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Science, 10

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

Astronomy, 277

Basics, 5

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

Astrometry, 88

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

Celestial sphere, 83

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

Constellations, 70

IAU constellations, 65

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

Chinese constellations, 5

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

Astronomical objects, 74

Basics, 13

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

Galaxies, 5

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

Solar System, 29

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

Extrasolar planets, 2

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

Stars, 23

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

Other objects, 2

1. 3C 273 - 3C 273
2. Crab Nebula - Crab Nebula

Celestial mechanics, 20

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

Galactic astronomy and Extragalactic astronomy, 32

Basics, 16

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

Star clusters, 4

1. Star cluster - Star cluster
2. Globular cluster - Globular cluster
3. Open cluster - Open cluster
4. - [[:en:Stellar association

Galaxy morphological classification, 6

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

Active galactic nucleus, 6

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

Observational astronomy, 3

1. Absolute magnitude - Absolute magnitude
2. Apparent magnitude - Apparent magnitude
3. Observatory - Observatory

Physical cosmology, 14

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

Planetary science, 8

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

Stellar astronomy, 33

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

Chemistry, 361

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

Basics, 49

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

Analytical chemistry, 6

1. Analytical chemistry - Analytical chemistry
2. Chromatography - Chromatography
3. Mass spectrometry - Mass spectrometry
4. Spectroscopy - Spectroscopy
   1. - [[:en:Absorption spectrum
   2. Absorption spectroscopy - Absorption spectroscopy

Chemical substances, 257

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

Chemical elements, 144

Basics, 6

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

Chemical element groups, 20

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

Chemical elements, 118

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

Chemical compounds, 65

1. Chemical compound - Chemical compound
   1. Acid - Acid
      1. Acetic acid - Acetic acid
      2. Boric acid - Boric acid
      3. Citric acid - Citric acid
      4. Hydrochloric acid - Hydrochloric acid
      5. Hydrofluoric acid - Hydrofluoric acid
      6. Lactic acid - Lactic acid
      7. Nitric acid - Nitric acid
      8. Phosphoric acid - Phosphoric acid
      9. Sulfuric acid - Sulfuric acid
      10. Tannic acid - Tannic acid
   2. Alkali - Alkali
   3. Base (chemistry) - Base (chemistry)
   4. Inorganic compound - Inorganic compound
      1. Ammonia - Ammonia
      2. Carbon dioxide - Carbon dioxide
      3. Carbon monoxide - Carbon monoxide
      4. Water - Water
   5. Organic compound - Organic compound
      1. Acetone - Acetone
      2. Alcohol - Alcohol
      3. Aldehyde - Aldehyde
      4. Alkane - Alkane
      5. Alkene - Alkene
      6. Amide - Amide
      7. Amine - Amine
      8. Benzene - Benzene
      9. Butane - Butane
      10. Ethane - Ethane
      11. Caffeine - Caffeine
      12. Carboxylic acid - Carboxylic acid
      13. Chlorofluorocarbon - Chlorofluorocarbon
      14. Cocaine - Cocaine
      15. Ethanol - Ethanol
      16. Ethylene - Ethylene
      17. Formaldehyde - Formaldehyde
      18. Fructose - Fructose
      19. Glucose - Glucose
      20. Haloalkane - Haloalkane
      21. Ketone - Ketone
      22. Methane - Methane
      23. Methanol - Methanol
      24. Nicotine - Nicotine
      25. Phenol - Phenol
      26. Propane - Propane
      27. Propene - Propene
      28. Syngas - Syngas
   6. Salt (chemistry) - Salt (chemistry)
      1. Alum - Alum
      2. Ammonium nitrate - Ammonium nitrate
      3. Ammonium sulfate - Ammonium sulfate
      4. Calcium carbonate - Calcium carbonate
      5. Calcium chloride - Calcium chloride
      6. Magnesium sulfate - Magnesium sulfate
      7. Potassium hydroxide - Potassium hydroxide
      8. Potassium nitrate - Potassium nitrate
      9. Sodium bicarbonate - Sodium bicarbonate
      10. Sodium carbonate - Sodium carbonate
      11. Sodium chloride - Sodium chloride
      12. Sodium hydroxide - Sodium hydroxide
      13. Sodium nitrate - Sodium nitrate
      14. Sodium silicate - Sodium silicate
      15. Sodium sulfate - Sodium sulfate
      16. Titanium dioxide - Titanium dioxide

Chemical mixtures, 19

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

Alloys, 9

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

Pharmacy, 2

1. Tablet (pharmacy) - Tablet (pharmacy)
2. Placebo - Placebo

Earth science, 262

For specific geographical objects see Geography

General, 1

1. Earth science - Earth science

Cartography, 2

1. Cartography - Cartography
2. Map - Map

Natural disasters, 6

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

Earth, 165

1. Structure of the Earth - Structure of the Earth

Geology, 52

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

Mineralogy, 20

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

Petrology, 16

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

Geophysics, 7

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

Geological history, 18

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

Geomorphology, 58

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

Landforms, 53

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

Fluvial landforms, 9

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

Glacial landforms, 3

1. - [[:en:Cirque
2. Esker - Esker
3. Fjord - Fjord

Karst, 3

1. Speleology - Speleology
2. Cave - Cave
3. Karst - Karst

Oceanic and coastal landforms, 11

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

Volcanic landforms, 10

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

Aeolian landforms, 2

1. Aeolian processes - Aeolian processes
2. Dune - Dune

Artificial landforms, 8

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

Biomes, 26

1. Desert - Desert
2. Tundra - Tundra
3. Heath - Heath

Forests, 8

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

Grasslands, 11

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

Wetlands, 4

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

Pedology (soil study), 3

1. Pedosphere - Pedosphere
2. Pedogenesis - Pedogenesis
3. Soil science - Soil science

Air, 61

Atmosphere, 4

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

Atmospheric optics, 5

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

Climatology, 7

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

Meteorology, 45

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

Clouds, 5

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

Precipitations, 9

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

Seasons, 7

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

Atmospheric circulation, 19

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

Storm, 8

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

Winds, 6

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

Water, 27

1. Hydrosphere - Hydrosphere
2. Cryosphere - Cryosphere

Glaciology, 9

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

Hydrology, 10

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

Oceanography, 6

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

Physics, 364

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

Fundamental physics concepts, 20

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

Atomic, molecular, and optical physics, 28

Atomic physics, 18

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

Molecular physics, 2

1. Molecular orbital - Molecular orbital
2. Molecular orbital theory - Molecular orbital theory

Optics, 9

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

Condensed matter physics, 30

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

Crystallography, 5

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

Phase transitions, 13

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

States of matter, 9

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

Electromagnetism, 47

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

Electrostatics, 6

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

Electrodynamics, 17

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

Magnetostatics, 5

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

Electrical circuits, 10

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

Mechanics, 66

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

Classical mechanics, 24

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

Solid mechanics, 9

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

Fluid mechanics, 12

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

Quantum mechanics, 10

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

Statistical mechanics, 1

1. Statistical mechanics - Statistical mechanics

Nuclear physics, 9

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

Particle physics, 43

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

Subatomic particles, 28

1. Subatomic particle - Subatomic particle

Fermions, 21

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

Bosons, 6

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

Antimatter, 6

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

Theory of relativity, 5

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

Thermodynamics, 10

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

Waves, 13

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

Measurement, 76

This list contains units of measurement and articles on metrology. For the measured quantities see Science and Mathematics sections.

Basics, 13

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

Angle, 3

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

Dimension, 24

Area, 3

1. Square metre - square metre
2. Acre - Acre
3. Hectare - Hectare

Length, 10

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

Time, 9

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

Volume, 2

1. Gallon - Gallon
2. Litre - Litre

Electromagnetism, 10

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

Power & Electricity, 2

1. Watt - Watt
2. Ampere - Ampere

Light, 3

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

Mechanics, 11

Energy, force, and pressure, 5

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

Mass, 5

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

Velocity, 1

1. Knot (unit) - Knot (unit)

Quantity, 5

Amount of Substance, 2

1. Amount of substance - Amount of substance
2. Mole (unit) - Mole (unit)

Data, 3

1. Byte - Byte
2. Bit - Bit
3. Baud - Baud

Radioactivity, 3

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

Temperature, 3

1. Celsius - Celsius
2. Fahrenheit - Fahrenheit
3. Kelvin - Kelvin

Other, 1

1. Decibel - Decibel