Grade 9 Science Worksheets
6,485 worksheets
Grade 9 Science – Free-Body Diagrams Worksheet (Ontario, PDF)
Learning Objectives
- Understand the conventions for representing forces in free-body diagrams.
- Identify and label common forces such as weight, normal force, tension, and friction.
- Apply free-body diagrams to analyze situations involving equilibrium and acceleration.
$3.00
Grade 9 Science – Energy Conservation Worksheet (Ontario) – PDF
Learning Objectives
- Understand the principles of mechanical energy conservation in ideal systems.
- Identify conditions under which total mechanical energy remains constant.
- Explore the role of non-conservative work, such as friction, in energy dissipation.
$3.00
Grade 9 Science | Model-Data Fit AP Practice Worksheet (PDF)
Learning Objectives
- Understand methods for assessing the fit between models and empirical data.
- Interpret residual plots and goodness-of-fit measures to evaluate models.
- Identify patterns indicating issues like heteroscedasticity or missing variables.
$3.00
Grade 9 Science | Motion Equations Worksheet (PDF) – Alberta Standards
Learning Objectives
- Understand how to use constant-acceleration equations to predict object displacement and velocity.
- Apply appropriate units, sign conventions, and algebraic substitution to solve motion problems.
- Interpret real-world scenarios involving vehicle stopping distances, ski slopes, and free fall.
$3.00
Grade 9 Science | Kinematic Concepts Worksheet (PDF) – Alberta Standards
Learning Objectives
- Define and differentiate among speed, velocity, and acceleration
- Apply unit conversions and sign conventions in motion analysis
- Describe real-world examples of kinematic measures in regional contexts
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Grade 9 Science – Motion Graphs Worksheet (Ontario – Science) (PDF)
Learning Objectives
- Interpret position–time and velocity–time graphs to describe motion.
- Understand the significance of slopes and areas under graphs in kinematics.
- Link graphical representations to algebraic formulas of velocity and acceleration.
$3.00
Grade 9 Science | Kinematic Equations Worksheet (Ontario) (PDF)
Learning Objectives
- Understand the basic kinematic equations relating displacement, velocity, acceleration, and time.
- Apply the equations to scenarios involving free-fall and projectile motion.
- Interpret sign conventions and component-wise treatment in uniform acceleration problems.
$3.00
Grade 9 Science | Reaction Categories Worksheet (Answer Key) – BC Standard
Learning Objectives
- Identify and describe the different categories of chemical reactions.
- Recognize characteristic reactant patterns and products in various reactions.
- Classify reactions into synthesis, decomposition, displacement, and combustion based on their features.
$3.00
Grade 9 Science | Newton's First Law Worksheet (Ontario Standard) (PDF)
Learning Objectives
- Explain Newton's First Law as a statement about inertia and its relationship with external forces.
- Distinguish between rest and constant velocity states of motion.
- Describe how balanced forces contribute to static and dynamic equilibrium.
$3.00
Grade 9 Science | Integrated Analysis Worksheet (PDF) – Alberta Standards
Learning Objectives
- Understand how combining kinematic descriptions, force balances, and energy considerations provides a comprehensive analysis of motion.
- Apply graph, equation, and net-force reasoning to real-world transport and recreational scenarios.
- Evaluate complex motions such as braking on a mountain pass, cable car system dynamics, and stopping distances under varied conditions.
$3.00
Grade 9 Science | Power and Efficiency Worksheet (Ontario) (PDF)
Learning Objectives
- Describe power as the rate of energy transfer or work per unit time, including average and instantaneous formulations.
- Explain the concept of mechanical efficiency and how it quantifies useful output work relative to input, relating losses to friction and heat.
- Compare power ratings of motors and analyze mechanical advantage trade-offs in machines to evaluate performance.
$3.00
Grade 9 Science | Graphical Literacy Worksheet (AP Standards) – PDF
Learning Objectives
- Understand how to interpret different types of graphs such as scatterplots, histograms, line graphs, and residual displays.
- Learn how to select an appropriate graph type based on data patterns and relationships.
- Identify the importance of axis scaling, labeling, binning choices, and visual patterns in data analysis.
$3.00
Grade 9 Science | Newton's Third Law Worksheet (Ontario Standards) (PDF)
Learning Objectives
- Understand the concept of action–reaction force pairs in Newton's third law.
- Identify examples of equal magnitude and opposite directions in force interactions.
- Analyze the implications of Newton's third law in real-world phenomena like propulsion and collisions.
$3.00
Grade 9 Science | Climate Forcing Worksheet (Ontario) (PDF)
Learning Objectives
- Understand the key drivers of climate change, including greenhouse gases, albedo, aerosols, and land-use feedbacks.
- Explain basic radiative transfer concepts and how energy budget imbalances influence surface temperature.
- Analyze human emissions impacts on the carbon cycle and projected climate responses.
$3.00
Grade 9 Science | System Interactions Worksheet (Ontario – PDF)
Learning Objectives
- Analyze the interactions among different body systems that maintain homeostasis.
- Describe feedback mechanisms, set points, and coordination between endocrine and nervous responses.
- Understand how systems like circulation, respiration, renal, and neural control work together to sustain internal stability.
$3.00
Grade 9 Science | Graphing Motion (Worksheet + Answer Key) – Alberta Standards
Learning Objectives
- Understand how to interpret displacement–time, velocity–time, and acceleration–time graphs.
- Learn how the slope of a graph relates to physical quantities like speed and acceleration.
- Identify curved segments on graphs to recognize changing acceleration.
$3.00
Grade 9 Science | Orbital Interactions Worksheet (Ontario Standards) (PDF)
Learning Objectives
- Understand how orbital parameters such as eccentricity, axial tilt, and precession influence climate patterns and insolation.
- Explain tidal forces generated by the Moon and Sun through gravitational effects and their observable consequences.
- Connect orbital dynamics, such as resonance and tidal locking, to long-term climate variations and Earth's day length.
$3.00
Grade 9 Science – Simulated Predictions Worksheet + Answer Key | AP Standard
Learning Objectives
- Explain the role of simple computational simulations and numerical models in generating predictions.
- Identify how parameters influence simulation outcomes and the importance of scenario comparison.
- Describe how ensembles and visualizations represent forecast uncertainty.
$3.00
Grade 9 Science | Mineral Properties Worksheet (Ontario, PDF)
Learning Objectives
- Identify and describe diagnostic physical 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.
$3.00
Grade 9 Science | Relative Motion Worksheet (PDF) – Alberta Standards
Learning Objectives
- Explain the concept of relative motion and how it depends on the chosen frame of reference.
- Identify examples of relative motion in regional transport and recreation scenarios.
- Understand how velocities combine vectorially and how reference frames affect observed motion.
$3.00
Grade 9 Science | Energy Transfer Worksheet (Ontario) – Science (PDF)
Learning Objectives
- Understand sources of energy within Earth systems, including solar radiation and geothermal heat flow.
- Describe mechanisms of energy transfer such as conduction, convection, and radiation.
- Explain how energy gradients drive atmospheric and oceanic circulation and tectonic processes.
$3.00
Grade 9 Science | Energy Changes Worksheet with Answer Key (NGSS Aligned)
Learning Objectives
- Understand the concepts of potential and kinetic energy in chemical reactions.
- Identify whether a reaction is endothermic or exothermic based on energy diagrams.
- Explain how bond breaking and formation relate to energy absorption or release.
$3.00
Grade 9 Science | Evidence Chains Worksheet (AP Standards + Answer Key) (PDF)
Learning Objectives
- Understand the structure of evidence-based reasoning linking observations, analyses, and claims.
- Identify standards for sufficiency, consistency, and handling competing explanations.
- Utilize multiple representations such as graphs, summaries, and diagrams to support inferences.
$3.00
Grade 9 Science | Resource Impacts Worksheet (Ontario Standards) (PDF)
Learning Objectives
- Analyze how resource extraction affects landforms, ecosystems, and material cycles.
- Identify environmental effects of mining, fossil fuel extraction, and water use.
- Evaluate sustainability criteria such as resource renewal, environmental effects, and reclamation.
$3.00
Grade 9 Science | Feedback Mechanisms Worksheet (Worksheet + Answer Key) NGSS
Learning Objectives
- Understand the concepts of negative and positive feedback and their roles in maintaining internal stability.
- Identify and describe specific physiological feedback processes such as thermoregulation, blood glucose control, and osmoregulation.
- Explain set points, sensor-effector loops, and the timing differences between rapid and slow feedback responses.
$3.00
Grade 9 Science | Rock Cycle Worksheet – Ontario Standards (PDF)
Learning Objectives
- Understand the processes involved in the rock cycle and how rocks transform between types.
- Identify observable evidence of the rock cycle such as layering and intrusion patterns.
- Explain the role of plate tectonics and energy sources in driving rock transformations.
$3.00
Grade 9 Science – Plate Tectonics Worksheet (Ontario) (PDF)
Learning Objectives
- Understand the mechanisms driving plate movements, including divergent, convergent, and transform boundaries.
- Identify surface expressions of plate interactions such as earthquakes, volcanism, and mountain building.
- Explain the link between mantle convection, slab pull, and tectonic driving forces.
$3.00
Grade 9 Science | Homeostasis Basics Worksheet (PDF) – Standards-Based Practice
Learning Objectives
- Understand the concept of homeostasis and its importance in maintaining internal body conditions.
- Identify the systems involved in homeostasis and their feedback mechanisms.
- Explain how various body systems coordinate to regulate temperature, pH, and blood glucose levels.
$3.00
Grade 9 Science | Cellular Metabolism Worksheet & Answer Key (PDF) NGSS Aligned
Learning Objectives
- Describe the biochemical pathways involved in cellular respiration, including glycolysis, the citric acid cycle, and electron transport.
- Explain how ATP is produced through energy coupling in cells.
- Relate mitochondrial and chloroplast functions to metabolic processes like respiration and photosynthesis.
$3.00
Grade 9 Science | Reaction Stoichiometry Worksheet + Answer Key (NGSS PDF)
Learning Objectives
- Understand and apply the conservation of mass in balanced chemical equations.
- Calculate molar relationships, masses, and particle counts in chemical reactions.
- Identify limiting reagents and compute theoretical yields.
$3.00
Grade 9 Science | Collision Safety Concepts Worksheet (NGSS) – PDF
Learning Objectives
- Understand how impulse and force-time tradeoffs reduce peak impact forces.
- Analyze force-time graphs to evaluate energy dissipation strategies.
- Identify design features like crumple zones, airbags, and padding that mitigate collisions.
$3.00
Grade 9 Science – Energy Conservation Worksheet (NGSS-Aligned) (PDF)
Learning Objectives
- Understand the concept of energy conservation within different systems.
- Learn to represent energy transfers using diagrams and mathematical models.
- Identify and trace energy reservoirs during physical and chemical processes.
$3.00
Grade 9 Science | Center Stability Worksheet (Answer Key) – NGSS Aligned
Learning Objectives
- Understand how to calculate the center of mass for composite systems.
- Apply moments and torque conditions to analyze static equilibrium.
- Assess the stability of objects based on their mass distribution and support base.
$3.00
Grade 9 Science | Force Laws Worksheet (NGSS Aligned + PDF) – Science
Learning Objectives
- Understand the inverse-square relationship in gravitational and electrostatic forces.
- Apply quantitative formulas to calculate the magnitude and direction of forces between objects.
- Use vector analysis to determine net forces in multi-body systems.
$3.00
Grade 9 Science | Speciation Introduction Worksheet (Answer Key) – TEKS Aligned
Learning Objectives
- Understand the process of speciation and how it contributes to biodiversity.
- Identify different reproductive barriers and mechanisms involved in speciation.
- Differentiate between allopatric and sympatric speciation and their causes.
$3.00
Grade 9 Science | Speciation Processes Worksheet - Answer Key (NGSS Standards)
Learning Objectives
- Understand the mechanisms that lead to new species formation, including reproductive isolation and genetic divergence.
- Identify and differentiate between allopatric and sympatric speciation models and their examples.
- Explain the significance of hybrid zones, polyploidy, and adaptive radiation in speciation.
$3.00
Grade 9 Science | Mountain Building Worksheet (PDF) – BC Standards & Activities
Learning Objectives
- Understand the processes that lead to mountain formation such as plate convergence and crustal folding.
- Identify the geological features and events associated with orogenic (mountain-building) processes.
- Explain how weathering and erosion modify mountain landscapes over time.
$3.00
Grade 9 Science | Ecosystem Cycling Worksheet (AP Standards) PDF
Learning Objectives
- Describe interactions among organisms and abiotic components that drive material cycling and energy flow in ecosystems.
- Explain the processes of carbon and nitrogen cycles, trophic transfer, and stoichiometric constraints.
- Analyze the impacts of perturbations such as nutrient enrichment, habitat alteration, and invasive species on ecosystem function.
$3.00
Grade 9 Science – Earth's Layer Structure Worksheet (Ontario) (PDF)
Learning Objectives
- Describe Earth's concentric layers, including the crust, mantle, and core.
- Distinguish between lithosphere and asthenosphere in terms of mechanical behavior.
- Explain how density, temperature, and pressure vary with depth in Earth.
$3.00
Grade 9 Science – Seismic Signals Worksheet (Ontario – Science) (PDF)
Learning Objectives
- Identify the different types of seismic waves and their propagation characteristics.
- Explain how seismic wave travel times are used to understand Earth's interior.
- Describe how earthquake focal mechanisms reveal fault types and stress orientations.
$3.00
Grade 9 Science| Glucose Balance Worksheet (Answer Key) – Blood Sugar Regulation
Learning Objectives
- Explain how insulin and glucagon regulate blood glucose levels.
- Identify the roles of liver, muscle, and adipose tissues in glucose metabolism.
- Describe endocrine feedback loops involved in glucose homeostasis.
$3.00
Grade 9 Science – Biotech Applications Worksheet (Worksheet + Answer Key) – TEKS Aligned
Learning Objectives
- Identify common molecular techniques used in biotechnology applications.
- Explain how techniques like PCR, gel electrophoresis, DNA sequencing, and CRISPR are used in research and medicine.
- Describe various applications of biotechnology in diagnostics, gene therapy, and agriculture.
$3.00
Grade 9 Science | Organ Structures Worksheet + Answer Key (PDF) | BC Standards
Learning Objectives
- Identify the organization of tissues within organs.
- Understand how organs and systems collaborate to sustain the organism.
- Describe the relationship between tissue types, organs, and organ systems.
$3.00
Grade 9 Science | Trophic Structure Worksheet (Answer Key) – TEKS Aligned
Learning Objectives
- Understand the components and organization of trophic levels in ecosystems.
- Describe how energy flows through food chains and webs.
- Explain the concepts of trophic efficiency and trophic cascades.
$3.00
Grade 9 Science | Chemical Changes Worksheet (Ontario) (PDF)
Learning Objectives
- Understand what constitutes a chemical change and how it differs from physical change.
- Identify common observable indicators of chemical reactions such as temperature change, gas production, precipitate formation, and color change.
- Interpret microscopic evidence of reactant-to-product transformation in chemical reactions.
$3.00
Grade 9 Science | System Coordination Worksheet (PDF) with Answer Key
Learning Objectives
- Understand how feedback loops, redundancy, and cross-regulation contribute to multi-system coordination.
- Describe how exercise affects respiratory, cardiovascular, and metabolic responses via neural, hormonal, and local signals.
- Explain the impact of disruptions in one organ system on overall homeostasis and health outcomes.
$3.00
Grade 9 Science| Microscope Modeling Worksheet (PDF) for Cell Structure Analysis
Learning Objectives
- Understand how microscopes provide visual models of cell structures and scales.
- Identify different types of microscopes and their uses in cell observation.
- Explain how diagrammatic and physical models help interpret microscopic observations.
$3.00
Grade 9 Science | Organelles Function & Cell Biology Worksheet (AP & PDF)
Learning Objectives
- Identify the major organelles and understand their specific functions in the cell.
- Explain how organelles like mitochondria and chloroplasts contribute to energy production.
- Compare the structures of various organelles and relate them to their roles.
$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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