Reading comprehension Worksheets
40,241 type resourcesGrade 9 Science | Argument Structures Worksheet | AP Science Practice
Learning Objectives
- Understand the construction and critique of scientific arguments using claim-evidence-reasoning structures.
- Identify coherence, relevance, and how alternative explanations are considered in scientific reasoning.
- Explain how quantitative evidence and model comparisons strengthen arguments.
Grade 9 Science | Physical Changes Worksheet | Alberta Standards
Learning Objectives
- Define and differentiate between physical changes and chemical transformations.
- Identify examples of reversible physical changes in everyday scenarios.
- Analyze the effects of phase shifts like melting and freezing in natural and engineered processes.
Grade 9 Science | Comparative Structures Worksheet | TEKS Aligned
Learning Objectives
- Understand how organelle morphology varies across different cell types and taxa.
- Identify examples of cellular adaptations relating structure to function.
- Relate form and abundance of organelles to specialized physiological roles.
Grade 9 Science | Electron Configuration Worksheet | BC Aligned
Learning Objectives
- Describe how electrons are distributed among energy levels and orbitals in an atom.
- Explain the significance of valence electrons in chemical reactivity and bonding.
- Understand the shell filling order and its relation to periodic trends.
Grade 9 Science Assessment | Work Calculations Worksheet | Ontario Standard
Learning Objectives
- Understand the concept of work as the dot product of force and displacement, including the role of the cosine of the angle between them.
- Calculate work done by constant forces at an angle, including lifting against gravity and pulling objects.
- Compare methods for calculating work when forces vary, including using the area under force–distance curves in common approximations.
Grade 9 Science | Earth Magnetism Worksheet Elena | Alberta Standards
Learning Objectives
- Understand the origin and characteristics of Earth's magnetic field.
- Explain regional variations in magnetic declination and their implications.
- Describe how magnetic dip and field behavior relate to planetary magnetism.
Grade 9 Science | Tissue Types Worksheet | BC Aligned
Learning Objectives
- Understand the different types of tissues and their functions.
- Identify characteristics of epithelial, connective, muscle, and nervous tissues.
- Explain how tissue structure relates to function in organs.
Grade 9 Science | Chromosomes and DNA Worksheet | Alberta Standards
Learning Objectives
- Explain the structure and function of DNA and chromosomes.
- Describe how genetic material is organized within cells.
- Distinguish between nuclear and organelle genomes.
Grade 9 Science | Communicating Uncertainty Worksheet | AP Alignment
Learning Objectives
- Understand conventions for conveying quantitative uncertainty in scientific reports.
- Identify different methods such as interval estimates, effect sizes, and likelihood statements.
- Recognize visualizations that portray variability and their interpretation.
Grade 9 Science | Organelle Interactions Worksheet | TEKS Aligned
Learning Objectives
- Explain how different organelles work together to maintain cellular functions.
- Describe the pathways of genetic information flow and protein trafficking within a cell.
- Identify the roles of mitochondria, lysosomes, and the Golgi apparatus in cellular processes.
Grade 9 Science | Spheres Connectivity Worksheet | AP Aligned
Learning Objectives
- Understand the interactions among the geosphere, hydrosphere, atmosphere, and biosphere.
- Explain material and energy exchanges such as nutrient transport, gas fluxes, and ocean upwelling.
- Use conceptual models and diagrams to interpret coupled environmental phenomena.
Grade 9 Science | Vectors and Forces Worksheet Elena | Ontario Standard
Learning Objectives
- Understand the representation of forces as vectors including magnitude and direction.
- Learn to decompose forces into components and compute resultant forces graphically and analytically.
- Apply vector addition to force interactions in two-dimensional contexts such as inclined planes and angled cables.
Grade 9 Science | Endocrine Feedback Worksheet | Ontario Standard
Learning Objectives
- Understand the role of hormonal feedback mechanisms in maintaining homeostasis.
- Explain how insulin and glucagon regulate blood glucose levels via negative feedback loops.
- Describe the thyroid gland's control of metabolic rate through hormonal regulation.
Grdae 9 Science | Energy Pathways Worksheet | AP Aligned
Learning Objectives
- Describe the main processes involved in atmospheric and oceanic energy transfer.
- Interpret global energy budget diagrams and flux tables to understand climate variability.
- Relate energy partitioning to observable climate indicators such as surface temperature and sea surface temperature anomalies.
Grade 9 Science | Patterns of Inheritance Worksheet | Alberta Standards
Learning Objectives
- Understand the principles of Mendelian inheritance, including dominant and recessive alleles.
- Distinguish between genotype and phenotype in genetic traits.
- Explain how Punnett squares predict trait segregation ratios.
Grade 9 Science | Mixtures and Solutions Worksheet | Alberta Standards
Learning Objectives
- Differentiate between heterogeneous mixtures and homogeneous solutions based on their properties.
- Identify key components of mixtures and solutions, such as solute and solvent.
- Understand how concentration affects the appearance and behaviour of mixtures.
Grade 9 Science Assessment | Newton Second Law Worksheet | Ontario
Learning Objectives
- Explain Newton's second law and its formula relating force, mass, and acceleration.
- Differentiate between mass and weight and understand their units.
- Apply the principle of vector quantities in force and acceleration analysis.
Grade 9 Science | Environmental Health Worksheet Elena | Ontario Standards
Learning Objectives
- Understand how environmental exposures influence cellular processes and long-term health.
- Identify types of pollutants and hazards affecting human health.
- Describe mechanisms by which pollutants cause DNA damage, endocrine disruption, and transport impairment.
Grade 9 Science | Graphical Literacy Worksheet | AP Data Analysis Practice
Learning Objectives
- Understand how to interpret various types of graphs including scatterplots, histograms, line graphs, and residual displays.
- Learn how to evaluate axis scaling, labeling, and binning choices to accurately interpret data patterns.
- Identify how visual features such as outliers, trends, and correlation inform model selection and analysis.
Grade 9 Science | Metabolic Regulation Worksheet | AP Aligned
Learning Objectives
- Understand the regulatory mechanisms that coordinate metabolic pathways, including allosteric control, covalent modification, and compartmentalization.
- Explain feedback inhibition and hormonal signals that shift metabolic flux between catabolism and anabolism.
- Model how enzyme kinetics and substrate concentrations influence pathway rates.
Grade 9 Science | Simulated Predictions Worksheet | AP Aligned
Learning Objectives
- Explain how simple computational simulations generate predictions based on hypothesized mechanisms.
- Describe the role of parameter sensitivity and scenario comparison in modeling.
- Understand how ensembles and visualizations represent uncertainty in forecasts.
Grade 9 Science | Organ Systems Worksheet | TEKS-Aligned
Learning Objectives
- Describe the main functions of human organ systems and how they work together.
- Explain how feedback mechanisms regulate physiological processes.
- Identify the roles of the circulatory, respiratory, digestive, renal, nervous, and endocrine systems.
Grade 9 Science | Simple Machines Worksheet | Alberta Standards
Learning Objectives
- Understand the fundamental concepts of simple machines and how they reduce effort.
- Identify common examples and applications of lever, wheel and axle, pulley, inclined plane, and screw.
- Explain the difference between ideal mechanical advantage and actual mechanical advantage considering friction and support geometry.
Grade 9 Science | Relative Motion Worksheet | Alberta Standards
Learning Objectives
- Explain how observed speed and direction depend on the reference frame.
- Describe scenarios illustrating vector addition of velocities in relative motion.
- Analyze how frame choices impact calculations of displacement, speed, and acceleration.
Grade 9 Science Assessment | Motion Graphs Worksheet Elena | Ontario Standard
Learning Objectives
- Interpret position–time and velocity–time graphs in various motion scenarios.
- Understand how slopes of graphs relate to physical quantities like velocity and acceleration.
- Calculate displacement from areas under velocity–time graphs.
Grade 9 Science | Kinetic and Potential Energy Worksheet | NGSSS Aligned
Learning Objectives
- Explain the relationship between kinetic energy and the speed of an object
- Describe how gravitational potential energy depends on height and a chosen reference level
- Interpret energy transfers between potential and kinetic energy in real systems such as roller coasters
Grade 9 Science | Power and Efficiency Worksheet | Alberta Standards
Learning Objectives
- Understand the definitions of power and efficiency in energy transfer systems.
- Analyze regional engineering examples related to power output and energy losses.
- Compare input power, mechanical output, and energy wastage in various machines.
Grade 9 Science Assessment | Work and Energy Worksheet Elena | Ontario Standard
Learning Objectives
- Define and distinguish between work, kinetic energy, and potential energy
- Understand the calculation of work for constant forces
- Explain energy transfer in mechanical systems such as lifting and accelerating objects
Grade 9 Science | Integrated Modeling Worksheet | AP Aligned
Learning Objectives
- Understand the components and interactions within coupled environmental models.
- Analyze how model structure, parameter sensitivity, and uncertainty influence environmental projections.
- Evaluate multi-variable outputs and indicator metrics to compare hypotheses.
Grade 9 Science | Friction and Drag Worksheet Elena | NGSSS Aligned
Learning Objectives
- Explain how friction and drag oppose relative motion and affect acceleration
- Identify the direction of friction and drag forces using everyday scenarios and free-body reasoning
- Describe how friction depends on normal force and surface conditions, and how drag depends on speed and shape
Grade 9 Science | Mountain Building | AP Aligned
Learning Objectives
- Explain the processes involved in mountain building, including crustal shortening, thickening, and metamorphism.
- Describe how isostatic adjustment influences mountain formation and landscape evolution.
- Analyze the relationship between plate convergence and surface topography using geologic evidence.
Grade 9 Science | Cell Division Basics Worksheet | Alberta Standards
Learning Objectives
- Understand the roles of mitosis and meiosis in growth, repair, and reproduction.
- Describe the processes of chromosome pairing, segregation, and potential errors such as nondisjunction.
- Explain how heredity transmission and variation are influenced by cell division mechanisms.
Grade 9 Science | Paleoclimate Proxies Worksheet | AP Aligned
Learning Objectives
- Understand how ice cores, tree rings, marine sediments, and speleothems serve as proxies for past climate conditions.
- Interpret proxy indicators such as isotopic ratios, growth increments, and microfossil assemblages to reconstruct climate history.
- Relate proxy records to temporal climate patterns, including glacial-interglacial cycles and abrupt climate events.
Comma & Semicolon Rules Worksheet Grade 9 ELA BC | Punctuation Practice
Learning Objectives
- Use commas correctly with introductory elements, coordinating conjunctions, and parenthetical information.
- Use semicolons to connect closely related independent clauses and avoid comma splices.
- Use colons to introduce explanations, lists, or evidence after a complete introductory statement.
Grade 9 Science | Friction and Drag Worksheet Elena | Ontario Standard
Learning Objectives
- Explain the differences between static and kinetic friction and how surface properties affect them.
- Describe the role of fluid drag and how it depends on velocity, surface area, and medium density.
- Apply quantitative relations involving μ coefficients and drag dependencies to real-world motion scenarios.
Grade 9 Science Assessment | Newton Third Law Worksheet Elena | Ontario
Learning Objectives
- Understand the concept of action–reaction force pairs in Newton's third law.
- Identify equal magnitude and opposite direction forces in various interactions.
- Analyze phenomena such as propulsion, gravitational attraction, and collisions through force pairs.
Grade 9 Science | Biotech Applications Worksheet | TEKS Aligned
Learning Objectives
- Explain key molecular techniques used in biotechnology such as PCR, gel electrophoresis, DNA sequencing, and CRISPR genome editing.
- Identify various applications of biotechnology in research, medicine, agriculture, and forensics.
- Discuss ethical, legal, and societal considerations associated with biotechnological advancements.
Grade 9 Science | Forces Overview Worksheet | NGSSS Aligned
Learning Objectives
- Explain how forces change an object’s state of motion through acceleration and changes in velocity.
- Distinguish between contact forces and field forces and give examples of each.
- Use force vectors to represent both magnitude and direction of forces.
Grade 9 Science | Balancing Equations Worksheet | NGSSS Florida Aligned
Learning Objectives
- Explain how balancing chemical equations reflects conservation of matter.
- Use coefficients to ensure the number of atoms of each element matches on both sides of an equation.
- Interpret coefficients as relative particle ratios to make predictions about products.
Grade 9 Science | Atmospheric Weather Processes Worksheet | NGSSS Aligned
Learning Objectives
- Explain how differences in air temperature create differences in air pressure that drive wind and atmospheric circulation.
- Describe how humidity and temperature determine whether water vapor condenses or evaporates to form clouds and precipitation.
- Compare radiation, conduction, and convection as mechanisms of heat transfer that influence weather at local and regional scales.
Grade 9 Science | Humidity and Clouds Worksheet | NGSSS Aligned
Learning Objectives
- Explain how moisture content and lifting/cooling of air lead to cloud formation through condensation
- Use relative humidity to describe how close air is to saturation and predict likely condensation
- Describe how latent heat release influences temperature and atmospheric stability
Grade 9 Science | Greenhouse Effect Worksheet | NGSSS Standards
Learning Objectives
- Explain how greenhouse gases affect the flow of energy in Earth’s atmosphere.
- Describe the process of infrared absorption and re-emission and how it changes outgoing heat.
- Interpret how changes in greenhouse gas concentration can alter Earth’s energy balance and surface temperature.
Grade 9 Science | Energy in Earth Systems Worksheet | NGSSS Aligned
Learning Objectives
- Explain how incoming solar radiation drives Earth’s energy cycle across the atmosphere, hydrosphere, geosphere, and biosphere
- Describe how energy returns to space through outgoing infrared radiation and how energy balance affects long-term temperature patterns
- Differentiate heat-transfer processes (conduction, convection, and latent heat during phase changes) and give examples
Grade 9 Science | Earth Season Causes Worksheet | NGSSS Aligned
Learning Objectives
- Explain how Earth’s axial tilt and orbital motion change the Sun’s angle and the length of day for each hemisphere.
- Describe why seasons are predictable periodic patterns caused by Sun–Earth geometry rather than Earth’s distance from the Sun.
- Connect seasonal sunlight changes to temperature cycles and real-world weather and environmental impacts.
Grade 9 Science | Climate Variability Worksheet | Florida NGSSS Aligned
Learning Objectives
- Explain how climate variability affects weather averages over months to years
- Describe ocean-atmosphere interactions (El Niño and La Niña) and their impacts on temperature and rainfall
- Distinguish natural variability from long-term climate trends using evidence across timescales and regions
Grade 9 Science | Climate and Controls Worksheet | NGSSS Aligned
Learning Objectives
- Distinguish climate from short-term weather using evidence from atmospheric patterns
- Explain how latitude, distance from water, elevation, and atmospheric circulation influence temperature and precipitation
- Use climate controls to predict how ecosystems and surface processes respond to typical ranges of conditions
Grade 9 Science | Mutation Sources Worksheet | NGSSS Aligned
Learning Objectives
- Explain how DNA replication errors can cause spontaneous mutations
- Identify environmental factors (such as radiation and chemicals) that can induce mutations
- Describe how mutations may or may not affect proteins and gene regulation
Grade 9 Science | Matter Cycles Worksheet | NGSSS Aligned
Learning Objectives
- Explain how chemical elements like carbon, nitrogen, and phosphorus cycle between organisms and the physical environment.
- Describe how respiration, decomposition, and nutrient uptake connect living things to air, water, and soil.
- Distinguish matter cycling from energy flow in trophic transfers.
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.