Grade 9 Science Worksheets
6,485 worksheets
Grade 9 Science – Molecular Bonding Worksheet (Worksheet + Answer Key) – Alberta Standard
Learning Objectives
- Identify and distinguish between ionic, covalent, and metallic bonding in atoms and molecules.
- Describe the properties and applications of different bonding types in industries and the environment.
- Understand how electron interactions influence compound formation and macroscopic characteristics.
$3.00
Grade 9 Science – Chemical Reactions Worksheet (PDF) – Alberta Standards
Learning Objectives
- Describe the process of chemical reactions and how atoms rearrange to form new products.
- Identify common types of chemical reactions such as combustion, synthesis, and decomposition.
- Write and interpret symbolic chemical equations for various reactions.
$3.00
Grade 9 Science | Cell Components Worksheet (AP Science 1) PDF
Learning Objectives
- Identify the major components of a cell and their functions.
- Explain how cell membrane structure influences transport and communication.
- Describe the roles of organelles in cellular metabolism and support.
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Grade 9 Science | Motors and Generators Practice Worksheet (PDF)
Learning Objectives
- Describe the basic principles of how electric motors and generators operate.
- Identify different types of motors and their applications.
- Match performance characteristics of electromagnetic devices to load requirements.
$3.00
Grade 9 Science – Electrical Applications(Worksheet + Answer Key) | Alberta Standards
Learning Objectives
- Understand how device ratings and environmental factors influence electrical system design.
- Identify safety measures and protective devices used in electrical applications.
- Apply criteria for evaluating energy efficiency and environmental impact of electrical systems.
$3.00
Grade 9 Science – Net Force Analysis Worksheet (PDF) for Alberta Standards
Learning Objectives
- Understand how net force results from vector addition of forces acting on an object
- Predict motion changes and equilibrium conditions using net force concepts
- Analyze practical scenarios involving opposing forces such as friction and air resistance
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Grade 9 Science | Graph Interpretation Worksheet – Motion Analysis & Data (PDF)
Learning Objectives
- Understand how the slope of displacement–time, velocity–time graphs relates to motion parameters.
- Interpret area under velocity–time graphs as displacement.
- Recognize curved graphs indicating non-uniform acceleration.
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Grade 9 Science – Energy Conservation Worksheet (PDF) - Alberta Standards
Learning Objectives
- Understand the principles of mechanical energy conservation involving kinetic and potential energy.
- Identify examples of energy transfer and transformation in real-world scenarios.
- Analyze how energy transfer and dissipation by friction influence motion and speeds.
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Grade 9 Science | Energy Pathways Worksheet (AP Standard, PDF)
Learning Objectives
- Describe the process of ATP production during cellular respiration and photosynthesis.
- Explain how catabolic and anabolic reactions are coupled in energy transfer.
- Compare the roles of electron transport chains in photosynthesis and cellular respiration.
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Grade 9 Science | Simple Machines (Worksheet + Answer Key) – Alberta Standards
Learning Objectives
- Identify and describe the six types of simple machines: lever, wheel and axle, pulley, inclined plane, screw, and wedge.
- Explain how simple machines transfer force and change the direction of effort to make work easier.
- Differentiate between ideal and actual mechanical advantage in simple machines.
$3.00
Grade 9 Science – System Efficiency Worksheet (PDF) – Alberta Standards
Learning Objectives
- Understand the key factors affecting energy system efficiency, including resistive losses, power factor, and device selection.
- Identify strategies for improving electrical system performance and reducing environmental impact.
- Analyze different loss mechanisms in electrical systems and compare their significance.
$3.00
Grade 9 Science | Population Regulation Worksheet + Answer Key(NGSS-Aligned PDF)
Learning Objectives
- Understand the factors that regulate population sizes and dynamics.
- Analyze mathematical models such as logistic growth and predator-prey cycles.
- Evaluate human impacts on carrying capacity and population resilience.
$3.00
Grade 9 Science | Reaction Quantities Worksheet (PDF) - Alberta Standards
Learning Objectives
- Understand how to interpret coefficients in balanced chemical equations to determine reaction proportions.
- Apply mass conservation principles to real-world chemical scenarios involving reactants and products.
- Calculate predicted masses of products formed or reactants consumed based on given quantities and coefficients.
$3.00
Grade 9 Science – Inheritance Patterns Worksheet (PDF) | TEKS Standards
Learning Objectives
- Identify different inheritance patterns including Mendelian and non-Mendelian types.
- Understand how single-gene and complex traits are inherited and expressed.
- Differentiate between dominant, recessive, incomplete dominance, codominance, and other patterns.
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Grade 9 Science | Calvin Cycle Worksheet (Answer Key) – TEKS-Aligned
Learning Objectives
- Describe the steps of the Calvin cycle and their purpose in photosynthesis.
- Identify the main enzymes and molecules involved in the cycle.
- Explain how energy from ATP and NADPH is used in carbon fixation and sugar synthesis.
$3.00
Grade 9 Science | Complex Inheritance TEKS-Aligned Worksheet (PDF)
Learning Objectives
- Understand the concepts of polygenic traits, epistasis, and pleiotropy.
- Identify how variable penetrance and expressivity influence phenotype expression.
- Explain how linkage reduces independent assortment and the role of environmental factors.
$3.00
Grade 9 Science | Lunar Phases Worksheet (PDF) – BC Standards & Concepts
Learning Objectives
- Explain the causes of different lunar phases based on the positions of the Sun, Earth, and Moon.
- Identify and sequence the lunar phases in their proper order.
- Describe how lunar phases influence ocean tides and nocturnal illumination.
$3.00
Grade 9 Science | Energy Molecules Worksheet (Worksheet + Answer Key) – TEKS Standards
Learning Objectives
- Understand the structure and function of ATP as the cell's energy currency.
- Describe the process of ATP hydrolysis and its role in releasing energy.
- Explain how ATP is regenerated through phosphorylation in biochemical pathways.
$3.00
Grade 9 Science – Cardiopulmonary Interaction Worksheet (Answer Key) | TEKS Aligned
Learning Objectives
- Understand how the cardiovascular and respiratory systems work together to deliver oxygen and remove carbon dioxide.
- Identify the roles of chemoreceptors in regulating breathing and circulation.
- Describe the physiological responses to changes in blood gas levels.
$3.00
Grade 9 Science | Microscopy Analysis Worksheet (Answer Key) – TEKS-Aligned
Learning Objectives
- Understand how to interpret microscopy images and data.
- Identify features such as scale bars, staining patterns, and contrast techniques in images.
- Explain the differences between electron and fluorescence microscopy.
$3.00
Grade 9 Science | Climate Trends Worksheet (AP Standards & Data Analysis)
Learning Objectives
- Analyze spatial and temporal climate datasets to identify trends and anomalies.
- Apply statistical methods such as trend analysis, composite mapping, and signal-to-noise reasoning.
- Interpret potential climate change drivers by comparing datasets with forcings like greenhouse gases and volcanic aerosols.
$3.00
Grade 9 Science | Climate Drivers Worksheet (PDF) – BC Standards & Concepts
Learning Objectives
- Understand how Earth's atmosphere, hydrosphere, cryosphere, lithosphere, and biosphere interact to influence climate.
- Identify the main drivers of climate variability and change, including solar energy and internal heat.
- Explain the role of energy balance, greenhouse gases, aerosols, ocean circulation, and land surface properties in shaping regional climates.
$3.00
Grade 9 Science – Mass Conservation Worksheet (Ontario) – Science (PDF)
Learning Objectives
- Understand the principle of conservation of mass in closed systems during chemical reactions.
- Explain how total mass of reactants equals total mass of products in chemical processes.
- Differentiate between apparent mass changes caused by gas exchange and true mass conservation.
$3.00
Grade 9 Science – Frictional Forces Worksheet (PDF) for BC Standards
Learning Objectives
- Understand the concept of friction as a force opposing motion between surfaces.
- Identify the differences between static and kinetic friction.
- Explain how surface properties and normal force affect frictional magnitude.
$3.00
Grade 9 Science | Inclined Planes Worksheet + Answer Key – BC Standards (PDF)
Learning Objectives
- Understand how inclined planes decompose gravitational force into components
- Calculate the mechanical advantage of inclined planes
- Analyze how friction and slope angle affect motion and energy transfer
$3.00
Grade 9 Science | Organ Systems Worksheet (PDF) – TEKS Aligned Practice
Learning Objectives
- Describe the major organ systems and their functions.
- Explain how organ systems collaborate to maintain physiological stability.
- Identify cross-system communication mechanisms involved in homeostasis.
$3.00
Grade 9 Science | Crystal Lattices Worksheet (Answer Key) - BC Standards
Learning Objectives
- Explain the concept of crystal lattices and their atomic arrangements.
- Identify different types of lattice structures such as ionic, metallic, and covalent networks.
- Describe how lattice types influence material properties like hardness, conductivity, and melting points.
$3.00
Grade 9 Science – Comparative Cell Structures Worksheet (Teacher & Student Edition) (PDF)
Learning Objectives
- Understand how organelle form and abundance vary across different cell types and taxa.
- Identify examples of structural adaptations in cells and their functions.
- Relate cellular morphology to physiological roles and ecological strategies.
$3.00
Grade 9 Science | Cell Theory Worksheet (Answer Key) – TEKS-Aligned
Learning Objectives
- Describe the main ideas of cell theory including the role of cells in all living organisms.
- Differentiate between unicellular and multicellular organisms and understand cell specialization.
- Compare prokaryotic and eukaryotic cell structures and explain how cellular organization underlies organism functions.
$3.00
Grade 9 Science | Tissue Structure Worksheet (Worksheet + Answer Key) – TEKS Aligned
Learning Objectives
- Understand how cellular organization supports functions within various tissues.
- Identify different tissue types and their microscopic features.
- Explain the roles of epithelial, connective, muscle, and nervous tissues in organ systems.
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Grade 9 Science – Mass & Acceleration Worksheet + Answer Key | BC Standards
Learning Objectives
- Understand the relationship between mass and acceleration under a given net force.
- Distinguish between inertial mass and gravitational effects in responses to forces.
- Analyze how changes in mass affect acceleration in practical scenarios.
$3.00
Grade 9 Science | Plate Boundaries Worksheet + Answer Key – BC Standards
Learning Objectives
- Describe the three main types of plate boundaries: divergent, convergent, and transform.
- Explain the geological processes associated with each boundary type.
- Identify landforms and landmass features resulting from different boundary interactions.
$3.00
Grade 9 Science | Dynamic Systems Worksheet (AP Standard + Answer Key) (PDF)
Learning Objectives
- Describe how temporal data reflects rates, feedback loops, and equilibrium in dynamic systems.
- Interpret time-series data and simple phase diagrams to identify transient and steady-state behaviors.
- Understand how causal structures manifest in temporal patterns and how models constrain data interpretation.
$3.00
Grade 9 Science | Control Criteria Worksheet + Answer Key (AP Standards)
Learning Objectives
- Define the criteria for establishing control and comparability in causal inference.
- Understand how variable isolation, replication, baseline characterization, and reference conditions influence causal claims.
- Explain how residual confounding and uncontrolled variation affect the strength of causal inferences.
$3.00
Grade 9 Science | Systems Interactions Worksheet + Answer Key (PDF)
Learning Objectives
- Understand how multiple bodies and forces interact within mechanical systems.
- Apply Newton’s laws and net force analysis to predict motion outcomes.
- Analyze energy transfer, including losses, during system events like collisions.
$3.00
Grade 9 Science | Communicating Scientific Uncertainty Worksheet (AP Standard)
Learning Objectives
- Understand the conventions for conveying quantitative uncertainty and confidence in scientific reports.
- Identify different methods for representing variability, effect sizes, and likelihoods.
- Evaluate how assumptions and limitations affect interpretations of models and data.
$3.00
Grade 9 Science | Thermoregulation Worksheet (Worksheet + Answer Key) – TEKS Standard
Learning Objectives
- Describe the biological systems involved in thermoregulation.
- Explain how vascular, muscular, and behavioral responses work together to maintain body temperature.
- Identify the role of hypothalamic set points and thermoreceptors in regulating heat gain and loss.
$3.00
Grade 9 Science | Feedback Principles Worksheet – TEKS Aligned (PDF)
Learning Objectives
- Understand the components and functions of homeostatic feedback loops.
- Distinguish between negative and positive feedback mechanisms.
- Identify the signaling pathways and transport processes involved in feedback loops.
$3.00
Grade 9 Science | Scale and Proportion AP Worksheet (PDF) for Advanced Placement
Learning Objectives
- Understand scaling laws and how they relate to models and data across different spatial and temporal scales.
- Explain how nonlinearity and scale-dependent effects influence predictions when extending small-scale observations to larger systems.
- Apply proportional reasoning to examples such as period scaling, diffusion distances, and biomass relationships.
$3.00
Grade 9 Science | Representation Models Worksheet (AP Standard) – PDF
Learning Objectives
- Identify different types of models used in science, including mathematical, graphical, schematic, and computational representations.
- Understand how models are selected based on fidelity, simplicity, and predictive ability.
- Explain how mapping model components to measurements helps interpret system behaviors.
$3.00
Grade 9 Science | Mass Measurement Worksheet (PDF) – BC Standards & Practice
Learning Objectives
- Explain how measured mass changes during chemical reactions reflect the conservation of atoms within system boundaries.
- Identify causes of apparent mass loss in open systems involving gaseous products.
- Describe methods to account for all phases and containment to verify mass conservation.
$3.00
Grade 9 Science | Mass Conservation Worksheet + Answer Key (PDF)
Learning Objectives
- Explain the law of conservation of mass and its significance in chemistry.
- Identify how balanced chemical equations reflect mass conservation.
- Relate measurable mass changes to molecular rearrangements during reactions.
$3.00
Grade 9 Science | Celestial Motions Worksheet (Ontario) – Science (PDF)
Learning Objectives
- Describe the orbital motions of Earth, Moon, and Sun and relate them to observable cycles.
- Explain how Earth's rotation causes day-night cycles and distinguish between sidereal and solar periods.
- Connect gravitational interactions among Earth, Moon, and Sun to tidal phenomena and orbital stability.
$3.00
Grade 9 Science | Atomic Structure Worksheet (Answer Key) aligned with NGSS
Learning Objectives
- Describe the fundamental particles of atoms: protons, neutrons, and electrons.
- Explain electron configurations and their significance in atomic behavior.
- Organize elements using the periodic table based on valence electrons.
$3.00
Grade 9 Science | Cell Architecture Worksheet (PDF) – NGSS Aligned
Learning Objectives
- Explain how nucleic acid sequences determine amino acid chains and protein structures.
- Connect molecular code and folding to organelle architecture such as ribosomes, endoplasmic reticulum, and mitochondria.
- Identify examples of proteins like hemoglobin and membrane transport proteins and their structures-function relationships.
$3.00
Grade 9 Science | Integrated Physiology Worksheet (Answer Key) - NGSS Aligned
Learning Objectives
- Understand how molecular and cellular interactions influence organ system function.
- Link genetic variations to physiological responses and clinical outcomes.
- Interpret biochemical, histological, and organ performance data related to organism health.
$3.00
Grade 9 Science | Reaction Rates Worksheet + Answer Key (NGSS Aligned)
Learning Objectives
- Understand how collision frequency, activation energy, and reaction pathways influence reaction rates.
- Explain how temperature, concentration, and catalysts modify energy distributions and affect reaction speed.
- Describe rate laws, reaction order, and how these relate quantitatively to reaction mechanisms.
$3.00
Grade 9 Science | Reaction Essentials Worksheet (PDF) – BC Standards & Practice
Learning Objectives
- Understand how reactants transform into products during chemical reactions.
- Learn to represent reactions using chemical formulas and symbolic equations.
- Identify the roles of bond breaking and forming in energy changes during reactions.
$3.00
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.
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