Reading comprehension Worksheets

Learning Objectives

• Explain how natural selection, mutation, migration (gene flow), and genetic drift change allele frequencies over time.
• Use quantitative concepts such as selection coefficients and effective population size to predict evolutionary outcomes.
• Evaluate how inbreeding and population structure (including metapopulations) affect genetic diversity and conservation decisions.

Learning Objectives

• Explain how incoming solar radiation is absorbed, reflected, and redistributed within Earth’s climate system.
• Analyze how latitude, seasons, and surface properties affect the energy balance at the surface and in the atmosphere.
• Use energy-balance ideas to interpret weather patterns and long-term climate tendencies.

Learning Objectives

• Explain how amplitude, frequency, wavelength, and phase describe wave behavior in both transverse and longitudinal waves.
• Use the wave speed relationship v = fλ to solve problems involving sound, string waves, and water-wave scenarios.
• Apply sinusoidal reasoning to predict how interference and standing waves form from superposition and reflections.

Learning Objectives

• Explain the relationship between impulse and change in momentum using vector ideas
• Use impulse as the area under a force–time graph to predict momentum change
• Compare how different force–time profiles can produce the same impulse

Learning Objectives

• Explain how major organ systems (circulatory, respiratory, digestive, renal, nervous, endocrine) work together to maintain homeostasis
• Describe how feedback communication helps coordinate body functions under changing external conditions
• Use evidence from a reading passage to connect organ system roles with specific physiological outcomes

Learning Objectives

• Distinguish oxidation and reduction and identify oxidizing and reducing agents from electron transfer and oxidation state changes
• Use oxidation numbers to determine whether a species is oxidized or reduced in redox reactions
• Balance simple redox reactions using half-reaction reasoning while conserving atoms and charge

Learning Objectives

• Identify how personal, social, cultural, and environmental factors influence health choices
• Evaluate how family traditions, peer influence, community standards, and resource access can either support or challenge healthy decisions
• Apply health factors to make and justify healthier choices that reduce health risks

Learning Objectives

• Explain how the Calvin cycle uses ATP and NADPH to fix carbon dioxide into organic molecules.
• Describe the main phases of the Calvin cycle: carbon fixation, reduction, and RuBP regeneration.
• Connect specific enzymes and intermediates (like RuBisCO and 3-carbon intermediates) to each phase.

Learning Objectives

• Compare DNA and RNA structural features, including strand structure, sugar type, and base composition
• Explain how complementary base pairing and strand directionality relate to replication and transcription
• Describe how structural differences influence the stability and functions of DNA and RNA

Learning Objectives

• Explain Mendelian inheritance using dominant/recessive phenotypes and genotype ratios
• Compare non-Mendelian patterns (incomplete dominance, codominance, multiple alleles, polygenic, sex-linked, imprinting, mitochondrial) to Mendelian expectations
• Apply gene interaction ideas (environmental effects and linkage) to predict why phenotype ratios change

Learning Objectives

• Explain how plate convergence and continental collision produce mountain building through folding, thrust faulting, and crustal shortening.
• Identify key tectonic processes (magmatic intrusion and isostatic rebound) and describe how they change rock structure and elevation.
• Use rock types, structural patterns, and timing clues to infer tectonic history and reconstruct past plate motions.

Learning Objectives

• Explain how Coulombic attraction and repulsion between charged particles contribute to electrostatic bonding.
• Relate electron distribution to the physical properties of materials such as melting point, solubility, and conductivity.
• Use charge-based reasoning to predict stability and structure in ionic/charged systems.

Learning Objectives

• Explain how efficiency is calculated from useful output energy (or work) and total input energy.
• Distinguish between transferred energy and energy losses (such as heat dissipation) in energy-flow models.
• Use efficiency and constraints to justify why real devices cannot convert all input energy into useful work.+ Show more

Learning Objectives

• Explain how kinetic and potential energy can change within mechanical systems.
• Describe energy transfers due to work, collisions, and friction, and predict how motion changes.
• Use conservation of energy ideas to account for where mechanical energy goes when heat is produced.+ Show more

Learning Objectives

• Identify and label all external forces acting on an isolated object in a free body diagram.
• Determine the direction of each force vector and distinguish forces that cancel from forces that produce net force.
• Use net force and Newton’s second law concepts to predict acceleration and motion outcomes.

Learning Objectives

• Explain how elements (carbon, nitrogen, phosphorus) cycle through the lithosphere, hydrosphere, atmosphere, and biosphere.
• Describe how weathering, biological uptake, decomposition, and sedimentation transform nutrient reservoirs over time.
• Analyze how human activities change biogeochemical cycle rates and affect long-term concentrations through feedbacks.

Learning Objectives

• Analyze how external and internal forces interact in a multi-body mechanical system using Newton’s laws and net force ideas
• Predict motion changes by determining the direction and magnitude of net force for linked components
• Use energy accounting to track where energy transfers and where it is dissipated (e.g., heat/sound) during collisions or mechanical events+ Show more

Learning Objectives

• Explain how energy can be stored in electric and magnetic fields and relate it to energy density.
• Describe how work done to assemble charge or current distributions becomes field energy in circuits.
• Use energy flux ideas (Poynting vector) to connect microscopic fields to macroscopic power transfer.

Learning Objectives

• Explain how a story’s central message is supported by key details such as events, actions, and outcomes.
• Identify details that repeat, change over time, or become important as the story develops.
• Use evidence from the text to describe how the central message shifts or becomes clearer.

Learning Objectives

• Define linear momentum and impulse and explain how they relate to changes in motion.
• Apply conservation of momentum to isolated systems and interpret direction using vectors.
• Differentiate elastic and inelastic collisions using momentum conservation and kinetic energy outcomes.+ Show more

Learning Objectives

• Explain how limiting factors control population growth and distribution in ecosystems
• Distinguish abiotic limiting factors (nonliving) from biotic limiting factors (living)
• Use evidence from scenarios to predict how changes in limiting factors affect survival and reproduction+ Show more

Learning Objectives

• Identify physical properties that can be used to separate components of a mixture
• Explain why mixture separation does not create a new substance
• Choose an appropriate separation method for a given mixture based on its properties+ Show more

Learning Objectives

• Explain what health advocacy is and why it matters in a community.
• Use effective communication skills to share health information respectfully and clearly.
• Identify ways to mobilize resources and influence others to support healthy actions.

Learning Objectives

• Explain how social and economic factors can lead to different health outcomes in communities.
• Identify common barriers to healthcare access and describe how they affect health equity.
• Evaluate strategies that reduce disparities and promote inclusive, supportive health environments.+ Show more

Learning Objectives

• Explain how persuasive communication can influence health attitudes and behaviors.
• Identify persuasive techniques used in effective health messages.
• Describe how message reception can change based on social, cultural, and individual factors.+ Show more

Learning Objectives

• Explain how a food web shows feeding relationships and alternative energy pathways.
• Describe how changes to one species can cause cascading effects through an ecosystem.
• Use food web ideas (connectivity, redundancy, and specialization) to predict stability after disturbances.

Learning Objectives

• Analyze how perspective-taking, active listening, and empathy reduce conflict and stress.
• Demonstrate respectful communication skills for expressing feelings without blame.
• Apply ethical steps to seek mutually acceptable solutions that support emotional safety.

Learning Objectives

• Explain what refusal skills are and why they matter for health and safety in social situations.
• Identify assertive refusal language that communicates boundaries clearly and respectfully.
• Apply refusal strategies to scenarios involving peer pressure and unwanted commitments.

Learning Objectives

• Explain how personal values, boundaries, and respect for others guide ethical relationship decisions
• Identify key ethical principles in relationships, including honesty, confidentiality, and consent
• Analyze how peer pressure and societal norms can influence choices and affect emotional wellbeing+ Show more

Learning Objectives

• Identify common emotional, behavioral, and physical signs of mental health concerns in adolescents.
• Explain how stigma can affect help-seeking and describe respectful ways to encourage support.
• Choose appropriate next steps when symptoms persist or interfere with daily life.

Learning Objectives

• Use safe handling rules for sports equipment like balls, ropes, and mats
• Demonstrate safe movement skills for holding, launching, and catching
• Identify common hazards during physical activities and explain how to prevent injuries+ Show more

Learning Objectives

• Explain how major determinants of health (social, economic, environmental, and biological) influence individual health behaviors.
• Analyze how patterns in determinants can lead to differences in health outcomes across populations.
• Apply a determinants-of-health perspective to make more equitable health decisions at the individual and community levels.

Learning Objectives

• Explain how health promotion supports individual and community well-being through education, policies, and social support
• Identify key health behaviors (nutrition, physical activity, and mental health care) and describe how they help prevent disease
• Analyze cultural, environmental, and personal influences that affect motivation and participation in healthy choices+ Show more

Learning Objectives

• Explain how scientific models represent systems that are too large, too small, or too complex to study directly.
• Describe how evidence from observations and measurements can be used to evaluate and improve a model.
• Identify what a model can represent and what it cannot represent.

Learning Objectives

• Decompose two-dimensional projectile motion into independent horizontal and vertical components.
• Use kinematic equations to predict horizontal motion, vertical motion, and key trajectory features (range, maximum height, and time of flight).
• Explain how initial speed and launch angle determine projectile outcomes using symmetry of parabolic flight.

Learning Objectives

• Explain how a food chain transfers energy and nutrients through trophic levels
• Identify producers and different consumer roles in a simple food chain
• Describe how changes in one population can affect other populations in a linear food chain

Learning Objectives

• Explain how infectious germs spread and why timing (before symptoms) matters for prevention
• Identify key disease prevention behaviors such as hand hygiene, covering coughs, sanitation, and staying home when sick
• Describe how vaccination and community responsibility help reduce outbreaks

Learning Objectives

• Explain how legislation and community advocacy can influence health outcomes.
• Identify strategies for evaluating and communicating about public health policies.
• Analyze how attitudes toward health issues are shaped by policy decisions and community efforts.+ Show more

Learning Objectives

• Identify whether an account is firsthand or secondhand based on the writer’s evidence and perspective.
• Explain how firsthand and secondhand accounts differ in wording, detail selection, and trustworthiness.
• Use text evidence to support claims about which details are likely from direct observation versus sources.

Learning Objectives

• Explain how DNA stores genetic information using complementary base pairing and nucleotide sequence.
• Describe how DNA sequence directs protein and functional-molecule production through transcription and translation.
• Analyze how DNA replication, mutation, and inheritance contribute to genetic variation and evolutionary change.

Learning Objectives

• Explain how population dynamics connect genetics (allele frequencies) with ecology (population size, growth, and survival) over time.
• Use the Hardy-Weinberg equilibrium as a baseline to predict expected allele/genotype frequencies when evolution is not occurring.
• Identify how selection, genetic drift, gene flow, and mutation can change allele frequencies and demographic parameters.+ Show more

Learning Objectives

• Explain how human activities can change habitat, nutrient cycles, and energy pathways in an ecosystem.
• Connect deforestation, pollution, and non-native species to effects on biodiversity and ecosystem services.
• Identify evidence-based cause-and-effect relationships between human actions and long-term ecosystem outcomes.

Learning Objectives

• Explain how food webs connect multiple food chains using feeding relationships in an ecosystem.
• Describe how energy flows through producers, consumers, and predators in a food web.
• Interpret how changes (disturbances) to one organism can affect multiple organisms in a food web.+ Show more

Learning Objectives

• Explain the difference between a habitat and a niche using examples
• Describe how overlapping niches can cause competition and limit population growth
• Analyze how resource partitioning can support species coexistence+ Show more

Learning Objectives

• Explain how influencing others can lead to community health improvements.
• Identify steps for organizing support, raising awareness, and advocating for health policies.
• Use communication and planning skills to propose realistic community health actions.

Learning Objectives

• Explain how producers capture energy and how consumers obtain energy in a food web.
• Identify primary, secondary, and higher-level consumers and describe their roles.
• Describe how energy transfer limits affect ecosystem productivity and stability.

Learning Objectives

• Explain the difference between speed and velocity, including how direction affects velocity.
• Calculate and interpret average speed using total distance and elapsed time.
• Identify how changing speed affects motion and describe motion using consistent measurement units.

Learning Objectives

• Distinguish primary succession from secondary succession using key characteristics such as soil presence and starting conditions.
• Explain how pioneer species change environmental conditions and how that affects later species.
• Describe how succession can increase biodiversity and lead to a relatively stable community (while still allowing different outcomes).