Grade 9 Worksheets

8,915 grade resources
Glucose Balance Worksheet for Grade 9 Science | BC Standards

Glucose Balance Worksheet for Grade 9 Science | BC Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the hormonal regulation of blood glucose levels.
  • Identify roles of insulin and glucagon in metabolism.
  • Explain feedback mechanisms involved in glucose homeostasis.
$2.00
Fluid Balance Worksheet for Grade 9 Science BC Standards

Fluid Balance Worksheet for Grade 9 Science BC Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe the process of kidney osmoregulation and how it maintains water and ion balance.
  • Identify the roles of different nephron segments in filtration, reabsorption, secretion, and concentration.
  • Explain how hormones such as antidiuretic hormone and aldosterone influence renal water and ion regulation.
$2.00
9th Grade Science Worksheet | Reaction Stoichiometry Practice & Answer Key (PDF)

9th Grade Science Worksheet | Reaction Stoichiometry Practice & Answer Key (PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the concept of molar ratios in balanced chemical equations.
  • Calculate the number of moles, mass, and particle counts in reactions.
  • Analyze limiting reagents and determine theoretical yields.
$2.00
9th Grade Science | Cell Architecture Worksheet & Answer Key (Printable PDF)

9th Grade Science | Cell Architecture Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand how nucleic acid sequences determine amino acid chains and three-dimensional protein structures.
  • Connect molecular coding and folding to organelle architecture such as ribosomes, endoplasmic reticulum, and mitochondria.
  • Explore how macromolecular structures relate to cellular functions such as protein synthesis and transport.
$2.00
9th Grade Science Worksheet | Feedback Mechanisms & Homeostasis + Printable PDF

9th Grade Science Worksheet | Feedback Mechanisms & Homeostasis + Printable PDF

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the difference between negative and positive feedback in physiological regulation.
  • Identify examples of feedback mechanisms involved in thermoregulation, blood glucose, and osmoregulation.
  • Explain the terms set point, sensor-effector loop, and temporal dynamics of feedback responses.
$2.00
9th Grade Science | Molecular Regulation Worksheet & Answer Key (Printable PDF)

9th Grade Science | Molecular Regulation Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the mechanisms of gene expression regulation and signal transduction pathways.
  • Identify canonical molecular pathways such as receptor-ligand binding and hormonal signaling.
  • Explain how molecular regulation influences cellular functions and physiological outcomes.
$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 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
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
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 | 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 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 | 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
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 | 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
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 | 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 | 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 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
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 | 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 | Molecular Geometry Worksheet & Answer Key (Printable PDF)

Grade 9 Science | Molecular Geometry Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the basic principles of VSEPR theory to predict molecular shapes.
  • Identify common molecular geometries such as linear, trigonal planar, tetrahedral, and bent.
  • Explain how molecular shape influences properties like polarity and reactivity.
$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 | 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 Worksheet | Tectonic Plates & Plate Movements (PDF + Answer Key)

Grade 9 Science Worksheet | Tectonic Plates & Plate Movements (PDF + Answer Key)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the concept of tectonic plates and their role in Earth's geology.
  • Identify the types of plate boundaries and the landforms and phenomena associated with them.
  • Explain mantle convection, slab pull, and ridge push as mechanisms driving plate movements.
$2.00
Grade 9 Science | Subduction Zones Worksheet & Answer Key (Printable PDF)

Grade 9 Science | Subduction Zones Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

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.
$2.00
Grade 9 Science Worksheet | Seafloor Spreading & Key Concepts + Answer Key

Grade 9 Science Worksheet | Seafloor Spreading & Key Concepts + Answer Key

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain the process of seafloor spreading at mid-ocean ridges.
  • Identify the evidence such as magnetic striping that supports seafloor spreading.
  • Describe how age progression, sediment thickness, and bathymetry document ocean basin cycles.
$2.00
Grade 9 Science | Ocean Circulation Worksheet & Answer Key (Printable PDF)

Grade 9 Science | Ocean Circulation Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the mechanisms driving surface and deep ocean currents.
  • Identify features like gyres, upwelling zones, and boundary currents.
  • Explain how ocean circulation influences regional climates and weather patterns.
$2.00
Grade 9 Science | Carbon Records Worksheet & Answer Key for Classroom Use

Grade 9 Science | Carbon Records Worksheet & Answer Key for Classroom Use

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe how ice cores, marine sediments, and terrestrial proxies are used to study past atmospheric conditions.
  • Understand the relationship between greenhouse gases, isotopic data, and climate variations.
  • Explain how proxy evidence combined with instrumental data helps assess natural versus anthropogenic climate changes.
$2.00
Grade 9 Science | Albedo Feedback Worksheet with Answer Key (Printable PDF)

Grade 9 Science | Albedo Feedback Worksheet with Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand what albedo feedback is and how it impacts climate change.
  • Identify factors that influence surface reflectivity in Earth's ecosystems.
  • Explain how melting ice, snow, vegetation shifts, and cloud cover contribute to feedback mechanisms.
$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
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 | Evidence of Evolution Worksheet & Answer Key (Printable PDF)

9th Grade Science | Evidence of Evolution Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Identify key lines of empirical evidence supporting evolutionary theory.
  • Explain the significance of fossil, anatomical, and genetic data in understanding common ancestry.
  • Recognize examples of transitional fossils, homologous structures, and DNA similarities among species.
$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 | Natural Selection Worksheet & Answer Key (Printable PDF)

Grade 9 Science | Natural Selection Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain the mechanisms of natural selection and how heritable variation contributes to evolution.
  • Identify examples of natural selection, such as finch beak shapes and bacterial resistance.
  • Describe the role of environmental pressures in adaptive changes in populations.
$2.00
9th Grade Science | Phylogenetic Trees Worksheet & Answer Key (Printable PDF)

9th Grade Science | Phylogenetic Trees Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand how to construct and interpret phylogenetic trees using morphological and molecular data.
  • Identify shared derived characters and their significance in evolutionary relationships.
  • Compare different tree-building methods such as parsimony and molecular distance.
$2.00
Grade 9 Science | Speciation Processes Worksheet & Answer Key (Printable PDF)

Grade 9 Science | Speciation Processes Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the mechanisms that lead to the formation of new species.
  • Identify examples of reproductive isolation and geographic separation in speciation.
  • Explain models like allopatric and sympatric speciation and their significance.
$2.00
9th Grade Science Worksheet | Trophic Dynamics & Food Webs Practice + Answer Key

9th Grade Science Worksheet | Trophic Dynamics & Food Webs Practice + Answer Key

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand energy transfer across trophic levels in ecosystems.
  • Identify the structure and function of food webs and trophic pyramids.
  • Explain ecological efficiency and biomass distribution in different ecosystems.
$2.00
Grade 9 Science Worksheet | Population Regulation Practice PDF & Answer Key

Grade 9 Science Worksheet | Population Regulation Practice PDF & Answer Key

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the factors that influence population size and dynamics.
  • Explore models such as logistic growth and predator-prey cycles.
  • Analyze empirical data from fisheries and wildlife management.
$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
Plate Tectonics Grade 9 Science Worksheet | Ontario Standard Practice

Plate Tectonics Grade 9 Science Worksheet | Ontario Standard Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the mechanisms of plate tectonics and surface expressions such as boundary types.
  • Explain how mantle convection, slab pull, and other forces drive plate movements.
  • Identify evidence from earthquakes and volcanic arcs supporting plate interactions.
$2.00
Transport Mechanisms Worksheet for Grade 9 Science TEKS Practice

Transport Mechanisms Worksheet for Grade 9 Science TEKS Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the different types of transport mechanisms used by cells to move molecules across membranes.
  • Differentiate between passive and active transport processes.
  • Identify examples of vesicular transport such as endocytosis and exocytosis.
Free
Vectors and Forces Worksheet Grade 9 Science Ontario Standard

Vectors and Forces Worksheet Grade 9 Science Ontario Standard

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the vector representation of forces including magnitude and direction.
  • Learn to resolve forces into components and calculate the resultant vector graphically and analytically.
  • Apply vector addition to analyze force interactions in two-dimensional scenarios.
$2.00
Grade 9 Science Worksheet on Simple Machines | Ontario Standards Practice

Grade 9 Science Worksheet on Simple Machines | Ontario Standards Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe the basic types of simple machines and their functions.
  • Explain how simple machines modify force and displacement to improve effort.
  • Calculate ideal mechanical advantage for different simple machine setups.
$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.