Grade 9 Science Worksheets
6,485 worksheets
Cell Architecture Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Explain how nucleic acid sequences determine amino acid chains and protein structures.
- Connect molecular coding and folding to organelle architecture such as ribosomes, endoplasmic reticulum, and mitochondria.
- Describe the relationship between macromolecular structure and cellular functions like transport and catalysis.
$5.00
Earth Interior Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Describe the layered structure of Earth's interior based on seismic, gravity, and heat-flow evidence.
- Interpret the behavior of P-waves and S-waves to understand Earth's internal composition.
- Explain how density contrasts and temperature gradients drive mantle convection and material cycling.
$5.00
Planetary Origins Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Describe the formation process of the solar system from a protoplanetary disk.
- Identify evidence supporting planetary formation theories, including meteorite composition and radiometric dating.
- Explain the differences between inner rocky planets and outer gas giants based on planetary differentiation and volatile content.
$5.00
Cosmic Timescales Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Understand the observational evidence used to determine the age and expansion of the universe.
- Identify key concepts such as redshift, cosmic microwave background, and primordial abundances.
- Explain how different measurements constrain the universe's timeline from seconds to billions of years.
$5.00
Decision Modeling in Climate Strategies Worksheet | NGSS Grade 9 Science
Learning Objectives
- Understand how systems and decision models evaluate mitigation and adaptation strategies for climate change.
- Analyze trade-offs among environmental, social, and economic variables using scenario analysis and assessment approaches.
- Apply concepts of cost-benefit analysis and lifecycle assessment to policy decisions such as carbon pricing and land-use planning.
$5.00
Hazard Assessment Worksheet | NGSS Grade 9 Science
Learning Objectives
- Analyze the risk factors associated with natural hazards such as earthquakes, volcanic eruptions, tsunamis, hurricanes, and floods.
- Evaluate historical records and probabilistic models to assess community and infrastructure vulnerability.
- Understand hazard mapping, return-period data, and mitigation strategies to inform risk assessment.
$5.00
Stellar Evolution Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Describe the stages of stellar evolution from star formation to end states.
- Interpret Hertzsprung-Russell diagrams and spectral classifications.
- Explain nucleosynthesis processes in stars and their contribution to element formation.
$5.00
Computational Modeling Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Understand the application of mathematical and computational methods in system modeling.
- Develop skills to formulate models, estimate parameters, and tune variables using algebraic and computational tools.
- Analyze system performance through objective functions and sensitivity analysis.
$5.00
Comparative Evaluation Worksheet | NGSS Science | Grade 9 Assessment
Learning Objectives
- Understand the criteria used for evaluating design solutions quantitatively and qualitatively.
- Apply decision frameworks and matrices to compare performance, costs, and environmental impacts.
- Analyze trade-offs and uncertainties in selecting optimal system designs.
$5.00
Tectonic Forces Worksheet | NGSS Science Assessment Grade 9
Learning Objectives
- Explain the processes of seafloor spreading, subduction, and volcanic arc formation.
- Describe how mantle convection influences surface features and tectonic activity.
- Interpret geologic cross-sections and magnetic anomaly patterns to understand plate movements.
$5.00
Rock Cycle Processes Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Describe the processes involved in the transformation of rocks within the rock cycle.
- Identify examples of igneous, sedimentary, and metamorphic rocks and their formation pathways.
- Explain the environmental conditions, such as pressure and temperature, that influence rock transformation.
$5.00
Reaction Design Worksheet | NGSS Grade 9 Science Practice PDF
Learning Objectives
- Understand how temperature, pressure, concentration, and catalysts influence chemical reactions.
- Apply principles of equilibrium and kinetics to predict reaction outcomes.
- Analyze how reaction conditions affect yield, selectivity, and side reactions.
$5.00
Resource Choices and Sustainability Worksheet | NGSS Grade 9 Science
Learning Objectives
- Compare different energy and mineral resource options based on environmental, economic, and social impacts.
- Analyze trade-offs involved in resource extraction, use, and remediation.
- Evaluate the sustainability of various resource choices within regional and long-term contexts.
$5.00
Land and Water Sustainability Worksheet | NGSS Grade 9 Science Practice
Learning Objectives
- Understand the interactions between land use practices and water resources.
- Identify indicators of ecosystem resilience and long-term land productivity.
- Evaluate the impacts of land management strategies such as irrigation, terracing, and urban sprawl.
$5.00
Energy Systems and Decarbonization Worksheet | NGSS Grade 9 Science
Learning Objectives
- Understand the transition processes in energy systems towards decarbonization.
- Analyze the role of renewable energy, storage, and carbon capture in reducing greenhouse gases.
- Evaluate trade-offs between reliability, cost, and environmental impact in energy planning.
$5.00
Transmission Tradeoffs Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Understand the tradeoffs involved in digital and analog communication systems.
- Analyze how bandwidth constraints and noise affect signal quality and transmission capacity.
- Evaluate the role of sampling, error correction, and modulation techniques in reliable data transfer.
$5.00
Reaction Rates Worksheet | NGSS Grade 9 Science G8 Assessment PDF
Learning Objectives
- Understand how collision frequency, activation energy, and reaction pathways influence reaction rate.
- Explain how temperature, concentration, and catalysts modify energy distributions and reaction speeds.
- Describe rate laws and reaction order with quantitative examples such as bromine-iodide kinetics.
Free
Reaction Stoichiometry Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Understand how conservation of mass applies to balanced chemical equations.
- Relate moles, mass, and particle counts through molar mass conversions.
- Perform limiting reagent analysis and calculate theoretical yields.
$5.00
Momentum Conservation Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Understand the principle of conservation of linear momentum in isolated systems.
- Differentiate between elastic and inelastic collisions through quantitative analysis.
- Calculate total momentum before and after collisions using vector sums.
$5.00
Surface Processes Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Understand how atmospheric and hydrologic forces influence geomorphic change.
- Identify and describe physical and chemical weathering processes.
- Explain the role of mass wasting and sediment transport in shaping landforms.
$5.00
Wave Properties Worksheet | NGSS Grade 9 Science Practice Assessment
Learning Objectives
- Describe the key properties of waves: amplitude, frequency, wavelength, and phase.
- Explain how wave speed relates to frequency and wavelength using mathematical formulas.
- Differentiate between transverse and longitudinal waves with examples such as string waves, sound, and water waves.
$5.00
Chemical Bonding Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Describe the different types of chemical bonds: ionic, covalent, and metallic.
- Explain how electron sharing and transfer influence molecular structure and properties.
- Relate atomic electron configurations to macroscopic properties such as melting point and conductivity.
$5.00
Electromagnetic Radiation Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Explain the wave and photon models of electromagnetic radiation and their relationship to frequency and energy.
- Identify characteristic phenomena such as atomic emission and absorption lines, and relate them to energy–frequency relationships.
- Evaluate how wavelength influences transmission, scattering, and detector response across the electromagnetic spectrum.
$5.00
Human Influence on Climate Worksheet | NGSS Grade 9 Science PDF
Learning Objectives
- Analyze historical atmospheric CO₂ records, land-use change, and temperature trends to understand human impact on climate.
- Identify evidence of anthropogenic effects such as fossil fuel combustion, deforestation, and urbanization.
- Explain how satellite data and the Keeling Curve illustrate changes in biosphere and hydrosphere.
$5.00
Molecules and Lattices Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Understand how the arrangement of particles affects the properties of different types of solids.
- Identify the differences between ionic lattices, covalent networks, and molecular solids based on their structure and properties.
- Analyze how electrical forces influence melting point, conductivity, hardness, and solubility in various materials.
$5.00
Energy Changes in Chemical Reactions Worksheet | Grade 9 Science NGSS
Learning Objectives
- Understand how potential and kinetic energy change during chemical reactions.
- Differentiate between endothermic and exothermic processes.
- Interpret energy diagrams and relate them to molecular interactions.
$5.00
9th Grade Science | Argument Structures Worksheet (Printable PDF + Answer Key)
Learning Objectives
- Understand how to construct scientific arguments using claim-evidence-reasoning frameworks.
- Identify coherence, relevance, and evaluation of alternative explanations in scientific reasoning.
- Explain the role of quantitative evidence and model comparisons in strengthening arguments.
$2.00
9th Grade Science | Communicating Uncertainty Worksheet (Printable PDF + Answer Key)
Learning Objectives
- Understand the conventions for conveying quantitative uncertainty in scientific communication.
- Identify different methods such as interval estimates, effect sizes, and likelihood statements.
- Interpret visualizations that portray variability and uncertainty in data.
$2.00
9th Grade Science | Unit Analysis Worksheet (Printable PDF + Answer Key)
Learning Objectives
- Understand principles of dimensional analysis and unit consistency in physical calculations.
- Apply unit-checking techniques to identify algebraic errors and validate models.
- Explore how units constrain possible forms of relationships and support estimation strategies.
$2.00
Grade 9 Science | Simulated Predictions Worksheet (Printable PDF + Answer Key)
Learning Objectives
- Understand the role of computational simulations and models in scientific predictions.
- Explain the significance of parameter sensitivity and ensemble approaches in forecasts.
- Describe how visualizations depict uncertainty and how outputs are validated against data.
$2.00
9th Grade Science | Scale and Proportion Worksheet (Printable PDF + Answer Key)
Learning Objectives
- Understand the principles of scaling laws and dimensional similarity.
- Apply proportional reasoning in constructing models and interpreting data across scales.
- Recognize how nonlinear and scale-dependent effects influence model validity.
$2.00
Grade 9 Science | Model-Data Consistency Analysis Worksheet (Printable PDF + Answer Key)
Learning Objectives
- Understand quantitative and visual methods for assessing model fit
- Identify patterns indicating divergence or heteroscedasticity
- Interpret residual plots and goodness-of-fit measures
$2.00
Grade 9 Science | Organelle Function Worksheet (Printable PDF + Answer Key)
Learning Objectives
- Describe the roles of key organelles such as mitochondria, chloroplasts, endoplasmic reticulum, and lysosomes in cellular processes.
- Explain how the internal structures of organelles, like folded membranes and stacks, relate to their functions.
- Analyze how compartmentation within cells enhances metabolic efficiency and pathway integration.
$2.00
9th Grade Science | Graphical Literacy Worksheet (Printable PDF + Answer Key)
Learning Objectives
- Interpret and analyze various types of graphical representations such as scatterplots, histograms, and line graphs.
- Construct appropriate graphs with correct axis scaling and labeling based on data sets.
- Evaluate visual patterns, outliers, and trends to inform model selection and understanding of data relationships.
$2.00
Grade 9 Science | Sources of Error in Scientific Studies Worksheet (Printable PDF + Answer Key)
Learning Objectives
- Identify common sources of systematic and random errors in scientific research.
- Describe methods used to detect and quantify errors, including cross-method comparison and residual analysis.
- Understand how error contributes to overall uncertainty and interpret robustness of conclusions.
$2.00
Grade 9 Science | Evidence Chains Worksheet (Printable PDF + Answer Key)
Learning Objectives
- Understand the components and structure of evidence-based reasoning in science.
- Identify how empirical observations, analyses, and models connect to scientific claims.
- Evaluate the sufficiency, consistency, and alternatives in evidence chains.
$2.00
Grade 9 Science | Mountain Building Worksheet (Printable PDF + Answer Key)
Learning Objectives
- Explain the processes involved in mountain formation, including crustal shortening and uplift.
- Identify the geological evidence supporting long-term landscape evolution.
- Describe how mountain-building episodes influence regional climate and erosion patterns.
$2.00
Grade 9 Science | Hydrologic Fluxes Worksheet (Printable PDF + Answer Key)
Learning Objectives
- Understand and quantify surface and subsurface water flows using water-budget frameworks
- Relate precipitation, evapotranspiration, and human withdrawals to streamflow and aquifer health
- Analyze the impact of altered hydrologic fluxes on geomorphic processes
$2.00
Grade 9 Science | Stellar Evolution Worksheet & Answer Key (NGSS Aligned)
Learning Objectives
- Describe the main stages of stellar evolution from star formation to terminal outcomes.
- Understand how Hertzsprung-Russell diagrams depict star properties and evolution.
- Explain the processes of nucleosynthesis contributing to element formation in stars.
$2.00
9th Grade Science | Control Criteria Worksheet (Printable PDF + Answer Key)
Learning Objectives
- Understand the key criteria used to establish control and comparability in causal inference.
- Identify how variable isolation, replication, baseline characterization, and reference conditions influence causal interpretation.
- Explain the impact of residual confounding and uncontrolled variation on the strength of causal claims.
$2.00
Frictional Forces Worksheet for Grade 9 Science | BC Standard Practice
Learning Objectives
- Explain how friction opposes relative motion between surfaces and converts kinetic energy into thermal energy.
- Differentiate between static and kinetic friction and their roles in motion.
- Describe how surface properties and normal force influence the magnitude of friction.
$2.00
Grade 9 Science | Phylogenetic Trees Worksheet – NGSS Aligned (PDF + Answer Key)
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 | Variation Mechanisms Worksheet & Answer Key (NGSS Aligned)
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)
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 Resource Impacts Worksheet – Ontario Standards (PDF)
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 | Classification Overview Worksheet (PDF) – Ontario Standards
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 | Understanding Chemical Properties Worksheet (PDF)
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 | Watershed Change Worksheet (PDF) – Ontario Standards
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
About Grade 9 Science Worksheets
Find Science worksheets built for Grade 9. All 6,485 cover core skills, practice, and review, each an instant PDF download.
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.