Science Worksheets

Learning Objectives

• Explain how testing results provide evidence about whether a proposed solution works.
• Describe how recording results clearly helps scientists find patterns across attempts.
• Use data from test outcomes to identify what worked, what failed, and what to improve.

Learning Objectives

• Describe how electric forces depend on charge magnitude and separation distance
• Describe how magnetic forces depend on magnet strength/current and separation distance
• Use qualitative field ideas and data patterns to explain when forces are stronger, weaker, balanced, or unbalanced

Learning Objectives

• Explain how solar and lunar eclipses happen due to alignment within the Earth–Moon–Sun system.
• Distinguish umbra and penumbra and relate them to what people can see during an eclipse.
• Describe how spring and neap tides result from the changing gravitational alignment of the Moon and Sun.+ Show more

Learning Objectives

• Explain how competition, predation, parasitism, mutualism, and commensalism influence species abundance and community structure
• Describe how niche partitioning and competitive exclusion help determine whether similar species can coexist
• Analyze how keystone species and interaction networks can cause indirect and cascading effects in ecosystems+ Show more

Learning Objectives

• Describe the phases of the cell cycle, including interphase, mitosis, and cytokinesis
• Explain how DNA replication, chromosome segregation, and checkpoints help maintain genetic fidelity
• Compare the roles of cyclins and kinases in regulating cell cycle progression+ Show more

Learning Objectives

• Explain how a claim, evidence, and reasoning work together in CER argumentation.
• Use appropriate scientific evidence (measurements, trends, comparisons) to support a claim.
• Write reasoning that connects evidence to a claim using scientific principles and clear cause logic.+ Show more

Learning Objectives

• Explain the photoelectric effect using photon energy, work function, and maximum kinetic energy of emitted electrons.
• Interpret experimental results using threshold frequency and stopping potential.
• Relate photon flux to photoelectric current and distinguish it from kinetic energy effects.

Learning Objectives

• Explain how net centripetal force and centripetal acceleration maintain circular motion
• Differentiate radial (centripetal) and tangential components and predict changes in speed vs. direction
• Use qualitative relationships involving mass, speed squared, and radius to reason about centripetal force in real situations

Learning Objectives

• Explain how magmatic differentiation, hydrothermal circulation, and sedimentary concentration contribute to ore formation.
• Describe how structural traps, permeability contrasts, and host-rock chemistry control where ore minerals accumulate.
• Identify typical mineral assemblages and link them to deposit types and tectonic settings.

Learning Objectives

• Explain how design criteria for success can be measurable or observable in a science design problem.
• Identify common constraints (time, materials, cost, safety) and describe how they affect possible solutions.
• Describe trade-offs and improvement by connecting test evidence to criteria rather than appearance.+ Show more

Learning Objectives

• Explain how applied force and displacement are linked to changes in mechanical energy during motion.
• Describe qualitative shifts between gravitational potential energy and kinetic energy in everyday situations.
• Predict the direction of energy change when forces do work or when friction brakes motion.

Learning Objectives

• Explain how angle of attack changes airflow patterns around an airfoil
• Describe how lift and stall onset depend on increasing angle of attack
• Connect wing incidence and control inputs to effective angle of attack during flight

Learning Objectives

• Explain the four aerodynamic forces (lift, drag, thrust, and weight) and how they act on an object in motion through air.
• Use ideas of vector direction and magnitude to predict how forces affect climb, level cruise, and descent.
• Identify equilibrium conditions for steady, level flight by comparing lift and weight and thrust and drag.

Learning Objectives

• Explain how geologic processes change Earth’s surface on different time scales (rapid vs slow).
• Use evidence such as rock strata, fossils, uplifted terraces, and erosion rates to construct explanations of landscape evolution.
• Distinguish how plate motions, volcanic uplift, mountain building, and sediment transport shape landforms.

Learning Objectives

• Explain how energy transfer and convection drive movement in Earth’s atmosphere.
• Describe how pressure gradients and prevailing winds relate to large-scale circulation cells.
• Connect fronts, jet streams, and greenhouse gases to weather variability and climate indicators.

Learning Objectives

• Differentiate renewable and nonrenewable resources and explain why their availability differs over time
• Describe how resource extraction and use can create environmental impacts such as pollution, habitat disruption, and land degradation
• Evaluate sustainability by comparing human demand with regeneration capacity and by considering mitigation strategies+ Show more

Learning Objectives

• Explain how natural hazards (weather, geological, and other Earth processes) can pose risks to people and ecosystems
• Use NGSS-aligned reasoning to connect hazard characteristics and exposure to potential impacts
• Describe science-based strategies for preparing for, responding to, and mitigating natural hazards

Learning Objectives

• Classify common chemical reaction types (synthesis, decomposition, single and double displacement, combustion) based on how species transform.
• Predict product categories and representative products from reaction patterns and typical environmental conditions.
• Identify evidence of reaction type using observable indicators such as gas production, heat/light, color change, or temperature change.

Learning Objectives

• Explain how cytoskeletal networks determine cell shape and mechanical properties through filament dynamics and tensile forces.
• Describe how membrane–extracellular matrix (ECM) interactions connect structural components to intracellular signaling and transport pathways.
• Compare the roles of intercellular junctions in controlling permeability, tissue integrity, and coordinated cell behavior.

Learning Objectives

• Explain why models can give useful predictions while still having limits.
• Identify assumptions and simplifications that affect what a model can explain.
• Describe how discrepancies can guide revisions to a model’s parameters or structure.

Learning Objectives

• Explain how energy moves through conduction, convection, and radiation using grade-appropriate examples.
• Connect heat transfer to observable temperature changes and real-life thermal processes.
• Describe how energy transfer relates to phase changes and classify processes as endothermic or exothermic.

Learning Objectives

• Explain how deposition happens when transporting forces slow down
• Describe how flowing water and wind deposit sediments in different places
• Use sediment thickness to infer how landforms can change over time

Learning Objectives

• Analyze one-dimensional and two-dimensional collisions using conservation of momentum and (when appropriate) conservation of kinetic energy.
• Compare elastic and inelastic collisions using kinetic energy change, internal forces, and the coefficient of restitution as a modeling parameter.
• Predict post-collision velocities using vector and algebraic approaches, including center-of-mass frame reasoning.

Learning Objectives

• Explain how igneous, sedimentary, and metamorphic rocks transform through rock-cycle processes.
• Trace how weathering, erosion, transport, deposition, and burial contribute to sedimentary rock formation.
• Describe how heat and pressure drive metamorphism and how melting and crystallization restore igneous rocks.+ Show more

Learning Objectives

• Explain how collision theory, activation energy, and temperature influence reaction rates.
• Use experimental rate laws and reaction orders to predict how concentration affects rate.
• Apply the Arrhenius relationship to relate temperature changes to rate constant changes.+ Show more

Learning Objectives

• Explain how internal Earth processes (plate tectonics, volcanism, uplift) build and reshape landforms.
• Describe how external Earth processes (weathering, erosion, deposition) transport material and smooth or rebuild surfaces.
• Analyze how the balance between uplift and erosion influences river profiles, valleys, and exposed rock layers.

Learning Objectives

• Explain how energy transfer into and out of a system changes particle motion and temperature.
• Differentiate endothermic and exothermic processes using energy flow and temperature change evidence.
• Use conservation of energy to interpret temperature changes as measured signs of energy transfer.

Learning Objectives

• Describe the major freshwater and saline water reservoirs on Earth and compare their relative proportions.
• Explain how climate, topography, and geology influence where freshwater is stored and where it can be extracted.
• Analyze why access to potable water is uneven across regions and connect this to water security and transboundary concerns.

Learning Objectives

• Differentiate ionic, covalent, and metallic bonding by electron transfer, electron sharing, and electron delocalization.
• Predict common physical properties (melting point, solubility, and electrical conductivity) from the type of chemical bond.
• Relate bonding behavior to periodic trends such as electronegativity and typical element families.

Learning Objectives

• Identify the basic resources living things need to survive and function.
• Explain how limiting needs can cause visible changes in organisms.
• Match common survival needs (water, air/gases, food, temperature, shelter) to examples of organisms.

Learning Objectives

• Explain how photovoltaic (PV) cells convert radiant energy into electrical energy using semiconductor band structure.
• Compare physical and biological solar-conversion pathways based on rates, spectral response, and system integration.
• Interpret why conversion efficiency is limited by bandgap constraints, quantum efficiency, and loss mechanisms.

Learning Objectives

• Explain redox reactions as electron transfer processes linked to changes in oxidation states.
• Assign oxidation numbers to atoms and use them to identify which species is oxidized and which is reduced.
• Connect redox behavior to periodic trends and real-life examples such as corrosion, combustion, and electrochemistry.

Learning Objectives

• Explain how propellers and jet engines produce thrust to overcome drag
• Compare propulsive efficiency at different speeds for propeller-driven vs jet-driven systems
• Describe how thrust-to-weight ratio affects acceleration and climb+ Show more

Learning Objectives

• Compare the structure and membrane arrangement of major eukaryotic cell organelles using electron-microscopy terminology.
• Explain how compartmentalization supports cellular complexity by contrasting prokaryotic and eukaryotic internal organization.
• Relate organelle size, ultrastructure features, and observable patterns to what is seen in microscopy.

Learning Objectives

• Describe the iterative design process used to improve an aircraft or glider concept.
• Identify how performance specifications and trade-offs affect lift, drag, weight, and stability.
• Interpret the meaning of measured lift and drag coefficients from tests or simulations.+ Show more

Learning Objectives

• Explain how Earth’s rotation causes the apparent daily motion of the Sun and stars from an Earth-based perspective.
• Describe how Earth’s orbital motion and the tilt of Earth help explain the apparent annual change in the Sun’s position.
• Use vocabulary such as horizon, celestial sphere, rising, setting, and diurnal to interpret predictable sky patterns.+ Show more

Learning Objectives

• Explain how natural climate records (ice cores, sediment layers, and tree rings) reveal past temperature and precipitation.
• Describe how modern instruments confirm and refine recent climate trends.
• Identify major climate drivers that can change Earth’s energy balance and circulation over time.

Learning Objectives

• Explain how bacterial, viral, and fungal pathogens cause disease at a conceptual level.
• Describe common modes of pathogen transmission and how they relate to outbreaks.
• Summarize how innate and adaptive immunity protect the host, including antibody-mediated recognition.+ Show more

Learning Objectives

• Explain how compound machines combine multiple simple machines to change force and motion.
• Calculate ideal mechanical advantage using force relationships and displacement-based reasoning.
• Differentiate ideal mechanical advantage from actual performance by accounting for friction and deformation.+ Show more

Learning Objectives

• Explain how paper chromatography separates components using solubility and attraction to stationary and mobile phases
• Identify how solvent movement and chemical interactions affect where pigments form on chromatography paper
• Interpret and predict separation outcomes based on relative distances traveled and spot patterns

Learning Objectives

• Use balanced chemical equations to describe how quantities of reactants relate to quantities of products.
• Calculate and interpret mole ratios to predict relative amounts and mass relationships in chemical transformations.
• Apply conservation of matter to check whether calculated product amounts and reagent needs are reasonable.+ Show more

Learning Objectives

• Explain how atoms are conserved as matter cycles through organisms during digestion, biosynthesis, and respiration
• Trace the flow of carbon and nitrogen from ingested food to cellular biomolecules and eventual waste products
• Use biochemical pathway ideas (building and breaking down macromolecules) to describe matter recycling

Learning Objectives

• Use multi-criteria decision methods (such as weighted scoring and Pareto comparisons) to compare competing design constraints.
• Estimate costs and benefits for design choices and justify which option best meets project goals.
• Run a basic sensitivity check by reasoning about how changes in assumptions could change the selected solution.+ Show more

Learning Objectives

• Use particle models and symbolic formulas to represent the types and numbers of atoms in simple molecules (e.g., H2O, CO2).
• Differentiate discrete molecular units from extended ionic solids using particle model ideas and element/ion symbols (e.g., NaCl).
• Explain how bonding arrangements affect observable properties such as melting point and behavior of substances.

Learning Objectives

• Explain how electric forces and magnetic forces can be described using field interactions.
• Use Coulomb-like and distance-orientation ideas to predict how force magnitude changes with separation.
• Identify how charge, pole orientation, and current/circuit details affect the direction of forces.

Learning Objectives

• Explain how runoff, erosion, transport, and deposition shape landforms such as valleys and deltas.
• Describe how groundwater influences features like springs and how weathering connects to water movement.
• Interpret how changes in gradient and drainage patterns affect where sediment accumulates.

Learning Objectives

• Explain the difference between criteria and constraints in engineering and science problems
• Identify measurable criteria and realistic constraints in a design scenario
• Use criteria and constraints to justify which solution is most feasible

Learning Objectives

• Explain how thermoregulation maintains internal temperature within functional limits through coordinated responses.
• Describe the roles of the hypothalamus, skin blood flow, sweating, and shivering in homeostasis.
• Connect temperature control to enzyme activity, membrane stability, and cellular performance.