Grade 9 Worksheets

8,915 grade resources
Grade 9 Science | Redox Concepts Worksheet with Answer Key (Printable PDF)

Grade 9 Science | Redox Concepts Worksheet with Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the fundamental principles of redox reactions and electron transfer.
  • Identify oxidation and reduction processes and their changes in oxidation states.
  • Learn to track oxidation states to determine oxidizing and reducing agents.
$2.00
Grade 9 Science | Stoichiometry Basics Worksheet & Answer Key (Printable PDF)

Grade 9 Science | Stoichiometry Basics Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand how mole relationships connect masses of reactants and products in chemical equations.
  • Learn the significance of molar mass in converting between grams and moles.
$2.00
Grade 9 Science | Energy Conversion Worksheet (PDF + Answer Key) – NGSS Aligned

Grade 9 Science | Energy Conversion Worksheet (PDF + Answer Key) – NGSS Aligned

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand the principles of energy conversion and the types of devices involved.
  • Identify the sources, processes, and efficiencies of different energy transfer methods.
  • Analyze energy losses and the importance of energy bookkeeping in practical applications.
$2.00
Grade 9 Science — Nucleic Acid Structure Worksheet for Mastering DNA & RNA

Grade 9 Science — Nucleic Acid Structure Worksheet for Mastering DNA & RNA

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Describe the chemical structures of DNA and RNA and their nucleotide components.
  • Explain the significance of double helix and antiparallel strands in DNA.
  • Identify the differences between DNA and RNA and their functional roles.
$2.00
Grade 9 Science | Particle Theory Worksheet (Answer Key) – Ontario Standard

Grade 9 Science | Particle Theory Worksheet (Answer Key) – Ontario Standard

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Explain the particle model as a framework for understanding states of matter, diffusion, and temperature effects.
  • Relate microscopic particle motion to observable macroscopic phenomena such as gas pressure and diffusion rate.
  • Describe how particle arrangement and interactions determine phase stability and response to energy changes.
$2.00
Grade 9 Science | Physical Changes Worksheet (PDF) – Ontario Curriculum

Grade 9 Science | Physical Changes Worksheet (PDF) – Ontario Curriculum

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Define and distinguish between physical and chemical changes.
  • Identify examples of physical changes such as melting, freezing, evaporation, condensation, and dissolving.
  • Explain how energy transfer relates to phase changes.
$2.00
Grade 9 Science Worksheet | Understanding Physical Properties (Worksheet + Answer Key) – Ontario Standard

Grade 9 Science Worksheet | Understanding Physical Properties (Worksheet + Answer Key) – Ontario Standard

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Define physical properties and understand their significance in classifying matter.
  • Identify and describe examples of physical properties such as density, melting point, boiling point, colour, hardness, and conductivity.
  • Distinguish between intensive and extensive properties and explain their roles in material assessment.
$2.00
Signal Integration Grade 9 Science Worksheet | BC Standards Practice

Signal Integration Grade 9 Science Worksheet | BC Standards Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe how neural and hormonal signals work together to maintain homeostasis.
  • Explain the roles of nerve impulses and hormones in response to stimuli.
  • Identify interactions between the nervous and endocrine systems and their effects.
$2.00
Temperature Control Worksheet for Grade 9 Science | Standard BC

Temperature Control Worksheet for Grade 9 Science | Standard BC

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain the process of thermoregulation and its importance in maintaining internal stability.
  • Identify the organs and systems involved in regulating body temperature.
  • Describe how hypothalamic centers detect temperature changes and initiate responses.
$2.00
Circular Motion Worksheet for Grade 9 Science – Standard BC

Circular Motion Worksheet for Grade 9 Science – Standard BC

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain the concept of centripetal force and its role in circular motion.
  • Identify the factors affecting the acceleration in circular motion.
  • Describe the forces that act to maintain curved trajectories such as tension, friction, and normal force.
$2.00
Free Body Diagrams Worksheet - Grade 9 Science Practice and Assessment

Free Body Diagrams Worksheet - Grade 9 Science Practice and Assessment

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the purpose of free body diagrams in physics.
  • Identify all external forces acting on a single object.
  • Sketch accurate vectors for different forces including gravity, normal, friction, tension, and applied forces.
$2.00
Impulse and Collision Worksheet for Grade 9 Science | BC Standards

Impulse and Collision Worksheet for Grade 9 Science | BC Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain how force over time affects an object's momentum during collisions.
  • Distinguish between elastic and inelastic collisions based on energy conservation.
  • Analyze how impulse relates to force, contact duration, and change in velocity.
$2.00
Mass and Acceleration Grade 9 Science Worksheet | BC Standards

Mass and Acceleration Grade 9 Science Worksheet | BC Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the relationship between mass and acceleration when a net force is applied.
  • Distinguish between inertial mass and gravitational effects.
  • Apply the force–acceleration law to predict how changing mass influences acceleration.
$2.00
Net Force Concept Worksheet | Science | Grade 9 BC Standard

Net Force Concept Worksheet | Science | Grade 9 BC Standard

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the definition of net force and how it affects motion.
  • Learn to resolve forces into components and calculate net force.
  • Apply the concept of net force to predict acceleration and equilibrium.
$2.00
Systems Interactions Worksheet Grade 9 Science BC Standards PDF

Systems Interactions Worksheet Grade 9 Science BC Standards PDF

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain how multiple bodies and forces interact within complex mechanical systems.
  • Apply Newton’s laws to analyze motion of interconnected components.
  • Assess energy transfer, losses, and force interactions during system events.
$2.00
Grade 9 Science | Excretory Regulation Worksheet (Answer Key) - Ontario Standards

Grade 9 Science | Excretory Regulation Worksheet (Answer Key) - Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Describe the structure and function of the nephron in blood filtration and urine formation.
  • Explain the processes of glomerular filtration, reabsorption, secretion, and urine concentration mechanisms.
  • Relate renal regulation of electrolytes, acid–base balance, and blood pressure to overall homeostasis.
$2.00
Grade 9 Science | Tidal Forces Worksheet with Answer Key (PDF)

Grade 9 Science | Tidal Forces Worksheet with Answer Key (PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain the gravitational interactions that cause tidal forces among the Moon, Sun, and Earth.
  • Identify the conditions that lead to spring and neap tides.
  • Describe how local geographic features can influence tidal amplitudes.
$2.00
Grade 9 Science | Levels Of Organization Worksheet (PDF) Aligned with Ontario Standards

Grade 9 Science | Levels Of Organization Worksheet (PDF) Aligned with Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Explain the hierarchical relationship among cells, tissues, organs, and systems.
  • Describe how cell specialization and extracellular matrices contribute to organ functions.
  • Analyze how tissue arrangement supports organ-level processes.
$2.00
Grade 9 Science | Neural Control Worksheet (PDF) — Ontario Standard Practice

Grade 9 Science | Neural Control Worksheet (PDF) — Ontario Standard Practice

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand the organization of the nervous system from neurons to neural circuits and central integration.
  • Explain how action potentials and synaptic transmission propagate signals along neurons.
  • Relate cellular features like myelination and synaptic architecture to conduction velocity and processing capacity.
$2.00
Grade 9 Science | Tissue Types Worksheet (PDF) Aligned with Ontario Standards

Grade 9 Science | Tissue Types Worksheet (PDF) Aligned with Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Describe the principal tissue classes: epithelial, connective, muscle, and nervous.
  • Explain the cellular composition and extracellular matrix properties of each tissue type.
  • Identify specialized epithelia for absorption and secretion and relate tissue architecture to organ functions.
$2.00
Grade 9 Science | Compound Machines Worksheet (Ontario Standard) – PDF

Grade 9 Science | Compound Machines Worksheet (Ontario Standard) – PDF

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand how to compute the overall mechanical advantage of compound machines using force and displacement relationships.
  • Differentiate between ideal and actual mechanical advantage, considering frictional losses and deformation.
  • Analyze and design multi-component systems such as gear trains, bicycle drive systems, and pulley assemblies for optimized force reduction or speed increase.
$2.00
Grade 9 Science - Limiting Reactants Worksheet & Answer Key (Printable PDF)

Grade 9 Science - Limiting Reactants Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the concept of limiting reactants and their role in chemical reactions.
  • Calculate the theoretical yield based on balanced equations and initial quantities.
  • Differentiate between theoretical yield, actual yield, and percent yield.
$2.00
9th Grade Science | Intermolecular Forces Worksheet & Answer Key (Printable PDF)

9th Grade Science | Intermolecular Forces Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe different types of intermolecular forces and their effects on physical properties.
  • Explain how molecular structure influences intermolecular interactions.
  • Compare London dispersion forces, dipole–dipole, and hydrogen bonding in terms of strength.
$2.00
Grade 9 Science | Energy Profiles Worksheet & Answer Key (Printable PDF)

Grade 9 Science | Energy Profiles Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the concept of energy profiles and their representation of chemical reactions.
  • Differentiate between endothermic and exothermic reactions based on energy changes.
  • Identify the significance of activation energy and transition states in reactions.
$2.00
9th Grade Science | Crystal Lattices Worksheet & Answer Key (Printable PDF)

9th Grade Science | Crystal Lattices Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the three-dimensional arrangements of atoms and ions in different crystal lattices.
  • Identify various lattice types such as ionic, metallic, and covalent networks and their properties.
  • Explain how unit cells define the smallest repeating pattern in crystals.
$2.00
Grade 9 Science | System Hierarchy Worksheet + Answer Key for Classroom Use

Grade 9 Science | System Hierarchy Worksheet + Answer Key for Classroom Use

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the organization of biological systems from cells to organism-level.
  • Describe how tissues, organs, and systems interact to maintain organism functions.
  • Identify canonical examples of system interactions such as circulatory-respiratory coupling and nervous-endocrine integration.
$2.00
9th Grade Science | Center Stability Worksheet & Answer Key (Printable PDF)

9th Grade Science | Center Stability Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the concept of center of mass and how it affects stability of rigid bodies.
  • Calculate the center of mass for composite systems under external forces.
  • Analyze moments and torque to determine equilibrium and tipping thresholds.
$2.00
9th Grade Science | Energy Conversion Worksheet & Answer Key (Printable PDF)

9th Grade Science | Energy Conversion Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain the process of various energy conversions in devices like photovoltaic cells, thermoelectric modules, and electrochemical cells.
  • Analyze energy losses and the concept of energy bookkeeping during energy transfer.
  • Evaluate device performance based on efficiency and energy conservation principles.
$2.00
9th Grade Science | Energy Conservation Worksheet & Answer Key PDF

9th Grade Science | Energy Conservation Worksheet & Answer Key PDF

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the concept of energy conservation within closed and open systems.
  • Identify system boundaries and how energy bookkeeping applies to real-world examples.
  • Analyze energy flow diagrams and model calculations for various processes.
$2.00
Grade 9 Science | Wave Properties Worksheet & Answer Key (Printable PDF)

Grade 9 Science | Wave Properties Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain the mathematical representations of wave behavior, including amplitude, frequency, wavelength, and phase.
  • Relate wave speed to frequency and wavelength using the formula v = f × λ for different types of waves.
  • Describe superposition, interference, and standing waves via sinusoidal functions and scenarios involving boundary conditions and reflection.
$2.00
Grade 9 Science | Signal Encoding Worksheet & Answer Key (Printable PDF)

Grade 9 Science | Signal Encoding Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain how source signals are mapped onto carrier waves using amplitude, frequency, and phase modulation.
  • Compare different encoding schemes such as pulse-code modulation and amplitude modulation in terms of bandwidth, fidelity, and noise susceptibility.
  • Identify practical examples of encoding like fiber-optic pulse trains and radio modulation formats.
$2.00
Grade 9 Science Worksheet | Electromagnetic Radiation Practice PDF & Answer Key

Grade 9 Science Worksheet | Electromagnetic Radiation Practice PDF & Answer Key

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe the spectrum of electromagnetic radiation and its properties.
  • Explain the relationship between photon energy, frequency, and wavelength.
  • Identify phenomena related to electromagnetic waves, including atomic emission and absorption lines.
$2.00
9th Grade Science | Land Sustainability Worksheet + Answer Key (Printable PDF)

9th Grade Science | Land Sustainability Worksheet + Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the interactions between land use and water resources, including soil conservation and irrigation practices.
  • Identify indicators of ecosystem resilience and nutrient cycling under different land management scenarios.
  • Analyze trade-offs among agricultural productivity, biodiversity, and watershed health.
$2.00
Grade 9 Science | Hazard Assessment Worksheet & Answer Key (Printable PDF)

Grade 9 Science | Hazard Assessment Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the methods used to evaluate hazard risks of natural events.
  • Analyze how occurrence, frequency, and consequences are assessed using historical and probabilistic data.
  • Identify key factors influencing community and infrastructure vulnerability to hazards.
$2.00
9th Grade Science Worksheet | Collision Safety Engineering Practice & Answer Key

9th Grade Science Worksheet | Collision Safety Engineering Practice & Answer Key

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the concepts of impulse, force-time relationship, and energy dissipation in collisions.
  • Identify safety features such as crumple zones, airbags, helmets, and padding that reduce impact forces.
  • Analyze force-time graphs to evaluate mitigation strategies during high-impact events.
$2.00
Renal Regulation Worksheet for Grade 9 Science | TEKS Aligned

Renal Regulation Worksheet for Grade 9 Science | TEKS Aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand how nephron architecture and hormonal mechanisms regulate fluid and electrolyte balance.
  • Describe the processes of glomerular filtration, tubular reabsorption, and secretion.
  • Explain how hormones like antidiuretic hormone and the renin–angiotensin–aldosterone system control blood pressure and volume.
$2.00
9th Grade Science Worksheet | Stellar Evolution Practice & Answer Key PDF

9th Grade Science Worksheet | Stellar Evolution Practice & Answer Key PDF

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe the major stages in the evolution of stars from formation to remnant.
  • Explain the significance of the Hertzsprung-Russell diagram in stellar classification.
  • Identify factors that influence the different evolutionary pathways of stars.
$2.00
Grade 9 Science | Planetary Origins Worksheet & Answer Key PDF

Grade 9 Science | Planetary Origins Worksheet & Answer Key PDF

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe the formation processes of the solar system including accretion and differentiation.
  • Identify key evidence supporting planetary origin theories such as meteorite composition and isotopic dating.
  • Explain the differences between inner rocky planets and outer gas giants based on their formation and composition.
$2.00
Grade 9 Science | Newtonian Motion Worksheet & Answer Key (Printable PDF)

Grade 9 Science | Newtonian Motion Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand Newton's laws of motion and their relationships among force, mass, and acceleration.
  • Analyze free-body diagrams and decompositions of forces acting on objects.
  • Apply Newtonian principles to real-world examples such as vehicle acceleration and projectile motion.
$2.00
Grade 9 Science | Prototyping Methods Worksheet & Answer Key (Printable PDF)

Grade 9 Science | Prototyping Methods Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand different prototyping methods and their appropriate applications.
  • Identify materials and testing protocols used in various prototyping approaches.
  • Compare incremental modeling techniques such as sketches, CAD mockups, and physical models.
$2.00
Grade 9 Science | Framing Constraints Worksheet & Answer Key (Printable PDF)

Grade 9 Science | Framing Constraints Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the key components involved in problem framing for engineering projects.
  • Identify constraints related to social, economic, environmental, and regulatory factors.
  • Analyze interactions among competing constraints to support decision-making.
$2.00
9th Grade Science | Earth's Interior Worksheet & Answer Key (Printable PDF)

9th Grade Science | Earth's Interior Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand Earth's layered internal structure based on seismic, gravity, and heat-flow evidence.
  • Interpret the behavior of P-waves and S-waves in revealing Earth's composition.
  • Explain how density contrasts and temperature gradients influence mantle convection and planetary evolution.
$2.00
Grade 9 Science Worksheet | Comparative Evaluation with Answer Key (PDF)

Grade 9 Science Worksheet | Comparative Evaluation with Answer Key (PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the principles of quantitative and qualitative assessment in design evaluation.
  • Apply decision-making frameworks to compare alternative systems based on performance, costs, and impacts.
  • Analyze trade-offs among efficiency, durability, cost, and safety in engineering designs.
$2.00
Grade 9 Science Worksheet | Rock Transformations NGSS Practice PDF & Answer Key

Grade 9 Science Worksheet | Rock Transformations NGSS Practice PDF & Answer Key

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe the processes involved in the rock cycle, including melting, crystallization, erosion, and metamorphism.
  • Identify examples of rock formation under different conditions and understand the role of pressure, temperature, and time.
  • Explain how geological processes like radiometric dating help determine the age and sequence of rocks.
$2.00
Grade 9 Science | Newton's First Law Worksheet (Answer Key) – Ontario Standard Practice

Grade 9 Science | Newton's First Law Worksheet (Answer Key) – Ontario Standard Practice

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand Newton's first law as a statement about inertia and the relationship between net external force and motion.
  • Distinguish between objects at rest and objects moving at constant velocity in the context of forces.
  • Describe how balanced forces contribute to static and dynamic equilibrium.
$2.00
Grade 9 Science — Human Impacts on Ecosystems Worksheet for Mastery

Grade 9 Science — Human Impacts on Ecosystems Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Understand how human activities such as land use change, pollution, and resource extraction impact biodiversity and ecosystem services.
  • Identify the effects of habitat fragmentation and invasive species on community interactions.
  • Describe how changes in species diversity influence ecosystem functions like pollination and water purification.
$2.00
Grade 9 Science | Kinematic Equations Worksheet (PDF) | Ontario Standards

Grade 9 Science | Kinematic Equations Worksheet (PDF) | Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand and explain the fundamental kinematic equations for constant acceleration.
  • Apply the equations to problems involving free-fall and projectile motion.
  • Analyze motion components in horizontal and vertical directions under gravity.
$2.00
Grade 9 Science | Newton Third Law Worksheet (Worksheet + Answer Key) – Ontario Standards

Grade 9 Science | Newton Third Law Worksheet (Worksheet + Answer Key) – Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Explain the principle of Newton's third law and identify action–reaction force pairs in various scenarios.
  • Analyze common phenomena involving equal and opposite forces applied to different objects.
  • Differentiate between internal and external forces when applying Newtonian mechanics to systems.
$2.00

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About Grade 9 Worksheets

Browse 8,915 printable Grade 9 worksheets across algebra, biology, literature, and history — each a ready-to-print PDF with optional answer keys.

Every worksheet on MyTeachingSheets is created by independent teacher-authors and reviewed before publication. All resources download as printable PDFs for classroom, homework, or at-home practice, and many include answer keys. Preview any worksheet free before buying.