Grade 9 Science Worksheets
6,485 worksheets
Friction and Drag Worksheet | Grade 9 Science | Alberta Standards
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
Mineral Properties Worksheet for Grade 9 Science | Ontario Standards
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
Simple Machines Worksheet for Grade 9 Science | Alberta Standards
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
Mass Conservation Worksheet | Science Practice for Grade 9 Alberta Standards
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
Grade 9 Science | Planetary Layers Worksheet (PDF) – Ontario Standard
Learning Objectives
- Understand the structure and composition of Earth's concentric layers: crust, mantle, and core.
- Explain the differences between the lithosphere and asthenosphere in mechanical behavior.
- Describe how variations in density, temperature, and pressure with depth influence material phases and planetary processes.
$2.00
Grade 9 Science | Nutrient Cycling Worksheet (Answer Key & Rubric) NGSS Aligned
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
Grade 9 Science | Speciation Processes Worksheet & Answer Key (NGSS Aligned)
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 | Energy Conservation Worksheet & Answer Key (NGSS-Aligned)
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 | Natural Hazards Worksheet (Answer Key & Rubric) NGSS Aligned
Learning Objectives
- Understand the key processes and indicators used to assess natural hazards.
- Analyze spatial patterns and triggering mechanisms of various natural hazard events.
- Evaluate the impacts of natural hazards on human systems and ecological landscapes.
$2.00
Grade 9 Science | Surface Processes Worksheet & Answer Key (NGSS-Aligned)
Learning Objectives
- Understand different surface processes and their roles in shaping the Earth's surface.
- Analyze the factors that influence the rates and patterns of geomorphic changes.
- Apply knowledge of weathering, mass wasting, and sediment transport to real-world landform examples.
$2.00
Grade 9 Science | Tectonic Forces Worksheet & Answer Key (NGSS Aligned)
Learning Objectives
- Explain the processes of seafloor spreading, subduction, volcanic arc formation, and mountain uplift.
- Describe how Earth's internal processes influence surface features and topography.
- Interpret geologic cross-sections and seafloor magnetic anomaly patterns as evidence for plate tectonics.
$2.00
Grade 9 Science | Framing Constraints Worksheet & Answer Key (NGSS-Aligned)
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
Grade 9 Science | Land Sustainability Worksheet with Answer Key (PDF)NGSS
Learning Objectives
- Understand the interactions between land and water in ecosystems and agriculture.
- Identify sustainable practices such as soil conservation, watershed management, and irrigation.
- Evaluate the impact of land-use changes on ecosystem resilience and long-term productivity.
$2.00
Grade 9 Science | Resource Choices Worksheet with Answer Key – NGSS Aligned
Learning Objectives
- Analyze various energy and mineral resource options focusing on sustainability, environmental impact, and management.
- Compare life-cycle trade-offs, including extraction impacts, water use, land disturbance, and emissions for different resource types.
- Evaluate economic costs, supply constraints, and remediation practices to assess sustainable use of finite and renewable resources.
$2.00
Grade 9 Science – System Interactions Worksheet (Answer Key) | Ontario Standard
Learning Objectives
- Analyze how body systems interact to maintain homeostasis and support survival.
- Understand feedback mechanisms, set points, and system regulation processes.
- Describe examples of thermoregulation, acid-base balance, and stress responses.
$2.00
Grade 9 Science Worksheets | Chemical Changes & Reactions (PDF)
Learning Objectives
- Understand the definition and characteristics of chemical change.
- Identify common indicators and evidence of chemical reactions.
- Distinguish between physical and chemical transformations at the microscopic level.
$2.00
Grade 9 Science | Signal Encoding Worksheet & Answer Key for NGSS Alignment
Learning Objectives
- Explain how modulation techniques encode information onto carrier waves.
- Compare pulse-code modulation and amplitude modulation in terms of bandwidth, fidelity, and noise susceptibility.
- Identify practical applications of different encoding schemes in communication channels.
$2.00
Grade 9 Science | Electromagnetic Radiation Worksheet (Answer Key + Rubric)
Learning Objectives
- Understand the wave and photon descriptions of electromagnetic signals across the spectrum.
- Relate frequency to photon energy and their interactions with matter.
- Identify characteristic phenomena such as atomic emission and absorption lines, and spectral attenuation.
$2.00
Grade 9 Science | Heat Quantification Worksheet PDF with Answer Key (NGSS Aligned)
Learning Objectives
- Understand and explain the concepts of heat transfer mechanisms: conduction, convection, and radiation.
- Calculate thermal energy transfer using specific heat capacity, mass, and temperature change in different scenarios.
- Interpret sign conventions related to heat flow and energy changes in isolated and open systems.
$2.00
Grade 9 Science | Power Analysis Worksheet & Answer Key – NGSS-Aligned
Learning Objectives
- Understand the concept of power and its distinction from energy.
- Apply methods to calculate energy demand and system performance over time.
- Evaluate the efficiency and effectiveness of various energy systems and technologies.
$2.00
Grade 9 Science | Dynamic Systems Worksheet (Printable PDF + Answer Key)
Learning Objectives
- Understand how to represent and analyze systems that change over time using time-series data.
- Describe how difference equations and phase diagrams are used to model transient and steady-state behaviors.
- Identify feedback loops, rates, and equilibrium concepts from empirical temporal data.
$2.00
Grade 9 Science | Spheres Connectivity Worksheet (Printable PDF + Answer Key)
Learning Objectives
- Understand the interactions among the geosphere, hydrosphere, atmosphere, and biosphere through conceptual models.
- Identify material and energy exchanges within Earth systems such as nutrient transport and gas fluxes.
- Explain how spatial schematics and causal chains help interpret environmental phenomena.
$2.00
Grade 9 Science | Chemical Bonding Worksheet & Answer Key for NGSS Standards
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
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
Grade 9 Science | Molecules and Lattices Worksheet & Answer Key (NGSS Standards)
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 | Reaction Rates Worksheet & Answer Key (NGSS-Aligned)
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
Grade 9 Science | Reaction Stoichiometry Worksheet PDF with Answer Key
Learning Objectives
- Understand the concept of molar relationships in chemical reactions.
- Apply conservation of mass to balanced chemical equations.
- Calculate reactant and product quantities using molar mass conversions.
$2.00
Grade 9 Science | Cell Architecture Worksheet with Answer Key (PDF)
Learning Objectives
- Understand how nucleic acid sequences determine amino acid chains and protein structures.
- Connect molecular coding and folding to the architecture and function of cellular organelles.
- Identify examples of proteins that influence cell function, such as hemoglobin and membrane transport proteins.
$2.00
Grade 9 Science | Cellular Metabolism Worksheet & Answer Key (PDF)
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 | Integrated Physiology Worksheet (Answer Key) NGSS Aligned
Learning Objectives
- Explain how molecular interactions influence cellular functions within organ systems.
- Link genetic variations to specific organ system dysfunctions in clinical scenarios.
- Interpret biochemical assays, histological data, and organ performance metrics to analyze organism health.
$2.00
Grade 9 Science | Trophic Dynamics Worksheet (Answer Key) – NGSS Aligned
Learning Objectives
- Understand the flow of energy through different trophic levels in an ecosystem.
- Describe the structure of food webs and the significance of biomass distribution.
- Interpret ecological efficiency and the quantification of energy loss across trophic levels.
$2.00
Grade 9 Science | Human Impacts on Ecosystems Worksheet (Answer Key) NGSS-Aligned
Learning Objectives
- Analyze how land-use change, invasive species, pollution, and resource extraction affect biodiversity and ecosystem functioning.
- Interpret empirical data from case studies to evaluate conservation approaches and trade-offs.
- Assess the socioecological implications of environmental impacts and mitigation strategies.
$2.00
Grade 9 Science | Energy Transfer Worksheet (Ontario Standards) – PDF
Learning Objectives
- Explain the sources of energy within Earth's systems, including solar radiation and geothermal heat
- Describe how energy transfer occurs through conduction, convection, and radiation
- Analyze how energy gradients influence atmospheric and oceanic circulation and geological processes
$2.00
Grade 9 Science | Molecular Regulation Worksheet (NGSS-Aligned + Answer Key)
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
Grade 9 Science | Center Stability Worksheet (PDF + Answer Key) NGSS Aligned
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 | Momentum Conservation Worksheet with Answer Key (PDF)
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 | Newtonian Motion Worksheet (PDF + Answer Key Included)
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 | Force Laws Worksheet with Answer Key for NGSS Alignment
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 | Collision Safety Worksheet (PDF + Answer Key) | NGSS Alignment
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
Grade 9 Science | Hydrologic Change Worksheet & Answer Key (NGSS Aligned)
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 | Rock Transformations Worksheet (Answer Key) – NGSS Aligned
Learning Objectives
- Explain the concept of the rock cycle and the processes involved in transforming rocks between igneous, sedimentary, and metamorphic forms.
- Identify the geological conditions and processes such as melting, crystallization, erosion, and metamorphism that lead to the formation of different rock types.
- Analyze how rates, pressure-temperature conditions, and radiometric dating constrain the sequencing of material cycling in Earth's crust.
$2.00
Celestial Motions Worksheet for Grade 9 Science | Ontario Standards
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
9th Grade Science | Surface Processes Printable Worksheet & Answer Key
Learning Objectives
- Understand the key surface processes that shape the Earth's landscape.
- Analyze how climate, relief, and lithology influence surface modification.
- Describe the role of weathering, mass wasting, and sediment transport in geomorphology.
$2.00
Electrical Quantities Worksheet - Science Grade 9 | Alberta Standards
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 | Natural Hazards Worksheet & Answer Key (Printable PDF)
Learning Objectives
- Identify and describe different types of natural hazards such as landslides, eruptions, tsunamis, floods, and storms.
- Understand the geologic and atmospheric indicators used to assess natural hazards.
- Interpret hazard maps, recurrence intervals, and paleoevidence to evaluate risks and resilience.
$2.00
Grade 9 Science Worksheet | Producers & Consumers NGSS + Answer Key (PDF)
Learning Objectives
- Understand the roles of producers and consumers in ecosystems.
- Analyze how photosynthesis and cellular respiration transfer energy and cycle carbon and oxygen.
- Evaluate the impact of net primary productivity and biomass accumulation in autotrophs.
$2.00
Genes and Proteins Worksheet for Grade 9 Science | Alberta Standards
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
Renewable Integration Worksheet | Science Grade 9 | Alberta Standards
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
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.