Grade 9 Science Worksheets
6,485 worksheets
Evidence of Evolution Assessment for Grade 9 Science | AP Standards
Learning Objectives
- Understand the different types of evidence that support the theory of evolution.
- Identify key fossil, genetic, and anatomical evidence.
- Evaluate how scientific evidence is used to support evolutionary relationships.
$5.00
Grade 9 Science | Organelles Specialization Worksheet (PDF) for BC Standards
Learning Objectives
- Understand the functions and importance of different organelles in eukaryotic cells.
- Identify the specific roles of mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus, lysosomes, and peroxisomes.
- Explain how organelle specialization supports cellular efficiency and coordination of metabolic pathways.
$3.00
Grade 9 Science – Origins of the Solar System Worksheet(PDF + Answer Key)
Learning Objectives
- Explain how the protoplanetary disk contributed to planetary formation.
- Identify key evidence supporting planetary origins, such as meteorites and isotopic dating.
- Describe differences between inner rocky planets and outer gas giants based on formation processes.
$3.00
Cellular Metabolism Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Explain how glycolysis, the citric acid cycle, and the electron transport chain convert energy into ATP in mitochondria.
- Describe how energy coupling links electron flow and proton gradients to ATP synthase activity.
- Use quantitative and empirical ideas (reactants/products, oxygen consumption, ATP yield) to interpret metabolic flux and energy balance.
$4.00
Chromosomes and DNA Worksheet | Grade 9 Science Activities
Learning Objectives
- Explain how the double-helix structure of DNA supports base pairing and heredity.
- Describe how chromosomes package DNA and how loci relate to gene location.
- Compare nuclear DNA with organelle genomes and interpret basic ideas about karyotypes.
$5.00
Grade 9 Science Transmission Tradeoffs in Communication Systems(PDF + Answers)
Learning Objectives
- Understand the differences between digital and analog signals.
- Learn how bandwidth and signal-to-noise ratio affect data transmission.
- Explore sampling criteria and error-correcting techniques used in communication.
$3.00
Center Stability Worksheet | NGSS Grade 9 Science Assessment & Practice
Learning Objectives
- Calculate the center of mass for composite rigid-body systems using weighted averages.
- Apply moment and net torque conditions to determine static rotational equilibrium.
- Analyze tipping and rotational stability using support bases and critical tipping thresholds.
$4.00
Membrane Transport Worksheet for Grade 9 Science – Ontario Standards
Learning Objectives
- Describe the mechanisms of molecular movement across cell membranes, including diffusion, facilitated diffusion, osmosis, and active transport.
- Explain the roles of electrochemical gradients and membrane potential in transport processes.
- Distinguish between paracellular and transcellular pathways in epithelial tissues.
$2.00
Grade 9 Science – Hazard Assessment Daily Worksheet(PDF + Answer Key)
Learning Objectives
- Understand the causes and effects of earthquakes and related hazards.
- Learn to evaluate hazard risks through data analysis and modeling.
- Explore case studies involving natural hazard impacts on communities.
$3.00
Grade 9 Science – Climate Drivers Worksheet(PDF + Answer Key)
Learning Objectives
- Analyze how solar radiation influences Earth's surface temperature
- Understand the role of Earth's surface albedo in climate variability
- Explain greenhouse gas effects on atmospheric warmth
$3.00
Resource Choices Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Compare energy and mineral resource options using criteria such as emissions, water use, land disturbance, and long-term impacts.
- Explain how extraction methods create different life-cycle trade-offs, including remediation needs and waste management.
- Use regional supply constraints and economic factors to justify resource-management decisions.
$4.00
Human Influence Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Analyze historical atmospheric carbon dioxide (CO2) trends and explain how fossil fuel combustion and deforestation increase CO2.
- Interpret evidence such as the Keeling Curve and vegetation-loss indicators to connect emissions with climate change.
- Evaluate how altered climate variables (temperature and precipitation) can disrupt ecosystems and water systems at regional to global scales.
$4.00
Feedback Mechanisms Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Explain the concepts of negative and positive feedback in maintaining internal stability.
- Describe physiological examples of feedback mechanisms such as thermoregulation, blood glucose control, and osmoregulation.
- Identify the components of feedback loops, including set points, sensors, effectors, and response timing.
$5.00
Grade 9 Science – Human Influence on Climate Carbon Dioxide (PDF + Answer Key)
Learning Objectives
- Understand key concepts related to Science
- Apply knowledge through practice questions
- Demonstrate comprehension of the material
$3.00
Grade 9 Science – Inheritance Basics Worksheet(PDF + Answer Key)
Learning Objectives
- Understand the structure and function of DNA
- Learn how genes are transmitted through reproduction
- Explore the processes of DNA replication and chromosomal segregation
$3.00
Grade 9 Science – Field Dynamics Worksheet(PDF + Answer Key)
Learning Objectives
- Understand the concept of magnetic field lines and how they represent magnetic fields
- Learn about forces on moving charges in magnetic fields and how to visualize them
- Explore applications such as cathode-ray deflection and mass spectrometry
$3.00
Molecules & Lattices Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Explain how particle arrangement and electrical forces influence bulk properties of solids.
- Compare ionic lattices, covalent networks, and molecular solids using evidence from melting point, conductivity, hardness, and solubility.
- Use particle-level reasoning to predict changes in behavior when a solid is heated or dissolved.
$4.00
Grade 9 Science – Wave Properties Daily Reading Worksheet(PDF + Answer Key)
Learning Objectives
- Identify and describe the main components of waves: amplitude, frequency, wavelength, and phase.
- Understand the basic behavior of different types of waves including transverse and longitudinal waves.
- Calculate wave speed using the formula: wave speed = frequency × wavelength.
$3.00
Grade 9 Science – Force Laws Daily Reading Worksheet(PDF + Answer Key)
Learning Objectives
- Understand the concept of gravitational and electrostatic forces.
- Learn the inverse-square law and its impact on force magnitude.
- Apply mathematical formulas to calculate forces between objects.
$3.00
Grade 9 Science – Power Analysis Worksheet(PDF + Answer Key)
Learning Objectives
- Differentiate between power and energy.
- Calculate energy demand over time.
- Understand efficiency and losses in energy systems.
$3.00
Physical Changes Worksheet Grade 9 Science Activities
Learning Objectives
- Differentiate physical changes from chemical changes using evidence about new substances.
- Explain how phase and form can change while conserving the identity of the material.
- Identify common examples of reversible physical changes in everyday and engineered contexts.
$5.00
Framing Constraints Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Understand the importance of identifying and prioritizing functional requirements, social impacts, economic limits, and environmental constraints in engineering design.
- Analyze stakeholder criteria, material availability, regulatory restrictions, and safety margins within problem framing.
- Evaluate interactions among competing constraints both qualitatively and within basic quantitative bounds to select feasible solutions.
$5.00
Electrical Safety Standards Worksheet for Grade 9 Science Alberta
Learning Objectives
- Understand the key safety standards and codes related to electrical installations.
- Identify the purpose of grounding, overcurrent protection, and insulation in electrical safety.
- Interpret labels and markings on electrical devices to ensure compliance with safety regulations.
$2.00
Grade 9 Science – Reaction Stoichiometry Worksheet(PDF + Answer Key)
Learning Objectives
- Understand key concepts related to Science
- Apply knowledge through practice questions
- Demonstrate comprehension of the material
$3.00
Grade 9 Science – Cell Architecture and Genetic Coding Worksheet(PDF + Answers)
Learning Objectives
- Understand how nucleic acid sequences determine amino acid chains
- Learn how protein folding influences cell structures
- Explore the relationship between molecular coding and organelle architecture
$3.00
Grade 9 Science – Energy Conversion Devices Worksheet(PDF + Answer Key)
Learning Objectives
- Understand how photovoltaic cells convert solar energy into electrical energy.
- Identify the process and limitations of energy conversion devices.
- Analyze the concept of energy efficiency and losses during energy transformation.
$3.00
Grade 9 Science – Understanding Heat and Temperature Worksheet(PDF + Answer Key)
Learning Objectives
- Differentiate between heat and temperature.
- Explain basic mechanisms of heat transfer: conduction, convection, radiation.
- Perform calculations involving specific heat capacity, mass, and temperature change.
$3.00
Grade 9 Science Worksheet on Balancing Equations | Alberta Standards
Learning Objectives
- Understand the law of conservation of mass in chemical reactions.
- Learn how to write and interpret chemical formulas and equations.
- Practice balancing chemical equations through examples and exercises.
$2.00
Grade 9 Science – Signal Encoding Daily Reading Worksheet(PDF + Answer Key)
Learning Objectives
- Understand the basic concepts of modulation and multiplexing.
- Recognize different schemes used for signal encoding.
- Compare encoding techniques based on bandwidth, fidelity, and noise susceptibility.
$3.00
Orbital Motion Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Explain the principles of gravitational interactions governing planetary and satellite trajectories.
- Describe Kepler's laws and Newton's law of universal gravitation as they relate to orbital motion.
- Analyze the relationships between orbital period, semi-major axis, and escape velocity using real-world examples.
$5.00
Grade 9 Science Worksheet on Mixtures and Solutions | Alberta Standards
Learning Objectives
- Differentiate between heterogeneous mixtures and homogeneous solutions based on uniformity and separability.
- Explain the roles of solute and solvent in a solution.
- Describe methods used to separate components of mixtures based on physical properties.
$2.00
Circuit Types Worksheet for Grade 9 Science | Alberta Standards Practice
Learning Objectives
- Understand the differences between series and parallel circuits in terms of current and voltage.
- Identify examples of series and parallel circuits in real-world settings.
- Explain how load distribution affects circuit performance and reliability.
$2.00
Decision Modeling Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Explain how systems thinking and decision models support comparing mitigation and adaptation strategies under uncertainty.
- Use scenario analysis and integrated assessment ideas to evaluate trade-offs among greenhouse gas reduction, public health, and economic development.
- Apply cost-benefit reasoning and lifecycle thinking to compare policy instruments (e.g., carbon pricing, land-use planning, and infrastructure investment) across time and space.
$4.00
States of Matter Worksheet for Grade 9 Science | Alberta Standards
Learning Objectives
- Describe the solid, liquid, and gas phases of matter and their distinguishing features.
- Explain the processes of phase changes such as freezing, evaporation, and condensation.
- Link energy changes to phase transitions in environmental contexts.
$2.00
Reaction Rates Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Explain how collision frequency, activation energy, and reaction pathways determine reaction rate.
- Use rate laws and reaction order to predict how changes in concentration affect reaction speed.
- Interpret energy profiles and transition-state ideas to connect microscopic collisions to macroscopic rate measurements.
$4.00
Grade 9 Science - Resource Choices in Energy Production Worksheet(PDF + Answers)
Learning Objectives
- Understand the environmental impacts of different resource extraction and energy production methods.
- Compare the trade-offs between renewable and non-renewable energy sources.
- Analyze the life-cycle and sustainability considerations of resource management decisions.
$3.00
Grade 9 Science – Natural Hazards Volcanoes Worksheet(PDF + Answer Key)
Learning Objectives
- Identify key volcanic hazards and their effects.
- Understand the causes of volcanic eruptions.
- Analyze how volcanoes influence landscapes and communities.
$3.00
Grade 9 Science – Natural Selection Worksheet(PDF + Answer Key)
Learning Objectives
- Understand the basic concepts of natural selection
- Identify examples of natural selection in nature
- Explain the mechanisms that drive differential survival and reproduction
$3.00
Grade 9 Science – Nutrient Cycling in Ecosystems Worksheet(PDF + Answer Key)
Learning Objectives
- Explain the processes involved in the carbon cycle within ecosystems.
- Identify key pathways of nutrient cycling such as microbial decomposition, fixation, mineralization, and sedimentation.
- Understand human impacts on nutrient cycles, including fertilizer runoff and eutrophication.
$3.00
Grade 9 Science – Understanding Constraints Worksheet(PDF + Answer Key)
Learning Objectives
- Identify different types of constraints relevant to engineering challenges.
- Analyze how social, environmental, and economic factors influence project planning.
- Participate in problem framing by prioritizing functional requirements and constraints.
$3.00
Grade 9 Science Worksheet on Immune Barriers | Ontario Standards
Learning Objectives
- Describe physical barriers such as skin and mucosa that protect the body.
- Explain the roles of immune cells like macrophages and lymphocytes in defending against pathogens.
- Understand how inflammation and immune memory contribute to immune response.
$2.00
Grade 9 Science – Stellar Evolution Worksheet(PDF + Answer Key)
Learning Objectives
- Understand the stages of star formation and evolution
- Identify key features of stellar life cycles from gas clouds to final remnants
- Interpret Hertzsprung-Russell diagrams and spectral classifications
$3.00
Grade 9 Science – Reaction Design in Chemistry Worksheet(PDF + Answer Key)
Learning Objectives
- Understand the concept of chemical equilibrium and how it influences reaction outcomes.
- Identify factors that affect the equilibrium position, such as temperature, pressure, and concentration.
- Explain the role of catalysts in reaction rates without shifting equilibrium.
$3.00
Grade 9 Science – Energy Conservation in Systems Worksheet(PDF + Answer Key)
Learning Objectives
- Understand the concept of energy conservation in different systems.
- Identify sources and flows of energy in closed and open systems.
- Interpret energy flow diagrams and model calculations related to energy transfers.
$3.00
Grade 9 Science – Mechanical Energy Worksheet(PDF + Answer Key)
Learning Objectives
- Understand the concepts of kinetic and potential energy
- Calculate kinetic energy of moving objects
- Recognize the relationship between height, mass, and gravitational potential energy
$3.00
Collision Safety Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Explain how impulse and the force–time relationship affect peak force and injury risk during collisions.
- Interpret force–time graphs to compare mitigation strategies that extend collision time and reduce peak acceleration.
- Evaluate how material deformation and energy dissipation (e.g., crumple zones, airbags, helmets) help protect macroscopic objects and people.
$4.00
Grade 9 Science Surface Processes Daily Reading Worksheet(PDF + Answers)
Learning Objectives
- Understand the different types of surface erosion
- Explain how atmospheric and hydrologic factors influence earth surface changes
- Identify examples of erosion processes in nature
$3.00
Grade 9 – Risks and Benefits of Genetic Technologies Worksheet + Answer Key
Learning Objectives
- Understand ecological, economic, and health risks associated with genetic technologies.
- Evaluate potential benefits of genetic advancements in agriculture.
- Analyze Alberta-relevant examples like canola introgression and cattle genetics.
$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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