Reading comprehension Worksheets

40,241 type resources
Grade 11 Science | Systems Modeling Worksheet & Answer Key for NGSS

Grade 11 Science | Systems Modeling Worksheet & Answer Key for NGSS

Lumora LearningCreated byLumora Learning
ScienceGrade 11

Learning Objectives

  • Understand the components and interactions of Earth system models including tectonics, surface processes, ocean circulation, and biogeochemical feedbacks.
  • Analyze how observational datasets constrain Earth system hypotheses and model predictions.
  • Describe the role of volcanic carbon sources, silicate weathering sinks, and ice-sheet interactions in climate evolution.
$2.00
Grade 6 Science — Orbital Dynamics Worksheet for Mastery

Grade 6 Science — Orbital Dynamics Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 6

Learning Objectives

  • Understand the basic concepts of elliptical and near-circular orbits.
  • Explain how orbital speed varies with distance from the central body.
  • Describe the balance of gravitational force and inertial motion in producing orbits.
$2.00
Grade 11 Science | System Interactions Worksheet – NGSS Aligned

Grade 11 Science | System Interactions Worksheet – NGSS Aligned

Lumora LearningCreated byLumora Learning
ScienceGrade 11

Learning Objectives

  • Understand Earth's major reservoirs and their roles in energy exchange.
  • Explain how the atmosphere, hydrosphere, geosphere, and biosphere interact on different scales.
  • Analyze the processes of solar energy input, heat transfer, and feedback mechanisms.
$2.00
Grade 9 Science | Membrane Transport Worksheets (Answer Key) – Ontario Standards

Grade 9 Science | Membrane Transport Worksheets (Answer Key) – Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Describe different mechanisms of molecular movement across cell membranes, including diffusion, osmosis, and active transport.
  • Explain the role of electrochemical gradients and membrane potential in transport processes.
  • Differentiate between paracellular and transcellular pathways in epithelial tissues.
$2.00
Grade 9 Science | Immune Barriers Worksheet (Answer Key) – Ontario Standards

Grade 9 Science | Immune Barriers Worksheet (Answer Key) – Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand the different physical and cellular barriers of the immune system.
  • Identify how innate and adaptive immune defenses function to protect against pathogens.
  • Describe mechanisms such as inflammation and memory formation in immunity.
$2.00
Grade 9 Science | Health Factors Worksheet (PDF) – Ontario Standards

Grade 9 Science | Health Factors Worksheet (PDF) – Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand how lifestyle and environmental factors influence human health.
  • Identify mechanisms like oxidative stress and inflammation that relate to chronic conditions.
  • Interpret epidemiological data to discern causation from correlation.
$2.00
Grade 9 Science | Environmental Health Worksheet (Answer Key) - Ontario Standards

Grade 9 Science | Environmental Health Worksheet (Answer Key) - Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand how environmental exposures influence cellular and organ system health.
  • Identify sources and effects of air and water pollutants on human health.
  • Explain dose–response relationships and vulnerability factors related to environmental hazards.
$2.00
Grade 9 Science – Endocrine Feedback Worksheet (Answer Key) | Ontario Standards

Grade 9 Science – Endocrine Feedback Worksheet (Answer Key) | Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand how hormones regulate physiological processes through feedback loops.
  • Identify components of hormonal pathways involved in glucose homeostasis and thyroid control.
  • Explain cellular hormone actions including gene expression and enzyme activity changes.
$2.00
Grade 9 Science Worksheet | Digestive Absorption & Nutrient Transport (PDF)

Grade 9 Science Worksheet | Digestive Absorption & Nutrient Transport (PDF)

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Explain the mechanical and chemical breakdown of food in digestion.
  • Describe how nutrients are absorbed across the intestinal epithelium, focusing on villi and microvilli.
  • Identify the role of enzymes, bile, and micelles in nutrient digestion and absorption.
$2.00
Grade 9 Science | Circulatory Transport Worksheet – Ontario Standard (PDF)

Grade 9 Science | Circulatory Transport Worksheet – Ontario Standard (PDF)

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Describe the structural features of the heart and blood vessels involved in circulation.
  • Explain the mechanisms of blood flow, including valve function and pressure regulation.
  • Identify the roles of blood components in transport and regulation within the circulatory system.
$2.00
Grade 9 Science | Cellular Energy Worksheet (Answer Key) – Ontario Standards

Grade 9 Science | Cellular Energy Worksheet (Answer Key) – Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Explain the processes of glycolysis, the citric acid cycle, and oxidative phosphorylation in cellular respiration.
  • Describe how mitochondrial structure supports energy production, including proton gradients and ATP synthesis.
  • Compare aerobic and anaerobic pathways and their tissue-specific relevance, such as skeletal muscle during exertion.
$2.00
Grade 9 Science – Cell Components Worksheet (PDF) | Ontario Standards

Grade 9 Science – Cell Components Worksheet (PDF) | Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Identify the major organelles of eukaryotic cells and describe their structural features.
  • Explain how membrane folding, compartmentalization, and surface-to-volume ratios influence cellular functions.
  • Relate the specific functions of cell organelles to their structures and organization.
$2.00
Grade 9 Science | States and Energy Worksheet (Answer Key) – Ontario Standard

Grade 9 Science | States and Energy Worksheet (Answer Key) – Ontario Standard

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Explain how phase changes involve energy transfer and particle motion.
  • Describe the concepts of latent heat and characteristic transition temperatures.
  • Differentiate between heating and cooling curves during phase transitions.
$2.00
Grade 9 Science | Solution Behavior Worksheet (PDF) – Ontario Standard Practice

Grade 9 Science | Solution Behavior Worksheet (PDF) – Ontario Standard Practice

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Describe the processes involved in dissolution and solute-solvent interactions.
  • Identify factors affecting solubility such as temperature and agitation.
  • Differentiate between saturated, unsaturated, and supersaturated solutions with examples.
$2.00
Grade 9 Science | Societal Impacts of Chemicals Worksheet (PDF) - Ontario Standards

Grade 9 Science | Societal Impacts of Chemicals Worksheet (PDF) - Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Analyze the societal uses, benefits, and risks associated with everyday chemicals.
  • Evaluate how chemical properties influence environmental persistence and routes of exposure.
  • Discuss the importance of safe handling, disposal, and regulation of chemicals in society.
$2.00
Grade 9 Science | Reaction Types Worksheet – Standard Ontario (PDF)

Grade 9 Science | Reaction Types Worksheet – Standard Ontario (PDF)

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Identify and describe the main types of chemical reactions: synthesis, decomposition, single displacement, double displacement, and combustion.
  • Recognize practical examples of each reaction type and their observable outcomes.
  • Understand how reaction classifications assist in predicting products and maintaining mass conservation.
$2.00
Grade 11 Science — Mechanisms of Evolution Worksheet for Mastery

Grade 11 Science — Mechanisms of Evolution Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 11

Learning Objectives

  • Explain the fundamental mechanisms that drive evolutionary change in populations.
  • Identify and differentiate among mutation, natural selection, genetic drift, and gene flow.
  • Describe how these mechanisms influence genetic diversity and adaptation.
$2.00
11th Grade Science | Mechanisms of Speciation Worksheet for Mastery

11th Grade Science | Mechanisms of Speciation Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 11

Learning Objectives

  • Understand the processes and mechanisms involved in speciation.
  • Identify different reproductive barriers that contribute to speciation.
  • Explain how geographic, ecological, and environmental factors lead to reproductive isolation.
$2.00
Grade 11 Science — The Calvin Cycle Worksheet for Mastering Photosynthesis

Grade 11 Science — The Calvin Cycle Worksheet for Mastering Photosynthesis

The Resource HubCreated byThe Resource Hub
ScienceGrade 11

Learning Objectives

  • Describe the main stages of the Calvin cycle and its role in photosynthesis.
  • Identify the key enzymes involved in the Calvin cycle, especially RuBisCO.
  • Explain how ATP and NADPH are used in the Calvin cycle to fix atmospheric CO2.
$2.00
Grade 11 Science — Biogeochemical Cycles Worksheet for Mastery

Grade 11 Science — Biogeochemical Cycles Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 11

Learning Objectives

  • Understand the main processes involved in the carbon, nitrogen, and phosphorus cycles.
  • Identify key components and steps of each biogeochemical cycle.
  • Explain how these cycles interact with ecosystems and human activities.
$2.00
Grade 11 Science — Ecosystem Basics Worksheet for Mastering Key Concepts

Grade 11 Science — Ecosystem Basics Worksheet for Mastering Key Concepts

The Resource HubCreated byThe Resource Hub
ScienceGrade 11

Learning Objectives

  • Define the components and functions of an ecosystem.
  • Describe energy flow and nutrient cycling within ecosystems.
  • Explain the significance of primary productivity as the foundation of ecological communities.
$2.00
Grade 9 Science — Comparative Structures Worksheet for Mastering Cell Organelles

Grade 9 Science — Comparative Structures Worksheet for Mastering Cell Organelles

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Understand how organelle morphology varies across different cell types and taxa.
  • Identify examples of structural adaptations in cell organelles related to specialized functions.
  • Relate cellular structure differences to organismal physiology and ecological strategies.
$2.00
Grade 9 Science — Organelle Systems Worksheet for Mastery | PDF + Answer Key

Grade 9 Science — Organelle Systems Worksheet for Mastery | PDF + Answer Key

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Describe the interactions and functions of different organelles within cell systems.
  • Explain how organelle cooperation supports cell growth, division, and responses to environmental changes.
  • Identify and analyze the roles of energy transduction, lipid synthesis, detoxification, and intracellular transport in cells.
$2.00
Grade 9 Science – Prokaryote Comparison Worksheet for Mastery

Grade 9 Science – Prokaryote Comparison Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Compare the structural differences between prokaryotic and eukaryotic cells.
  • Identify key features of bacterial and archaeal cells.
  • Understand the organization of genetic material in prokaryotes and eukaryotes.
$2.00
Grade 9 Science — Transport Mechanisms Worksheet for Mastery | PDF + Answer Key

Grade 9 Science — Transport Mechanisms Worksheet for Mastery | PDF + Answer Key

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Describe how molecules move across cell membranes through passive processes like diffusion and osmosis.
  • Explain the role of membrane proteins and ATP in active transport.
  • Differentiate between vesicular transport, including endocytosis and exocytosis.
$2.00
Grade 9 Science | Mixtures and Separation Worksheet – Ontario Standards (PDF)

Grade 9 Science | Mixtures and Separation Worksheet – Ontario Standards (PDF)

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Differentiate between homogeneous and heterogeneous mixtures.
  • Describe physical methods of separating mixture components based on physical properties.
  • Identify examples of mixtures such as saltwater, soil, and air.
$2.00
Grade 9 Science | Mass Conservation Worksheet (Answer Key) - Ontario Standards

Grade 9 Science | Mass Conservation Worksheet (Answer Key) - Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Understand the principle of conservation of mass in closed systems during chemical reactions.
  • Identify examples illustrating mass conservation, such as combustion and precipitate formation.
  • Differentiate between apparent mass changes due to gas exchange and true mass conservation.
$2.00
Grade 9 Science | Gas Behaviour Worksheet (Answer Key) - Ontario Standard

Grade 9 Science | Gas Behaviour Worksheet (Answer Key) - Ontario Standard

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 9

Learning Objectives

  • Explain how particle collisions relate to gas pressure using the particle model.
  • Describe the relationship between temperature, volume, and pressure qualitatively in gases.
  • Illustrate how macroscopic gas laws emerge from microscopic particle motion without using equations.
$2.00
Grade 11 Science | DNA Structure Worksheet – Ontario Standards

Grade 11 Science | DNA Structure Worksheet – Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 11

Learning Objectives

  • Describe the molecular components of DNA and their chemical nature.
  • Explain the antiparallel and double-helical structure of DNA strands.
  • Identify base-pairing rules and their significance for replication and inheritance.
$2.00
Grade 11 Science – Cell Cycle Control Worksheet | Ontario Standards

Grade 11 Science – Cell Cycle Control Worksheet | Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 11

Learning Objectives

  • Describe the phases of the eukaryotic cell cycle and their regulation.
  • Explain the role of checkpoints and regulatory factors in ensuring genome fidelity.
  • Understand mechanisms of DNA damage response and programmed cell death.
$2.00
Grade 11 Science | Remote Sensing Worksheet (Worksheet + Answer Key) – Ontario Standards

Grade 11 Science | Remote Sensing Worksheet (Worksheet + Answer Key) – Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 11

Learning Objectives

  • Explain the main methods and technologies used in remote sensing, including satellite imagery, aerial photography, and LiDAR.
  • Describe how land cover classification, vegetation indices, and change detection techniques are used for landscape monitoring.
  • Evaluate the advantages and limitations of different scales, resolutions, and temporal frequencies in ecological remote sensing.
$2.00
Grade 11 Science | Biodiversity Metrics Worksheet (Answer Key) – Ontario Curriculum

Grade 11 Science | Biodiversity Metrics Worksheet (Answer Key) – Ontario Curriculum

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 11

Learning Objectives

  • Define key measures of biodiversity such as species richness, evenness, and diversity indices.
  • Explain sampling considerations like effort and rarefaction for accurate biodiversity estimates.
  • Distinguish between alpha, beta, and gamma diversity across spatial scales.
$2.00
Grade 11 Science – Measurement & Uncertainty PDF

Grade 11 Science – Measurement & Uncertainty PDF

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 11

Learning Objectives

  • Understand the fundamental concepts of measurement, including SI units and significant figures.
  • Evaluate the precision, accuracy, and propagation of uncertainty in measurements and calculations.
  • Apply proper instrument selection, calibration principles, and graphical techniques to estimate measurement uncertainty.
$2.00
Grade 6 Science — Pressure Maps Worksheet for Mastering Surface Pressure

Grade 6 Science — Pressure Maps Worksheet for Mastering Surface Pressure

The Resource HubCreated byThe Resource Hub
ScienceGrade 6

Learning Objectives

  • Understand the concept of surface pressure distribution around wing sections.
  • Explain how pressure variations such as stagnation points and suction peaks affect lift and pitching moments.
  • Describe how camber and angle of attack influence pressure minima and pressure patterns.
$2.00
Grade 9 Science — Enzyme Basics Worksheet for Mastery

Grade 9 Science — Enzyme Basics Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 9

Learning Objectives

  • Understand the structure and function of enzymes as biological catalysts.
  • Explain how enzymes lower activation energy and stabilize transition states.
  • Describe the role of protein structure, amino acids, cofactors, and coenzymes in enzyme activity.
$2.00
Organelle Systems Worksheet for Grade 9 Science | TEKS-Aligned Practice

Organelle Systems Worksheet for Grade 9 Science | TEKS-Aligned Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the concept of organelle systems and their role in cell function.
  • Identify different organelle interactions, such as energy transfer, lipid synthesis, and detoxification.
  • Explain how organelles cooperate to support cell growth, division, and environmental response.
$2.00
Organelle Functions Worksheet for Grade 9 Science – Printable PDF & Answer Key

Organelle Functions Worksheet for Grade 9 Science – Printable PDF & Answer Key

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Identify major eukaryotic organelles and describe their functions.
  • Connect organelle structure and composition to their cellular roles.
  • Understand how organelles collaborate within different tissue types.
$2.00
Membrane Structure Grade 9 Science Worksheet with Answer Key | TEKS

Membrane Structure Grade 9 Science Worksheet with Answer Key | TEKS

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Describe the basic components of the cell membrane, including the phospholipid bilayer and associated proteins.
  • Explain how the fluid mosaic model accounts for membrane fluidity and function.
  • Identify the roles of cholesterol, proteins, and carbohydrate chains in membrane permeability and cellular recognition.
$2.00
Grade 9 Science Worksheet | Comparative Structures in Cells | TEKS Aligned

Grade 9 Science Worksheet | Comparative Structures in Cells | TEKS Aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand how organelle structures vary across different cell types and taxa.
  • Identify examples of morphological adaptations of organelles for specialized functions.
  • Relate cellular architecture to physiological roles and ecological strategies.
$2.00
Cell Theory Worksheet for Grade 9 Science | Printable PDF & Answer Key

Cell Theory Worksheet for Grade 9 Science | Printable PDF & Answer Key

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 9

Learning Objectives

  • Understand the key principles of cell theory and its historical development.
  • Differentiate between prokaryotic and eukaryotic cells based on their structures.
  • Explain the organization of unicellular versus multicellular organisms.
$2.00
Grade 7 Science | Solution Comparison Worksheet NGSS-Aligned (PDF + Answer Key)

Grade 7 Science | Solution Comparison Worksheet NGSS-Aligned (PDF + Answer Key)

Lumora LearningCreated byLumora Learning
ScienceGrade 7

Learning Objectives

  • Understand how to systematically evaluate different design solutions through modeling and analysis.
  • Identify and quantify trade-offs among performance, cost, durability, and manufacturability in engineering solutions.
  • Apply metrics and model-based reasoning to rank design options and recognize limitations without final optimization.
$2.00
Grade 7 Science | Inheritance Probability Worksheet with Answer Key (PDF)

Grade 7 Science | Inheritance Probability Worksheet with Answer Key (PDF)

Lumora LearningCreated byLumora Learning
ScienceGrade 7

Learning Objectives

  • Explain how probability concepts can be used to predict genetic variation among offspring.
  • Interpret Punnett square outcomes to determine likelihoods of genotypes and phenotypes.
  • Calculate the expected proportions of different genotypes and phenotypes in monohybrid crosses.
$2.00
Grade 7 Science | Organ Interactions Worksheet (Answer Key) for NGSS Alignment

Grade 7 Science | Organ Interactions Worksheet (Answer Key) for NGSS Alignment

Lumora LearningCreated byLumora Learning
ScienceGrade 7

Learning Objectives

  • Describe the major organ systems involved in circulation, respiration, digestion, and nervous regulation in multicellular animals.
  • Explain how different organ systems cooperate to maintain homeostasis and support gas exchange, nutrient distribution, and feedback mechanisms.
  • Compare the organ system interactions in human mammals and plant vascular transport systems.
$2.00
Grade 7 Science | Environment and Traits Worksheet (NGSS Aligned + Answer Key)

Grade 7 Science | Environment and Traits Worksheet (NGSS Aligned + Answer Key)

Lumora LearningCreated byLumora Learning
ScienceGrade 7

Learning Objectives

  • Explain how phenotype results from both genetic and environmental factors.
  • Describe examples showing environmental influence on traits.
  • Distinguish inherited genetic traits from environmentally modulated traits.
$2.00
Grade 7 Science | Population Limits Worksheet (PDF ) – Ontario Standards

Grade 7 Science | Population Limits Worksheet (PDF ) – Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 7

Learning Objectives

  • Understand basic models of population growth, including exponential and logistic growth.
  • Identify factors that limit population size such as food, predation, disease, and environmental stresses.
  • Differentiate between density-dependent and density-independent factors affecting populations.
$2.00
Grade 7 Science | Heat Transfer Worksheet & Answer Key for NGSS Standards

Grade 7 Science | Heat Transfer Worksheet & Answer Key for NGSS Standards

Lumora LearningCreated byLumora Learning
ScienceGrade 7

Learning Objectives

  • Describe the different mechanisms of heat transfer: conduction, convection, and radiation.
  • Identify examples of heat transfer in everyday life.
  • Explain how heat transfer affects temperature changes and energy flow in objects and environments.
$2.00
Grade 7 Science | Kinetic Energy Worksheet & Answer Key (NGSS-Aligned)

Grade 7 Science | Kinetic Energy Worksheet & Answer Key (NGSS-Aligned)

Lumora LearningCreated byLumora Learning
ScienceGrade 7

Learning Objectives

  • Construct and interpret graphical relationships between kinetic energy, potential energy, mass, and speed.
  • Analyze how doubling the mass or speed of an object affects its kinetic energy through quantitative comparisons and graphs.
  • Apply energy calculation formulas to real-world motion scenarios such as rolling bicycles, swinging pendulums, and roller-coaster cars.
$2.00
7th Grade Science Worksheet | Population Impacts & Environment (PDF & Answers)

7th Grade Science Worksheet | Population Impacts & Environment (PDF & Answers)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 7

Learning Objectives

  • Analyze how increases in human population and consumption alter demand for water, energy, land, and materials.
  • Evaluate the effects of population growth and urbanization on ecosystems and resource cycles.
  • Compare regional examples to understand how consumption patterns influence environmental pressure.
$2.00

Browse more categories

About Reading comprehension Worksheets

Find reading comprehension worksheets for class practice, homework, or self-study. All 40,241 are instant PDF downloads.

Each resource here is built by an independent educator and reviewed for quality. Worksheets print straight from PDF and suit classroom use, homework, or extra practice; most come with answer keys, and you can preview before purchasing.