Grade 9 Worksheets

Learning Objectives

• Understand how to interpret displacement–time graphs
• Identify key features such as slope and interpret their physical meaning
• Recognize curved segments as indications of changing acceleration+ Show more

Learning Objectives

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

Learning Objectives

• Distinguish pure substances from mixtures using fixed composition and macroscopic appearance.
• Classify examples as elements, compounds, homogeneous mixtures, or heterogeneous mixtures.
• Use chemical symbols and formulas to represent elements and compounds accurately.+ Show more

Learning Objectives

• Understand how to interpret scatterplots and identify patterns
• Recognize outliers and trends in graphical data
• Learn the basics of constructing different types of graphs+ Show more

Learning Objectives

• Distinguish systematic error from random error and identify how each affects measurements.
• Recognize common sources of error, including instrument bias, sampling limitations, confounding, and model mis-specification.
• Use evidence such as residual patterns, cross-method comparisons, and sensitivity analyses to detect bias.+ 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 mechanisms of plate tectonics, including the types of boundaries and their surface expressions.
• Identify the processes of subduction, continental collision, and how they relate to geological features.
• Explain how mantle convection and slab pull drive plate movements.+ Show more

Learning Objectives

• Identify the key parts involved in thermoregulation
• Understand how body systems work together to maintain temperature
• Explain the functions of skin, vasculature, muscles, and the hypothalamus+ Show more

Learning Objectives

• Explain how scientists and engineers evaluate the benefits, risks, and tradeoffs of technologies over time.
• Identify environmental, health, and resource impacts, including unintended consequences.
• Use criteria such as reliability, emissions, land impact, and risk mitigation to compare solutions.

Learning Objectives

• Explain how wave speed, frequency, and wavelength are related for waves traveling in the same medium.
• Use the relationship v = fλ to predict how changes in frequency affect wavelength (and vice versa).
• Interpret wave descriptions in terms of timing (frequency) and spacing (wavelength).

Learning Objectives

• Explain how Flag Day celebrations promote unity, patriotism, and national pride
• Identify ways communities honor national symbols through ceremonies and educational activities
• Connect civic values to personal actions and social-emotional growth

Learning Objectives

• Explain how passive diffusion, facilitated transport, and active transport move substances across cell membranes using concentration and energy gradients.
• Use quantitative reasoning (concentration differences and relative permeability) to predict net movement and cellular homeostasis outcomes.
• Describe how membrane composition and transport proteins help maintain osmotic balance and electrochemical gradients in different cellular compartments.+ Show more

Learning Objectives

• Understand the key environmental science principles related to ecosystems, biodiversity, and human impact.
• Analyze case studies on pollution, deforestation, and climate change to evaluate their effects.
• Discuss how scientific knowledge informs policies and community actions for environmental preservation.+ Show more

Learning Objectives

• Explain how impulse relates to changes in force and collision time in collision safety design.
• Interpret a force-time idea to describe how longer stopping time can reduce peak force and acceleration.
• Describe how energy dissipation and staged deformation help protect people in high-impact events.+ Show more

Learning Objectives

• Recognize the importance of source attribution in writing
• Identify different techniques of source integration: summary, paraphrase, and quotation
• Understand how to frame evidence with introductory context+ Show more

Learning Objectives

• Explain how protons, neutrons, and electrons form an atom and how they affect atomic identity and behavior.
• Compare isotopes and relate differences in neutron count to changes in atomic mass and stability.
• Use subatomic structure to predict how an atom’s electron arrangement connects to chemical bonding.

Learning Objectives

• Identify correct verb tense usage in sentences
• Understand the difference between past and present tense
• Apply tense consistency to clarify writing+ Show more

Learning Objectives

• Identify similes and metaphors in literary texts
• Interpret the meaning of figurative expressions
• Analyze how figurative language enhances themes and mood in literature

Learning Objectives

• Identify the structural components of neurons and their basic functions.
• Describe how electrical signals propagate along neurons via action potentials.
• Explain synaptic transmission and its role in neural communication.+ Show more

Learning Objectives

• Explain how simple machines transfer forces to change effort, direction, or displacement
• Compare ideal mechanical advantage with real-world outcomes caused by friction and support geometry
• Apply relationships among input force, load, and displacement to common machine examples

Learning Objectives

• Understand the hierarchical levels of biological organization from cells to systems.
• Describe the functions of different tissues, organs, and systems.
• Explain how cell specialization contributes to organ functions.+ Show more

Learning Objectives

• Identify the basic components of DNA and RNA
• Understand the structural differences between DNA and RNA
• Explain how nucleic acid structures relate to their functions in heredity and cellular processes

Learning Objectives

• Explain how hydrophilic and hydrophobic parts of phospholipids form a bilayer
• Describe how membrane structure supports selective permeability
• Identify how the bilayer acts as a barrier to some substances and allows others to pass

Learning Objectives

• Explain how the nephron forms urine through glomerular filtration, selective reabsorption, secretion, and urine concentration
• Describe how hydrostatic and oncotic pressures influence the glomerular filtration rate
• Use countercurrent multiplication and ADH to predict how urine concentration changes+ Show more

Learning Objectives

• Explain how alleles form genotypes and how genotypes determine observable traits (phenotypes).
• Use dominant and recessive relationships to predict which traits appear in offspring.
• Interpret heredity evidence across generations using genotype–phenotype reasoning.

Learning Objectives

• Identify series and parallel components within a mixed (combined) circuit
• Calculate equivalent resistance and use it to find total current and voltage relationships
• Trace how current and voltage distribute across parallel branches in combined circuits+ Show more

Learning Objectives

• Understand the structure of the plasma membrane.
• Explain how molecules move across the membrane through passive and active transport.
• Identify different proteins involved in membrane transport and their functions.

Learning Objectives

• Identify different types of epithelial tissues
• Understand the functions of epithelial tissues in the body
• Recognize example structures of epithelial tissue in organs+ Show more

Learning Objectives

• Revise drafts by improving word choice, reducing repetition, and strengthening clarity
• Identify and correct common editing issues such as unclear references, inconsistent tense, run-ons, and fragments
• Improve sentence variety and readability through purposeful restructuring+ Show more

Learning Objectives

• Explain how tone and authorial stance affect a text’s theme and purpose
• Identify stance by analyzing diction, imagery, and sentence attitude
• Connect shifts in tone to changes in conflict, evidence, or emphasis

Learning Objectives

• Draw a correct free body diagram by identifying all external forces acting on a single object
• Resolve forces into components and determine the net force and direction of acceleration
• Use Newton’s second law (net force = mass × acceleration) to predict motion qualitatively and quantitatively

Learning Objectives

• Understand what coefficients in balanced chemical equations represent
• Interpret ratios of coefficients to determine relative amounts of reactants and products
• Relate symbolic coefficients to real-world mass relationships in chemical reactions+ Show more

Learning Objectives

• Identify how audience needs influence media choices such as format, tone, length, and vocabulary
• Evaluate the credibility of evidence used in persuasive and informational media messages
• Create a coherent media message by aligning purpose, tone, visuals, and supporting details

Learning Objectives

• Define physical properties and understand their importance
• Identify common physical properties such as density, melting point, boiling point, colour, hardness, and conductivity
• Differentiate between intensive and extensive properties+ Show more

Learning Objectives

• Explain how cross-text synthesis builds one unified claim using evidence from multiple selections
• Compare how differing structures, purposes, or tones across texts affect what feels convincing
• Write an evidence-based synthesis that maintains coherence while honoring important differences

Learning Objectives

• Recognize the importance of citing sources correctly.
• Match in-text references with a complete list of sources.
• Identify proper quotation and paraphrasing acknowledgment.+ Show more

Learning Objectives

• Understand how sunlight interacts with Earth's surface
• Identify the different ways energy is transferred within Earth systems
• Explain the importance of energy balance in maintaining Earth's temperature+ Show more

Learning Objectives

• Explain how nuclear fusion in stars can create new elements over a star’s lifetime.
• Describe how explosive events in space spread matter that later forms new stars, planets, and atmospheres.
• Connect stellar life cycles to the elements found on Earth and the timing of chemical enrichment in the universe.

Learning Objectives

• Evaluate function notation such as f(x) by substituting an input value and simplifying to find the output.
• Interpret statements like f(a) = b to describe what output b corresponds to for the input a in context.
• Connect the input (the value inside f( )) and the output (the value of f( )) correctly when reading and writing function values.

Learning Objectives

• Explain what uncertainty shows on graphs and why it matters for interpreting trends
• Use overlap (or non-overlap) of uncertainty ranges to judge whether differences are likely meaningful
• Select appropriate ways to represent uncertainty, such as error bars or uncertainty bands

Learning Objectives

• Explain how predation, competition, and mutualism affect population sizes and community structure.
• Connect environmental factors (water, temperature, nutrients) to survival and growth in ecosystems.
• Interpret interaction networks to predict how changes in one population can cascade through others.+ Show more

Learning Objectives

• Explain the steps of a design cycle and how feedback leads to design improvement.
• Identify requirements and constraints in an engineering problem and connect them to evaluation criteria.
• Use evidence from testing to refine a solution and justify changes in a design.

Learning Objectives

• Explain how DNA, RNA, and protein sequence comparisons can reveal evolutionary relationships.
• Describe how molecular clocks use sequence divergence rates to estimate divergence times.
• Evaluate how comparative genomics and gene duplication patterns complement fossil and morphological evidence.

Learning Objectives

• Understand how the body maintains internal temperature through various mechanisms
• Identify functions of skin blood flow, sweating, shivering, and metabolic adjustments
• Describe the role of the hypothalamus in thermoregulation+ Show more

Learning Objectives

• Understand the definition of power as the rate of energy transfer or work per unit time.
• Learn how to measure average and instantaneous power in mechanical contexts.
• Understand what mechanical efficiency is and how it reflects useful energy output relative to input.+ Show more

Learning Objectives

• Analyze how conflicting motivations shape a character’s choices and reveal underlying purpose
• Identify how dialogue details, emotional reactions, and shifts in tone signal changes in motivation
• Support claims with textual evidence from a passage

Learning Objectives

• Write a focused thesis statement that takes a debatable position on an issue.
• Identify how an introduction frames a problem and how evidence supports a claim.
• Explain how organization and reasoning connect reasons to the thesis and lead to a conclusion.

Learning Objectives

• Explain how magnification, resolution, and contrast affect how microscope images appear.
• Compare how light microscopes and electron microscopes form magnified images.
• Interpret microscope images by using scale bars and recognizing how specimen preparation affects results.