Grade 9 Worksheets

8,916 grade resources
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 | Integrated Modeling Worksheet (Printable PDF + Answer Key)

Grade 9 Science | Integrated Modeling Worksheet (Printable PDF + Answer Key)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the components and interactions within integrated environmental models.
  • Analyze how coupled models synthesize data across geosphere, hydrosphere, atmosphere, and biosphere.
  • Evaluate model sensitivity, uncertainty propagation, and their implications for environmental projections.
$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 | Ocean–Atmosphere Coupling Worksheet (Printable PDF + Answer Key)

Grade 9 Science | Ocean–Atmosphere Coupling Worksheet (Printable PDF + Answer Key)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the mechanisms underlying ocean–atmosphere interactions and phenomena like ENSO.
  • Analyze how sea surface temperature anomalies influence atmospheric circulation patterns.
  • Examine the use of time-series analyses and lag-correlation maps in climate studies.
$2.00
Grade 9 Science | Paleoclimate Proxies Worksheet (Printable PDF + Answer Key)

Grade 9 Science | Paleoclimate Proxies Worksheet (Printable PDF + Answer Key)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Interpret paleoclimate evidence from ice cores, tree rings, marine sediments, and speleothems.
  • Understand proxy indicators such as isotopic ratios, growth increments, and microfossil assemblages.
  • Relate proxy records to climate patterns and reconstruct past climate variability.
$2.00
9th Grade Science | Plate Boundaries Worksheet (Printable PDF + Answer Key)

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

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe the mechanisms behind divergent, convergent, and transform plate boundaries.
  • Identify surface features associated with each type of plate boundary.
  • Interpret evidence such as seafloor age, paleomagnetic stripes, and seismicity to understand plate movements.
$2.00
Grade 9 Science | Force Interactions Worksheet (Printable PDF + Answer Key)

Grade 9 Science | Force Interactions Worksheet (Printable PDF + Answer Key)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain how net external forces influence changes in an object's motion.
  • Interpret force diagrams and free-body diagrams for various scenarios.
  • Apply Newton's second law to different force systems and predict acceleration.
$2.00
Grade 9 Science Worksheet on Evidence Overview | TEKS Standards

Grade 9 Science Worksheet on Evidence Overview | TEKS Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand how fossil, anatomical, and molecular evidence support evolutionary relationships.
  • Describe how different lines of evidence complement each other in reconstructing evolutionary history.
  • Recognize the importance of consistency among evidence types for determining descent with modification and divergence timing.
$2.00
Energy Flow Worksheet for Grade 9 Science | Standard Practice and Assessment

Energy Flow Worksheet for Grade 9 Science | Standard Practice and Assessment

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain how energy moves through ecosystems from producers to consumers and decomposers.
  • Understand the process of energy transfer via photosynthesis and trophic levels.
  • Describe the concept of energy loss at each level and its impact on food chain length.
$2.00
Ecosystem Services Worksheet for Grade 9 Science TEKS Practice PDF

Ecosystem Services Worksheet for Grade 9 Science TEKS Practice PDF

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Define ecosystem services and identify their major types.
  • Explain the importance of biodiversity in sustaining ecosystem functions.
  • Assess human impacts such as land-use change and pollution on ecosystem services.
$2.00
Community Interactions Worksheet for Grade 9 Science TEKS Alignment

Community Interactions Worksheet for Grade 9 Science TEKS Alignment

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe various types of species interactions such as competition, predation, and mutualism.
  • Explain the role of keystone species and ecosystem engineers in community structure.
  • Analyze indirect effects and emergent properties using network approaches.
$2.00
Biogeochemical Cycles Worksheet for Grade 9 Science TEKS aligned

Biogeochemical Cycles Worksheet for Grade 9 Science TEKS aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the main components and processes involved in biogeochemical cycles.
  • Identify the roles of key processes such as photosynthesis, decomposition, nitrogen fixation, and weathering.
  • Explain how cycle rates and reservoir sizes affect ecosystem responses to environmental disturbances.
$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 | 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 Worksheet on Speciation Introduction TEKS Aligned PDF

Grade 9 Science Worksheet on Speciation Introduction TEKS Aligned PDF

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the process of speciation and how it leads to biodiversity.
  • Identify different reproductive barriers involved in speciation.
  • Distinguish between allopatric and sympatric speciation.
$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
Understanding Phylogenetic Trees Science Worksheet Grade 9 | TEKS

Understanding Phylogenetic Trees Science Worksheet Grade 9 | TEKS

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain what phylogenetic trees depict in evolutionary biology.
  • Identify key features of phylogenetic trees such as common ancestors and branching points.
  • Differentiate between rooted and unrooted trees and their uses.
$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 | Planetary Origins Worksheet (PDF + Answer Key) for NGSS Alignment

Grade 9 Science | Planetary Origins Worksheet (PDF + Answer Key) for NGSS Alignment

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Explain the processes involved in the formation of the solar system based on current scientific evidence.
  • Identify key features distinguishing inner rocky planets from outer gas giants.
  • Describe the role of meteorites and isotopic dating in understanding planetary origins.
$2.00
Molecular Evidence Worksheet for Grade 9 Science | TEKS Aligned

Molecular Evidence Worksheet for Grade 9 Science | TEKS Aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand how DNA, RNA, and protein sequences are compared to infer evolutionary relationships.
  • Explain the concept of homologous genes and sequence divergence as molecular clocks.
  • Recognize the significance of conserved genetic patterns in understanding lineage relationships.
$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
Classification Foundations Worksheet for Grade 9 Science | TEKS Aligned

Classification Foundations Worksheet for Grade 9 Science | TEKS Aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the hierarchy and importance of biological classification systems.
  • Identify key features used to classify living organisms.
  • Differentiate between traditional and modern classification methods.
$2.00
Genetic Drift Worksheet for Grade 9 Science | TEKS Aligned

Genetic Drift Worksheet for Grade 9 Science | TEKS Aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the concept of genetic drift and its effects on populations.
  • Identify examples of genetic drift such as bottlenecks and founder effects.
  • Explain how chance events influence evolutionary pathways in small populations.
$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 Worksheet on Fossil Records TEKS Alignment

Grade 9 Science Worksheet on Fossil Records TEKS Alignment

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the role of fossil records in studying Earth's history.
  • Identify how stratigraphy and radiometric dating determine fossil ages.
  • Explain the significance of transitional fossils and preservation bias.
$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 – 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
Human Impacts Grade 9 Science Worksheet | TEKS Practice & Assessment

Human Impacts Grade 9 Science Worksheet | TEKS Practice & Assessment

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand how human activities affect biodiversity and ecosystem services.
  • Identify specific impacts such as land conversion, pollution, and resource extraction.
  • Explain the effects of habitat fragmentation and nutrient runoff on ecosystems.
$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 – 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
Nutrient Cycling Worksheet for Grade 9 Science | TEKS Aligned

Nutrient Cycling Worksheet for Grade 9 Science | TEKS Aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the processes involved in nutrient cycling, including nitrogen fixation, assimilation, mineralization, and denitrification.
  • Explain how physical transport and human activities influence nutrient availability in ecosystems.
  • Analyze the impact of excess nutrients on aquatic systems and processes like eutrophication.
$2.00
Population Ecology Worksheet for Grade 9 Science | TEKS Aligned

Population Ecology Worksheet for Grade 9 Science | TEKS Aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the key factors that influence population growth and decline.
  • Identify the difference between density-dependent and density-independent factors.
  • Explain how population patterns affect community interactions and ecosystem dynamics.
$2.00
Grade 9 Science Worksheet on Resilience and Resistance | TEKS Standard

Grade 9 Science Worksheet on Resilience and Resistance | TEKS Standard

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the concepts of ecological resilience and resistance in ecosystems.
  • Identify factors that influence an ecosystem's ability to withstand disturbance and recover.
  • Explain how crossing thresholds can lead to regime shifts and alternative community states.
$2.00
Ecological Succession Worksheet for Grade 9 Science | TEKS Aligned

Ecological Succession Worksheet for Grade 9 Science | TEKS Aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the stages and types of ecological succession and their characteristics.
  • Identify factors influencing succession dynamics and community changes over time.
  • Explain how succession models predict long-term ecosystem responses to environmental changes.
$2.00
Grade 9 Science Worksheet on Trophic Structure | TEKS Aligned

Grade 9 Science Worksheet on Trophic Structure | TEKS Aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Identify the roles of producers, consumers, and decomposers in an ecosystem's trophic structure.
  • Describe how energy flows through food chains and webs.
  • Explain the concepts of trophic efficiency and trophic cascades and their impact on ecosystems.
$2.00
Biotech Applications Science Worksheet for Grade 9 | TEKS Aligned

Biotech Applications Science Worksheet for Grade 9 | TEKS Aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe common molecular techniques used in biotechnology.
  • Identify various applications of biotechnology in medicine, agriculture, and forensics.
  • Understand ethical, legal, and societal considerations related to biotech advancements.
$2.00
Biotech Ethics Worksheet Grade 9 Science TEKS Practice PDF

Biotech Ethics Worksheet Grade 9 Science TEKS Practice PDF

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand key ethical considerations in biotechnology.
  • Identify societal implications of genetic manipulation.
  • Evaluate risks versus benefits in biotechnological applications.
$2.00
Complex Inheritance Worksheet for Grade 9 Science TEKS aligned

Complex Inheritance Worksheet for Grade 9 Science TEKS aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the key concepts of complex inheritance including polygenic traits, epistasis, and pleiotropy.
  • Recognize how variable penetrance and expressivity influence phenotype expression.
  • Learn about linkage and environmental effects on genetic traits.
$2.00
DNA Replication Worksheet for Grade 9 Science | TEKS Aligned Practice

DNA Replication Worksheet for Grade 9 Science | TEKS Aligned Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the process of DNA replication and its key steps.
  • Identify the roles of enzymes such as helicase, primase, and DNA polymerase.
  • Explain the significance of replication fidelity and its impact on genome stability.
$2.00
Gene Expression Worksheet for Grade 9 Science TEKS Standard Practice

Gene Expression Worksheet for Grade 9 Science TEKS Standard Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe the processes of transcription and translation in gene expression.
  • Identify the roles of DNA, mRNA, tRNA, and ribosomes in protein synthesis.
  • Explain how regulation at transcriptional and translational stages influences gene activity.
$2.00
Genetic Data Analysis Worksheet for Grade 9 Science | TEKS Standard

Genetic Data Analysis Worksheet for Grade 9 Science | TEKS Standard

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand methods used to interpret genetic data, including genotype and phenotype analysis.
  • Identify techniques such as PCR markers, nucleotide variants, and sequencing reads.
  • Compare observed and expected inheritance patterns to detect linkage or selection.
$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
Grade 9 Science | Biogeochemical Cycles Worksheet for Mastery

Grade 9 Science | Biogeochemical Cycles Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Understand the main processes involved in biogeochemical cycles such as carbon, nitrogen, and phosphorus.
  • Identify the reservoirs and fluxes of key elements within Earth's systems.
  • Explain how factors like climate change and land use impact biogeochemical cycle dynamics.
$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
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

Browse more categories

About Grade 9 Worksheets

Browse 8,916 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.