Science Worksheets

Learning Objectives

• Explain how observational records and proxy data provide evidence for past and present climate change.
• Describe how attribution analyses connect human activities to observed temperature and precipitation changes.
• Use uncertainty and confidence ideas to communicate scientific findings clearly.

Learning Objectives

• Explain how heritable differences can change allele frequencies over generations
• Use evidence-based reasoning to describe adaptation at the population level
• Compare convergent and divergent outcomes from different or similar selective pressures

Learning Objectives

• Explain how energy can transfer between systems by heating, work, and radiation
• Relate kinetic, gravitational potential, and elastic energy to particle motion, height, and deformation
• Predict the direction of energy transfer from observable changes such as temperature, speed, and height

Learning Objectives

• Explain how feedback loops maintain internal constancy (homeostasis) when conditions change.
• Describe how endocrine signaling and membrane transport work together to regulate key variables such as glucose, temperature, and ion concentrations.
• Use the language of set points and negative feedback to predict how the body responds to disturbances.

Learning Objectives

• Explain how redshift and Hubble’s law connect observations to the expansion history of the universe.
• Describe how the cosmic microwave background and primordial element abundances constrain cosmic age and early conditions.
• Connect radiometric dating of meteorites to the age of the solar system.+ Show more

Learning Objectives

• Explain how electron structure (valence electrons, shielding, and energy levels) drives periodic trends across periods and down groups.
• Predict and justify changes in atomic radius, ionization energy, and electronegativity using periodic table patterns.
• Connect periodic trends to likely ionic charge formation for representative elements.

Learning Objectives

• Explain how the total amount of matter is conserved during both physical and chemical changes.
• Use particle and atom models to track conservation (particles for phase changes; atoms for chemical reactions).
• Distinguish physical changes from chemical changes using evidence from what is rearranged and what remains constant.

Learning Objectives

• Explain how electron behavior leads to ionic and covalent bonding using atomic models
• Compare ionic vs. covalent bonding based on electron transfer vs. shared electron pairs
• Predict how bond structure affects properties such as conductivity and melting point+ Show more

Learning Objectives

• Explain how disturbance regimes, land-use change, connectivity loss, and climate variation drive ecosystem stability and change.
• Distinguish resilience, resistance, and regime shifts using threshold and feedback-loop ideas.
• Analyze how recovery pathways affect species composition and ecosystem services after chronic and acute pressures.

Learning Objectives

• Explain how digitization encodes information into electromagnetic signals using controlled signal variations
• Describe how electromagnetic waves carry energy through space while the data can be recovered from measurable signal properties
• Use evidence-based reasoning to connect frequency content and signal propagation to communication performance

Learning Objectives

• Explain how structure and function connect from cells to organs in multicellular organisms.
• Describe how membrane transport and cellular respiration help move oxygen and nutrients through tissues.
• Connect organ-level features (gas-exchange surfaces and circulation) to higher rates of exchange and delivery.+ Show more

Learning Objectives

• Explain how models represent relationships among variables to make predictions.
• Identify common assumptions and simplifications in models and how they affect predictions.
• Evaluate predictive power by comparing model results with observed patterns.+ Show more

Learning Objectives

• Explain how natural selection changes populations through heritable variation, differential survival, and differential reproduction.
• Identify how reproductive potential, genetic variation from mutation and recombination, and environmental pressures affect trait frequencies.
• Use examples such as finch bill variation and industrial melanism to describe selection pressures and fitness differences across generations.

Learning Objectives

• Explain how population growth and per-capita consumption can influence climate, water availability, and biodiversity.
• Use cause-and-effect reasoning to connect land-cover change and biogeochemical fluxes to Earth system changes.
• Support an argument using quantitative evidence trends and examples from resource use and environmental impacts.

Learning Objectives

• Compute mechanical and electrical power using P = W/t and interpret units.
• Use measured electrical quantities with P = IV and compare predictions to observations.
• Analyze efficiency by relating useful output power to input power and explain discrepancies.

Learning Objectives

• Construct physical and computational models to generate quantitative data for comparing design options.
• Use consistent input conditions and repeatable procedures to improve the reliability of experimental results.
• Identify sources of measurement uncertainty and explain how they can affect conclusions from model-based data.

Learning Objectives

• Explain how life-cycle impacts affect decisions about energy and mineral resource development
• Compare technical and policy strategies for extracting, transporting, and using resources more sustainably
• Describe how reclamation and hazard exposure influence resilience and decision-making+ Show more

Learning Objectives

• Explain how different kinds of evidence support claims about biological change over time
• Describe how evidence from multiple sources can converge on a common evolutionary explanation
• Evaluate why conclusions are stronger when patterns are consistent across datasets

Learning Objectives

• Explain how greenhouse gases trigger climate warming and how that warming can lead to additional warming through feedbacks.
• Describe how surface properties (like ice/snow reflectivity) and clouds can either amplify or reduce climate change.
• Analyze how changes in aerosols can shift Earth’s radiation balance and influence temperature and precipitation.

Learning Objectives

• Distinguish endothermic and exothermic processes based on energy changes in reactants and surroundings
• Interpret qualitative energy profiles using bond energy, kinetic energy, and observed temperature or light changes

Learning Objectives

• Explain how data trends can guide optimization toward target performance while using realistic constraints.
• Identify and justify trade-offs when multiple goals must be optimized at the same time.
• Use evidence such as sensitivity to decide which parameter changes are meaningful and which have limited benefit.

Learning Objectives

• Explain how human activities can change Earth systems in ways that can be measured
• Use evidence such as climate records, satellite observations, and chemical measurements to evaluate claims
• Make cause-and-effect connections between pollution sources, transport processes, and system responses

Learning Objectives

• Interpret displacement-time graphs to determine velocity from slope
• Interpret velocity-time graphs to determine acceleration from slope
• Analyze acceleration-time graphs to decide whether acceleration is constant, changing, or reversing

Learning Objectives

• Explain how Coulombic attraction and repulsion between charged particles lead to stable structures
• Describe how electron distribution affects bonding and material properties
• Connect electrostatic forces to conductivity, solubility, and melting behavior in different substances

Learning Objectives

• Explain how net force relates to changes in an object's motion (velocity and acceleration).
• Differentiate between gravity, contact forces, and friction as types of forces.
• Use qualitative reasoning to predict the direction of acceleration from the direction of net force.+ Show more

Learning Objectives

• Interpret how acceleration (including sign) changes an object’s velocity over time
• Explain how graph shape (slope changes and curvature) indicates changing acceleration
• Connect acceleration direction with whether motion speeds up, slows down, or reverses

Learning Objectives

• Explain how the ocean and atmosphere exchange heat and moisture and why this affects climate.
• Describe how changes in sea-surface temperature can shift evaporation, storms, and rainfall belts.
• Connect El Niño and La Niña conditions to regional weather patterns using observational data.

Learning Objectives

• Compare ionic lattices, covalent networks, and molecular solids using particle arrangement and electrical interactions.
• Predict how melting point, electrical conductivity, hardness, and solubility relate to interparticle forces.
• Use evidence from material properties to identify the likely structure of an unknown solid.

Learning Objectives

• Explain how evidence (seafloor spreading, magnetic striping, paleomagnetism, and continental fit) supports the idea of moving tectonic plates.
• Describe how subduction, rifting, and continental collision create major landforms such as mountain ranges, ocean basins, and volcanic arcs.
• Use quantitative and observational clues to reconstruct past plate configurations and understand landscape evolution.

Learning Objectives

• Explain how limiting resources and ecological factors affect survival and reproduction in a community.
• Describe carrying capacity and how biotic interactions (competition and predation) influence population size.
• Predict how changes in environmental conditions can shift species abundance and community composition.

Learning Objectives

• Explain how Kepler’s laws describe planetary motion and connect them to orbital geometry (semi-major axis, eccentricity).
• Use conservation of angular momentum and gravitational attraction to reason about changes in orbital speed and direction.
• Analyze how resonances and perturbations (eccentricity, inclination, and resonance with other bodies) can affect long-term stability.+ Show more

Learning Objectives

• Explain how engineering models link inputs to expected outputs.
• Describe how comparing prototype measurements with model predictions leads to model adjustment and design refinement.
• Use evidence from testing to improve explanations of system behavior.

Learning Objectives

• Explain how evaporation, condensation, and precipitation move water through Earth’s atmosphere and surface.
• Use a model of connected reservoirs and pathways to describe transfers among atmosphere, surface water, and groundwater.
• Identify how infiltration, runoff, and storage (ice and oceans) affect where water is available.

Learning Objectives

• Explain how Moon phases result from the Moon’s changing position relative to Earth and the Sun.
• Describe the conditions required for solar and lunar eclipses and why eclipses do not happen every month.
• Use viewing geometry concepts to interpret what is happening during phases and eclipses.

Learning Objectives

• Explain how ecosystems cycle matter through producers, consumers, and decomposers
• Describe the one-direction flow of energy through trophic levels and why it decreases with each transfer
• Use food webs to predict how changes at one level can affect other organisms

Learning Objectives

• Explain how electron configuration helps predict periodic trends in atomic radius, ionization energy, and reactivity.
• Describe patterns across groups and periods, including metallic character and typical ion formation.
• Use subatomic particle counts and electron models to connect isotopes and isotopic notation to common spectral behavior.

Learning Objectives

• Explain how nuclear fission and fusion change atomic nuclei and release or absorb energy.
• Relate nuclear binding energy differences to why mass and energy are equivalent in nuclear reactions.
• Describe how ionizing radiation affects matter and why nuclear reactions require careful control.

Learning Objectives

• Explain how multicellular organization works from cell to tissue to organ to organ system.
• Describe how specialized structures at each level support coordinated body functions.
• Evaluate how disruption at one level can affect system-level stability, growth, and health.

Learning Objectives

• Explain how scientific models use assumptions and evidence to make predictions.
• Identify what a model cannot explain and why that creates limitations.
• Use mismatches between predictions and observations to improve an explanation.

Learning Objectives

• Apply Newton’s second law to predict how net force, mass, and acceleration relate.
• Determine the direction of acceleration from the direction of the net force vector.
• Use force addition (thrust and friction) to explain changes in velocity and trajectory.+ Show more

Learning Objectives

• Explain how the water cycle redistributes water through atmospheric and land-based reservoirs.
• Analyze how temperature, land cover, and atmospheric circulation change local water availability.
• Distinguish between key processes such as evaporation, condensation, precipitation, runoff, infiltration, and groundwater flow.

Learning Objectives

• Explain how work depends on the component of force along the direction of motion.
• Use the work–energy relationship to predict how kinetic energy changes when forces do positive or negative work.
• Connect everyday motion (acceleration, braking, collisions) to energy reasoning.

Learning Objectives

• Identify qualitative and quantitative criteria and constraints in a real-world problem.
• Translate stakeholder needs into measurable requirements and performance metrics.
• Create a clear conceptual model that supports multiple solution approaches.+ Show more

Learning Objectives

• Explain how redshift and Hubble’s law connect to the expansion of the universe and its age over time.
• Describe how cosmic microwave background (CMB) measurements and anisotropies provide benchmarks for early-universe conditions.
• Connect primordial abundances of hydrogen, helium, and lithium to Big Bang nucleosynthesis and early cosmic timescales.

Learning Objectives

• Explain how constant particle motion and forces help describe the properties of solids, liquids, and gases.
• Use the particle model to predict how temperature affects motion, diffusion, and compressibility.
• Connect particle spacing and interactions to everyday observations such as diffusion and expansion.

Learning Objectives

• Explain how criteria and constraints are used to compare design alternatives in an optimization process.
• Identify tradeoffs when improving one performance goal may worsen another outcome.
• Justify which solution is best by reasoning from given goals and limits.

Learning Objectives

• Explain how gravitational forces provide the centripetal acceleration required for orbital motion.
• Describe the main relationships summarized by Kepler’s laws and how they connect period and distance.
• Use evidence from multiple planetary systems to support the idea of common underlying physics.

Learning Objectives

• Explain how conservation of energy applies to exothermic and endothermic reactions.
• Describe how reaction energy changes can appear as thermal energy, light, or electrical energy in electrochemical systems.
• Use relative internal energy of reactants and products to predict the direction of energy flow.