Physics and Chemistry Diagrams: Atoms, Waves and Circuits

The standard figures of school physical science, each to label on screen or print blank.

70 pages

Atoms and matter 20

The atom in the shell model, with its nucleus and its electrons in shells; the particles of a solid, a liquid and a gas; one balanced chemical equation, piece by piece; the shapes of molecules; an ionic bond; the three cubic unit cells; and the pH scale.

Atom Diagram LabeledA carbon atom in the shell model: 7 numbered parts, from the nucleus of 6 protons and 6 neutrons to the core and valence electrons in their shells. Valence shell · Nucleus · Proton
Parts of a Chemical EquationOne balanced equation, 2H₂ + O₂ → 2H₂O, piece by piece: 8 parts. Plus sign · Yields arrow · Element symbol
Phase Diagram WorksheetA phase diagram: 11 numbered parts, from the solid, liquid and gas regions to the melting, vaporization and sublimation curves and the triple and critical points. Gas · Triple point · Melting curve
Molecular Geometry and Hybridization PracticeGlycine, ethane, ethene, ethyne, ethanol, methylamine, acetic acid, acetone, formaldehyde and acetonitrile: the shape and hybridization of every central atom.
Acid Base Scale: Label the pH ScaleA pH scale from 0 to 14 with blank boxes for acidic, neutral and basic and seven everyday examples.
Parts of a Titration CurveInitial pH, buffer region, half-equivalence point, equivalence point, steep rise and excess titrant, plus the two axes.
State of Matter WorksheetThree boxes of particles, the six changes of state between them and six containers to name as a solid, a liquid or a gas. Print it or answer on screen.
Ionic Bond Diagram: Sodium ChlorideSodium atom, chlorine atom, valence electron, electron transfer, valence shell, sodium ion, chloride ion, ionic bond, full outer shell and crystal lattice.
BCC Unit Cell Diagram: The Three Cubic Unit CellsSimple cubic, body-centered cubic and face-centered cubic, with the corner atom, cell edge, body-center atom, body diagonal, face-center atom and face diagonal.
Water Molecule DiagramOxygen atom, hydrogen atom, covalent bond, partial negative and partial positive charge, hydrogen bond, water molecule, shared pair of electrons and lone pair.
Water Molecule Diagram UnlabeledThe water molecule drawing with no names on it, to print and label by hand: atoms, bonds, charges and electron pairs, with an answer key.
Flotation Cell DiagramA froth flotation cell cut through: slurry inlet, air inlet, impeller, pulp, air bubbles, mineral particles, froth, concentrate, gangue and tailings outlet.
HCP Unit Cell DiagramThe hexagonal close-packed cell: corner atom, face-center atom, interior atom, hexagonal base, edge a and height c, then the layers in the order ABAB.
Phase Diagram of a SolutionA pure solvent's phase diagram with a solution's curves laid over it: the two freezing points, the two boiling points and the three changes a solute makes.
Radioactive Decay DiagramAlpha decay, beta-minus decay, beta-plus decay, electron capture and gamma emission as five small pictures, then the alpha particle, electron, positron and gamma ray.
D-Orbital Splitting DiagramThree crystal field charts with blank levels: square planar, octahedral and tetrahedral. Name the d orbitals on each level, from dx²-y² at the top to dxz and dyz.
Bohr Diagram WorksheetBohr diagrams of hydrogen to calcium to name, ten atoms with empty shells to fill, and eight outer shells to turn into dot symbols. Print it or answer on screen.
Phase Diagram of Carbon Dioxide WorksheetThe phase diagrams of carbon dioxide and of water with numbered blanks: the three phases, the values of the triple point and critical point, and what happens at 1 atm.
McCabe Thiele Diagram LabeledA McCabe-Thiele diagram to label: the equilibrium curve, the diagonal, the rectifying and stripping operating lines, the feed line, the three compositions and a theoretical stage.
Aufbau Diagram WorksheetA blank aufbau diagram to print: rows of empty boxes from 1s to 5p in filling order, the diagonal rule beside them and oxygen filled in as an example.

Waves and sound 8

The two kinds of wave side by side: a transverse wave with its crests and troughs, and a longitudinal sound wave with its compressions and rarefactions. A third page draws the Doppler effect.

Parts of a Transverse WaveA transverse wave: 7 numbered parts, from the crest, trough and rest position to the wavelength and amplitude, with the wave's travel and the medium's motion. Crest · Amplitude · Particle motion
Parts of a Longitudinal WaveA longitudinal sound wave: 6 numbered parts, from the source and the medium to the compressions, rarefactions and wavelength, with the particles' motion. Particle motion · Compression · Rarefaction
Doppler Effect DiagramMoving source, direction of motion, wavefront, shorter and longer wavelength, the observer in front, the observer behind and a stationary source.
Label the Parts of the Electromagnetic SpectrumRadio waves, microwaves, infrared, visible light, ultraviolet, X-rays and gamma rays, the colors from red to violet, and wavelength, frequency and energy.
Standing Wave Diagram: Nodes and AntinodesNode, antinode, wavelength, half a wavelength, amplitude, rest position and fixed end on one string, then its first, second and third harmonics.
Ray Diagrams WorksheetTwelve ray diagrams for concave, convex and flat mirrors and for converging and diverging lenses. Say what image each forms: real or virtual, upright or inverted, larger or smaller.
Wave Phenomena DiagramReflection, refraction, diffraction and interference as four pictures of a ripple tank, then the incident and reflected waves, the boundary, the gap and where waves add or cancel.
Lens Ray Diagram WorksheetThree ray diagrams to label: a converging lens with its three rays, focal points and real image, a diverging lens, and a magnifier with their virtual images.

Electricity and magnetism 19

A circuit as a picture and a diagram, a crystal radio, an electric motor, a generator, a magnet, a transformer, a power pole, a breaker box, a wind turbine and a nuclear power plant.

Parts of a CircuitA simple circuit as a picture and as a circuit diagram: 8 numbered parts, from the battery and its terminals to the switch, bulb, resistor and current. Current · Switch · Resistor
Parts of an Electric MotorA DC electric motor: 8 numbered parts, from the magnets, coil, commutator and brushes of the textbook motor to the casing and rotor of a real one. Brushes · Terminals · Coil
Parts of a GeneratorAn AC generator: 8 numbered parts, from the magnets, coil and shaft to the turbine, slip rings, brushes and the circuit to a bulb. Slip rings · Brushes · Shaft
Parts of a TransformerTransformers: 10 numbered parts, from the iron core and primary and secondary coils to a power transformer's tank, radiators, conservator and bushings. Iron core · Conservator · Primary coil
Parts of a Power Line PoleA utility pole top to ground: overhead ground wire, primary conductors, insulators, crossarm, fuse cutout, surge arrester, transformer, service drop and guy wire. Communication cables · Transformer · Guy wire
Parts of a MagnetNorth pole, south pole, field lines, compass needle, horseshoe magnet, keeper and the magnetic domains inside the iron.
Parts of a Breaker BoxDoor, dead front cover, main breaker, branch and two-pole breakers; enclosure, service conductors, bus bars, neutral bar, ground bar and knockouts.
Wind Turbine Diagram LabeledBlades, hub, nacelle and tower, then the main shaft, gearbox, brake, generator, yaw drive, pitch system, anemometer and wind vane.
Nuclear Power Plant Diagram LabeledContainment building, steam generator, pressurizer, primary and secondary loops, pumps, turbine, generator, condenser and cooling tower, then the reactor vessel, fuel rods and control rods.
Nuclear Power Plant Diagram UnlabeledThe nuclear power plant drawing with nothing written on it, to print and fill in: ten parts of the plant, three inside the reactor vessel, and an answer key.
X-Ray Circuit Diagram, LabeledMain switch, autotransformer, timer, step-up transformer, rectifier, milliammeter and X-ray tube, in three circuits.
Parts of a SubstationTransmission line, disconnect switch, circuit breaker, lightning arrester, power transformer, bus, feeder and control house.
Parts of a Crystal RadioAntenna, ground wire, tuning coil, tap, variable capacitor, detector, crystal, cat's whisker and earphones, then each part as a circuit symbol.
Label the Parts of an ElectromagnetIron core, coil, insulated wire, battery, current and paper clips on a nail electromagnet, then its north pole, south pole, field lines and a compass.
Label the Parts of a Dental X-Ray TubeCathode, filament, focusing cup, anode, tungsten target and focal spot in the tube; housing, oil, seal, filter, collimator and cone on the tubehead.
Op Amp DiagramInverting input, non-inverting input, output, positive supply and negative supply on the op amp symbol, then the same on an eight-pin chip with its offset null pins and notch.
Electrostatic Charge Diagram WorksheetTwelve scenes with rubbed balloons, a wall, a charged rod, a metal sphere and an electroscope. Read the plus and minus signs on each object and name its charge.
Geothermal Power Plant DiagramA geothermal power plant to label: reservoir, production well, separator, steam, turbine, generator, condenser, injection well and power lines, plus dry steam, flash steam and binary cycle plants.
Electric Field Diagram LabeledElectric field diagrams to label: positive and negative point charges, a field line and its direction, an electric dipole, like charges, two charged plates and a test charge.

Reactions and cells 13

Reaction energy diagrams for an exothermic and an endothermic reaction, with the lower path a catalyst opens, a galvanic cell that turns a reaction into electric current, and an alkaline dry cell cut down the middle.

Potential Energy Diagram LabeledReaction energy diagrams: 9 numbered parts, from the reactants, products and transition state to the activation energy, ΔH and a catalysed path. Products · Intermediate · Reactants
Galvanic Cell DiagramA galvanic (voltaic) cell: 7 numbered parts, from the anode, cathode and their half-cells to the salt bridge, the wire and the flow of electrons. Cathode · Anode half-cell · Electron flow
Electrolytic Cell DiagramThe electrolysis of molten sodium chloride: 10 numbered parts, from the power source, anode and cathode to the ions, electron flow, chlorine and sodium. Sodium · Electron flow · Cations
Alkaline Dry Cell Battery DiagramPositive terminal, steel can, manganese dioxide cathode, separator, zinc powder anode, label, seal and negative terminal.
Hydrogen Cell DiagramA hydrogen fuel cell cut through: anode, cathode, electrolyte membrane and catalyst layer, with the hydrogen, oxygen, ions, electrons and water that move.
Lithium Ion Cell DiagramA lithium-ion cell discharging and charging: anode, cathode, separator, electrolyte, the copper and aluminum current collectors, lithium ions and electrons.
Corrosion Cell DiagramIron, water drop, anode region, cathode region, electron flow, iron ions, oxygen, hydroxide ions and rust.
Conductivity Cell DiagramThe electrodes, the solution, the distance and area that set the cell constant, and the bridge: AC source, detector, variable resistance and fixed resistors.
Downs Cell DiagramThe Downs cell: anode, cathode, iron screen, molten sodium chloride, chlorine and sodium outlets. The diaphragm cell: diaphragm, brine inlet and three outlets.
Castner Kellner Cell DiagramThe rocking mercury cell cut along its length: brine, graphite anodes, chlorine, mercury, iron cathode, hydrogen, water inlet, sodium hydroxide outlet and eccentric wheel.
Labeled Diagram of Born-Haber CycleThe Born-Haber cycle of sodium chloride as an energy chart: atomization, ionization energy, electron affinity, lattice energy and the enthalpy of formation.
Block Diagram of a Potentiostat 3-Electrode CellA three-electrode cell and the block diagram of its potentiostat: working, reference and counter electrodes, signal source, control amplifier, electrometer and measuring resistor.
Microbial Fuel Cell DiagramA two-chamber microbial fuel cell to label: the anode with its biofilm of bacteria, organic matter, carbon dioxide, the membrane, protons, electrons and the cathode.

Engines, forces and motion 10

A steam engine and a turbine cut open, a water wheel, three levers, a pulley system, a pendulum and free-body diagrams.

Parts of a Steam EngineCylinder, piston, piston rod, crosshead, connecting rod, crank, flywheel, eccentric, slide valve, steam chest, steam ports, governor, throttle valve.
Label the Parts of the Steam EngineA stationary steam engine as a worksheet: the whole engine and its cylinder cut open, twenty numbered parts, a line for each name, and a key.
Free Body Diagram WorksheetFive free-body diagrams with every force arrow to name: weight, normal force, tension, friction, applied force and air resistance.
Parts of a Pulley SystemWheel, axle, groove, rope, frame, hook, support, load and effort on one fixed pulley, then the fixed pulley, movable pulley and hauling part of a two-pulley system.
Parts of a PendulumPivot, string and bob, plus the length, equilibrium position, amplitude, arc, period and gravity that a physics drawing marks.
Parts of a LeverFulcrum, effort and load on a seesaw, a wheelbarrow and a fishing rod, with the load arm and effort arm on the seesaw.
Label the Parts of the LeversThree levers as a worksheet: a seesaw, a wheelbarrow and a fishing rod, eleven numbered parts, a line for each name, and a key.
Parts of a Water WheelBuckets, shrouds, arms, axle, headrace, sluice gate, flume, wheel pit and tailrace, plus overshot, breastshot and undershot wheels.
Parts of a TurbineRotor, shaft, moving and fixed blades, casing, steam inlet, governor valve, exhaust, bearing, gland and coupling, then compressor, combustion chamber and turbine section.
Mohr's Circle LabeledMohr's circle to label: both axes, the center, the radius, the diameter, points X and Y, the two principal stresses, the maximum shear stress and the angle at the center.

Each page here is one of the drawings a physical science class keeps coming back to, with a numbered ring on every part. Study shows each name with a line on what it is; Find it and Name it quiz you, and the parts you miss come back at the end.

Every drawing prints blank or labeled. Names and facts are checked against OpenStax's free chemistry and physics textbooks.

Atoms and matter 20

Waves and sound 8

Electricity and magnetism 19

Reactions and cells 13

Engines, forces and motion 10

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