Grade 9 Worksheets

8,916 grade resources
Grade 9 Science — Trophic Structure Worksheet for Mastery

Grade 9 Science — Trophic Structure Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Explain the components of trophic structure, including producers, consumers, and decomposers.
  • Describe the roles of food chains and food webs in illustrating energy flow.
  • Analyze how trophic efficiency influences biomass and ecosystem productivity.
$2.00
Grade 9 Science | Heat Quantification Worksheet & Answer Key (PDF Practice)

Grade 9 Science | Heat Quantification Worksheet & Answer Key (PDF Practice)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the concepts of heat transfer through conduction, convection, and radiation.
  • Apply formulas involving specific heat capacity, mass, and temperature change to calculate thermal energy transfer.
  • Interpret sign conventions and energy flow in thermodynamic processes.
$2.00
System Interactions Worksheet for Grade 9 Science Ontario Standards

System Interactions Worksheet for Grade 9 Science Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Analyze how different body systems coordinate to maintain homeostasis.
  • Identify feedback mechanisms and set points in physiological processes.
  • Understand the interactions between endocrine signaling and autonomic responses.
$2.00
Grade 9 Science | Understanding Central Tendencies Worksheet (Printable PDF + Answer Key)

Grade 9 Science | Understanding Central Tendencies Worksheet (Printable PDF + Answer Key)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Define and interpret mean, median, and mode as measures of central tendency.
  • Compare how different measures respond to skewness, outliers, and multimodal distributions.
  • Determine appropriate measures of central tendency based on data distribution and context.
$2.00
Energy Conservation Worksheet for Grade 9 Science | BC Standards

Energy Conservation Worksheet for Grade 9 Science | BC Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the principles of energy conservation in physical systems.
  • Identify different forms of energy and how they convert from one to another.
  • Explain the role of nonconservative forces like friction in energy transfer.
$2.00
Grade 9 Science Worksheet on Societal Impacts of Chemicals – Ontario

Grade 9 Science Worksheet on Societal Impacts of Chemicals – Ontario

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand how chemicals are used in everyday life and assess their societal benefits and risks.
  • Identify routes of chemical exposure and discuss safe handling and disposal methods.
  • Evaluate trade-offs between utility and environmental or health impacts of chemicals.
$2.00
Grade 9 Science – Membrane Structure Worksheet for Mastery

Grade 9 Science – Membrane Structure Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Understand the basic components and organization of the cell membrane.
  • Describe the role of phospholipid bilayer and associated proteins in membrane function.
  • Explain how fluidity and structural features enable membrane permeability and signaling.
$2.00
Grade 9 Science | Energy Conservation Worksheet & Answer Key (NGSS-Aligned)

Grade 9 Science | Energy Conservation Worksheet & Answer Key (NGSS-Aligned)

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand the principles of energy conservation in both closed and open systems.
  • Identify and analyze energy transfer processes using diagrams and mathematical models.
  • Explain the concept of energy reservoirs and how they relate to total energy constancy.
$2.00
Grade 9 Science – Population Ecology Worksheet for Mastery

Grade 9 Science – Population Ecology Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Understand the key factors that influence population growth and decline.
  • Identify the concepts of density-dependent and density-independent factors.
  • Explain how population dynamics affect community interactions and ecosystem stability.
$2.00
Friction and Drag Worksheet | Grade 9 Science | Alberta Standards

Friction and Drag Worksheet | Grade 9 Science | Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain how friction and drag oppose motion and convert mechanical energy into thermal energy.
  • Describe the factors affecting friction on icy roads and gravel tracks.
  • Analyze how air density and shape influence aerodynamic drag on vehicles.
$2.00
Grade 9 Science | Speciation Processes Worksheet & Answer Key (NGSS Aligned)

Grade 9 Science | Speciation Processes Worksheet & Answer Key (NGSS Aligned)

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand the mechanisms that lead to the formation of new species.
  • Explain different models of speciation such as allopatric and sympatric.
  • Identify examples of speciation in natural populations, including hybrid zones and polyploidy.
$2.00
Grade 9 Science Worksheet on Microscopy Basics – Printable PDF & Answer Key

Grade 9 Science Worksheet on Microscopy Basics – Printable PDF & Answer Key

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the differences between optical and electron microscopes
  • Explain key concepts of magnification, resolution, and contrast
  • Identify factors affecting image interpretation such as scale bars and staining artifacts
$2.00
Grade 9 Science — Feedback Principles Worksheet for Mastery | PDF + Answer Key

Grade 9 Science — Feedback Principles Worksheet for Mastery | PDF + Answer Key

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Understand the core components of homeostatic feedback loops and their functions.
  • Differentiate between negative and positive feedback mechanisms and their roles in the body.
  • Describe the signaling pathways and transport processes involved in feedback regulation.
$2.00
Force and Acceleration Worksheet for Grade 9 Science | PDF & Answer Key

Force and Acceleration Worksheet for Grade 9 Science | PDF & Answer Key

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the relationship between net force, mass, and acceleration as described by Newton's second law.
  • Analyze how changes in force or mass affect acceleration direction and magnitude.
  • Apply vector principles to resolve forces and determine resulting acceleration.
$2.00
9th Grade Science | Human Influence Worksheet & Answer Key (PDF)

9th Grade Science | Human Influence Worksheet & Answer Key (PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Analyze historical atmospheric carbon dioxide records, land-use change, and temperature trends related to human activities.
  • Identify key indicators such as the Keeling Curve and satellite data showing ecosystem changes.
  • Explain the impacts of fossil fuel combustion, deforestation, and urbanization on climate and ecosystems.
$2.00
Grade 9 Science | Nutrient Cycling Worksheet (Answer Key & Rubric) NGSS Aligned

Grade 9 Science | Nutrient Cycling Worksheet (Answer Key & Rubric) NGSS Aligned

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Describe the processes involved in the cycling of carbon, nitrogen, and phosphorus within ecosystems.
  • Explain microbial roles such as fixation, mineralization, and decomposition in nutrient cycles.
  • Analyze human impacts like fertilizer runoff on nutrient fluxes and ecosystem health.
$2.00
Simple Machines Worksheet for Grade 9 Science | Alberta Standards

Simple Machines Worksheet for Grade 9 Science | Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the types of simple machines and how they transfer force.
  • Explore the concepts of mechanical advantage and energy distribution in simple systems.
  • Differentiate between ideal and actual mechanical advantage considering friction and support geometry.
$2.00
Motion Equations Worksheet | Grade 9 Science | Alberta Standards

Motion Equations Worksheet | Grade 9 Science | Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the basic form of constant-acceleration motion equations.
  • Apply algebraic substitution to solve for displacement, velocity, and acceleration.
  • Analyze real-world scenarios like vehicle stopping distances and free fall using motion equations.
$2.00
Fertilization and Development Worksheet for Grade 9 Science | Alberta Standards

Fertilization and Development Worksheet for Grade 9 Science | Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe the process of fertilization and its role in reproduction.
  • Differentiate between internal and external fertilization with examples.
  • Explain stages of embryonic development and factors influencing successful growth.
$2.00
Environmental Chemistry Worksheet Grade 9 Science | Alberta Standards

Environmental Chemistry Worksheet Grade 9 Science | Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand key concepts of environmental chemistry, including mass conservation and chemical change.
  • Interpret observable evidence of environmental transformations using particulate and atomic explanations.
  • Apply mass accounting principles to regional environmental issues such as acid deposition, tailings chemistry, and nutrient cycling.
$2.00
Magnetic Fields Worksheet for Grade 9 Science | Alberta Standards Practice

Magnetic Fields Worksheet for Grade 9 Science | Alberta Standards Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the origin and basic properties of magnetic fields.
  • Identify the relationship between electric current and magnetic field orientation.
  • Explain real-world applications of magnetic fields in navigation and industry.
$2.00
Mineral Properties Worksheet for Grade 9 Science | Ontario Standards

Mineral Properties Worksheet for Grade 9 Science | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the diagnostic physical and chemical properties of common rock-forming minerals.
  • Explain how mineral composition relates to formation environment and stability.
  • Connect mineral assemblages to petrogenetic histories and economic significance.
$2.00
Population Genetics Worksheet for Grade 9 Science | Alberta Standards

Population Genetics Worksheet for Grade 9 Science | Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the principles of allele frequency and Hardy-Weinberg equilibrium.
  • Identify factors such as genetic drift, bottlenecks, and founder effects impacting populations.
  • Analyze how small population size and isolation influence genetic diversity.
$2.00
Mass Conservation Worksheet | Science Practice for Grade 9 Alberta Standards

Mass Conservation Worksheet | Science Practice for Grade 9 Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain the principle of mass conservation in chemical reactions.
  • Apply the concept to real-world examples such as combustion and gas measurements.
  • Analyze the importance of atoms' conservation during chemical processes.
$2.00
Chromosomes and DNA Worksheet | Grade 9 Science | Alberta

Chromosomes and DNA Worksheet | Grade 9 Science | Alberta

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain the structure and function of DNA and chromosomes.
  • Describe how DNA is organized within chromosomes and cellular organelles.
  • Compare nuclear and organelle genomes in heredity.
$2.00
Grade 9 Science | Hydrologic Change Worksheet & Answer Key (NGSS Aligned)

Grade 9 Science | Hydrologic Change Worksheet & Answer Key (NGSS Aligned)

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand the processes of erosion, transport, and deposition in shaping Earth's surface.
  • Interpret hydrologic data such as discharge records and sediment load measurements.
  • Analyze the feedback mechanisms between runoff, sediment supply, and channel morphology.
$2.00
Grade 9 Science | Collision Safety Worksheet (PDF + Answer Key) | NGSS Alignment

Grade 9 Science | Collision Safety Worksheet (PDF + Answer Key) | NGSS Alignment

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand the principles of impulse and force-time relationships in collision safety.
  • Identify design strategies such as crumple zones, airbags, and padding to reduce peak forces during impacts.
  • Analyze force‑time graphs to evaluate impact mitigation methods.
$2.00
Water Cycling Science Worksheet Grade 9 | Ontario Standards Practice

Water Cycling Science Worksheet Grade 9 | Ontario Standards Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe the processes involved in the water cycle, including evaporation, condensation, precipitation, infiltration, runoff, and groundwater flow.
  • Explain the concept of residence time in different water reservoirs and how fluxes control water availability.
  • Analyze how watershed characteristics, porosity, and permeability influence water movement and partitioning.
$2.00
Grade 9 Science | Force Laws Worksheet with Answer Key for NGSS Alignment

Grade 9 Science | Force Laws Worksheet with Answer Key for NGSS Alignment

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand the mathematical representation of gravitational and electrostatic forces and their inverse-square dependence.
  • Apply force equations to calculate magnitudes and directions of forces between objects.
  • Interpret vector directions in force interactions and predict net force outcomes.
$2.00
Grade 9 Science | Newtonian Motion Worksheet (PDF + Answer Key Included)

Grade 9 Science | Newtonian Motion Worksheet (PDF + Answer Key Included)

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand the fundamental principles of Newton's laws of motion and how they relate to force, mass, and acceleration.
  • Apply free-body diagrams and vector components to analyze forces acting on objects in motion.
  • Solve quantitative problems involving acceleration and trajectories using force analysis.
$2.00
Grade 9 Science | Cellular Metabolism Worksheet & Answer Key (PDF)

Grade 9 Science | Cellular Metabolism Worksheet & Answer Key (PDF)

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Explain the biochemical pathways involved in cellular respiration and energy production.
  • Describe the roles of mitochondria and chloroplasts in metabolism.
  • Quantitatively analyze reactants and products in metabolic pathways, including ATP yield and oxygen consumption.
$2.00
Grade 9 Science | Momentum Conservation Worksheet with Answer Key (PDF)

Grade 9 Science | Momentum Conservation Worksheet with Answer Key (PDF)

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Explain the principle of conservation of linear momentum in isolated systems.
  • Differentiate between elastic and inelastic collisions using vector sums.
  • Calculate total momentum before and after interactions in given scenarios.
$2.00
Grade 9 Science | Framing Constraints Worksheet & Answer Key (NGSS-Aligned)

Grade 9 Science | Framing Constraints Worksheet & Answer Key (NGSS-Aligned)

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand the importance of problem framing in engineering design.
  • Identify and prioritize various constraints such as social, economic, environmental, and functional requirements.
  • Analyze interactions among constraints to develop feasible engineering solutions.
$2.00
Electrical Quantities Worksheet - Science Grade 9 | Alberta Standards

Electrical Quantities Worksheet - Science Grade 9 | Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Define electric current, voltage, and resistance as fundamental electrical quantities.
  • Describe the units, symbols, and typical magnitudes of electrical quantities.
  • Interpret instrument readings and understand their significance in regional electrical systems.
$2.00
Grade 9 Science | Molecular Regulation Worksheet (NGSS-Aligned + Answer Key)

Grade 9 Science | Molecular Regulation Worksheet (NGSS-Aligned + Answer Key)

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Explain different molecular signaling pathways involved in gene expression and protein activity regulation.
  • Identify key mechanisms such as signal transduction, receptor-ligand interactions, and hormonal signaling.
  • Describe examples like insulin-mediated glucose uptake and receptor tyrosine kinase pathways.
$2.00
Genes and Proteins Worksheet for Grade 9 Science | Alberta Standards

Genes and Proteins Worksheet for Grade 9 Science | Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand that genes are DNA segments encoding proteins and regulatory elements influencing phenotype.
  • Explain the processes of transcription and translation in gene expression.
  • Describe how gene regulation affects protein production and phenotypic traits.
$2.00
Grade 9 Science Worksheet on Integrated Case | Alberta Standards

Grade 9 Science Worksheet on Integrated Case | Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand reproductive strategies and their impact on genetic diversity.
  • Trace inheritance mechanisms through chromosomal and Mendelian patterns.
  • Analyze how selection influences adaptation and ecological outcomes.
$2.00
Renewable Integration Worksheet | Science Grade 9 | Alberta Standards

Renewable Integration Worksheet | Science Grade 9 | Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand challenges and solutions related to integrating wind and solar energy into the electrical grid.
  • Identify mechanisms for grid balancing and storage needs associated with renewable energy sources.
  • Evaluate environmental and economic implications of renewable energy integration.
$2.00
Energy Conservation Worksheet Grade 9 Science | Alberta Standards

Energy Conservation Worksheet Grade 9 Science | Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain the principle of conservation of mechanical energy in different contexts.
  • Identify energy transfer mechanisms such as potential to kinetic energy in real-world examples.
  • Analyze the effects of non-conservative forces like friction on energy in systems.
$2.00
Carbon Pathways Worksheet for Grade 9 Science | Ontario Standard

Carbon Pathways Worksheet for Grade 9 Science | Ontario Standard

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe major carbon reservoirs and the fluxes that move carbon among atmosphere, biosphere, oceans, and geosphere.
  • Quantify basic exchanges and residence times of carbon in various reservoirs.
  • Explain how human activities perturb natural carbon budgets and the feedback mechanisms involved.
$2.00
Celestial Motions Worksheet for Grade 9 Science | Ontario Standards

Celestial Motions Worksheet for Grade 9 Science | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Explain how Earth's rotation and orbit produce day-night cycles and seasonal changes.
  • Describe the relative motions of the Earth, Moon, and Sun and their observable effects.
  • Identify the orbital parameters that affect the apparent motion of celestial bodies.
$2.00
Cell Type Differences Worksheet for Grade 9 Science | BC Standards

Cell Type Differences Worksheet for Grade 9 Science | BC Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Compare and contrast prokaryotic and eukaryotic cells in terms of structure and function.
  • Identify key components unique to each cell type and explain their roles.
  • Understand how cellular organization affects biological capabilities and evolution.
$2.00
Grade 9 Science | Chemical Bonding Worksheet & Answer Key for NGSS Standards

Grade 9 Science | Chemical Bonding Worksheet & Answer Key for NGSS Standards

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand the different types of chemical bonds and their properties.
  • Explain how Lewis structures illustrate molecular bonding.
  • Relate atomic electron configurations to macroscopic properties such as melting point and solubility.
$2.00
Grade 9 Science | Energy Changes Worksheet (PDF + Answer Key) – NGSS Aligned

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

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand the concept of energy changes during chemical reactions, including endothermic and exothermic processes.
  • Interpret energy diagrams to relate molecular interactions to observable temperature and phase changes.
  • Identify and describe the role of bond breaking and formation in energy changes.
$2.00
9th Grade Science | Variation Mechanisms Worksheet & Answer Key (Printable PDF)

9th Grade Science | Variation Mechanisms Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Identify different mechanisms that generate heritable genetic variation.
  • Explain how mutations, recombination, and assortment contribute to diversity.
  • Connect molecular changes to phenotype variations and population genetics.
$2.00
Grade 9 Science | Molecules and Lattices Worksheet & Answer Key (NGSS Standards)

Grade 9 Science | Molecules and Lattices Worksheet & Answer Key (NGSS Standards)

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand the different types of particle arrangements in solids, including ionic and covalent lattices.
  • Explain how the structure of molecules and lattices influences properties such as melting point, electrical conductivity, and solubility.
  • Describe the distinctions between ionic solids and molecular solids based on their organization and electrical forces.
$2.00
Grade 9 Science | Center Stability Worksheet (PDF + Answer Key) NGSS Aligned

Grade 9 Science | Center Stability Worksheet (PDF + Answer Key) NGSS Aligned

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand the concept of center of mass and how it affects an object's stability.
  • Apply torque and equilibrium principles to analyze static systems.
  • Calculate the moments and tipping thresholds for various rigid bodies.
$2.00
Grade 9 Science | Reaction Rates Worksheet & Answer Key (NGSS-Aligned)

Grade 9 Science | Reaction Rates Worksheet & Answer Key (NGSS-Aligned)

Lumora LearningCreated byLumora Learning
ScienceGrade 9

Learning Objectives

  • Understand how collision frequency, activation energy, and reaction pathways influence reaction rates.
  • Describe how temperature, concentration, and catalysts modify energy distributions and affect reaction speed.
  • Explain the concepts of rate laws and reaction order through real-world examples.
$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.