how energy is transferred among organisms in an ecosystem.
• Describe the concept of energy transfer efficiency between trophic levels.
• Interpret evidence like biomass trends and nutrient concentrations to understand resource availability.+ Show more

Learning Objectives

• Explain how carbon moves among the atmosphere, biosphere, oceans, and geosphere through key fluxes.
• Describe major processes that exchange carbon (photosynthesis, respiration, dissolution, sedimentation, and fossil fuel formation).
• Interpret the idea of carbon residence time and why it matters for understanding budgets.+ Show more

Learning Objectives

• Understand the main types of tissues: epithelial, connective, muscle, and nervous.
• Identify the cellular composition and extracellular matrix properties of each tissue type.
• Describe the specialized functions of epithelial tissues involved in absorption and secretion.+ Show more

Learning Objectives

• Explain how evidence-based responses connect claims to relevant textual support.
• Distinguish factual information from interpretive conclusions (inferences).
• Use quotations or paraphrases and explain their significance to build a line of reasoning.+ Show more

Learning Objectives

• Explain how membranes regulate transport of nutrients and wastes to maintain internal balance in cells.
• Describe how cellular energy use powers chemical reactions needed for growth and repair.
• Use evidence such as uptake rates and growth patterns to connect cell structure and function.

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

• 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

• 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

• 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

• 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 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

• 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 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

• 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

• 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