Reading comprehension Worksheets

40,241 type resources
8th Grade Science | Orbital Cycles Worksheet + Answer Key (PDF)

8th Grade Science | Orbital Cycles Worksheet + Answer Key (PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Articulate a coherent model of the Earth–Sun–Moon system that explains cyclic phenomena such as lunar phases and eclipses.
  • Understand the influence of relative positions, motions, axial tilt, and orbital geometry on observable sky patterns and calendar cycles.
  • Describe the timing and sequence of lunar phases, eclipses, and seasonal changes based on the Earth's and Moon's positions.
$2.00
Grade 8 Science | Scale and Patterns Worksheet PDF with Answer Key (NGSS)

Grade 8 Science | Scale and Patterns Worksheet PDF with Answer Key (NGSS)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Analyze scale relationships among solar system objects using quantitative data.
  • Interpret patterns in diameters, masses, distances, and orbital periods from datasets.
  • Compare relative sizes and distances of planets, dwarf planets, and major moons.
$2.00
Grade 8 Science Worksheet | Mass Conservation Lesson & Practice (PDF + Rubric)

Grade 8 Science Worksheet | Mass Conservation Lesson & Practice (PDF + Rubric)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Understand the principle of mass conservation in chemical reactions within closed systems.
  • Track atoms at a microscopic level using particulate models and symbolic equations.
  • Explain how the total mass of reactants equals the mass of products when matter is neither added nor removed.
$2.00
8th Grade Science Worksheet | Energy Flow in Ecosystems with Answer Key

8th Grade Science Worksheet | Energy Flow in Ecosystems with Answer Key

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Explain how energy enters and moves through ecosystems.
  • Identify the role of producers and consumers in energy transfer.
  • Understand the concept of energy loss as heat at each trophic level.
$2.00
Grade 8 Science Worksheet | Measuring Biodiversity – PDF & Answer Key

Grade 8 Science Worksheet | Measuring Biodiversity – PDF & Answer Key

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Understand key concepts related to biodiversity including species richness, evenness, and indices.
  • Identify factors that influence biodiversity assessments in different environments.
  • Explain the importance of biodiversity for ecosystem stability and health.
$2.00
Grade 12 Science Worksheet | Projectile Motion Practice with Answer Key (PDF)

Grade 12 Science Worksheet | Projectile Motion Practice with Answer Key (PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 12

Learning Objectives

  • Understand the components of projectile motion and how vectors decompose into horizontal and vertical parts.
  • Apply equations of motion to analyze projectile trajectories and calculate range, maximum height, and time of flight.
  • Connect assumptions of negligible air resistance and coordinate choices to solving projectile problems.
$2.00
Grade 8 Science Worksheet | Species Interactions – PDF & Answer Key

Grade 8 Science Worksheet | Species Interactions – PDF & Answer Key

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Understand the different types of species interactions such as predation, competition, parasitism, mutualism, and commensalism.
  • Analyze how species interactions influence population dynamics and ecosystem stability.
  • Identify examples of each interaction type in real-world ecosystems.
$2.00
12th Grade Science – Rotational Dynamics Worksheet with Answer Key (Printable PDF)

12th Grade Science – Rotational Dynamics Worksheet with Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 12

Learning Objectives

  • Define torque, moment of inertia, and angular momentum for rigid bodies.
  • Develop equations relating net torque to angular acceleration.
  • Analyze energy transfer between translational and rotational modes in rolling and compound systems.
$2.00
Grade 12 Science Worksheet on Wave Behavior | AP Standard Practice & Answer Key

Grade 12 Science Worksheet on Wave Behavior | AP Standard Practice & Answer Key

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 12

Learning Objectives

  • Understand key wave parameters such as wavelength, frequency, and amplitude.
  • Explain the principles of superposition, interference, and standing waves.
  • Analyze wave phenomena using sinusoidal and phasor representations.
$2.00
8th Grade Science Worksheet | Balancing Equations Practice PDF & Answer Key

8th Grade Science Worksheet | Balancing Equations Practice PDF & Answer Key

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Understand the concept of balancing chemical equations to obey the law of conservation of mass.
  • Learn how coefficients represent molar ratios of reactants and products.
  • Interpret the placement of coefficients without changing chemical formulas.
$2.00
Grade 12 Science Worksheet on Scientific Reports | TEKS Aligned

Grade 12 Science Worksheet on Scientific Reports | TEKS Aligned

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 12

Learning Objectives

  • Understand the key components and structure of formal scientific reports.
  • Identify proper conventions for abstracts, introductions, methods, results, and discussions.
  • Evaluate the importance of reproducibility, proper citations, and clear data presentation.
$2.00
Grade 8 Science | Mixtures Versus Compounds Worksheet & Answer Key (PDF)

Grade 8 Science | Mixtures Versus Compounds Worksheet & Answer Key (PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Differentiate between mixtures and compounds based on their properties and formation.
  • Identify characteristics of mixtures and compounds through examples and observations.
  • Understand methods of separation for mixtures and the difficulty of separating compounds.
$2.00
Grade 12 Science Worksheet on Citation Ethics | Standard TEKS Practice

Grade 12 Science Worksheet on Citation Ethics | Standard TEKS Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 12

Learning Objectives

  • Understand the importance of proper attribution and authorship in scientific research.
  • Identify best practices for data provenance, data archiving, and open data sharing.
  • Recognize the significance of avoiding plagiarism through correct citation methods.
$2.00
Grade 8 Science | Cell Theory Worksheet (PDF ) – Ontario Standard

Grade 8 Science | Cell Theory Worksheet (PDF ) – Ontario Standard

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 8

Learning Objectives

  • Understand the historical development of cell theory and its core principles.
  • Describe the importance of cells as the basic units of life and how they arise.
  • Connect microscopic evidence and modern imaging techniques to cell theory principles.
$2.00
Grade 8 Science | Cell Cycle Worksheet (PDF ) – Ontario Standards

Grade 8 Science | Cell Cycle Worksheet (PDF ) – Ontario Standards

Prism Point LearningCreated byPrism Point Learning
ScienceGrade 8

Learning Objectives

  • Describe the main phases of the cell cycle, including interphase, mitosis, and cytokinesis.
  • Identify the roles of cyclins, kinases, and checkpoint mechanisms in cell division.
  • Explain how proper regulation of the cell cycle maintains organismal development and prevents genomic instability.
$2.00
Grade 8 Science | Observable Conservation Worksheet & Answer Key (Printable PDF)

Grade 8 Science | Observable Conservation Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Understand the principle of conservation of mass through experimental observations.
  • Describe how mass appears unchanged in reactions within sealed systems.
  • Explain the significance of measuring reactants and products in conservation experiments.
$2.00
8th Grade Science | Particle Representations Worksheet & Answer Key ( PDF)

8th Grade Science | Particle Representations Worksheet & Answer Key ( PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Understand how particle-level models depict atoms and molecules during reactions.
  • Describe how bond breaking and forming are represented with particle diagrams.
  • Translate microscopic particle interactions into macroscopic observations.
$2.00
Grade 8 Science Worksheet | Balanced Forces Practice with Answers(Printable PDF)

Grade 8 Science Worksheet | Balanced Forces Practice with Answers(Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Define balanced forces and explain their effects on objects.
  • Differentiate between static and dynamic equilibrium.
  • Identify real-world situations involving balanced and unbalanced forces.
$2.00
Grade 8 Science Worksheet | Trip Analysis Practice PDF & Answer Key

Grade 8 Science Worksheet | Trip Analysis Practice PDF & Answer Key

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Understand how to analyze motion composed of multiple segments with different speeds.
  • Calculate average speed from total distance and total time in non-uniform motion scenarios.
  • Apply proportional reasoning to segmental travel times and distances.
$2.00
Grade 8 Science | Cell Organization Worksheet & Answer Key (Printable PDF)

Grade 8 Science | Cell Organization Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Define the levels of cellular organization in multicellular organisms.
  • Explain how similar cells combine to form tissues, and how tissues form organs.
  • Describe how organ systems work together to sustain life.
$2.00
Grade 8 Science | Digestive System Integration Worksheet & Answer Key (PDF)

Grade 8 Science | Digestive System Integration Worksheet & Answer Key (PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Describe how mechanical and chemical processes work together in digestion
  • Identify tissue types involved in digestion and their functions
  • Explain how nutrients are transported through the circulatory system to cells
$2.00
8th Grade Science | Immune Defense Worksheet & Answer Key (Printable PDF)

8th Grade Science | Immune Defense Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Describe the components and functions of the innate and adaptive immune systems.
  • Identify cellular specializations involved in immune responses.
  • Explain the roles of lymphoid organs and circulatory pathways in immune defense.
$2.00
8th Grade Science Worksheet | Membrane Functions with Answer Key (Printable PDF)

8th Grade Science Worksheet | Membrane Functions with Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Understand how cell membranes regulate exchange between the cell's interior and exterior environments.
  • Identify the roles of proteins, pumps, and vesicles in membrane transport processes.
  • Explain how membrane composition and surface area influence diffusion and cell signaling.
$2.00
8th Grade Science | Muscle Contraction Worksheet & Answer Key (Printable PDF)

8th Grade Science | Muscle Contraction Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Explain the process of muscle contraction at the cellular level.
  • Identify the roles of actin, myosin, ATP, and calcium in muscle contraction.
  • Describe how muscle structure influences contraction strength and speed.
$2.00
Grade 8 Science | Nervous Coordination Worksheet & Answer Key (Printable PDF)

Grade 8 Science | Nervous Coordination Worksheet & Answer Key (Printable PDF)

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Understand how the nervous system transmits rapid signals through neurons.
  • Identify cellular features like myelination and synaptic vesicles that enhance signaling speed.
  • Describe how neuron networks control reflexes, movements, and gland secretions.
$2.00
Grade 8 Science | DNA and Traits Worksheet (PDF + Answer Key) NGSS-Aligned

Grade 8 Science | DNA and Traits Worksheet (PDF + Answer Key) NGSS-Aligned

Lumora LearningCreated byLumora Learning
ScienceGrade 8

Learning Objectives

  • Explain the relationship between DNA sequence and protein structure.
  • Describe how gene structure and mutations affect observable traits.
  • Illustrate the processes of transcription and translation.
$2.00
Grade 8 Science | Mendelian Patterns Worksheet (Answer Key & Rubric)

Grade 8 Science | Mendelian Patterns Worksheet (Answer Key & Rubric)

Lumora LearningCreated byLumora Learning
ScienceGrade 8

Learning Objectives

  • Understand how dominant and recessive alleles influence observable traits.
  • Predict genotypic and phenotypic ratios using Punnett squares.
  • Explain the segregation of alleles during inheritance.
$2.00
Grade 12 Science – Effective Public Messaging Worksheet for Mastery

Grade 12 Science – Effective Public Messaging Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 12

Learning Objectives

  • Understand the principles of translating scientific findings into accessible formats for the general public.
  • Identify ethical considerations and framing techniques in science communication.
  • Describe the role of evidence summaries and infographics in supporting public understanding.
$2.00
Grade 12 Science – Effective Public Messaging Worksheet for Mastery

Grade 12 Science – Effective Public Messaging Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 12

Learning Objectives

  • Understand key principles of translating scientific findings into accessible formats for the public.
  • Identify strategies to communicate risks accurately without overstating claims.
  • Evaluate the use of analogies, plain language, and visuals like infographics in science communication.
$2.00
Grade 12 Science Worksheet on Tools and Instrumentation | TEKS

Grade 12 Science Worksheet on Tools and Instrumentation | TEKS

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 12

Learning Objectives

  • Describe the role of various scientific tools and instrumentation in hypothesis testing.
  • Explain the principles and applications of PCR, DNA sequencing, and mass spectrometry.
  • Assess the trade-offs between sensitivity, specificity, and resource constraints in technological choices.
Free
Variable Mass Worksheet for Grade 12 Science | PDF Answer Key & Rubric

Variable Mass Worksheet for Grade 12 Science | PDF Answer Key & Rubric

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 12

Learning Objectives

  • Explain how momentum conservation applies to systems with changing mass.
  • Describe the effects of mass ejection or accretion on vehicle momentum and thrust.
  • Derive the qualitative basis for the rocket equation through momentum exchange.
$2.00
Systems Analysis Worksheet for Grade 8 Science | Alberta Standards

Systems Analysis Worksheet for Grade 8 Science | Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Understand the components and forces involved in complex systems.
  • Analyze vector contributions and assess equilibrium or net acceleration.
  • Identify internal vs. external forces within systems.
$2.00
Grade 8 Science Worksheet on Springs And Elasticity | Alberta Standards

Grade 8 Science Worksheet on Springs And Elasticity | Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Understand the proportional relationship between force and displacement in elastic materials.
  • Identify real-world examples of springs and elastic elements.
  • Explain the concept of linear elastic behavior and the direction of restorative forces.
$2.00
Inclined Forces Worksheet | Grade 8 Science | Alberta Standard

Inclined Forces Worksheet | Grade 8 Science | Alberta Standard

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Understand how forces are decomposed into components along an incline and perpendicular to it.
  • Analyze how slope steepness affects the unbalanced force and potential acceleration of objects.
$2.00
Grade 8 Science Worksheet on Aerodynamic Drag | Alberta Standards

Grade 8 Science Worksheet on Aerodynamic Drag | Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Explain the concept of aerodynamic drag and the factors influencing it.
  • Describe how shape and flow conditions affect air resistance in practical applications.
  • Analyze the impact of aerodynamic forces on vehicle efficiency and design.
$2.00
Grade 8 Science – Newtonian Laws Worksheet for Mastery

Grade 8 Science – Newtonian Laws Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 8

Learning Objectives

  • Explain Newton's three laws of motion and their significance in understanding force and movement.
  • Describe examples illustrating inertia, force-acceleration relationships, and action–reaction pairs.
  • Apply proportional reasoning to relate force, mass, and acceleration in different contexts.
$2.00
Grade 8 Science — Simple Machines Worksheet for Mastery

Grade 8 Science — Simple Machines Worksheet for Mastery

The Resource HubCreated byThe Resource Hub
ScienceGrade 8

Learning Objectives

  • Understand the basic functions of common simple machines such as levers, pulleys, inclined planes, wheels and axles, wedges, and screws.
  • Explain how simple machines modify the force and distance in performing work.
  • Identify everyday examples of simple machines and their configurations.
$2.00
Nuclear Processes Grade 12 Science Worksheet | Alberta Standards

Nuclear Processes Grade 12 Science Worksheet | Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 12

Learning Objectives

  • Explain radioactive decay, half-life, and nuclear reactions with quantitative laws.
  • Analyze the energetics and conservation principles in nuclear phenomena.
  • Apply calculations related to decay chains, activity, and energy release in practical contexts.
$2.00
Data Uncertainty Worksheet for Grade 12 Science | Alberta Standards

Data Uncertainty Worksheet for Grade 12 Science | Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 12

Learning Objectives

  • Understand the sources and types of measurement and sampling errors in environmental data.
  • Apply statistical methods such as propagation of uncertainty, hypothesis testing, and confidence intervals to real-world data.
  • Interpret the implications of uncertainty and non-significant results in scientific conclusions, particularly in environmental monitoring.
$2.00
Grade 12 Science Worksheet on Atomic Models | Alberta Standards

Grade 12 Science Worksheet on Atomic Models | Alberta Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 12

Learning Objectives

  • Describe the evolution of atomic models from Dalton to quantum mechanical models.
  • Identify key subatomic particles and their roles in atomic structure.
  • Explain the significance of isotopes and how they are used in geological dating and resource extraction.
$2.00
Climate Impacts Worksheet for Grade 8 Science | Ontario Standards

Climate Impacts Worksheet for Grade 8 Science | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Understand how climate variability affects water systems.
  • Identify the consequences of changing precipitation and snowpack dynamics.
  • Analyze impacts of evapotranspiration and runoff timing on water availability.
$2.00
Contaminant Transport Science Worksheet | Ontario Grade 8 Standard

Contaminant Transport Science Worksheet | Ontario Grade 8 Standard

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Understand the processes governing movement of contaminants in surface and groundwater.
  • Identify key mechanisms such as advection, dispersion, and biodegradation affecting contaminant fate.
  • Explain the formation and migration of contaminant plumes in aquifers.
$2.00
Global Distribution of Water Resources Grade 8 Science Worksheet | Ontario

Global Distribution of Water Resources Grade 8 Science Worksheet | Ontario

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Understand the distribution and storage of freshwater and saline water reservoirs worldwide.
  • Identify spatial patterns and factors influencing freshwater availability.
  • Recognize important implications of uneven water distribution for human use and regional security.
$2.00
Green Infrastructure Science Worksheet Grade 8 | Ontario Standards Practice

Green Infrastructure Science Worksheet Grade 8 | Ontario Standards Practice

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Understand different types of green infrastructure and their functions in stormwater management.
  • Identify design parameters that influence the effectiveness of green infrastructure.
  • Explain the environmental benefits such as groundwater recharge and peak flow reduction.
$2.00
Hydrologic Cycle Worksheet – Grade 8 Science – Ontario Standards

Hydrologic Cycle Worksheet – Grade 8 Science – Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Describe the main processes involved in the water cycle, including evaporation, condensation, precipitation, infiltration, and runoff.
  • Explain the concept of water reservoirs and their residence times such as oceans, glaciers, and aquifers.
  • Discuss how solar energy and gravity drive fluxes and seasonal redistribution of water across regions.
$2.00
Grade 8 Science Worksheet | Integrated Water Resources Management | Ontario

Grade 8 Science Worksheet | Integrated Water Resources Management | Ontario

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Understand the principles of integrated water resources management and its components.
  • Identify governance instruments used in water management and their role in policy making.
  • Explain how monitoring and stakeholder coordination contribute to sustainable water use.
$2.00
Sources of Pollution Worksheet Grade 8 Science Ontario Standards PDF

Sources of Pollution Worksheet Grade 8 Science Ontario Standards PDF

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Differentiate between point and nonpoint sources of pollution with examples.
  • Understand processes like nutrient enrichment, eutrophication, and oxygen depletion.
  • Connect land use and landscape practices to pollutant transport pathways and vulnerabilities.
$2.00
Water Quality Indicators Grade 8 Science Worksheet | Ontario Standards

Water Quality Indicators Grade 8 Science Worksheet | Ontario Standards

Coral Reef LearningCreated byCoral Reef Learning
ScienceGrade 8

Learning Objectives

  • Identify physical, chemical, and biological water quality indicators.
  • Interpret ranges of indicator values for aquatic health.
  • Understand sources of variability and natural baseline conditions.
$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.