Reading comprehension Worksheets

Learning Objectives

• Identify the criteria for success in an engineering problem and explain why they matter
• Distinguish engineering constraints from criteria and describe how constraints limit solutions
• Use a problem statement to guide tradeoffs and iterative design decisions

Learning Objectives

• Understand the processes involved in biogeochemical cycles such as water, carbon, nitrogen, and phosphorus cycles.
• Explain how biological and physical processes contribute to nutrient cycling in ecosystems.
• Analyze the impact of human activities on the natural flow of biogeochemical elements.+ Show more

Learning Objectives

• Explain how radiometric dating estimates absolute geologic time using radioactive decay in minerals
• Describe the role of half-life in connecting isotope decay to the fraction of parent and daughter products remaining
• Evaluate how assumptions (starting conditions and closed-system behavior) affect the reliability of radiometric dates

Learning Objectives

• Explain how mutations create heritable variation in DNA and how that variation can affect alleles in a population
• Describe how mutations may or may not influence traits or survival depending on their effect on proteins and gene regulation
• Connect mutation and natural selection to predict how allele frequencies can change over generations

Learning Objectives

• Understand the concept of reference frames and their importance in describing motion.
• Differentiate between position, displacement, velocity, and acceleration in various reference frames.
• Interpret position-time and velocity-time graphs for uniform and accelerated motion.+ Show more

Learning Objectives

• Explain how transcription converts DNA information into messenger RNA (mRNA).
• Describe how translation uses mRNA codons to build a specific polypeptide chain.
• Analyze how DNA sequence changes (mutations) can affect protein function and cell behavior.+ Show more

Learning Objectives

• Use particle accounting to track conservation of atoms during chemical reactions.
• Connect atomic diagrams to conservation by comparing atom totals before and after a reaction.
• Explain which bonds break and which bonds form using particulate (atomic-level) representations.

Learning Objectives

• Explain how changes in Earth’s surface can alter climate through physical mechanisms such as energy balance and atmospheric circulation
• Interpret evidence from long-term records (ice cores and sediments) to make and evaluate climate-related claims
• Connect land-cover, volcanic aerosols, and topographic changes to expected shifts in temperature and precipitation+ Show more

Learning Objectives

• Explain the concept of relative velocity and how it depends on the observer's frame of reference.
• Determine the relative velocity of objects moving in different directions using vector subtraction.
• Apply classical velocity addition and subtraction rules for objects moving at speeds much less than light.+ Show more

Learning Objectives

• Explain the process of ionic bonding and how it results in the formation of ions.
• Describe the properties and characteristics of ionic compounds, including melting points and conductivity.
• Understand lattice energy and its influence on ionic compound stability and solubility.+ Show more

Learning Objectives

• Understand the concept of hybridization and how it explains molecular geometries.
• Identify common hybridizations such as sp, sp2, and sp3 and their associated geometries.
• Explain the role of hybrid orbitals in covalent bonding, including sigma and pi bonds.+ Show more

Learning Objectives

• Explain how energy moves from producers to higher trophic levels in an ecosystem.
• Describe why available energy decreases at higher trophic levels due to metabolic losses.
• Use energy-transfer models (e.g., energy pyramids) to predict patterns in biomass and population size.

Learning Objectives

• Explain how evidence-based climate forecasts combine observations with outputs from climate models.
• Evaluate climate model results by comparing predicted patterns with historical trends and measurable indicators.
• Describe major climate impacts (precipitation patterns, temperature extremes, sea-level rise, and ecosystem/water effects) and how uncertainty is used in decision-making.

Learning Objectives

• Explain how Punnett-style genotype combinations lead to phenotype probabilities
• Use probability reasoning to predict likely offspring trait outcomes from allele inheritance
• Interpret observed trait frequencies as evidence of underlying genetic probabilities+ Show more

Learning Objectives

• Understand how multiple organ systems coordinate responses to stressors such as exercise or hemorrhage.
• Identify physiological changes across cardiovascular, respiratory, endocrine, and renal systems during systemic responses.
• Explain the role of neural and hormonal signals in synchronizing systemic responses.+ Show more

Learning Objectives

• Understand the mechanisms involved in physiological regulation of internal variables.
• Identify examples of negative and positive feedback in the body.
• Explain how sensors, control centers, and effectors work together to maintain stability.+ Show more

Learning Objectives

• Understand the concept of the center of mass and its significance in physics.
• Apply conservation of momentum principles relative to the center of mass.
• Analyze complex systems using the location of the center of mass to simplify calculations.+ Show more

Learning Objectives

• Understand the sequential biochemical pathways involved in cellular respiration.
• Identify the key molecules and their roles in glycolysis, Krebs cycle, and electron transport chain.
• Explain how electrons transfer through redox reactions to generate ATP during respiration.+ Show more

Learning Objectives

• Explain how gravitational potential energy and kinetic energy change when an object moves up or down in a gravitational field
• Use conservation reasoning to predict how an object’s speed changes in a simplified (energy-conserving) system
• Describe how a roller coaster model represents energy transfers between potential and kinetic energy

Learning Objectives

• Differentiate physical (reversible) changes from chemical (usually not reversible) changes using evidence
• Identify signs of chemical changes such as new substances, permanent color change, and gas production
• Use particle/atomic ideas to explain why reversing conditions may not restore the original substance

Learning Objectives

• Identify various indicators of chemical and physical changes through observation.
• Differentiate between physical and chemical change based on observable clues.
• Understand properties affected by chemical reactions such as melting point, solubility, and conductivity.+ Show more

Learning Objectives

• Identify multiple types of geological evidence that support plate movement over long time periods
• Explain how rock age, rock type, mountain belt alignment, and seafloor features help reconstruct past plate positions
• Use fossil and mineral information to evaluate whether regions could have been once-adjacent+ Show more

Learning Objectives

• Understand the factors influencing population change, including birth rates, death rates, immigration, and emigration.
• Identify patterns of population growth, stability, and decline.
• Explore how reproductive strategies, age structure, and resource availability affect growth rates.+ Show more

Learning Objectives

• Explain how gravitational attraction depends on mass and distance
• Describe gravity as a force that acts at a distance and changes an object’s motion
• Use gravity concepts to interpret everyday examples (weight, orbits, and weaker gravity far from Earth)

Learning Objectives

• Explain the concept of particle-level representations in describing chemical reactions.
• Identify how particles are depicted in diagrams to show breaking and forming bonds.
• Describe the relationship between microscopic particle models and macroscopic observations.+ Show more

Learning Objectives

• Explain how conduction, convection, and radiation transfer thermal energy from warmer to cooler regions
• Identify evidence of each thermal transfer mode in everyday situations
• Use basic particle and fluid-motion ideas to justify temperature changes across a system

Learning Objectives

• Explain how earthquake locations relate to plate boundaries and fault belts
• Describe how seismic timing and wave behavior provide clues about tectonic motion and Earth’s interior
• Use simple models and evidence to connect seismic observations to Earth structure

Learning Objectives

• Understand how conservation of mass applies to chemical reactions in different systems.
• Differentiate between open and closed systems in mass transfer.
• Apply quantitative methods to track reactant and product masses, converting to moles and using balanced equations.+ Show more

Learning Objectives

• Understand the principles of complex chemical reaction networks and their properties.
• Apply conservation of mass concepts across interconnected chemical reactions.
• Explain equilibrium in multi-step reactions and how it affects observable properties.+ Show more

Learning Objectives

• Explain how fossils in sedimentary layers provide evidence for Earth’s past environments and conditions
• Use fossil correlations to infer that distant regions may have had similar organisms when tectonic plates were arranged differently
• Describe how rock characteristics and layer ages strengthen interpretations of geologic history and plate movement

Learning Objectives

• Understand how human land use alters natural habitats and ecological connectivity.
• Identify the impacts of land fragmentation on biodiversity and species survival.
• Evaluate how different land uses like agriculture and urban development affect ecosystems.+ Show more

Learning Objectives

• Understand how property shifts such as pH, conductivity, density, and refractive index indicate chemical changes.
• Distinguish between physical and chemical transformations using property measurements.
• Recognize examples of property changes that suggest formation of new substances.

Learning Objectives

• Interpret stratigraphic sequences, fossil assemblages, and radiometric age data to reconstruct Earth's history.
• Understand sedimentary facies models, cross-section interpretations, and isotopic systematics as tools for correlating depositional environments and tectonic episodes.
• Recognize the limitations of temporal resolution, unconformities, and the importance of integrating multiple evidence types in geologic chronologies.+ Show more

Learning Objectives

• Explain the organization of pigments within photosynthetic membranes and their role in capturing light energy.
• Describe the electron transport chain and how it converts light energy into chemical energy.
• Analyze the coupling between light reactions and the Calvin cycle in carbon fixation.+ Show more

Learning Objectives

• Understand how genetic drift and natural selection influence allele frequencies in populations.
• Describe the role of probability in modeling evolutionary processes.
• Differentiate between randomness and selection as mechanisms driving evolution.+ Show more

Learning Objectives

• Understand the relationship between mass defect and energy release in nuclear processes.
• Explain how conservation principles apply to decay chains, fusion, and fission.
• Describe the concept of binding energy and its role in nuclear stability.+ Show more

Learning Objectives

• Explain the process of nuclear fusion occurring in the sun's core.
• Describe how changes in fusion rates influence the sun's energy output.
• Connect stellar fusion processes to element formation and the evolution of stars.+ Show more

Learning Objectives

• Understand and interpret p-values, confidence intervals, and effect sizes in statistical inference.
• Apply hypothesis testing techniques to real-world datasets, including dose-response and temperature anomalies.
• Perform residual analysis and regression diagnostics to assess model assumptions.+ Show more

Learning Objectives

• Explain Newton's third law of motion and how forces occur in pairs during interactions.
• Describe how paired forces influence motion changes in colliding objects.
• Analyze the concept of recoil and how force pairs affect different objects based on mass.+ Show more

Learning Objectives

• Understand the interactions between atmospheric and oceanic systems in climate regulation.
• Explain how ocean currents and upwelling influence regional weather patterns.
• Analyze feedback mechanisms between ocean temperatures and atmospheric conditions.+ Show more

Learning Objectives

• Understand how atomic structure influences periodic trends such as reactivity, electronegativity, and ion formation.
• Analyze patterns in electron arrangements across periods and groups in the periodic table.
• Explain the relationship between atomic number, electron configuration, and element properties.+ Show more

Learning Objectives

• Understand the role of conceptual, statistical, and numerical models in representing Earth processes.
• Analyze the limitations and uncertainties associated with different Earth models.
• Interpret model outputs and translate them into visual and interpretive diagrams.+ Show more

Learning Objectives

• Explain how impulse relates to change in momentum, including the role of net force and time interval
• Use the idea of impulse to predict how different force–time combinations can produce the same momentum change
• Determine how direction affects impulse and momentum change+ Show more

Learning Objectives

• Explain how constraints shape feasible engineering designs
• Translate constraints into measurable requirements and identify trade-offs
• Evaluate design options for a system under power, flow, cost, regulatory, and environmental limits+ Show more

Learning Objectives

• Explain how tectonic activity, erosion, sedimentation, and weathering form major landforms and influence resource distribution
• Analyze how timescales of Earth processes affect land stability and the availability of resources
• Connect geologic history to real-world groundwater and ecosystem resources

Learning Objectives

• Explain how gravity influences the motion of orbiting bodies such as planets and moons
• Describe the relationships among mass, distance, and orbital speed in orbital motion
• Use observed orbital patterns to connect gravitational attraction to predictable trajectories+ Show more

Learning Objectives

• Explain how allele frequency and trait distributions describe genetic variation in populations
• Determine how random processes, heritable mutations, and gene interactions contribute to variability
• Describe how natural selection can shift allele frequencies from one generation to the next

Learning Objectives

• Explain how monitoring data can reveal changes in air and water quality over time
• Describe how monitoring evidence (chemical indicators, flow conditions, and spatial patterns) links pollution to sources and processes
• Use measurement results to evaluate pollution mitigation and prevention strategies+ Show more