User:Alexchris/sandbox/VAE9

Physical sciences, 1350

Science, 10

1. Science
2. Experiment
3. Laboratory
   1. Laboratory equipment
4. Nature
5. Observation
6. Research
7. Scientific method
8. Scientific theory
9. Scientist

Astronomy, 277

Basics, 5

1. Astronomy
2. Astrobiology
3. Extinction (astronomy)
4. Extraterrestrial life
5. Magnitude (astronomy)

Astrometry, 88

1. Astrometry
2. Angular resolution
3. Cosmic distance ladder
4. Parallax
5. Photometry (astronomy)

Celestial sphere, 83

1. Celestial coordinate system
   1. Declination
   2. Right ascension
2. Celestial equator
3. Celestial sphere
4. Equinox
5. Ecliptic
6. Horizon
7. Nadir
8. Solstice
9. Star chart
10. Zenith
11. Zodiac

Constellations, 70

IAU constellations, 65

1. Constellation
2. Andromeda (constellation)
3. Aquarius (constellation)
4. Aquila (constellation)
5. Ara (constellation)
6. Aries (constellation)
7. Auriga (constellation)
8. Boötes
9. Camelopardalis
10. Cancer (constellation)
11. Canes Venatici
12. Canis Major
13. Canis Minor
14. Capricornus
15. Carina (constellation)
16. Cassiopeia (constellation)
17. Centaurus
18. Cepheus (constellation)
19. Cetus
20. Columba (constellation)
21. Coma Berenices
22. Corona Australis
23. Corona Borealis
24. Corvus (constellation)
25. Crater (constellation)
26. Crux
27. Cygnus (constellation)
28. Delphinus
29. Draco (constellation)
30. Equuleus
31. Eridanus (constellation)
32. Gemini (constellation)
33. Hercules (constellation)
34. Hydra (constellation)
35. Lacerta
36. Leo (constellation)
37. Leo Minor
38. Lepus (constellation)
39. Libra (constellation)
40. Lupus (constellation)
41. Lynx (constellation)
42. Lyra
43. Monoceros
44. Ophiuchus
45. Orion (constellation)
46. Pegasus (constellation)
47. Perseus (constellation)
48. Pisces (constellation)
49. Piscis Austrinus
50. Puppis
51. Pyxis
52. Sagitta
53. Sagittarius (constellation)
54. Scorpius
55. Scutum (constellation)
56. Serpens
57. Sextans
58. Taurus (constellation)
59. Triangulum
60. Triangulum Australe
61. Ursa Major
62. Ursa Minor
63. Vela (constellation)
64. Virgo (constellation)
65. Vulpecula

Chinese constellations, 5

1. Chinese constellations
   1. Vermilion Bird
   2. White Tiger (China)
   3. Black Tortoise
   4. Azure Dragon

Astronomical objects, 74

[Basics, 13

1. Astronomical object
2. Centaurus A
3. Cygnus X-1
4. Eta Carinae
5. Halley's Comet
6. Hyades (star cluster)
7. Large Magellanic Cloud
8. Messier 87
9. Mira
10. Omega Centauri
11. Orion Nebula
12. Pleiades
13. Sagittarius A*

Galaxies, 5

1. Local Group
   1. Magellanic Clouds
   2. Milky Way
   3. Andromeda Galaxy
   4. Triangulum Galaxy

Solar System, 29

1. Solar System
2. Sun
3. Mercury (planet)
4. Venus
5. Earth
   1. Moon
6. Mars
   1. Deimos
   2. Phobos (moon)
7. Asteroid belt
8. Ceres (dwarf planet)
9. Jupiter
   1. Io (moon)
   2. Europa (moon)
   3. Ganymede (moon)
   4. Callisto (moon)
10. Saturn
    1. Enceladus (moon)
    2. Titan (moon)
11. Uranus
12. Neptune
13. Triton (moon)
14. Pluto
    1. Charon
15. Eris (dwarf planet)
16. Makemake (dwarf planet)
17. Haumea (dwarf planet)
18. Kuiper belt
19. Oort cloud

Extrasolar planets, 2

1. PSR B1257+12 B
2. 51 Pegasi b

Stars, 23

1. Sirius
2. Canopus
3. Arcturus
4. Alpha Centauri
5. Vega
6. Rigel
7. Procyon
8. Achernar
9. Betelgeuse
10. Capella (star)
11. Altair
12. Aldebaran
13. Spica
14. Antares
15. Pollux (star)
16. Fomalhaut
17. Deneb
18. RR Lyrae
19. Alpha Crucis
20. Beta Centauri
21. Algol
22. Delta Cephei
23. Polaris

Other objects, 2

1. 3C 273
2. Crab Nebula

Celestial mechanics, 20

1. Celestial mechanics
2. Eclipse
   1. Lunar eclipse
   2. Solar eclipse
3. Ephemeris
4. Epoch (astronomy)
5. Escape velocity
6. Equatorial coordinate system
7. Gravity assist
8. Kepler's laws of planetary motion
9. Lagrangian point
10. Natural satellite
11. Orbit
    1. Geostationary orbit
    2. Low Earth orbit
12. Orbital elements
13. Orbital eccentricity
14. Orbital mechanics
15. Occultation
16. Two-body problem

Galactic astronomy and Extragalactic astronomy, 32

Basics, 16

1. Black hole
   1. Schwarzschild radius
   2. Supermassive black hole
2. Cosmic ray
3. Dark nebula
4. Galaxy
5. Galaxy cluster
6. Galaxy group
   1. Supercluster
7. Great Attractor
8. H II region
9. Interstellar medium
10. Molecular cloud
11. Nebula
12. Outer space
13. Solar wind

Star clusters, 4

1. Star cluster
2. Globular cluster
3. Open cluster
4. Stellar association

Galaxy morphological classification, 6

1. Galaxy morphological classification
2. Dwarf galaxy
3. Elliptical galaxy
4. Irregular galaxy
5. Lenticular galaxy
6. Spiral galaxy

Active galactic nucleus, 6

1. Active galactic nucleus
2. Blazar
3. Quasar
4. Radio galaxy
5. Seyfert galaxy
6. Starburst galaxy

Observational astronomy, 3

1. Absolute magnitude
2. Apparent magnitude
3. Observatory

Physical cosmology, 14

1. Physical cosmology
2. Age of the universe
3. Big Bang
4. Cosmic microwave background radiation
5. Dark energy
6. Dark matter
7. Formation and evolution of the Solar System
8. Galaxy formation and evolution
9. Hubble's law
10. Solar Nebula
11. Nebular hypothesis
12. Redshift
13. Universe
    1. Observable universe

Planetary science, 8

1. Asteroid
2. Comet
3. Extrasolar planet
4. Minor planet
5. Planet
   1. Dwarf planet
   2. Gas giant
   3. Terrestrial planet

Stellar astronomy, 33

1. Star
2. Brown dwarf
3. Circumstellar habitable zone
4. Gamma-ray burst
5. Hertzsprung–Russell diagram
6. Metallicity
7. Planetary system
8. Stellar classification
9. Stellar evolution
   1. Planetary nebula
   2. Star formation
   3. Main sequence
   4. Protostar
   5. Red giant
   6. Giant star
   7. Supergiant
   8. Wolf–Rayet star
   9. Compact star
      1. White dwarf
      2. Neutron star
      3. Stellar black hole
10. Stellar kinematics
11. Stellar magnetic field
12. Stellar nucleosynthesis
13. Stellar rotation
14. Star system
    1. Binary star
    2. Circumstellar disc
15. Variable star
    1. Cepheid variable
    2. Nova
    3. Pulsar
    4. Supernova

Chemistry, 361

1. Antioxidant
2. Chalcogen
3. Citric acid cycle
4. Concentration
5. Distillation
6. Electronegativity
7. Functional group
8. Fluorescence
9. Glycolysis
10. Hydroxide
11. Hydrophobe
12. Monosaccharide
13. Polymerization
    1. Polymerase chain reaction
14. Phlogiston theory
15. Polysaccharide
16. Stoichiometry
17. Tritium
18. Radionuclide
19. Solvent
20. Covalent radius
21. Oxidation state
22. Vulcanization
23. Geochemistry
24. Carbon cycle
25. Eutrophication
26. Phase diagram
27. Van der Waals radius
28. Nonmetal
29. Macromolecule
30. Surfactant
31. parts per million
32. Noble metal
33. Glycoprotein
34. Oxidizing agent
35. Poisson's ratio
36. Pyrolysis
37. Electrophoresis
38. Valence electron
39. Adhesion
40. Tear gas
41. Valence (chemistry)
42. Cosmic dust
43. IUPAC nomenclature of chemistry
44. Radical (chemistry)
45. Isomer
46. Group 11 element

Basics, 49

1. Chemistry
2. Agricultural Chemistry
3. Biochemistry
4. Computational chemistry
5. Electrochemistry
   1. Electrolysis
6. Environmental chemistry
7. Forensic science
8. Inorganic chemistry
9. Materials science
10. Medicinal chemistry
11. Nuclear chemistry
    1. Table of nuclides
12. Organic chemistry
13. Organometallic chemistry
14. Photochemistry
15. Physical chemistry
16. Polymer chemistry
17. Quantum chemistry
18. Alchemy
19. Chemical bond
    1. Ionic bond
    2. Covalent bond
    3. Metallic bond
    4. Hydrogen bond
    5. Intermolecular force
    6. Molecule
20. Chemical engineering
21. Chemical industry
22. Chemical reaction
    1. Acid–base reaction
    2. Catalysis
    3. Chemical equation
    4. Chemical equilibrium
    5. Chemical formula
    6. Chemical kinetics
    7. Combustion
       1. Fire
    8. Salt metathesis reaction
    9. Reaction mechanism
    10. Redox
        1. Corrosion
    11. Substitution reaction
23. Chemical substance
24. Chemical synthesis
25. Chemist
26. Conservation of mass
27. Pyrotecnics
28. Fireworks

Analytical chemistry, 6

1. Analytical chemistry
2. Chromatography
3. Mass spectrometry
4. Spectroscopy
   1. Absorption spectrum
   2. Absorption spectroscopy

Chemical substances, 257

1. Material
   1. Clay
   2. Glass
   3. Oil
   4. Polymer
2. Mineral
   1. Gypsum
   2. Salt
   3. Silicate
3. Diamond
4. Graphite
5. Quartz
6. Oxide
7. Peroxide
8. Ozone
9. Carbonate
10. Chloride
11. Nitrate
12. Sulfate
13. Organophosphorus
14. Organosilicon
15. Silicone
16. Organosulfur compounds
17. Thiol
18. Ester
19. Ether
20. Hydrocarbon
21. Aromatic hydrocarbon
22. Alkyne

Chemical elements, 144

Basics, 6

1. Chemical element
2. List of elements
3. Atomic number
4. Atomic mass
5. Periodic table
6. Period (periodic table)

Chemical element groups, 20

1. Metal
2. Alkali metal
3. Alkaline earth metal
4. Lanthanide
5. Actinide
6. Transition metal
7. Metalloid
8. Halogen
9. Noble gas
10. Group 3 element
11. Group 4 element
12. Group 5 element
13. Group 6 element
14. Group 12 element
15. Boron group
16. Carbon group
17. Pnictogen
18. Period 1 element
19. Period 2 element
20. Period 3 element

Chemical elements, 118

1. Hydrogen (H)
2. Helium (He)
3. Lithium (Li)
4. Beryllium (Be)
5. Boron (B)
6. Carbon (C)
7. Nitrogen (N)
8. Oxygen (O)
9. Fluorine (F)
10. Neon (Ne)
11. Sodium (Na)
12. Magnesium (Mg)
13. Aluminium (Al)
14. Silicon (Si)
15. Phosphorus (P)
16. Sulfur (S)
17. Chlorine (Cl)
18. Argon (Ar)
19. Potassium (K)
20. Calcium (Ca)
21. Scandium (Sc)
22. Titanium (Ti)
23. Vanadium (V)
24. Chromium (Cr)
25. Manganese (Mn)
26. Iron (Fe)
27. Cobalt (Co)
28. Nickel (Ni)
29. Copper (Cu)
30. Zinc (Zn)
31. Gallium (Ga)
32. Germanium (Ge)
33. Arsenic (As)
34. Selenium (Se)
35. Bromine (Br)
36. Krypton (Kr)
37. Rubidium (Rb)
38. Strontium (Sr)
39. Yttrium (Y)
40. Zirconium (Zr)
41. Niobium (Nb)
42. Molybdenum (Mo)
43. Technetium (Tc)
44. Ruthenium (Ru)
45. Rhodium (Rh)
46. Palladium (Pd)
47. Silver (Ag)
48. Cadmium (Cd)
49. Indium (In)
50. Tin (Sn)
51. Antimony (Sb)
52. Tellurium (Te)
53. Iodine (I)
54. Xenon (Xe)
55. Caesium (Cs)
56. Barium (Ba)
57. Lanthanum (La)
58. Cerium (Ce)
59. Praseodymium (Pr)
60. Neodymium (Nd)
61. Promethium (Pm)
62. Samarium (Sm)
63. Europium (Eu)
64. Gadolinium (Gd)
65. Terbium (Tb)
66. Dysprosium (Dy)
67. Holmium (Ho)
68. Erbium (Er)
69. Thulium (Tm)
70. Ytterbium (Yb)
71. Lutetium (Lu)
72. Hafnium (Hf)
73. Tantalum (Ta)
74. Tungsten (W)
75. Rhenium (Re)
76. Osmium (Os)
77. Iridium (Ir)
78. Platinum (Pt)
79. Gold (Au)
80. Mercury (element) (Hg)
81. Thallium (Tl)
82. Lead (Pb)
83. Bismuth (Bi)
84. Polonium (Po)
85. Astatine (At)
86. Radon (Rn)
87. Francium (Fr)
88. Radium (Ra)
89. Actinium (Ac)
90. Thorium (Th)
91. Protactinium (Pa)
92. Uranium (U)
93. Neptunium (Np)
94. Plutonium (Pu)
95. Americium (Am)
96. Curium (Cm)
97. Berkelium (Bk)
98. Californium (Cf)
99. Einsteinium (Es)
100. Fermium (Fm)
101. Mendelevium (Md)
102. Nobelium (No)
103. Lawrencium (Lr)
104. Rutherfordium (Rf)
105. Dubnium (Db)
106. Seaborgium (Sg)
107. Bohrium (Bh)
108. Hassium (Hs)
109. Meitnerium (Mt)
110. Darmstadtium (Ds)
111. Roentgenium (Rg)
112. Copernicium (Cn)
113. Nihonium (Nh)
114. Flerovium (Fl)
115. Moscovium (Mc)
116. Livermorium (Lv)
117. Tennessine (Ts)
118. Oganesson (Og)

Chemical compounds, 65

1. Chemical compound
2. Acid
3. Acetic acid
4. Boric acid
5. Citric acid
6. Hydrochloric acid
7. Hydrofluoric acid
8. Lactic acid
9. Nitric acid
10. Phosphoric acid
11. Sulfuric acid
12. Tannic acid
13. Alkali
14. Base (chemistry)
15. Inorganic compound
16. Ammonia
17. Carbon dioxide
18. Carbon monoxide
19. Water
20. Organic compound
21. Acetone
22. Alcohol
23. Aldehyde
24. Alkane
25. Alkene
26. Amide
27. Amine
28. Benzene
29. Butane
30. Ethane
31. Caffeine
32. Carboxylic acid
33. Chlorofluorocarbon
34. Cocaine
35. Ethanol
36. Ethylene
37. Formaldehyde
38. Fructose
39. Glucose
40. Haloalkane
41. Ketone
42. Methane
43. Methanol
44. Nicotine
45. Phenol
46. Propane
47. Propene
48. Syngas
49. Salt (chemistry)
50. Alum
51. Ammonium nitrate
52. Ammonium sulfate
53. Calcium carbonate
54. Calcium chloride
55. Magnesium sulfate
56. Potassium hydroxide
57. Potassium nitrate
58. Sodium bicarbonate
59. Sodium carbonate
60. Sodium chloride
61. Sodium hydroxide
62. Sodium nitrate
63. Sodium silicate
64. Sodium sulfate
65. Titanium dioxide

Chemical mixtures, 19

1. Mixture
2. Aerosol
3. Colloid
4. Dispersion (chemistry)
5. Emulsion
6. Foam
7. Gel
8. Solution
9. Suspension (chemistry)
10. Vapor

Alloys, 9

1. Alloy
2. Amalgam (chemistry)
3. Brass
4. Bronze
5. Ceramic
6. Cast iron
7. Duralumin
8. Steel
9. Stainless steel

Pharmacy, 2

1. Tablet (pharmacy)
2. Placebo

Earth science, 262

General, 1

1. Earth science

Cartography, 2

1. Cartography
2. Map

Natural disasters, 6

1. Natural disaster
2. Avalanche
3. Drought
4. Flood
5. Earthquake
6. Tsunami

Earth, 165

1. Structure of the Earth

Geology, 52

1. Fold (geology)
2. Geological formation
3. Fossil
4. Geology
5. Impact crater
6. Lithosphere
   1. Crust (geology)
   2. Fault (geology)
   3. Rock (geology)
      1. Basalt
      2. Flint
      3. Igneous rock
      4. Limestone
      5. Magma
      6. Metamorphic rock
      7. Sedimentary rock

Mineralogy, 20

1. Mineralogy
2. Plate tectonics
3. Stratigraphy
4. Stratum
5. Thrust fault
6. Pyroxene
7. Silicate minerals
8. Feldspar
9. Kaolinite
10. Talc
11. Mica
12. Asbestos
13. Beryl
14. Emerald
15. Sapphire
16. Ruby
17. Topaz
18. Amber
19. Ivory
20. Pearl

Petrology, 16

1. Petrology
2. Conglomerate (geology)
3. Gravel
4. Granite
5. Tuff
6. Schist
7. Marble
8. Gneiss
9. Soil
10. Sand
11. Sandstone
12. Bauxite
13. Peat
14. Quartzite
15. Slate
16. Oil shale

Geophysics, 7

1. Geodesy
2. Geophysics
3. Earth's magnetic field
4. Inner core
5. Outer core
6. Mantle (geology)
7. Seismology

Geological history, 18

1. Geologic time scale
2. Pangaea
3. Extinction event
4. Permian–Triassic extinction event
5. Cretaceous–Paleogene extinction event
6. Ice age
7. Precambrian
8. Phanerozoic
9. Paleozoic
   1. Cambrian
   2. Permian
10. Mesozoic
11. Triassic
12. Jurassic
13. Cretaceous
14. Cenozoic
15. Quaternary
16. Holocene

Geomorphology, 58

1. Geomorphology
2. Erosion
3. Mesa
4. Stack (geology)
5. Weathering

Landforms, 53

1. Landform
2. Mountain
3. Mountain range
4. Plateau
5. Hill
6. Valley
7. Plain

Fluvial landforms, 9

1. Alluvial fan
2. Beach
3. Canyon
4. Cliff
5. Floodplain
6. Meander
7. Oasis
8. Rapid
9. Waterfall

Glacial landforms, 3

1. Cirque
2. Esker
3. Fjord

Karst, 3

1. Speleology
2. Cave
3. Karst

Oceanic and coastal landforms, 11

1. Atoll
2. Bay
3. Coast
4. Continental shelf
5. Coral reef
6. Lagoon
7. Oceanic trench
8. Peninsula
9. Isthmus
10. Island
11. Seamount

Volcanic landforms, 10

1. Volcano
2. Caldera
3. Geyser
4. Hotspot (geology)
5. Mid-ocean ridge
6. Volcanic crater
7. Volcanic plug
8. Lava dome
9. Submarine volcano
10. Guyot

Aeolian landforms, 2

1. Aeolian processes
2. Dune

Artificial landforms, 8

1. Canal
2. Reservoir
3. Polder
4. Artificial island
5. Levee
6. Quarry
7. Ditch
8. Land reclamation

Biomes, 26

1. Desert
2. Tundra
3. Heath

Forests, 8

1. Forest
2. Jungle
3. Mangrove
4. Taiga
5. Rainforest
   1. Tropical rainforest
      1. Amazon rainforest
6. Temperate broadleaf and mixed forest

Grasslands, 11

1. Grassland
2. Cerrado
3. Field (agriculture)
4. Los Llanos (South America)
5. Meadow
6. Pampas
7. Pasture
8. Prairie
9. Sahel
10. Savanna
11. Steppe

Wetlands, 4

1. Wetland
2. Swamp
3. Marsh
4. Bog

Pedology (soil study), 3

1. Pedosphere
2. Pedogenesis
3. Soil science

Air, 61

Atmosphere, 4

1. Atmosphere of Earth
2. Atmospheric chemistry
3. Air mass
4. Atmospheric pressure

Atmospheric optics, 5

1. Aurora (astronomy)
2. Halo (optical phenomenon)
3. Mirage
4. Rainbow
5. Sky

Climatology, 7

1. Climatology
2. Climate
3. El Niño–Southern Oscillation
4. Global warming
5. Köppen climate classification
6. Temperateness
7. Tropical climate

Meteorology, 45

1. Meteorology
2. Barometer
3. Humidity
4. Weather front
5. Weather

Clouds, 5

1. Cloud
2. Cirrus cloud
3. Cumulonimbus cloud
4. Cumulus cloud
5. Fog

Precipitations, 9

1. Precipitation
2. Acid rain
3. Black ice
4. Dew
5. Frost
6. Groundwater
7. Hail
8. Rain
9. Snow

Seasons, 7

1. Season
2. Spring (season)
3. Summer
4. Autumn
5. Winter
6. Wet season
7. Dry season

Atmospheric circulation, 19

1. Atmospheric circulation
2. Anticyclone
3. Cyclone
4. Hadley cell
5. Polar vortex

Storm, 8

1. Storm
2. Blizzard
3. Dust storm
4. Lightning
5. Saffir–Simpson hurricane scale
6. Thunderstorm
7. Tornado
8. Tropical cyclone

Winds, 6

1. Wind
2. Beaufort scale
3. Jet stream
4. Monsoon
5. Sea breeze
6. Trade wind

Water, 27

1. Hydrosphere
2. Cryosphere

Glaciology, 9

1. Glaciology
2. Firn
3. Glacier
4. Ice
5. Ice sheet
6. Ice shelf
7. Iceberg
8. Sea ice
9. Permafrost

Hydrology, 10

1. Hydrology
2. Water cycle
3. Hydrography
4. River
5. Estuary
6. River delta
7. Limnology
8. Lake
9. Pond
10. Tide

Oceanography, 6

1. Oceanography
2. Ocean
3. Sea
4. Ocean current
5. Sea level
6. Thermohaline circulation

Physics, 364

1. Physics
2. Allotropy
3. Geiger–Marsden experiment
4. Osmosis
5. Quantum field theory
6. Remote sensing
7. Alpha decay
8. Absolute zero
9. Adiabatic process
10. Butterfly effect
11. Brownian motion
12. Beta decay
13. Classical element
14. Corona
15. Density
16. Electronvolt
17. Electron microscope
18. Fundamental interaction
19. Elementary particle
20. Ferromagnetism
21. Graviton
22. Heat engine
23. Heavy water
24. Hydrolysis
25. Insulator (electricity)
26. Ionosphere
27. Mach number
28. Mohs scale of mineral hardness
29. Magnetosphere
30. Obsidian
31. Physical quantity
32. Pump
33. PH
34. Precession
35. Quantum computer
36. Refraction
37. Standard conditions for temperature and pressure
38. Schrödinger's cat
39. Tunguska event
40. Time travel
41. Voltage
42. Wavelength
43. Wormhole
44. Enthalpy of vaporization
45. Ballistic missile
46. Gravitational constant
47. Vapor pressure
48. Black body
49. Electrolyte
50. Gravitational lens
51. Atomic radius
52. Boltzmann constant
53. Biophysics
54. Perpetual motion
55. Dew point
56. Compton scattering
57. Thermal conductivity
58. Solubility
59. Ionization energy
60. Van Allen radiation belt
61. Hydraulics
62. Magnetic flux
63. Boyle's law
64. Ideal gas
65. Angular velocity
66. Foucault pendulum
67. Geocentric model
68. Apsis
69. Metronome
70. Water vapor
71. Electromagnet
72. Second law of thermodynamics
73. Orbital period
74. Fluorescent lamp
75. First law of thermodynamics
76. Heat transfer
77. Heat capacity
78. Electrical conductor
79. Adsorption
80. Heliocentrism
81. St. Elmo's fire
82. Archimedes' principle
83. Internal energy
84. Astrophysics
85. Reflection (physics)
86. Wind wave
87. Permeability (electromagnetism)
88. Hardness
89. Atomism
90. Spin (physics)
91. Theoretical physics
92. Semi-major axis
93. Event horizon

Fundamental physics concepts, 20

1. Amplitude
2. Atom
3. Energy
   1. Mass–energy equivalence
   2. Conservation of energy
4. Field (physics)
5. Force
   1. Gravitation
   2. Strong interaction
   3. Weak interaction
6. Matter
7. Power (physics)
8. Radiation
   1. Ionizing radiation
9. Space
10. Spacetime
11. Time
    1. Planck time
    2. Planck units
12. Vacuum

Atomic, molecular, and optical physics, 28

Atomic physics, 18

1. Atomic physics
2. Atomic nucleus
3. Atomic orbital
4. Atomic theory
5. Auger effect
6. Binding energy
7. Bohr model
8. Bremsstrahlung
9. Electron configuration
10. Electron shell
11. Excited state
12. Hydrogen-like atom
13. Hyperfine structure
14. Ion
15. Plum pudding model
16. Principal quantum number
17. Stimulated emission

Molecular physics, 2

1. Molecular orbital
2. Molecular orbital theory

Optics, 9

1. Optics
2. Free-electron laser
3. Kerr effect
4. Luminosity
5. Nonlinear optics
6. Photonics
7. Physical optics
8. Polarization (waves)
9. Refractive index

Condensed matter physics, 30

1. Condensed matter physics
2. Amorphous solid
3. Solid-state physics

Crystallography, 5

1. Crystallography
2. Crystal
3. Crystal structure
4. Crystal system
5. Crystallization

Phase transitions, 13

1. Phase transition
2. Phase (matter)
3. Boiling
4. Boiling point
5. Critical point (thermodynamics)
6. Condensation
7. Evaporation
8. Freezing
9. Ionization
10. Melting
11. Melting point
12. Sublimation (phase transition)
13. Triple point

States of matter, 9

1. State of matter
2. Bose–Einstein condensate
3. Degenerate matter
4. Gas
5. Liquid
6. Plasma (physics)
7. Quark–gluon plasma
8. Solid
9. Superfluidity

Electromagnetism, 47

1. Electromagnetic force
2. Dielectric
3. Oil drop experiment
4. Electricity
5. Magnet
6. Magnetism
7. Metamaterial
8. Photoelectric effect
9. Superconductivity

Electrostatics, 6

1. Electrostatics
2. Electric charge
3. Coulomb's law
4. Electric field
5. Gauss's law
6. Electric potential

Electrodynamics, 17

1. Lorentz force
2. Electromotive force
3. Magnetomotive force
4. Electromagnetic induction
5. Faraday's law of induction
6. Maxwell's equations
7. Electromagnetic field
8. Electromagnetic radiation
   1. Electromagnetic spectrum
   2. Radio wave
   3. Microwave
   4. Infrared
   5. Visible spectrum
   6. Ultraviolet
   7. X-ray
   8. Gamma ray
9. Eddy current

Magnetostatics, 5

1. Magnetostatics
2. Electric current
3. Ampère's circuital law
4. Magnetic field
5. Magnetic moment

Electrical circuits, 10

1. Electrical network
2. Electrical resistivity and conductivity
   1. Electrical resistance and conductance
3. Ohm's law
4. Gain
5. Capacitance
6. Inductance
7. Electrical impedance
8. Electrical reactance
9. Kirchhoff's circuit laws

Mechanics, 66

1. Mechanics
   1. Aerodynamics
   2. Continuum mechanics
   3. Dynamics (mechanics)
   4. Kinematics
   5. Soil mechanics
   6. Statics
   7. Rheology
2. Oscillation
   1. Harmonic oscillator

Classical mechanics, 24

1. Classical mechanics
2. Frame of reference
3. Friction
4. Impulse (physics)
5. Inertia
6. Kinetic energy
7. Mass
8. Moment of inertia
9. Momentum
10. Motion (physics)
    1. Acceleration
    2. Newton's laws of motion
    3. Speed
    4. Velocity
11. Potential energy
12. Rotation
    1. Angular momentum
    2. Centrifugal force
    3. Centripetal force
    4. Coriolis effect
13. Newton's law of universal gravitation
14. Torque
15. Weight
16. Work (physics)

Solid mechanics, 9

1. Solid mechanics
2. Elastic modulus
3. Fatigue (material)
4. Elasticity (physics)
5. Hooke's law
6. Plasticity (physics)
7. Stiffness
8. Strength of materials
9. Stress (mechanics)

Fluid mechanics, 12

1. Fluid mechanics
2. Bernoulli's principle
3. Buoyancy
4. Convection
5. Diffusion
6. Fluid dynamics
7. Fluid statics
8. Navier–Stokes equations
9. Reynolds number
10. Surface tension
11. Turbulence
12. Viscosity

Quantum mechanics, 10

1. Quantum mechanics
   1. Quantum chromodynamics
   2. Quantum electrodynamics
2. Quantum entanglement
3. Quantum tunnelling
4. Uncertainty principle
5. Pauli exclusion principle
6. Schrödinger equation
7. Wave function
8. Wave–particle duality

Statistical mechanics, 1

1. Statistical mechanics

Nuclear physics, 9

1. Nuclear physics
2. Isotope
3. Nuclear fission
4. Nuclear fusion
   1. Tokamak
   2. Fusion power
5. Radioactive decay
6. Alpha particle
7. Beta Radiation

Particle physics, 43

1. Particle physics
2. Particle
3. Cloud chamber
4. Standard Model
5. String theory
6. Spontaneous symmetry breaking
7. Supersymmetry
8. Particle accelerator
   1. Large Hadron Collider
   2. Synchrotron
   3. Synchrotron radiation
   4. Tevatron

Subatomic particles, 28

1. Subatomic particle

Fermions, 21

1. Fermion
2. Lepton
   1. Electron
   2. Muon
   3. Tau (particle)
   4. Neutrino
3. Quark
   1. Up quark
   2. Down quark
   3. Charm quark
   4. Strange quark
   5. Top quark
   6. Bottom quark
4. Hadron
   1. Baryon
      1. Neutron
      2. Proton
   2. Meson

Bosons, 6

1. Boson
2. Gauge boson
3. Gluon
4. Photon
5. Higgs boson
6. W and Z bosons

Antimatter, 6

1. Antimatter
2. Antiparticle
3. Positron
4. Antihydrogen
5. Antiproton
6. Antineutron

Theory of relativity, 5

1. Theory of relativity
2. General relativity
3. Special relativity
4. Length contraction
5. Michelson–Morley experiment

Thermodynamics, 10

1. Heat
2. Temperature
3. Thermodynamics
4. Enthalpy
5. Entropy
6. Ideal gas law
7. Pressure
8. Functions of state
9. Gibbs free energy
10. Thermodynamic state

Waves, 13

1. Wave
2. Acoustics
   1. Sound
   2. Speed of sound
   3. Ultrasound
3. Diffraction
4. Frequency
5. Interference (wave propagation)
6. Light
   1. Speed of light
7. Noise
8. Resonance
9. Doppler effect

Measurement, 76

Basics, 13

1. Measurement
   1. Measuring instrument
   2. Altimeter
   3. Micrometer
   4. Sensor
   5. Spectrometer
   6. Theodolite
   7. Thermometer
   8. Weighing scale
2. Units of measurement
   1. Metric system
   2. International System of Units
3. Metrology

Angle, 3

1. Degree (angle)
2. Radian
3. Steradian

Dimension, 24

Area, 3

1. square metre
2. Acre
3. Hectare

Length, 10

1. Angstrom
2. Astronomical unit
3. Foot (unit)
4. Inch
5. Light-year
6. Metre
7. Mile
8. Nautical mile
9. Parsec
10. yard

Time, 9

1. Second
2. Minute
3. Hour
4. Day
5. Week
6. Month
7. Year
8. Decade
9. millennium

Volume, 2

1. Gallon
2. Litre

Electromagnetism, 10

1. Volt
2. Ohm
3. Hertz
4. Farad
5. Coulomb
6. Henry (unit)
7. Tesla (unit)
8. Weber (unit)

Power & Electricity, 2

1. Watt
2. Ampere

Light, 3

1. Candela
2. Lumen (unit)
3. Lux

Mechanics, 11

Energy, force, and pressure, 5

1. Atmosphere (unit)
2. Joule
3. Newton (unit)
4. Calorie
5. Pascal (unit)

Mass, 5

1. Kilogram
2. Tonne
3. Pound (mass)
4. Ounce
5. Atomic mass unit

Velocity, 1

1. Knot (unit)

Quantity, 5

Amount of Substance, 2

1. Amount of substance
2. Mole (unit)

Data, 3

1. Byte
2. Bit
3. Baud

Radioactivity, 3

1. Becquerel
2. Gray (unit)
3. Sievert

Temperature, 3

1. Celsius
2. Fahrenheit
3. Kelvin

Other, 1

1. Decibel