Science Worksheets

Learning Objectives

• Explain energy conservation using the idea of a system and its surroundings.
• Describe how energy can change form while the total energy of the combined system stays constant.
• Use the roller coaster example to predict where energy transfers and how forms change.

Learning Objectives

• Explain electric current as an organized movement of charges through a conductor
• Distinguish conventional current direction from electron flow in metals
• Describe how potential difference (voltage) drives current in a circuit+ Show more

Learning Objectives

• Interpret graphs and tables by identifying variables, trends, and outliers.
• Evaluate how axis choices, scales, and labels affect the meaning readers can draw from data.
• Use evidence from numerical representations to support justified conclusions.

Learning Objectives

• Explain how conduction, convection, and radiation transfer thermal energy in everyday situations.
• Use particle ideas and fluid motion to describe conduction and convection, respectively.
• Describe why radiation can transfer heat through space and does not require a medium.+ Show more

Learning Objectives

• Explain how friction and drag oppose relative motion and how they affect acceleration
• Describe how friction depends on normal force and surface conditions
• Describe how drag depends on speed and why it increases at higher speeds+ Show more

Learning Objectives

• Explain how balanced chemical equations reflect the conservation of atoms and mass
• Use coefficients and subscripts to represent reactants and products in symbolic form
• Determine missing coefficients by counting atoms on both sides of a chemical equation+ Show more

Learning Objectives

• Explain how divergent, convergent, and transform boundaries produce different surface features and hazards
• Describe how subduction, continental collision, and lithospheric motion lead to volcanism and mountain building
• Connect tectonic driving forces (mantle convection and slab pull) to plate movement and geological time-scale outcomes+ Show more

Learning Objectives

• Differentiate static friction and kinetic friction using how forces depend on the coefficient of friction and normal force.
• Describe how fluid drag depends on relative velocity, medium density, and cross-sectional area, including linear and quadratic regimes.
• Use resistive forces to explain net force changes and energy dissipation for real situations.

Learning Objectives

• Define chemical change as a process that forms new substances with different properties and different particle composition.
• Use observable indicators (temperature change, gas production, precipitate formation, and persistent color change) to identify likely chemical reactions.
• Distinguish chemical evidence from physical changes by considering whether new substances are produced.+ Show more

Learning Objectives

• Explain how effective nuclear charge, shielding, and orbital penetration lead to periodic trends across periods and down groups.
• Predict qualitative changes in atomic radius, ionization energy, and electronegativity using periodic reasoning.
• Identify and justify common deviations from ideal trends using subshell penetration and electron configurations.+ Show more

Learning Objectives

• Explain dissolution and solvation in qualitative terms, including how stirring and agitation affect particle contact.
• Differentiate saturated, unsaturated, and supersaturated solutions using sugar and salt examples.
• Describe how temperature affects solubility and concentration descriptors qualitatively.+ Show more

Learning Objectives

• Describe ATP’s structure and explain how phosphate bonds relate to energy storage
• Explain how ATP hydrolysis releases energy and how that energy powers cellular work
• Analyze how phosphorylation regenerates ATP and couples energy-yielding and energy-consuming processes

Learning Objectives

• Explain how the amphipathic phospholipids in the cell membrane form a selectively permeable bilayer
• Describe how integral, peripheral proteins, cholesterol, and carbohydrate chains contribute to membrane function
• Use the fluid mosaic model to predict how membrane components move and how permeability is regulated

Learning Objectives

• Distinguish precision from accuracy and explain how uncertainty supports reliable comparisons.
• Identify sources of systematic and random error and describe practical ways to reduce them.
• Apply significant-figure rules and propagate uncertainty through common calculations.+ Show more

Learning Objectives

• State the principle of conservation of mass in a closed system during chemical reactions
• Use mass accounting to predict and explain how total reactant mass relates to total product mass
• Distinguish true mass conservation from apparent mass changes caused by gas exchange or leakage

Learning Objectives

• Describe physical properties and explain how they help identify unknown substances (density, solubility, magnetism, conductivity, hardness, luster).
• Distinguish between qualitative observations and simple quantitative comparisons using measurements and data.
• Use property-based evidence to select materials for familiar tasks and explain why measurements support classification.

Learning Objectives

• Explain how thermal energy can transfer by conduction, convection, and radiation.
• Connect energy transfer to observable temperature changes and differences in material properties.
• Describe how heat flow can differ in open systems versus closed systems.

Learning Objectives

• Explain how hybridization schemes relate to molecular geometry and sigma (σ) bonding
• Describe how molecular orbital (MO) ideas account for pi (π) bonding, bond order, and delocalization
• Connect bonding models to observable properties such as spectroscopic absorption and magnetic behavior

Learning Objectives

• Explain how scientific evidence and uncertainty can be used in risk assessment for policy decisions.
• Use cost-benefit reasoning to compare technology and policy options while considering indirect impacts.
• Describe how stakeholder values can shape what risks and benefits matter most in a decision.

Learning Objectives

• Identify science-related careers and match them to typical tasks involving data, tools, or lab work.
• Explain how scientific reasoning and mathematical skills support measurement, analysis, and communication in science careers.
• Describe how engineers and technicians maintain equipment and use evidence to interpret results for different audiences.

Learning Objectives

• Analyze policy tradeoffs among mitigation, adaptation, conservation, and socio-economic objectives using evidence-based reasoning
• Apply cost–benefit thinking and multi-criteria decision analysis to compare alternative management strategies
• Use scenario modeling and monitoring & evaluation concepts to explain long-term resilience and governance challenges

Learning Objectives

• Explain how homologous structures provide evidence of shared ancestry in comparative anatomy
• Differentiate homologous vs. analogous anatomical features and relate them to evolutionary processes
• Describe how vestigial organs and conserved embryonic development support evolutionary inferences+ Show more

Learning Objectives

• Classify variables in an investigation as independent, dependent, or controlled
• Write operational definitions that make measurements and procedures reproducible
• Identify baseline conditions, control treatments, and ethical limits for safe and defensible experiments+ Show more

Learning Objectives

• Distinguish primary succession from secondary succession and explain what triggers each type.
• Explain how species turnover and resource availability can change habitat conditions over time.
• Use ecological succession concepts to interpret how disturbance regimes and species traits influence long-term ecosystem trajectories.

Learning Objectives

• Explain how relative dating and stratigraphic relationships help reconstruct the sequence of Earth events.
• Describe how absolute dating (including radiometric dating) estimates the age of rocks and geologic events.
• Use the geologic time scale, fossil succession, and index fossils to interpret past environments and correlate rock layers.

Learning Objectives

• Explain how density differences from temperature and salinity create layered (stratified) fluids and pycnoclines
• Describe how buoyancy acts to resist vertical displacement and what buoyancy frequency tells us about stability
• Predict how mixing limitations affect pollutant dispersion and thermal layering in natural waters and reservoirs

Learning Objectives

• Differentiate point sources from nonpoint sources of pollution using real-world examples.
• Explain how nutrient enrichment can lead to eutrophication and oxygen depletion.
• Describe how sediment loading and chemical pollutants can move through surface water and groundwater.+ Show more

Learning Objectives

• Identify criteria for strong scientific questions and use them to form testable hypotheses.
• Explain how operational definitions, variables, and reproducibility improve the reliability of results.
• Apply measurement precision and clear documentation practices to support valid comparisons across trials.+ Show more

Learning Objectives

• Explain what a load path is and describe how loads transfer from slabs or decks to beams, columns, trusses, and foundations
• Differentiate between dead loads and live loads and identify how they affect structures
• Identify where tension, compression, and shear typically occur in common structural members+ Show more

Learning Objectives

• Define and justify measurable design optimization metrics under real engineering constraints.
• Evaluate how multiple performance criteria (e.g., mass, energy output, drag, noise) trade off in optimization.
• Explain how design margins maintain acceptable performance across changing conditions.

Learning Objectives

• Explain that compounds are made of two or more elements combined in fixed ratios and represented by chemical formulas.
• Describe how ionic and covalent bonding can help explain macroscopic properties of compounds (e.g., melting point, conductivity).
• State the law of definite composition and contrast compound formation with variable composition of mixtures.

Learning Objectives

• Identify appropriate graph types (scatter plot, line graph, bar graph) for different kinds of relationships in data.
• Interpret graphs by using labeled axes, units, and consistent numerical scales to avoid misleading conclusions.
• Explain how models summarize data patterns without introducing new variables.+ Show more

Learning Objectives

• Identify common observable indicators of chemical reactions, including gas evolution, precipitate formation, color change, and temperature change
• Connect reaction evidence to underlying changes in chemical composition represented by symbolic formulas
• Explain how mass and energy relationships are consistent with observable evidence during chemical reactions

Learning Objectives

• Classify reactions as synthesis, decomposition, single displacement, double displacement, or combustion based on reactant-product patterns.
• Predict possible products by applying conservation ideas (especially conservation of mass and atoms) within each reaction type.
• Connect each reaction type to typical observable outcomes and real-world examples.

Learning Objectives

• Explain the difference between raw observations and inferential explanatory claims in scientific reasoning.
• Use evidence and patterns in data to support or question a proposed scientific claim.
• Evaluate the strength of inferences by considering evidence sufficiency and alternative explanations.

Learning Objectives

• Define linear momentum and impulse and relate them using impulse–momentum (Δp = I).
• Use conservation of momentum to analyze collisions in isolated two-body systems.
• Differentiate elastic, inelastic, and perfectly inelastic collisions using both momentum and kinetic energy.+ Show more

Learning Objectives

• Explain how ionic, covalent, and metallic bonds influence material properties such as hardness, conductivity, melting point, and solubility.
• Compare and contrast ionic solids, metals, and covalent networks based on their bonding paradigms and physical characteristics.
• Identify real-world examples of materials with different bonding types, including salt, steel, and carbon-based materials.+ Show more

Learning Objectives

• Explain the concept of buffer capacity and its importance in environmental systems.
• Identify factors that influence the buffer capacity of natural systems.
• Analyze how buffer capacity affects environmental management and remediation efforts.+ Show more

Learning Objectives

• Explain how multi-criteria optimization uses measurement trends to tune design parameters toward target performance while respecting constraints.
• Identify how to balance competing goals (multiple criteria) during optimization and justify which improvements are meaningful.
• Interpret how evidence from experiments or simulations supports decisions about parameter changes.

Learning Objectives

• Choose appropriate graphs for different types of variables and questions (trend vs. relationship vs. distribution).
• Interpret graphical features such as clusters, spread, outliers, and direction of change as evidence.
• Use statistical summaries in combination with graphs to support comparisons and explanations.

Learning Objectives

• Understand methods for identifying temporal and spatial patterns in Earth and space phenomena.
• Interpret regional climate records, river discharge measurements, and meteorological series.
• Recognize the influence of data quality, sampling frequency, and statistical summaries on pattern detection.+ Show more

Learning Objectives

• Explain how insulation reduces heat transfer by limiting conduction, convection, and radiation
• Compare common insulating materials (fiberglass, foam, and reflective foils) using thermal resistance ideas and practical thickness
• Describe how thermal bridging and air leakage increase heat loss and why continuous insulation helps

Learning Objectives

• Explain how long-term climate trends are identified from many years of weather data.
• Distinguish natural variability from persistent climate change using evidence such as temperature and precipitation trends.
• Describe how climate feedbacks can amplify or reduce warming using examples like ice-albedo and water-vapor effects.+ Show more

Learning Objectives

• Analyze short-term and long-term impacts of technology on society, the economy, and the environment
• Explain how resource consumption, waste generation, and employment shifts can result from technology changes
• Evaluate trade-offs using ethical considerations and cost-benefit reasoning, including unintended outcomes

Learning Objectives

• Evaluate how lifestyle and environmental factors (nutrition, physical activity, tobacco exposure, pollutant inhalation, and sleep) can affect human health at cellular and system levels.
• Explain major physiological mechanisms such as oxidative stress, chronic inflammation, disrupted membrane transport, and altered hormonal signaling.
• Interpret epidemiological correlations by using biological reasoning to distinguish likely causation from association.

Learning Objectives

• Explain what heritability means for variation in a population
• Distinguish genetic (heritable) influences from environmental influences on traits
• Describe how inheritance and natural selection can change allele frequencies over generations+ Show more

Learning Objectives

• Compare scaled physical models, digital finite-element models, and laboratory load rigs for testing strength, stiffness, and failure modes
• Explain how instrumentation such as strain gauges and displacement transducers helps quantify structural response
• Describe limitations of prototyping, including scaling issues for material heterogeneity and joint behavior+ Show more

Learning Objectives

• Differentiate elements, compounds, and mixtures using purity and atomic/compositional criteria
• Explain how chemical formulas and empirical relationships support classification of substances
• Distinguish homogeneous versus heterogeneous mixtures and relate them to separation methods