Grade 9 Science Worksheets
6,485 worksheets
Grade 9 Science | Evolution Basics Worksheet (Worksheet + Answer Key, PDF)
Learning Objectives
- Define evolution and identify its main mechanisms.
- Explain how natural selection, genetic drift, mutation, and gene flow influence genetic change over time.
- Analyze examples of how populations adapt and diverge through evolutionary processes.
$3.00
Grade 9 Science | Work and Machines Worksheet (PDF) – Alberta Standard
Learning Objectives
- Explain the concept of work as energy transfer by a force acting through a distance.
- Identify and describe simple machines such as levers, pulleys, and inclined ramps and their functions.
- Analyze the relationship between force, distance, and mechanical advantage in machine operation.
$3.00
Grade 9 Science – Force Basics Worksheet (Ontario) (PDF)
Learning Objectives
- Distinguish between contact and non-contact forces with examples and descriptions.
- Identify the direction, point of application, and relative magnitude of different forces.
- Recognize action–reaction pairs and understand their roles in interactions.
$3.00
Grade 9 Science | Resource Impacts Worksheet (AP Standard) – Science 1 (PDF)
Learning Objectives
- Interpret resource trends using indicators such as extraction rates, groundwater levels, and land-use changes.
- Evaluate the consequences of resource depletion, including subsidence and soil erosion.
- Assess sustainability implications through dataset comparisons and ratio-based measures.
$3.00
Grade 9 Science – Newton Second Law Worksheet (Ontario) Practice Set (PDF)
Learning Objectives
- Understand the relationship between net force, mass, and acceleration as described by Newton's second law.
- Differentiate between mass and weight and understand their units and implications.
- Apply the principles of Newton's second law to analyze real-world problems involving force and motion.
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Grade 9 Science | Signal Integration Worksheet (Answer Key) – BC Standards
Learning Objectives
- Describe how the nervous and endocrine systems coordinate responses to stimuli.
- Explain the roles of nerve impulses and hormones in maintaining homeostasis.
- Identify examples of rapid neural responses and longer-term hormonal effects.
$3.00
Grade 9 Science | Membrane Transport Worksheet (Ontario Standard) (PDF)
Learning Objectives
- Describe mechanisms of molecular movement across cellular membranes such as diffusion, osmosis, and active transport.
- Explain the role of electrochemical gradients and membrane potential in facilitating transport.
- Differentiate between paracellular and transcellular pathways in epithelial layers.
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Grade 9 Science | Enzyme Regulation Worksheet (Worksheet + Answer Key) – TEKS Aligned
Learning Objectives
- Understand the mechanisms of enzyme regulation such as allosteric control, inhibition, covalent modification, and gene expression.
- Describe how environmental factors affect enzyme activity and reaction rates.
- Explain feedback inhibition and its role in metabolic pathways.
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Grade 9 Science | Metabolic Pathways Worksheet (Answer Key) Aligned with TEKS
Learning Objectives
- Describe the differences between catabolic and anabolic pathways.
- Explain how energy is harvested or stored during metabolic reactions.
- Identify mechanisms regulating pathway activity such as feedback inhibition and substrate availability.
$3.00
Grade 9 Science – Power Distribution Worksheet (PDF) | Alberta Standard
Learning Objectives
- Understand the components and architecture of power distribution systems.
- Identify how system design supports continuous electricity supply.
- Analyze the effects of faults and regional constraints on power grid resilience.
$3.00
Grade 9 Science | Force and Acceleration Worksheet + Answer Key (PDF)
Learning Objectives
- Explain the relationship between net force, mass, and acceleration.
- Describe how the direction of force affects the acceleration of an object.
- Calculate acceleration given net force and mass using the proportional rule.
$3.00
Grade 9 Science | Glycolysis Overview Worksheet (Answer Key) – TEKS Aligned
Learning Objectives
- Describe the stepwise process of glycolysis and its key intermediates.
- Explain how ATP and NADH are produced during glycolysis.
- Identify the different fates of pyruvate under aerobic and anaerobic conditions.
$3.00
Grade 9 Science | Two-Dimensional Motion Worksheet (AP Standards) PDF
Learning Objectives
- Understand how motion in a plane can be described using vector components.
- Analyze projectile trajectories and predict range, maximum height, and time of flight.
- Translate between component equations and combined two-dimensional motion.
$3.00
Grade 9 Science – Neuroendocrine Control Worksheet with Answer Key (PDF)
Learning Objectives
- Describe how the hypothalamus interfaces with the pituitary gland to regulate hormones.
- Identify anatomical features supporting neuroendocrine signaling.
- Explain how hormonal responses influence metabolism, growth, and stress.
$3.00
Grade 9 Science | Glucose Regulation Worksheet (Worksheet + Answer Key) – TEKS Aligned
Learning Objectives
- Describe how hormonal feedback regulates blood glucose levels.
- Explain the roles of insulin and glucagon in maintaining energy balance.
- Identify the effects of insulin and glucagon on liver and muscle tissues.
$3.00
Grade 9 Science | Hydrologic Change Worksheet + Answer Key (NGSS Aligned)
Learning Objectives
- Analyze hydrologic data to understand water's role in shaping Earth's surface.
- Interpret discharge records, sediment measurements, and watershed maps.
- Examine feedback mechanisms between runoff, sediment supply, and channel morphology.
$3.00
Grade 9 Science | Organelle Roles Worksheet (PDF) – TEKS Standards Practice
Learning Objectives
- Identify major eukaryotic organelles and their functions.
- Explain how organelle structure relates to its role in the cell.
- Connect organelle functions to different tissue types in plants and animals.
$3.00
Grade 9 Science | Free Body Diagrams Worksheet (PDF) – BC Standards
Learning Objectives
- Understand what a free body diagram represents and its purpose in physics.
- Identify and sketch all external forces acting on a single object in a free body diagram.
- Calculate net force and determine the resulting acceleration from force vectors.
$3.00
Grade 9 Science | Heat Quantification Worksheet (NGSS-Aligned, PDF)
Learning Objectives
- Understand the concepts of heat transfer via conduction, convection, and radiation.
- Apply mathematical formulas involving specific heat capacity, mass, and temperature change to calculate thermal energy transfer.
- Identify sign conventions and their significance in heat flow and energy changes within closed systems.
$3.00
Grade 9 Science | Classification Overview Worksheet (PDF) – Ontario Standards
Learning Objectives
- Understand the differences between elements, compounds, and mixtures through macroscopic and compositional criteria.
- Learn the definitions of pure substances and mixtures and their typical examples.
- Use symbols and formulas to represent elements and compounds.
$3.00
Grade 9 Science | One-Dimensional Motion Worksheet (AP Standards) PDF
Learning Objectives
- Understand the relationships among displacement, velocity, and acceleration in straight-line motion.
- Interpret position–time and velocity–time graphs.
- Apply constant-acceleration equations to solve motion problems.
$3.00
Grade 9 Science – Decision Modeling in Sustainability(Answer Key) | NGSS-Aligned
Learning Objectives
- Understand how decision models incorporate economic, environmental, and social variables.
- Analyze trade-offs involved in mitigation and adaptation strategies for climate resilience.
- Evaluate policy instruments and their impacts across multiple scales using scenario analysis.
$3.00
Grade 9 Science – Measurement Fundamentals Worksheet (Answer Key) | AP Standards
Learning Objectives
- Understand the principles of metric measurement and instrument resolution.
- Recognize the importance of calibration in achieving reliable data.
- Connect raw measurements to tables and graphs for data analysis.
$3.00
Grade 9 Science | Cell Signaling Worksheet (Answer Key) – TEKS Aligned
Learning Objectives
- Describe how receptor proteins bind ligands to initiate cell signaling.
- Identify different types of cell signaling pathways and their functions.
- Explain how signal transduction pathways alter cellular responses like gene expression and metabolism.
$3.00
Grade 9 Science | Tectonic Forces Worksheet (Answer Key) – NGSS Standards
Learning Objectives
- Understand the processes involved in plate tectonics such as seafloor spreading, subduction zones, and mountain uplift.
- Identify the surface features and geological evidence associated with tectonic activity.
- Explain how mantle convection influences lithospheric deformation and faulting patterns.
$3.00
Grade 9 Science | Environmental Chemistry Worksheet (PDF)
Learning Objectives
- Understand the role of chemical change and mass conservation in environmental systems.
- Identify regional issues such as acid deposition, tailings chemistry, and nutrient cycling.
- Interpret observable evidence of environmental change through particulate, atomic, and mass accounting explanations.
$3.00
Grade 9 Science – Sex-Linked Traits Worksheet (PDF) – Alberta Standards
Learning Objectives
- Understand the role of sex chromosomes in inheritance.
- Identify how sex-linked traits are expressed differently in males and females.
- Explain mechanisms such as hemizygosity and dosage compensation in mammals.
$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 | 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 | 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 | 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.
$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 - Observable Properties Worksheet (PDF) | Alberta Standards
Learning Objectives
- Define observable properties of matter.
- Identify and classify substances based on their observable characteristics.
- Describe regional examples of observable properties in materials.
$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
$3.00
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 | 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.
$3.00
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.
$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 – 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.
$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 | 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 – 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.
$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 | Vectors and Forces Worksheet (PDF) | Ontario Standards
Learning Objectives
- Understand how to represent forces using vectors, including magnitude and direction.
- Learn to resolve forces into components and compute the resultant vector.
- Apply graphical and analytical methods to analyze forces in two-dimensional contexts.
$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 | 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 | Water Cycling Worksheet (Ontario) – Practice Set (PDF)
Learning Objectives
- Explain the processes involved in the water cycle, including evaporation, condensation, precipitation, infiltration, runoff, and groundwater flow.
- Describe residence times of water in different reservoirs and the fluxes that control water availability.
- Analyze how watershed characteristics, porosity, and permeability affect water flow and distribution.
$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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