Grade 9 Science Worksheets

6,680 worksheets
Grade 9 Science Worksheet on Glucose Regulation | TEKS-Aligned Practice

Grade 9 Science Worksheet on Glucose Regulation | TEKS-Aligned Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the hormonal feedback mechanisms involved in glucose regulation.
  • Identify the roles of insulin and glucagon in maintaining blood glucose levels.
  • Explain how negative feedback loops help regulate energy balance in the body.
$2.00
Feedback Principles Worksheet for Grade 9 Science TEKS Alignment

Feedback Principles Worksheet for Grade 9 Science TEKS Alignment

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the components involved in homeostatic feedback loops.
  • Differentiate between negative and positive feedback mechanisms.
  • Explain the role of signaling pathways and transport processes in feedback loops.
$2.00
Cell Signaling Worksheet for Grade 9 Science | TEKS Aligned

Cell Signaling Worksheet for Grade 9 Science | TEKS Aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand how cells communicate using chemical and electrical signals.
  • Identify the roles of receptor proteins and ligands in signal transduction.
  • Describe different types of cell signaling: autocrine, paracrine, endocrine, and synaptic.
$2.00
Grade 9 Science — Organelle Systems Worksheet for Mastery | PDF + Answer Key

Grade 9 Science — Organelle Systems Worksheet for Mastery | PDF + Answer Key

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Describe the interactions and functions of different organelles within cell systems.
  • Explain how organelle cooperation supports cell growth, division, and responses to environmental changes.
  • Identify and analyze the roles of energy transduction, lipid synthesis, detoxification, and intracellular transport in cells.
$2.00
Grade 9 Science Worksheet on Metabolic Pathways – TEKS Aligned

Grade 9 Science Worksheet on Metabolic Pathways – TEKS Aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the structure and purpose of metabolic pathways in cells.
  • Differentiate between catabolic and anabolic pathways and their energy roles.
  • Describe mechanisms regulating pathway activity, including feedback and compartmentalization.
$2.00
Light Reactions Worksheet for Grade 9 Science | TEKS Aligned

Light Reactions Worksheet for Grade 9 Science | TEKS Aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain the process of light reactions in photosynthesis.
  • Identify the roles of pigment complexes and electron carriers.
  • Describe how photon energy is converted into chemical energy carriers.
$2.00
Grade 9 Science Worksheet on Integrated Metabolism | TEKS Standards

Grade 9 Science Worksheet on Integrated Metabolism | TEKS Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain how catabolic and anabolic pathways connect to support organismal energy needs.
  • Identify hormonal signals and nutrient influences that shift metabolic priorities.
  • Describe rapid post-translational enzyme control versus long-term enzyme expression adjustments.
$2.00
Grade 9 Science Worksheet on Enzyme Regulation | TEKS Aligned Practice

Grade 9 Science Worksheet on Enzyme Regulation | TEKS Aligned Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe the various mechanisms of enzyme regulation including allosteric control, inhibition, covalent modification, and gene expression.
  • Explain how environmental factors such as temperature and pH influence enzyme activity.
  • Understand feedback inhibition and its role in maintaining metabolic balance.
$2.00
Grade 9 Science Worksheet on Enzyme Basics | TEKS Aligned Practice

Grade 9 Science Worksheet on Enzyme Basics | TEKS Aligned Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the role of enzymes as biological catalysts that accelerate metabolic reactions.
  • Identify structural features of enzymes that contribute to substrate specificity and catalysis.
  • Explain how cofactors and coenzymes assist enzyme activity.
$2.00
Electron Transport Worksheet for Grade 9 Science | TEKS-Aligned Practice

Electron Transport Worksheet for Grade 9 Science | TEKS-Aligned Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe the process of electron transport chains in mitochondria and chloroplasts.
  • Explain how electron flow drives proton pumping and ATP synthesis via chemiosmosis.
  • Compare mitochondrial and thylakoid electron transport systems and their roles in energy production.
$2.00
Grade 9 Science Worksheet on The Calvin Cycle | TEKS Aligned

Grade 9 Science Worksheet on The Calvin Cycle | TEKS Aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe the main processes and phases of the Calvin cycle.
  • Identify the role of key enzymes and molecules in carbon fixation and sugar synthesis.
  • Explain how energy carriers like ATP and NADPH are utilized in photosynthesis.
$2.00
Regulatory Mechanisms Worksheet for Grade 9 Science TEKS Practice

Regulatory Mechanisms Worksheet for Grade 9 Science TEKS Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand how gene expression is controlled through regulatory mechanisms.
  • Identify the roles of promoters, enhancers, silencers, and transcription factors in transcription.
  • Explain how epigenetic modifications influence chromatin structure and gene activity.
$2.00
Grade 9 Science Pedigree Analysis Worksheet with Answer Key PDF

Grade 9 Science Pedigree Analysis Worksheet with Answer Key PDF

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the symbols and conventions used in pedigree charts.
  • Identify inheritance patterns such as autosomal dominant, recessive, X-linked, and mitochondrial.
  • Interpret pedigree data to determine likely genotypes and modes of inheritance.
$2.00
Grade 9 Science Worksheet on Nucleic Acid Structure | TEKS Aligned

Grade 9 Science Worksheet on Nucleic Acid Structure | TEKS Aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe the chemical structures of DNA and RNA and their nucleotide components.
  • Explain the significance of complementary base pairing in DNA replication and transcription.
  • Identify key structural differences between DNA and RNA and their functional implications.
$2.00
Inheritance Patterns Science Worksheet Grade 9 TEKS Practice PDF

Inheritance Patterns Science Worksheet Grade 9 TEKS Practice PDF

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain Mendelian inheritance and its principles of segregation and independent assortment.
  • Identify and differentiate between Mendelian and non-Mendelian inheritance patterns.
  • Recognize how environmental factors and gene linkage influence phenotypic traits.
$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
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
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
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
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
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
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
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 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
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
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
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
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 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
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
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
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 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
Basics of Evolution Science Worksheet Grade 9 | TEKS-Aligned Practice

Basics of Evolution Science Worksheet Grade 9 | TEKS-Aligned Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the fundamental mechanisms that drive evolution in populations.
  • Identify the roles of natural selection, genetic drift, mutation, and gene flow.
  • Explain how these mechanisms contribute to genetic variation and adaptation.
$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
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
Grade 9 Science — Comparative Structures Worksheet for Mastering Cell Organelles

Grade 9 Science — Comparative Structures Worksheet for Mastering Cell Organelles

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Understand how organelle morphology varies across different cell types and taxa.
  • Identify examples of structural adaptations in cell organelles related to specialized functions.
  • Relate cellular structure differences to organismal physiology and ecological strategies.
$2.00
Grade 9 Science | Feedback Mechanisms Worksheet (Answer Key) - NGSS Aligned

Grade 9 Science | Feedback Mechanisms Worksheet (Answer Key) - NGSS Aligned

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Describe the concepts of negative and positive feedback and their roles in maintaining internal stability.
  • Explain physiological examples of feedback mechanisms such as thermoregulation, blood glucose control, and osmoregulation.
  • Differentiate between rapid and hormonal feedback responses based on empirical evidence.
$2.00
Grade 9 Science | Field Dynamics Worksheet & Answer Key (NGSS-Aligned)

Grade 9 Science | Field Dynamics Worksheet & Answer Key (NGSS-Aligned)

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Describe the vector nature of electric and magnetic fields and how they interact with charges.
  • Explain the concept of superposition in electric and magnetic fields.
  • Apply the principles of Lorentz force to predict particle motion in combined electric and magnetic fields.
$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
9th Grade Science | One-Dimensional Motion Worksheet (Printable PDF + Answer Key)

9th Grade Science | One-Dimensional Motion Worksheet (Printable PDF + Answer Key)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the relationships between displacement, velocity, and acceleration in straight-line motion.
  • Interpret position–time and velocity–time graphs for uniform and accelerated motion.
  • Apply kinematic equations to solve problems involving constant acceleration.
$2.00
Grade 9 Science | Two-Dimensional Motion Worksheet (Printable PDF + Answer Key)

Grade 9 Science | Two-Dimensional Motion Worksheet (Printable PDF + Answer Key)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain the concept of motion in a plane using vector components.
  • Analyze projectile trajectories through component decomposition.
  • Apply vector addition and parametric equations to predict range and flight time.
$2.00
Grade 9 Science | Wave Properties Worksheet (Answer Key) – NGSS Aligned

Grade 9 Science | Wave Properties Worksheet (Answer Key) – NGSS Aligned

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand and explain the amplitude, frequency, wavelength, and phase of waves.
  • Relate wave speed to frequency and wavelength in different types of waves.
  • Apply sinusoidal functions and superposition principles to explain interference and standing waves.
$2.00
Grade 9 Science | Transmission Tradeoffs Worksheet & Answer Key (NGSS-Aligned)

Grade 9 Science | Transmission Tradeoffs Worksheet & Answer Key (NGSS-Aligned)

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand the fundamental tradeoffs involved in digital and analog communication systems.
  • Evaluate system performance metrics such as bandwidth, signal-to-noise ratio, and channel capacity.
  • Analyze case studies related to bandwidth limitations and error correction in communication systems.
$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

About Grade 9 Science Worksheets

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