Grade 9 Science Worksheets

6,680 worksheets
Grade 9 Science – Rock Cycle Worksheet (PDF) | Ontario Standards & Practice

Grade 9 Science – Rock Cycle Worksheet (PDF) | Ontario Standards & Practice

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Describe the processes involved in the rock cycle and how they transform different types of rocks.
  • Identify observable evidence of the rock cycle in the field, such as layering and textures.
  • Explain the role of plate tectonics, energy sources, and processes like weathering and metamorphism in shaping rocks.
$2.00
Grade 9 Science | Phylogenetic Trees Worksheet – NGSS Aligned (PDF + Answer Key)

Grade 9 Science | Phylogenetic Trees Worksheet – NGSS Aligned (PDF + Answer Key)

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand how phylogenetic trees represent evolutionary relationships.
  • Interpret branch arrangements and shared traits in cladograms.
  • Learn methods of constructing phylogenetic trees using morphological and molecular data.
$2.00
Grade 9 Science | Watershed Change Worksheet (PDF) – Ontario Standards

Grade 9 Science | Watershed Change Worksheet (PDF) – Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand human impacts on watershed processes such as urbanization, deforestation, agriculture, and infrastructure.
  • Identify consequences of watershed alterations including runoff, sediment load, nutrient fluxes, and groundwater recharge.
  • Describe how changes in watersheds affect channel morphology, flood frequency, and aquatic ecosystems.
$2.00
Grade 9 Science | Variation Mechanisms Worksheet & Answer Key (NGSS Aligned)

Grade 9 Science | Variation Mechanisms Worksheet & Answer Key (NGSS Aligned)

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand the genetic mechanisms that generate heritable diversity in populations.
  • Identify how point mutations, chromosomal rearrangements, and meiotic processes contribute to phenotypic variation.
  • Explain the connection between molecular changes and alterations in gene expression and protein function.
$2.00
Grade Science | Human Impacts on Biodiversity & Ecosystems Worksheet (Answer Key)

Grade Science | Human Impacts on Biodiversity & Ecosystems Worksheet (Answer Key)

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand how land-use change, invasive species, pollution, and resource extraction affect biodiversity and ecosystem functions.
  • Analyze case studies such as deforestation, coral reef degradation, and agricultural runoff to evaluate environmental impacts.
  • Interpret empirical data and information to assess trade-offs among conservation efforts, resource provisioning, and socioecological outcomes.
$2.00
Grade 9 Science | Understanding Chemical Properties Worksheet (PDF)

Grade 9 Science | Understanding Chemical Properties Worksheet (PDF)

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Define and describe chemical properties and distinguish them from physical properties.
  • Identify examples of chemical reactions such as rusting and combustion.
  • Explain how indicators like gas evolution, precipitate formation, and color change signify chemical changes.
$2.00
Grade 9 Science | Classification Overview Worksheet (PDF) – Ontario Standards

Grade 9 Science | Classification Overview Worksheet (PDF) – Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand the differences between elements, compounds, and mixtures based on their properties.
  • Identify and classify substances as pure or impure, and homogeneous or heterogeneous mixtures.
  • Apply symbols and formulas to represent elements and compounds accurately.
$2.00
Grade 9 Science – Neuroendocrine Control Worksheet for Mastery

Grade 9 Science – Neuroendocrine Control Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Describe how the hypothalamus integrates neural inputs and secretes releasing factors.
  • Explain the structural features that support precise hormonal regulation in neuroendocrine systems.
  • Identify key components involved in the coordination of rapid signaling and hormone effects.
$2.00
Grade 9 Science | Natural Selection Worksheet with Answer Key (PDF) – Evolution & NGSS

Grade 9 Science | Natural Selection Worksheet with Answer Key (PDF) – Evolution & NGSS

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand the mechanisms of natural selection and how it leads to evolutionary change
  • Identify examples of natural selection in nature, such as beak morphology and bacterial resistance
  • Explain the concepts of variation, inheritance, and selective pressures in evolution
$2.00
Grade 9 Science | Evidence of Evolution Worksheet (PDF + Answer Key)

Grade 9 Science | Evidence of Evolution Worksheet (PDF + Answer Key)

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Identify different types of empirical evidence supporting common ancestry.
  • Understand how fossils, anatomy, and molecular data contribute to evolutionary science.
  • Analyze examples such as transitional fossils, homologous structures, and DNA similarities.
$2.00
Grade 9 Science | Mechanical Energy Worksheet (PDF & Answer Key) for NGSS Alignment

Grade 9 Science | Mechanical Energy Worksheet (PDF & Answer Key) for NGSS Alignment

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Describe the forms of mechanical energy including kinetic and potential energy.
  • Apply the work-energy theorem to analyze energy transfer in systems.
  • Explain the effect of non-conservative forces, such as friction, on mechanical energy.
$2.00
Grade 9 Science — Enzyme Basics Worksheet for Mastery

Grade 9 Science — Enzyme Basics Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Understand the structure and function of enzymes as biological catalysts.
  • Explain how enzymes lower activation energy and stabilize transition states.
  • Describe the role of protein structure, amino acids, cofactors, and coenzymes in enzyme activity.
$2.00
Grade 9 Science — Energy Molecules Worksheet for Mastery

Grade 9 Science — Energy Molecules Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Explain the structure of ATP and its role as the energy currency in cells.
  • Describe the process of ATP hydrolysis and energy release.
  • Understand how phosphorylation regenerates ATP and couples energy reactions.
$2.00
Grade 9 Science Resource Impacts Worksheet – Ontario Standards (PDF)

Grade 9 Science Resource Impacts Worksheet – Ontario Standards (PDF)

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand how resource extraction influences landforms, ecosystems, and material cycles.
  • Evaluate sustainability criteria related to resource use—including renewability, environmental effects, and reclamation potential.
  • Analyze the trade-offs between societal needs and ecosystem integrity in resource management.
$2.00
Grade 9 Science – Succession Dynamics Worksheet for Mastery

Grade 9 Science – Succession Dynamics Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Understand the stages and types of ecological succession, including primary and secondary succession.
  • Identify key species traits and environmental factors influencing succession trajectories.
  • Explain how modeling succession helps predict ecosystem responses to disturbances and environmental change.
$2.00
Grade 9 Science — Speciation Intro Worksheet for Mastering Evolution

Grade 9 Science — Speciation Intro Worksheet for Mastering Evolution

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Understand the concept of speciation and its role in biodiversity.
  • Identify the mechanisms leading to reproductive isolation.
  • Differentiate between allopatric and sympatric speciation.
$2.00
Grade 9 Science – Phylogenetic Trees Worksheet for Mastering Evolution

Grade 9 Science – Phylogenetic Trees Worksheet for Mastering Evolution

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Understand how phylogenetic trees depict evolutionary relationships among taxa.
  • Identify features of rooted and unrooted trees and their interpretations.
  • Explain the significance of monophyletic, paraphyletic, and polyphyletic groups.
$2.00
Grade 9 Science – Natural Selection Worksheet for Mastery

Grade 9 Science – Natural Selection Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Explain the basic mechanisms of natural selection and how it contributes to evolution.
  • Identify examples of natural selection in nature, such as beak variation in finches and antibiotic resistance in bacteria.
  • Describe different types of selection: directional, stabilizing, and disruptive.
$2.00
Grade 9 Science — Molecular Evidence Worksheet for Mastery

Grade 9 Science — Molecular Evidence Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Understand how DNA, RNA, and protein sequences are used to infer evolutionary relationships.
  • Identify the significance of homologous genes and conserved sequences in determining common ancestry.
  • Explain the concept of molecular clocks and how sequence divergence helps estimate divergence times.
$2.00
Grade 9 Science – Genetic Drift Worksheet for Mastery

Grade 9 Science – Genetic Drift Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Understand what genetic drift is and how it affects small populations.
  • Identify examples of events that cause genetic drift, such as bottlenecks and founder effects.
  • Explain the consequences of genetic drift on allele frequencies and genetic diversity.
$2.00
Grade 9 Science – Fossil Records Worksheet for Mastering Paleontology

Grade 9 Science – Fossil Records Worksheet for Mastering Paleontology

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Understand how fossil records provide evidence for evolutionary history.
  • Identify the methods used to date and interpret fossils.
  • Explain patterns observed in the fossil record related to trait appearance and extinction.
$2.00
Grade 9 Science | Work Calculations Worksheet (Answer Key) – Ontario Standard

Grade 9 Science | Work Calculations Worksheet (Answer Key) – Ontario Standard

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand the concept of work as the dot product of force and displacement, incorporating the angle between them.
  • Differentiate methods for calculating work with constant and variable forces.
  • Apply area-under-curve methods to estimate work for non-constant forces using common approximations.
$2.00
Grade 9 Science | Work and Energy Worksheet (Answer Key) – Ontario Standard

Grade 9 Science | Work and Energy Worksheet (Answer Key) – Ontario Standard

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Define mechanical work as the scalar product of force and displacement.
  • Identify and distinguish between kinetic and potential energy.
  • Calculate work done by a constant force in different contexts.
$2.00
Grade 9 Science Vectors and Forces Worksheet – Ontario Standards (PDF)

Grade 9 Science Vectors and Forces Worksheet – Ontario Standards (PDF)

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand the representation of forces as vectors including magnitude and direction.
  • Learn to resolve forces into components and calculate resultant vectors graphically and analytically.
  • Apply the principles of vector addition to real-world force interactions such as inclined planes and cable tensions.
$2.00
Grade 9 Science | Simple Machines Worksheet (Ontario Standard) – Practice & Assessment (PDF)

Grade 9 Science | Simple Machines Worksheet (Ontario Standard) – Practice & Assessment (PDF)

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand the basic types of simple machines and their functions.
  • Analyze how simple machines modify force and displacement to achieve mechanical advantage.
  • Identify different classes of levers, pulley systems, and other simple machine configurations.
$2.00
Grade 9 Science | Newton's Second Law Worksheet (PDF) – Ontario Standard

Grade 9 Science | Newton's Second Law Worksheet (PDF) – Ontario Standard

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand the mathematical relationship between net force, mass, and acceleration as expressed in Newton's second law.
  • Differentiate between and relate mass and weight, and comprehend their implications for force and acceleration.
  • Apply Newton's second law to problems involving acceleration, force, and mass, including systems with multiple forces.
$2.00
Grade 9 Science | Motion Graphs Worksheet (Answer Key) – Ontario Standards

Grade 9 Science | Motion Graphs Worksheet (Answer Key) – Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Interpret position–time and velocity–time graphs in various motion scenarios.
  • Understand how the slope of position–time graphs indicates velocity, and how the slope of velocity–time graphs indicates acceleration.
  • Explain how the area under a velocity–time graph represents displacement.
$2.00
Grade 9 Science | Friction and Drag Worksheet (PDF) – Ontario Standards

Grade 9 Science | Friction and Drag Worksheet (PDF) – Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Explain the differences between static and kinetic friction, including their dependence on surface properties and relative motion.
  • Describe how fluid drag depends on velocity, cross-sectional area, and medium density, contrasting low-speed linear and high-speed quadratic regimes.
  • Apply formulas involving frictional coefficients and drag dependencies to analyze real-world motion scenarios.
$2.00
Grade 9 Science | Free-Body Diagrams Worksheet (Ontario Standards)

Grade 9 Science | Free-Body Diagrams Worksheet (Ontario Standards)

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand the conventions and components involved in drawing free-body diagrams for isolated objects.
  • Identify and represent different forces such as weight, normal force, tension, and friction with proper vector notation.
  • Apply free-body diagrams to analyze equilibrium and acceleration in physical systems, including objects on inclined planes and hanging masses.
$2.00
Grade 9 Science – Force Basics Worksheet (Answer Key) | Ontario Standard

Grade 9 Science – Force Basics Worksheet (Answer Key) | Ontario Standard

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Distinguish between contact and non-contact forces with examples.
  • Describe the characteristics of forces including magnitude, direction, and point of application.
  • Identify action-reaction pairs in various force interactions.
$2.00
Grade 9 Science | Membrane Transport Worksheets (Answer Key) – Ontario Standards

Grade 9 Science | Membrane Transport Worksheets (Answer Key) – Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Describe different mechanisms of molecular movement across cell membranes, including diffusion, osmosis, and active transport.
  • Explain the role of electrochemical gradients and membrane potential in transport processes.
  • Differentiate between paracellular and transcellular pathways in epithelial tissues.
$2.00
Grade 9 Science | Immune Barriers Worksheet (Answer Key) – Ontario Standards

Grade 9 Science | Immune Barriers Worksheet (Answer Key) – Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand the different physical and cellular barriers of the immune system.
  • Identify how innate and adaptive immune defenses function to protect against pathogens.
  • Describe mechanisms such as inflammation and memory formation in immunity.
$2.00
Grade 9 Science | Health Factors Worksheet (PDF) – Ontario Standards

Grade 9 Science | Health Factors Worksheet (PDF) – Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand how lifestyle and environmental factors influence human health.
  • Identify mechanisms like oxidative stress and inflammation that relate to chronic conditions.
  • Interpret epidemiological data to discern causation from correlation.
$2.00
Grade 9 Science | Environmental Health Worksheet (Answer Key) - Ontario Standards

Grade 9 Science | Environmental Health Worksheet (Answer Key) - Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand how environmental exposures influence cellular and organ system health.
  • Identify sources and effects of air and water pollutants on human health.
  • Explain dose–response relationships and vulnerability factors related to environmental hazards.
$2.00
Grade 9 Science – Endocrine Feedback Worksheet (Answer Key) | Ontario Standards

Grade 9 Science – Endocrine Feedback Worksheet (Answer Key) | Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand how hormones regulate physiological processes through feedback loops.
  • Identify components of hormonal pathways involved in glucose homeostasis and thyroid control.
  • Explain cellular hormone actions including gene expression and enzyme activity changes.
$2.00
Grade 9 Science Worksheet | Digestive Absorption & Nutrient Transport (PDF)

Grade 9 Science Worksheet | Digestive Absorption & Nutrient Transport (PDF)

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Explain the mechanical and chemical breakdown of food in digestion.
  • Describe how nutrients are absorbed across the intestinal epithelium, focusing on villi and microvilli.
  • Identify the role of enzymes, bile, and micelles in nutrient digestion and absorption.
$2.00
Grade 9 Science | Circulatory Transport Worksheet – Ontario Standard (PDF)

Grade 9 Science | Circulatory Transport Worksheet – Ontario Standard (PDF)

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Describe the structural features of the heart and blood vessels involved in circulation.
  • Explain the mechanisms of blood flow, including valve function and pressure regulation.
  • Identify the roles of blood components in transport and regulation within the circulatory system.
$2.00
Grade 9 Science | Cellular Energy Worksheet (Answer Key) – Ontario Standards

Grade 9 Science | Cellular Energy Worksheet (Answer Key) – Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Explain the processes of glycolysis, the citric acid cycle, and oxidative phosphorylation in cellular respiration.
  • Describe how mitochondrial structure supports energy production, including proton gradients and ATP synthesis.
  • Compare aerobic and anaerobic pathways and their tissue-specific relevance, such as skeletal muscle during exertion.
$2.00
9th Grade Science | Membrane Transport Worksheet (Printable PDF + Answer Key)

9th Grade Science | Membrane Transport Worksheet (Printable PDF + Answer Key)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe various mechanisms of transmembrane transport including passive diffusion, facilitated transport, and active transport.
  • Explain how membrane composition and transporters contribute to cellular homeostasis and electrochemical gradients.
  • Analyze how structural modifications can influence transport efficiency and metabolic coupling.
$2.00
Grade 9 Science – Cell Components Worksheet (PDF) | Ontario Standards

Grade 9 Science – Cell Components Worksheet (PDF) | Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Identify the major organelles of eukaryotic cells and describe their structural features.
  • Explain how membrane folding, compartmentalization, and surface-to-volume ratios influence cellular functions.
  • Relate the specific functions of cell organelles to their structures and organization.
$2.00
9th Grade Science | Molecular Inheritance Worksheet (Printable PDF + Answer Key)

9th Grade Science | Molecular Inheritance Worksheet (Printable PDF + Answer Key)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the molecular mechanisms of DNA replication, transcription, RNA processing, and translation.
  • Explain how sequence variation and mutations affect gene expression and protein function.
  • Apply molecular models and sequence reasoning to predict phenotypic outcomes of allelic changes.
$2.00
Grade 9 Science | States and Energy Worksheet (Answer Key) – Ontario Standard

Grade 9 Science | States and Energy Worksheet (Answer Key) – Ontario Standard

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Explain how phase changes involve energy transfer and particle motion.
  • Describe the concepts of latent heat and characteristic transition temperatures.
  • Differentiate between heating and cooling curves during phase transitions.
$2.00
9th Grade Science | Photosynthesis Worksheet (Printable PDF + Answer Key)

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

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe the molecular basis of photosynthetic light capture and pigment absorption spectra.
  • Explain energy transfer among pigments and its role in the conversion to chemical energy via photosystems.
  • Analyze the concepts of rate, efficiency, and quantum yield in photosynthesis.
$2.00
Grade 9 Science | Solution Behavior Worksheet (PDF) – Ontario Standard Practice

Grade 9 Science | Solution Behavior Worksheet (PDF) – Ontario Standard Practice

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Describe the processes involved in dissolution and solute-solvent interactions.
  • Identify factors affecting solubility such as temperature and agitation.
  • Differentiate between saturated, unsaturated, and supersaturated solutions with examples.
$2.00
Grade 9 Science | Respiratory Pathways Worksheet (Printable PDF + Answer Key)

Grade 9 Science | Respiratory Pathways Worksheet (Printable PDF + Answer Key)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe the main stages and components of cellular respiration including glycolysis, the citric acid cycle, and electron transport chain.
  • Differentiate between aerobic and anaerobic respiration and their ATP yields.
  • Explain how enzyme regulation and substrate availability influence metabolic pathway flux.
$2.00
9th Grade Science | Climate Trends Worksheet (Printable PDF + Answer Key)

9th Grade Science | Climate Trends Worksheet (Printable PDF + Answer Key)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Analyze spatial and temporal climate datasets to identify trends and anomalies.
  • Apply statistical methods such as trend analysis and composite mapping to climate data.
  • Interpret potential climate drivers by comparing datasets with forcings like greenhouse gases and volcanic aerosols.
$2.00
Grade 9 Science | Societal Impacts of Chemicals Worksheet (PDF) - Ontario Standards

Grade 9 Science | Societal Impacts of Chemicals Worksheet (PDF) - Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Analyze the societal uses, benefits, and risks associated with everyday chemicals.
  • Evaluate how chemical properties influence environmental persistence and routes of exposure.
  • Discuss the importance of safe handling, disposal, and regulation of chemicals in society.
$2.00
Grade 9 Science | Reaction Types Worksheet – Standard Ontario (PDF)

Grade 9 Science | Reaction Types Worksheet – Standard Ontario (PDF)

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Identify and describe the main types of chemical reactions: synthesis, decomposition, single displacement, double displacement, and combustion.
  • Recognize practical examples of each reaction type and their observable outcomes.
  • Understand how reaction classifications assist in predicting products and maintaining mass conservation.
$2.00

About Grade 9 Science Worksheets

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