Wikipedia:Vital articles/Level/4/Physical sciences#Electromagnetism .2840 articles.29

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1. {{Icon|B}} Science (Level 1)
2. {{Icon|B}} Scientific method (Level 3)
3. {{Icon|C}} {{Icon|DGA}} Nature (Level 3)
4. {{Icon|C}} Experiment
5. {{Icon|Start}} Field research
6. {{Icon|C}} Information science
7. {{Icon|C}} Laboratory
8. {{Icon|C}} Observation
9. {{Icon|C}} Scientific law
10. {{Icon|B}} Research
11. {{Icon|C}} Scientific modelling
12. {{Icon|C}} Scientific theory

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:This section contains units of measurement and articles on metrology. For the measured quantities, see Science and Mathematics sections. For timekeeping and navigation, see Everyday Life and Technology. For measurement errors, see Statistics section in Mathematics.

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1. {{Icon|C}} Measurement (Level 3)
2. {{Icon|C}} Accuracy and precision
3. {{Icon|GA}} Metrology
4. {{Icon|C}} Unit of measurement
5. {{Icon|C}} Natural units
6. {{Icon|C}} Planck units

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1. {{Icon|GA}} Metric system
2. {{Icon|B}} {{Icon|DGA}} International System of Units (Level 3)
3. {{Icon|B}} United States customary units
4. {{Icon|B}} Imperial units

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1. {{Icon|B}} Second
2. {{Icon|Start}} Minute
3. {{Icon|B}} Hour
4. {{Icon|C}} Day (Level 3)
5. {{Icon|B}} Week
6. {{Icon|B}} Month
7. {{Icon|C}} Year (Level 3)

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1. {{Icon|C}} Inch
2. {{Icon|C}} Foot
3. {{Icon|C}} Cubit
4. {{Icon|B}} Metre
5. {{Icon|B}} Mile
6. {{Icon|C}} Nautical mile
7. {{Icon|B}} Astronomical unit
8. {{Icon|B}} Light-year
9. {{Icon|B}} Parsec

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1. {{Icon|C}} Acre
2. {{Icon|C}} Hectare

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1. {{Icon|C}} Gallon
2. {{Icon|C}} Litre

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1. {{Icon|Start}} Atmosphere
2. {{Icon|C}} Calorie
3. {{Icon|C}} Electronvolt
4. {{Icon|C}} Joule
5. {{Icon|B}} Watt
6. {{Icon|C}} Newton
7. {{Icon|C}} Pascal

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1. {{Icon|C}} Dalton (unit)
2. {{Icon|GA}} Kilogram
3. {{Icon|C}} Ton
4. {{Icon|B}} Pound
5. {{Icon|Start}} Ounce

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1. {{Icon|B}} Knot

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1. {{Icon|C}} Degree
2. {{Icon|C}} Radian
3. {{Icon|Start}} Steradian

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1. {{Icon|B}} Candela
2. {{Icon|C}} Lumen
3. {{Icon|C}} Lux

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1. {{Icon|B}} Celsius
2. {{Icon|C}} Fahrenheit
3. {{Icon|B}} Kelvin

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1. {{Icon|C}} Ampere
2. {{Icon|C}} Farad
3. {{Icon|C}} Coulomb
4. {{Icon|Start}} Henry
5. {{Icon|C}} Hertz
6. {{Icon|C}} Ohm
7. {{Icon|Start}} Siemens
8. {{Icon|C}} Tesla
9. {{Icon|C}} Volt
10. {{Icon|Start}} Weber

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1. {{Icon|C}} Mole

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1. {{Icon|B}} Byte
2. {{Icon|C}} Bit

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1. {{Icon|C}} Becquerel
2. {{Icon|C}} Gray
3. {{Icon|C}} Sievert

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1. {{Icon|C}} Decibel

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:For astronomical instruments, see Technology: Optical Technology.

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1. {{Icon|GA}} Astronomy (Level 2)
2. {{Icon|C}} Astronomical object
3. {{Icon|C}} Astrophysics
4. {{Icon|C}} {{Icon|DGA}} Extraterrestrial life

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1. {{Icon|C}} Observatory
2. {{Icon|C}} Luminosity
3. {{Icon|C}} Magnitude
4. {{Icon|B}} Extinction

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1. {{Icon|FA}} Solar System (Level 2)
2. {{Icon|FA}} Sun (Level 2)
3. {{Icon|FA}} Mercury (Level 3)
4. {{Icon|FA}} Venus (Level 3)
5. {{Icon|FA}} Earth (Level 1)
6. {{Icon|FA}} Moon (Level 2)
7. {{Icon|FA}} Mars (Level 3)
8. {{Icon|FA}} Asteroid belt
9. {{Icon|FA}} Ceres
10. {{Icon|GA}} {{Icon|FFA}} Jupiter (Level 3)
11. {{Icon|FA}} Io
12. {{Icon|FA}} Europa
13. {{Icon|FA}} Ganymede
14. {{Icon|FA}} Callisto
15. {{Icon|FA}} Saturn (Level 3)
16. {{Icon|FA}} Enceladus
17. {{Icon|FA}} Titan
18. {{Icon|FA}} Uranus (Level 3)
19. {{Icon|FA}} Neptune (Level 3)
20. {{Icon|FA}} Triton
21. {{Icon|FA}} Halley's Comet
22. {{Icon|FA}} Kuiper belt
23. {{Icon|FA}} Pluto
24. {{Icon|FA}} Eris
25. {{Icon|FA}} Oort cloud
26. {{Icon|C}} Interplanetary medium

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1. {{Icon|B}} Alpha Centauri
2. {{Icon|C}} Arcturus
3. {{Icon|FA}} Betelgeuse
4. {{Icon|B}} Canopus
5. {{Icon|FA}} Capella
6. {{Icon|C}} Polaris
7. {{Icon|B}} Procyon
8. {{Icon|FA}} Rigel
9. {{Icon|FA}} Sirius
10. {{Icon|FA}} Vega

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1. {{Icon|C}} Local Group
2. {{Icon|C}} {{Icon|DGA}} Milky Way (Level 3)
3. {{Icon|C}} Galactic Center
4. {{Icon|B}} Sagittarius A*
5. {{Icon|GA}} Andromeda Galaxy
6. {{Icon|C}} Large Magellanic Cloud
7. {{Icon|C}} Small Magellanic Cloud
8. {{Icon|B}} Triangulum Galaxy
9. {{Icon|C}} Centaurus A
10. {{Icon|FA}} Messier 87
11. {{Icon|B}} Pinwheel Galaxy
12. {{Icon|B}} Whirlpool Galaxy

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1. {{Icon|C}} Carina Nebula
2. {{Icon|B}} {{Icon|FFA}} Crab Nebula
3. {{Icon|Start}} Eagle Nebula
4. {{Icon|Start}} Horsehead Nebula
5. {{Icon|GA}} Orion Nebula
6. {{Icon|C}} Ring Nebula

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1. {{Icon|C}} 3C 273
2. {{Icon|FA}} Cygnus X-1
3. {{Icon|C}} Hyades
4. {{Icon|C}} Omega Centauri
5. {{Icon|C}} {{Icon|DGA}} Pleiades
6. {{Icon|C}} Virgo Supercluster
7. {{Icon|C}} Virgo Cluster

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1. {{Icon|C}} Celestial mechanics
2. {{Icon|C}} Orbit (Level 3)
3. {{Icon|C}} Barycenter (astronomy)
4. {{Icon|C}} Tidal locking
5. {{Icon|B}} Eclipse
6. {{Icon|C}} Lunar eclipse
7. {{Icon|FA}} Solar eclipse
8. {{Icon|C}} Kepler's laws of planetary motion
9. {{Icon|B}} Lagrange point
10. {{Icon|GA}} Night

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1. {{Icon|B}} Orbital mechanics
2. {{Icon|C}} Escape velocity
3. {{Icon|GA}} Geostationary orbit
4. {{Icon|GA}} Geosynchronous orbit
5. {{Icon|Start}} Gravitational acceleration
6. {{Icon|C}} Gravity assist
7. {{Icon|C}} Low Earth orbit

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1. {{Icon|C}} Celestial sphere
2. {{Icon|C}} Astronomical coordinate systems
3. {{Icon|C}} Equatorial coordinate system
4. {{Icon|C}} Equinox
5. {{Icon|GA}} Ecliptic
6. {{Icon|C}} Horizon
7. {{Icon|B}} Solstice
8. {{Icon|C}} Zodiac

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1. {{Icon|B}} Constellation
2. {{Icon|FA}} Canis Major
3. {{Icon|B}} Cassiopeia
4. {{Icon|C}} Centaurus
5. {{Icon|C}} Crux
6. {{Icon|B}} Orion
7. {{Icon|C}} Ursa Major
8. {{Icon|FA}} Ursa Minor

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1. {{Icon|C}} Astrometry
2. {{Icon|B}} Albedo
3. {{Icon|C}} Cosmic distance ladder
4. {{Icon|C}} Parallax
5. {{Icon|C}} Photometry

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1. {{Icon|GA}} Outer space (Level 3)
2. {{Icon|FA}} Galaxy (Level 3)
3. {{Icon|GA}} {{Icon|FFA}} Black hole (Level 3)
4. {{Icon|C}} Event horizon
5. {{Icon|B}} Supermassive black hole
6. {{Icon|C}} Galaxy groups and clusters
7. {{Icon|Start}} Supercluster
8. {{Icon|B}} Interstellar medium
9. {{Icon|B}} Nebula
10. {{Icon|Start}} Dark nebula
11. {{Icon|B}} Molecular cloud
12. {{Icon|C}} Great Attractor
13. {{Icon|FA}} H II region
14. {{Icon|C}} Void (astronomy)
15. {{Icon|B}} Cosmic ray

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1. {{Icon|C}} Galaxy morphological classification
2. {{Icon|C}} Spiral galaxy
3. {{Icon|C}} Barred spiral galaxy
4. {{Icon|C}} Elliptical galaxy
5. {{Icon|B}} Lenticular galaxy
6. {{Icon|Start}} Irregular galaxy
7. {{Icon|C}} Dwarf galaxy

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1. {{Icon|B}} Active galactic nucleus
2. {{Icon|C}} Blazar
3. {{Icon|B}} Quasar
4. {{Icon|B}} Radio galaxy
5. {{Icon|B}} Seyfert galaxy

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1. {{Icon|C}} Physical cosmology (Level 3)
2. {{Icon|GA}} Universe (Level 2)
3. {{Icon|B}} Observable universe
4. {{Icon|B}} Chronology of the universe
5. {{Icon|C}} Ultimate fate of the universe
6. {{Icon|B}} {{Icon|FFA}} Big Bang (Level 3)
7. {{Icon|C}} {{Icon|DGA}} Cosmic inflation
8. {{Icon|B}} {{Icon|DGA}} Cosmic microwave background
9. {{Icon|C}} Galaxy formation and evolution
10. {{Icon|FA}} Formation and evolution of the Solar System
11. {{Icon|FA}} Nebular hypothesis
12. {{Icon|B}} {{Icon|DGA}} Dark matter
13. {{Icon|B}} Dark energy
14. {{Icon|B}} Cosmological constant
15. {{Icon|FA}} Redshift
16. {{Icon|B}} {{Icon|DGA}} Hubble's law

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1. {{Icon|FA}} Planet (Level 3)
2. {{Icon|C}} Terrestrial planet
3. {{Icon|C}} Giant planet
4. {{Icon|B}} {{Icon|FFA}} Exoplanet
5. {{Icon|C}} Natural satellite (Level 3)
6. {{Icon|GA}} {{Icon|FFA}} Comet (Level 3)
7. {{Icon|C}} Minor planet
8. {{Icon|B}} {{Icon|DGA}} Asteroid (Level 3)
9. {{Icon|FA}} Dwarf planet
10. {{Icon|C}} Meteoroid
11. {{Icon|C}} Atmosphere
12. {{Icon|C}} Meteor shower
13. {{Icon|B}} Impact event
14. {{Icon|C}} Ring system

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1. {{Icon|FA}} Star (Level 3)
2. {{Icon|C}} Variable star
3. {{Icon|FA}} Supernova (Level 3)
4. {{Icon|FA}} Gamma-ray burst
5. {{Icon|B}} Nova
6. {{Icon|C}} Pulsar
7. {{Icon|C}} Cepheid variable
8. {{Icon|C}} Star system
9. {{Icon|C}} Planetary system
10. {{Icon|B}} {{Icon|FFA}} Binary star
11. {{Icon|C}} Star cluster
12. {{Icon|B}} Stellar classification
13. {{Icon|B}} Stellar evolution
14. {{Icon|C}} Star formation
15. {{Icon|C}} Starburst galaxy
16. {{Icon|B}} {{Icon|FFA}} Planetary nebula
17. {{Icon|C}} Protostar
18. {{Icon|FA}} Main sequence
19. {{Icon|C}} Giant star
20. {{Icon|B}} Red giant
21. {{Icon|C}} Supergiant
22. {{Icon|B}} Wolf–Rayet star
23. {{Icon|FA}} White dwarf
24. {{Icon|B}} Neutron star
25. {{Icon|C}} Stellar kinematics
26. {{Icon|B}} Stellar magnetic field
27. {{Icon|C}} Stellar structure
28. {{Icon|B}} Solar wind
29. {{Icon|B}} Metallicity
30. {{Icon|B}} Brown dwarf
31. {{Icon|C}} Hertzsprung–Russell diagram

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:For biochemistry and chemical biology, see: Biology and health sciences; for chemical industry, see: Technology.

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1. {{Icon|B}} Chemistry (Level 2)
2. {{Icon|B}} Organic chemistry (Level 3)
3. {{Icon|B}} Inorganic chemistry (Level 3)
4. {{Icon|C}} Physical chemistry (Level 3)
5. {{Icon|B}} Electrochemistry
6. {{Icon|C}} Electrolysis
7. {{Icon|Start}} Environmental chemistry
8. {{Icon|C}} Medicinal chemistry
9. {{Icon|Start}} Nuclear chemistry
10. {{Icon|C}} Nuclide
11. {{Icon|C}} Organometallic chemistry
12. {{Icon|C}} Phase diagram
13. {{Icon|C}} Photochemistry
14. {{Icon|Start}} Polymer chemistry
15. {{Icon|B}} Polymer
16. {{Icon|C}} {{Icon|DGA}} Quantum chemistry
17. {{Icon|B}} Materials science
18. {{Icon|C}} {{Icon|FFA}} Alchemy
19. {{Icon|B}} Chemical substance
20. {{Icon|C}} Amount of substance
21. {{Icon|Start}} Chemical synthesis
22. {{Icon|C}} Conservation of mass
23. {{Icon|C}} pH

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1. {{Icon|C}} Chemical reaction (Level 3)
2. {{Icon|C}} Acid–base reaction (Level 3)
3. {{Icon|C}} Catalysis (Level 3)
4. {{Icon|C}} Chemical equation
5. {{Icon|C}} Chemical equilibrium
6. {{Icon|C}} Chemical formula
7. {{Icon|B}} Chemical kinetics
8. {{Icon|C}} Redox (Level 3)
9. {{Icon|C}} Combustion
10. {{Icon|B}} Fire (Level 2)
11. {{Icon|B}} Corrosion
12. {{Icon|B}} Haber process
13. {{Icon|C}} Radical
14. {{Icon|Start}} Reaction mechanism
15. {{Icon|Start}} Substitution reaction

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{{Vital article count|8}}

1. {{Icon|C}} Chemical bond (Level 3)
2. {{Icon|C}} Molecule (Level 3)
3. {{Icon|C}} Ionic bonding
4. {{Icon|B}} Covalent bond
5. {{Icon|C}} Metallic bonding
6. {{Icon|C}} Intermolecular force
7. {{Icon|B}} Hydrogen bond
8. {{Icon|C}} Valence bond theory

{{Vital article count|3}}

1. {{Icon|B}} Chromatography
2. {{Icon|B}} Distillation
3. {{Icon|C}} Filtration

{{Vital article count|4}}

1. {{Icon|C}} Analytical chemistry
2. {{Icon|C}} Spectroscopy
3. {{Icon|C}} Absorption spectroscopy
4. {{Icon|B}} Mass spectrometry

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1. {{Icon|C}} Chemical element (Level 2)
2. {{Icon|FA}} Periodic table (Level 3)
3. {{Icon|C}} Allotropy
4. {{Icon|C}} Atomic number
5. {{Icon|C}} Atomic mass

{{Vital article count|10}}

1. {{Icon|B}} Metal (Level 3)
2. {{Icon|GA}} Alkali metal
3. {{Icon|B}} Alkaline earth metal
4. {{Icon|B}} Lanthanide
5. {{Icon|C}} {{Icon|DGA}} Actinide
6. {{Icon|B}} Transition metal
7. {{Icon|FA}} Metalloid
8. {{Icon|B}} Halogen
9. {{Icon|FA}} Noble gas
10. {{Icon|C}} Synthetic element

{{Vital article count|102}}

1. {{Icon|FA}} Hydrogen (Level 3)
2. {{Icon|B}} {{Icon|FFA}} Helium

1. {{Icon|GA}} Lithium
2. {{Icon|GA}} Beryllium
3. {{Icon|GA}} Boron
4. {{Icon|GA}} Carbon (Level 3)
5. {{Icon|FA}} Diamond
6. {{Icon|B}} Graphite
7. {{Icon|B}} Carbon nanotube
8. {{Icon|GA}} Nitrogen (Level 3)
9. {{Icon|FA}} Oxygen (Level 3)
10. {{Icon|B}} {{Icon|DGA}} Ozone
11. {{Icon|FA}} Fluorine
12. {{Icon|B}} {{Icon|DGA}} Neon

1. {{Icon|GA}} Sodium
2. {{Icon|B}} Magnesium
3. {{Icon|GA}} Aluminium (Level 3)
4. {{Icon|GA}} Silicon (Level 3)
5. {{Icon|B}} Phosphorus
6. {{Icon|B}} Sulfur (Level 3)
7. {{Icon|GA}} Chlorine
8. {{Icon|B}} {{Icon|DGA}} Argon

1. {{Icon|GA}} Potassium
2. {{Icon|GA}} Calcium
3. {{Icon|GA}} Scandium
4. {{Icon|B}} {{Icon|FFA}} Titanium
5. {{Icon|GA}} Vanadium
6. {{Icon|GA}} Chromium
7. {{Icon|B}} {{Icon|DGA}} Manganese
8. {{Icon|GA}} Iron (Level 3)
9. {{Icon|GA}} Cobalt
10. {{Icon|GA}} Nickel
11. {{Icon|GA}} Copper (Level 3)
12. {{Icon|FA}} Zinc
13. {{Icon|GA}} Gallium
14. {{Icon|FA}} Germanium
15. {{Icon|B}} Arsenic
16. {{Icon|GA}} Selenium
17. {{Icon|GA}} Bromine
18. {{Icon|GA}} Krypton

1. {{Icon|GA}} Rubidium
2. {{Icon|GA}} Strontium
3. {{Icon|FA}} Yttrium
4. {{Icon|GA}} Zirconium
5. {{Icon|FA}} Niobium
6. {{Icon|GA}} Molybdenum
7. {{Icon|FA}} Technetium
8. {{Icon|GA}} Ruthenium
9. {{Icon|GA}} Rhodium
10. {{Icon|B}} {{Icon|DGA}} Palladium
11. {{Icon|GA}} {{Icon|FFAC}} Silver (Level 3)
12. {{Icon|GA}} Cadmium
13. {{Icon|GA}} Indium
14. {{Icon|B}} Tin
15. {{Icon|GA}} Antimony
16. {{Icon|GA}} Tellurium
17. {{Icon|GA}} Iodine
18. {{Icon|FA}} Xenon

1. {{Icon|FA}} Caesium
2. {{Icon|GA}} Barium
3. {{Icon|GA}} Lanthanum
4. {{Icon|B}} {{Icon|DGA}} Cerium
5. {{Icon|GA}} Praseodymium
6. {{Icon|B}} Neodymium
7. {{Icon|GA}} Promethium
8. {{Icon|GA}} Samarium
9. {{Icon|GA}} Europium
10. {{Icon|C}} Gadolinium
11. {{Icon|GA}} Terbium
12. {{Icon|GA}} Dysprosium
13. {{Icon|GA}} Holmium
14. {{Icon|B}} Erbium
15. {{Icon|GA}} Thulium
16. {{Icon|GA}} Ytterbium
17. {{Icon|GA}} Lutetium
18. {{Icon|GA}} Hafnium
19. {{Icon|GA}} Tantalum
20. {{Icon|GA}} Tungsten
21. {{Icon|GA}} Rhenium
22. {{Icon|GA}} Osmium
23. {{Icon|B}} {{Icon|FFA}} Iridium
24. {{Icon|GA}} Platinum
25. {{Icon|B}} Gold (Level 3)
26. {{Icon|GA}} Mercury (element)
27. {{Icon|GA}} Thallium
28. {{Icon|FA}} Lead
29. {{Icon|GA}} Bismuth
30. {{Icon|GA}} Polonium
31. {{Icon|FA}} Astatine
32. {{Icon|B}} {{Icon|DGA}} Radon

1. {{Icon|FA}} Francium
2. {{Icon|GA}} Radium
3. {{Icon|GA}} Actinium
4. {{Icon|FA}} Thorium
5. {{Icon|GA}} Protactinium
6. {{Icon|B}} {{Icon|FFA}} Uranium
7. {{Icon|GA}} Neptunium
8. {{Icon|FA}} Plutonium
9. {{Icon|GA}} Americium
10. {{Icon|GA}} Curium
11. {{Icon|GA}} Berkelium
12. {{Icon|FA}} Californium

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1. {{Icon|B}} Chemical compound (Level 3)
2. {{Icon|Start}} Inorganic compound
3. {{Icon|C}} Organic compound

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1. {{Icon|B}} {{Icon|DGA}} Water (Level 2)
2. {{Icon|B}} Properties of water
3. {{Icon|GA}} Ice
4. {{Icon|C}} Water vapor
5. {{Icon|B}} Oxide
6. {{Icon|C}} {{Icon|DGA}} Carbon dioxide (Level 3)
7. {{Icon|B}} Carbon monoxide
8. {{Icon|B}} Nitrous oxide
9. {{Icon|B}} Titanium dioxide
10. {{Icon|B}} {{Icon|DGA}} Hydrogen peroxide
11. {{Icon|B}} Cyanide
12. {{Icon|C}} Acid
13. {{Icon|C}} Boric acid
14. {{Icon|B}} {{Icon|FFA}} Hydrochloric acid
15. {{Icon|B}} Hydrofluoric acid
16. {{Icon|B}} Nitric acid
17. {{Icon|B}} Phosphoric acid
18. {{Icon|B}} Sulfuric acid
19. {{Icon|C}} Base
20. {{Icon|B}} {{Icon|DGA}} Ammonia
21. {{Icon|C}} Potassium hydroxide
22. {{Icon|B}} {{Icon|DGA}} Sodium hydroxide

{{Vital article count|20}}

1. {{Icon|C}} Salt (chemistry)
2. {{Icon|C}} Carbonate
3. {{Icon|B}} Calcium carbonate
4. {{Icon|C}} Sodium bicarbonate
5. {{Icon|B}} Sodium carbonate
6. {{Icon|C}} Chloride
7. {{Icon|B}} {{Icon|DGA}} Calcium chloride
8. {{Icon|B}} Polyvinyl chloride
9. {{Icon|B}} Sodium chloride
10. {{Icon|C}} Nitrate
11. {{Icon|C}} Ammonium nitrate
12. {{Icon|B}} Potassium nitrate
13. {{Icon|C}} Sodium nitrate
14. {{Icon|C}} Silicate
15. {{Icon|B}} Sodium silicate
16. {{Icon|C}} Sulfate
17. {{Icon|B}} Alum
18. {{Icon|B}} {{Icon|DGA}} Sodium sulfate
19. {{Icon|C}} Ammonium sulfate
20. {{Icon|C}} Magnesium sulfate

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1. {{Icon|B}} Haloalkane
2. {{Icon|C}} Organophosphorus chemistry
3. {{Icon|B}} Organosilicon chemistry
4. {{Icon|C}} Silicone
5. {{Icon|C}} Organosulfur chemistry
6. {{Icon|C}} Thiol

{{Vital article count|4}}

1. {{Icon|C}} Amide
2. {{Icon|C}} Urea
3. {{Icon|C}} Nylon
4. {{Icon|C}} Amine

{{Vital article count|16}}

1. {{Icon|B}} Alcohol
2. {{Icon|B}} {{Icon|DGA}} Ethanol
3. {{Icon|B}} Methanol
4. {{Icon|C}} Aldehyde
5. {{Icon|B}} Formaldehyde
6. {{Icon|C}} Carboxylic acid
7. {{Icon|FA}} Acetic acid
8. {{Icon|C}} Citric acid
9. {{Icon|B}} Lactic acid
10. {{Icon|C}} Ester
11. {{Icon|C}} Polyester
12. {{Icon|B}} Ether
13. {{Icon|B}} Ketone
14. {{Icon|B}} Acetone
15. {{Icon|B}} Phenol
16. {{Icon|C}} Tannin

{{Vital article count|14}}

1. {{Icon|C}} Hydrocarbon
2. {{Icon|B}} Alkane
3. {{Icon|B}} Butane
4. {{Icon|B}} Ethane
5. {{Icon|B}} Methane
6. {{Icon|C}} Propane
7. {{Icon|C}} Alkene
8. {{Icon|C}} Ethylene
9. {{Icon|B}} Polyethylene
10. {{Icon|Start}} Propylene
11. {{Icon|B}} Polypropylene
12. {{Icon|C}} Aromatic compound
13. {{Icon|B}} {{Icon|DGA}} Benzene
14. {{Icon|B}} Alkyne

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{{Vital article count|12}}

1. {{Icon|C}} Alloy (Level 3)
2. {{Icon|C}} Mixture
3. {{Icon|C}} Aerosol
4. {{Icon|C}} Amalgam
5. {{Icon|B}} Colloid
6. {{Icon|Start}} Dispersion
7. {{Icon|C}} Emulsion
8. {{Icon|C}} Foam
9. {{Icon|C}} Gel
10. {{Icon|C}} Solution
11. {{Icon|C}} Suspension
12. {{Icon|C}} Syngas

{{Vital article count|6}}

1. {{Icon|B}} Brass
2. {{Icon|C}} Bronze (Level 3)
3. {{Icon|C}} Cast iron
4. {{Icon|GA}} Steel (Level 3)
5. {{Icon|C}} Stainless steel
6. {{Icon|C}} Wrought iron

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:For specific geographical places, see: Geography.

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1. {{Icon|C}} Earth science (Level 3)
2. {{Icon|C}} Natural resource

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{{Vital article count|8}}

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1. {{Icon|C}} Natural disaster
2. {{Icon|C}} Earthquake (Level 3)
3. {{Icon|B}} Flood (Level 3)
4. {{Icon|C}} Drought
5. {{Icon|B}} Avalanche
6. {{Icon|B}} Landslide
7. {{Icon|B}} {{Icon|DGA}} Tsunami
8. {{Icon|B}} {{Icon|DGA}} Wildfire

{{Div col end}}

{{Vital article count|163}}

{{Col-begin}}

{{Col-break}}

{{Vital article count|1}}

1. {{Icon|C}} Internal structure of Earth (Level 3)

{{Vital article count|51}}

1. {{Icon|C}} Geology (Level 2)
2. {{Icon|B}} {{Icon|FFA}} Plate tectonics (Level 3)
3. {{Icon|B}} Fold
4. {{Icon|B}} Meteorite
5. {{Icon|C}} Impact crater
6. {{Icon|C}} Lithosphere
7. {{Icon|C}} Crust
8. {{Icon|C}} Fault
9. {{Icon|C}} Stratigraphy
10. {{Icon|C}} Thrust fault

{{Vital article count|11}}

1. {{Icon|B}} Mineral (Level 3)
2. {{Icon|C}} Mineralogy
3. {{Icon|C}} Gemstone
4. {{Icon|Start}} Feldspar
5. {{Icon|C}} Kaolinite
6. {{Icon|C}} Pyroxene
7. {{Icon|B}} Quartz
8. {{Icon|C}} Talc
9. {{Icon|B}} Mica
10. {{Icon|C}} Gypsum
11. {{Icon|B}} Asbestos

{{Vital article count|4}}

1. {{Icon|C}} Emerald
2. {{Icon|B}} Jade
3. {{Icon|B}} Sapphire
4. {{Icon|B}} Ruby

{{Vital article count|3}}

1. {{Icon|B}} Amber
2. {{Icon|C}} Ivory
3. {{Icon|B}} Pearl

{{Vital article count|23}}

1. {{Icon|Start}} Petrology
2. {{Icon|C}} Rock (Level 3)
3. {{Icon|Start}} Ore
4. {{Icon|B}} Igneous rock
5. {{Icon|GA}} Basalt
6. {{Icon|B}} Granite
7. {{Icon|B}} Magma
8. {{Icon|C}} Tuff
9. {{Icon|B}} Sedimentary rock
10. {{Icon|C}} Limestone
11. {{Icon|B}} Clay
12. {{Icon|C}} Sand
13. {{Icon|B}} {{Icon|FFA}} Oil shale
14. {{Icon|C}} Sandstone
15. {{Icon|C}} Bauxite
16. {{Icon|B}} Metamorphic rock
17. {{Icon|Start}} Schist
18. {{Icon|Start}} Marble
19. {{Icon|Start}} Gneiss
20. {{Icon|Start}} Slate
21. {{Icon|C}} Conglomerate
22. {{Icon|B}} Breccia
23. {{Icon|Start}} Gravel

{{Vital article count|7}}

1. {{Icon|C}} Geodesy
2. {{Icon|C}} Geophysics
3. {{Icon|B}} Earth's inner core
4. {{Icon|B}} {{Icon|DGA}} Earth's magnetic field
5. {{Icon|Start}} Earth's outer core
6. {{Icon|B}} Mantle
7. {{Icon|C}} Seismology

{{Col-break}}

{{Vital article count|50}}

1. {{Icon|B}} Geomorphology
2. {{Icon|C}} Erosion (Level 3)
3. {{Icon|C}} Weathering

{{Vital article count|11}}

1. {{Icon|Start}} Landform
2. {{Icon|B}} Land (Level 2)
3. {{Icon|C}} Continent (Level 3)
4. {{Icon|B}} Mountain (Level 3)
5. {{Icon|C}} Mountain range
6. {{Icon|C}} Hill
7. {{Icon|C}} Valley
8. {{Icon|Start}} Plateau
9. {{Icon|Start}} Mesa
10. {{Icon|Start}} Plain
11. {{Icon|Start}} Sedimentary basin

{{Vital article count|9}}

1. {{Icon|GA}} Alluvial fan
2. {{Icon|C}} Beach
3. {{Icon|Start}} Canyon
4. {{Icon|Start}} Cliff
5. {{Icon|C}} Floodplain
6. {{Icon|C}} Meander
7. {{Icon|Start}} Oasis
8. {{Icon|Start}} Rapids
9. {{Icon|B}} Waterfall

{{Vital article count|3}}

1. {{Icon|Start}} Glacial landform
2. {{Icon|C}} Fjord
3. {{Icon|Start}} Moraine

{{Vital article count|2}}

1. {{Icon|B}} Cave
2. {{Icon|C}} Karst

{{Vital article count|12}}

1. {{Icon|GA}} Abyssal plain
2. {{Icon|C}} Archipelago
3. {{Icon|Start}} Bay
4. {{Icon|C}} Coast
5. {{Icon|Start}} Continental shelf
6. {{Icon|B}} Coral reef
7. {{Icon|C}} Atoll
8. {{Icon|C}} Lagoon
9. {{Icon|B}} Oceanic trench
10. {{Icon|C}} Peninsula
11. {{Icon|GA}} Island (Level 3)
12. {{Icon|GA}} Seamount

{{Vital article count|5}}

1. {{Icon|B}} {{Icon|DGA}} Volcano (Level 3)
2. {{Icon|GA}} {{Icon|FFA}} Geyser
3. {{Icon|Start}} Hotspot
4. {{Icon|B}} Lava
5. {{Icon|C}} Mid-ocean ridge

{{Vital article count|2}}

1. {{Icon|C}} Aeolian processes
2. {{Icon|C}} Dune

{{Vital article count|3}}

1. {{Icon|Start}} Artificial island
2. {{Icon|C}} Land reclamation
3. {{Icon|Start}} Polder

{{Col-break}}

{{Vital article count|28}}

1. {{Icon|B}} History of Earth (Level 3)
2. {{Icon|B}} {{Icon|DGA}} Geological history of Earth
3. {{Icon|C}} Geochronology
4. {{Icon|B}} {{Icon|FFA}} Geologic time scale
5. {{Icon|B}} Great Oxidation Event
6. {{Icon|B}} Cambrian explosion
7. {{Icon|B}} Extinction event
8. {{Icon|B}} Late Ordovician mass extinction
9. {{Icon|B}} Late Devonian mass extinction
10. {{Icon|B}} Permian–Triassic extinction event
11. {{Icon|B}} Triassic–Jurassic extinction event
12. {{Icon|FA}} Cretaceous–Paleogene extinction event
13. {{Icon|B}} Ice age
14. {{Icon|B}} Pangaea

{{Vital article count|14}}

1. {{Icon|B}} Precambrian
2. {{Icon|B}} Phanerozoic
3. {{Icon|B}} Paleozoic
4. {{Icon|B}} Cambrian
5. {{Icon|B}} Permian
6. {{Icon|C}} Mesozoic
7. {{Icon|B}} Triassic
8. {{Icon|B}} Jurassic
9. {{Icon|B}} Cretaceous
10. {{Icon|C}} Cenozoic
11. {{Icon|B}} Paleogene
12. {{Icon|B}} Neogene
13. {{Icon|C}} Quaternary
14. {{Icon|B}} Holocene

{{Vital article count|19}}

1. {{Icon|GA}} Desert (Level 3)
2. {{Icon|B}} Tundra
3. {{Icon|Start}} Shrubland

{{Vital article count|7}}

1. {{Icon|B}} Forest (Level 3)
2. {{Icon|C}} Jungle
3. {{Icon|C}} Mangrove
4. {{Icon|B}} Taiga
5. {{Icon|C}} Rainforest
6. {{Icon|C}} Tropical rainforest
7. {{Icon|Start}} Temperate broadleaf and mixed forests

{{Vital article count|5}}

1. {{Icon|B}} Grassland (Level 3)
2. {{Icon|C}} Meadow
3. {{Icon|B}} Prairie
4. {{Icon|B}} Savanna
5. {{Icon|C}} Steppe

{{Vital article count|4}}

1. {{Icon|B}} Wetland
2. {{Icon|C}} Swamp
3. {{Icon|C}} Marsh
4. {{Icon|C}} Bog

{{Vital article count|7}}

1. {{Icon|B}} Soil (Level 3)
2. {{Icon|B}} Peat
3. {{Icon|Start}} Soil formation
4. {{Icon|Start}} Pedosphere
5. {{Icon|Start}} Sediment
6. {{Icon|C}} Soil fertility
7. {{Icon|C}} Soil science

{{Col-end}}

{{Vital article count|59}}

{{Col-begin}}

{{Col-break}}

{{Vital article count|9}}

1. {{Icon|C}} Atmosphere of Earth (Level 3)
2. {{Icon|GA}} Air mass
3. {{Icon|B}} Atmospheric pressure
4. {{Icon|C}} Atmospheric science
5. {{Icon|B}} Ozone depletion

{{Vital article count|4}}

1. {{Icon|B}} Aurora
2. {{Icon|C}} Mirage
3. {{Icon|C}} {{Icon|FFA}} Rainbow
4. {{Icon|C}} Sky

{{Vital article count|9}}

1. {{Icon|C}} Climatology
2. {{Icon|GA}} Climate (Level 2)
3. {{Icon|FA}} Climate change (Level 3)
4. {{Icon|C}} Greenhouse effect
5. {{Icon|C}} {{Icon|DGA}} Climate variability and change
6. {{Icon|C}} El Niño–Southern Oscillation
7. {{Icon|B}} Köppen climate classification
8. {{Icon|Start}} Temperate climate
9. {{Icon|B}} Tropical climate

{{Col-break}}

{{Vital article count|41}}

{{Vital article count|6}}

1. {{Icon|C}} Meteorology
2. {{Icon|GA}} Weather (Level 3)
3. {{Icon|GA}} Weather front
4. {{Icon|GA}} Weather forecasting
5. {{Icon|C}} Humidity
6. {{Icon|GA}} Low-pressure area

{{Vital article count|5}}

1. {{Icon|GA}} Cloud (Level 3)
2. {{Icon|FA}} Cirrus cloud
3. {{Icon|C}} Cumulonimbus cloud
4. {{Icon|GA}} Cumulus cloud
5. {{Icon|B}} Fog

{{Vital article count|7}}

1. {{Icon|GA}} Precipitation
2. {{Icon|GA}} Rain (Level 3)
3. {{Icon|GA}} Snow (Level 3)
4. {{Icon|B}} Acid rain
5. {{Icon|GA}} Hail
6. {{Icon|Start}} Dew
7. {{Icon|C}} Frost

{{Vital article count|5}}

1. {{Icon|C}} Season (Level 3)
2. {{Icon|C}} Spring (season)
3. {{Icon|C}} Summer
4. {{Icon|C}} Autumn
5. {{Icon|C}} Winter

{{Col-break}}

{{Vital article count|7}}

1. {{Icon|Start}} Atmospheric circulation
2. {{Icon|GA}} High-pressure area
3. {{Icon|GA}} Cyclone
4. {{Icon|C}} {{Icon|FFA}} Extratropical cyclone
5. {{Icon|C}} Hadley cell
6. {{Icon|C}} Polar vortex
7. {{Icon|Start}} Walker circulation

{{Vital article count|7}}

1. {{Icon|C}} Storm
2. {{Icon|B}} {{Icon|FFA}} Tornado (Level 3)
3. {{Icon|B}} {{Icon|FFA}} Tropical cyclone (Level 3)
4. {{Icon|C}} Blizzard
5. {{Icon|C}} Dust storm
6. {{Icon|B}} Lightning
7. {{Icon|GA}} Thunderstorm

{{Vital article count|4}}

1. {{Icon|B}} {{Icon|FFA}} Wind (Level 3)
2. {{Icon|GA}} Jet stream
3. {{Icon|C}} Monsoon
4. {{Icon|GA}} Trade winds

{{Col-end}}

{{Vital article count|30}}

{{Col-begin}}

{{Col-break}}

{{Vital article count|2}}

1. {{Icon|C}} Hydrosphere
2. {{Icon|C}} Cryosphere

{{Vital article count|6}}

1. {{Icon|B}} {{Icon|DGA}} Glacier
2. {{Icon|C}} Ice sheet
3. {{Icon|C}} Ice shelf
4. {{Icon|B}} Iceberg
5. {{Icon|C}} Sea ice
6. {{Icon|GA}} Permafrost

{{Col-break}}

{{Vital article count|8}}

1. {{Icon|C}} Oceanography
2. {{Icon|FA}} Sea (Level 2)
3. {{Icon|B}} Ocean (Level 3)
4. {{Icon|B}} Tide
5. {{Icon|Start}} Sea level
6. {{Icon|Start}} Seabed
7. {{Icon|C}} Ocean current
8. {{Icon|C}} Thermohaline circulation

{{Col-break}}

{{Vital article count|14}}

1. {{Icon|C}} Hydrology
2. {{Icon|C}} {{Icon|DGA}} Water cycle
3. {{Icon|Start}} Body of water
4. {{Icon|C}} Groundwater
5. {{Icon|C}} Spring (hydrology)
6. {{Icon|Start}} Hydrography
7. {{Icon|Start}} Limnology
8. {{Icon|C}} Lake (Level 3)
9. {{Icon|Start}} Dry lake
10. {{Icon|C}} Pond
11. {{Icon|GA}} River (Level 3)
12. {{Icon|C}} Drainage basin
13. {{Icon|C}} Estuary
14. {{Icon|C}} River delta

{{Col-end}}

{{Vital article count|291}}

{{Div col|colwidth=15em}}

{{Vital article count|23}}

1. {{Icon|B}} {{Icon|DGA}} Physics (Level 2)
2. {{Icon|C}} Energy (Level 2)
3. {{Icon|B}} Conservation of energy
4. {{Icon|C}} Matter (Level 3)
5. {{Icon|B}} {{Icon|FFA}} Atom (Level 2)
6. {{Icon|GA}} Force (Level 3)
7. {{Icon|B}} Electromagnetism (Level 3)
8. {{Icon|B}} Gravity (Level 3)
9. {{Icon|C}} Strong interaction (Level 3)
10. {{Icon|C}} {{Icon|DGA}} Weak interaction (Level 3)
11. {{Icon|B}} Spacetime
12. {{Icon|C}} Space (Level 3)
13. {{Icon|C}} Vacuum (Level 3)
14. {{Icon|B}} Time (Level 2)
15. {{Icon|B}} Mass–energy equivalence
16. {{Icon|C}} Quantum gravity
17. {{Icon|C}} Radiation
18. {{Icon|C}} Ionizing radiation
19. {{Icon|C}} Field (physics)
20. {{Icon|C}} Flux
21. {{Icon|C}} Gauge theory
22. {{Icon|C}} Symmetry (physics)
23. {{Icon|C}} Theoretical physics

{{Div col end}}

{{Vital article count|21}}

{{Col-begin}}

{{Col-break}}

{{Vital article count|11}}

1. {{Icon|C}} Atomic physics
2. {{Icon|B}} Atomic orbital
3. {{Icon|GA}} History of atomic theory
4. {{Icon|C}} Binding energy
5. {{Icon|B}} Bohr model
6. {{Icon|B}} Bremsstrahlung
7. {{Icon|C}} Electron configuration
8. {{Icon|C}} Electron shell
9. {{Icon|Start}} Energy level
10. {{Icon|B}} Rutherford scattering experiments
11. {{Icon|B}} Ion

{{Col-break}}

{{Vital article count|2}}

1. {{Icon|C}} Molecular orbital
2. {{Icon|C}} Molecular orbital theory

{{Vital article count|8}}

1. {{Icon|B}} Optics (Level 3)
2. {{Icon|Start}} Focus
3. {{Icon|C}} Focal length
4. {{Icon|B}} Polarization
5. {{Icon|C}} Reflection
6. {{Icon|C}} Refraction
7. {{Icon|B}} Refractive index
8. {{Icon|C}} Transparency and translucency

{{Col-end}}

{{Vital article count|17}}

{{Col-begin}}

{{Col-break}}

{{Vital article count|6}}

1. {{Icon|B}} Color (Level 3)
2. {{Icon|Start}} CMYK color model
3. {{Icon|C}} Color theory
4. {{Icon|B}} Primary color
5. {{Icon|C}} Gloss (optics)
6. {{Icon|B}} RGB color model

{{Col-break}}

{{Vital article count|11}}

1. {{Icon|C}} White
2. {{Icon|C}} Black
3. {{Icon|C}} Grey
4. {{Icon|B}} Red
5. {{Icon|C}} Orange
6. {{Icon|C}} Yellow
7. {{Icon|B}} {{Icon|DGA}} Green
8. {{Icon|B}} Blue
9. {{Icon|C}} Pink
10. {{Icon|C}} Purple
11. {{Icon|Start}} Brown

{{Col-end}}

{{Vital article count|24}}

{{Col-begin}}

{{Col-break}}

{{Vital article count|3}}

1. {{Icon|GA}} Condensed matter physics
2. {{Icon|C}} Solid-state physics
3. {{Icon|B}} Amorphous solid

{{Vital article count|3}}

1. {{Icon|C}} Crystallography
2. {{Icon|B}} Crystal
3. {{Icon|Start}} Crystallization

{{Col-break}}

{{Vital article count|8}}

1. {{Icon|B}} State of matter (Level 3)
2. {{Icon|C}} Solid
3. {{Icon|B}} Liquid
4. {{Icon|B}} Gas
5. {{Icon|Start}} Vapor
6. {{Icon|B}} {{Icon|DGA}} Plasma
7. {{Icon|C}} Degenerate matter
8. {{Icon|C}} Bose–Einstein condensate

{{Col-break}}

{{Vital article count|10}}

1. {{Icon|C}} Phase transition
2. {{Icon|B}} Phase
3. {{Icon|Start}} Boiling
4. {{Icon|C}} Melting
5. {{Icon|Start}} Freezing
6. {{Icon|C}} Evaporation
7. {{Icon|Start}} Condensation
8. {{Icon|C}} Ionization
9. {{Icon|Start}} Critical point
10. {{Icon|Start}} Triple point

{{Col-end}}

{{Vital article count|46}}

{{Col-begin}}

{{Col-break}}

{{Vital article count|10}}

1. {{Icon|GA}} Electricity (Level 2)
2. {{Icon|B}} Magnetism (Level 3)
3. {{Icon|C}} Ferromagnetism
4. {{Icon|C}} Magnet
5. {{Icon|C}} Electromagnet
6. {{Icon|C}} Dielectric
7. {{Icon|Start}} Dipole
8. {{Icon|B}} Metamaterial
9. {{Icon|C}} Oil drop experiment
10. {{Icon|B}} Photoelectric effect

{{Vital article count|5}}

1. {{Icon|B}} Electrostatics
2. {{Icon|B}} Coulomb's law
3. {{Icon|B}} Electric charge
4. {{Icon|B}} Electric field
5. {{Icon|B}} Electric potential

{{Col-break}}

{{Vital article count|16}}

1. {{Icon|C}} Electromagnetic radiation (Level 3)
2. {{Icon|B}} Electromagnetic spectrum
3. {{Icon|C}} Radio wave
4. {{Icon|B}} Microwave
5. {{Icon|B}} Infrared
6. {{Icon|B}} Light (Level 3)
7. {{Icon|B}} Visible spectrum
8. {{Icon|B}} {{Icon|DGA}} Ultraviolet
9. {{Icon|B}} X-ray
10. {{Icon|B}} Fluorescence
11. {{Icon|C}} Electromagnetic field
12. {{Icon|B}} Electromagnetic induction
13. {{Icon|B}} Electromotive force
14. {{Icon|B}} Lorentz force
15. {{Icon|B}} Eddy current
16. {{Icon|B}} Maxwell's equations

{{Col-break}}

{{Vital article count|2}}

1. {{Icon|C}} Magnetic field
2. {{Icon|Start}} Magnetostatics

{{Vital article count|13}}

1. {{Icon|C}} Electric current
2. {{Icon|C}} Alternating current
3. {{Icon|C}} Direct current
4. {{Icon|C}} Electrical network
5. {{Icon|C}} Electrical impedance
6. {{Icon|B}} Electrical resistance and conductance
7. {{Icon|B}} Ohm's law
8. {{Icon|C}} Capacitance
9. {{Icon|C}} Semiconductor
10. {{Icon|B}} {{Icon|DGA}} Superconductivity
11. {{Icon|C}} Gain (electronics)
12. {{Icon|B}} Inductance
13. {{Icon|C}} Kirchhoff's circuit laws

{{Col-end}}

{{Vital article count|85}}

{{Col-begin}}

{{Col-break}}

{{Vital article count|9}}

1. {{Icon|C}} Mechanics
2. {{Icon|C}} Ballistics
3. {{Icon|Start}} Continuum mechanics
4. {{Icon|B}} Kinematics
5. {{Icon|C}} Relativistic mechanics
6. {{Icon|Start}} Statics
7. {{Icon|B}} Oscillation
8. {{Icon|B}} Harmonic oscillator
9. {{Icon|C}} Simple harmonic motion

{{Vital article count|11}}

1. {{Icon|GA}} {{Icon|FFA}} Quantum mechanics (Level 3)
2. {{Icon|B}} Pauli exclusion principle
3. {{Icon|C}} Quantum chromodynamics
4. {{Icon|GA}} Quantum electrodynamics
5. {{Icon|B}} Quantum entanglement
6. {{Icon|B}} Quantum field theory
7. {{Icon|C}} Quantum tunnelling
8. {{Icon|B}} {{Icon|DGA}} Schrödinger equation
9. {{Icon|B}} Uncertainty principle
10. {{Icon|C}} Wave function
11. {{Icon|B}} Wave–particle duality

{{Col-break}}

{{Vital article count|9}}

{{Div col|colwidth=20em}}

1. {{Icon|B}} Theory of relativity (Level 3)
2. {{Icon|FA}} General relativity
3. {{Icon|B}} {{Icon|DGA}} Special relativity
4. {{Icon|B}} Principle of relativity
5. {{Icon|B}} Equivalence principle
6. {{Icon|B}} Gravitational wave
7. {{Icon|B}} Lorentz transformation
8. {{Icon|B}} Michelson–Morley experiment
9. {{Icon|FA}} Speed of light (Level 3)

{{Col-break}}

{{Vital article count|29}}

1. {{Icon|C}} Classical mechanics (Level 3)
2. {{Icon|C}} Hamiltonian mechanics
3. {{Icon|C}} Lagrangian mechanics
4. {{Icon|C}} Mass (Level 3)
5. {{Icon|C}} Density
6. {{Icon|B}} Momentum (Level 3)
7. {{Icon|C}} Motion (Level 3)
8. {{Icon|B}} Newton's laws of motion (Level 3)
9. {{Icon|C}} Speed
10. {{Icon|C}} Acceleration
11. {{Icon|C}} Velocity
12. {{Icon|B}} Equations of motion
13. {{Icon|B}} Kinetic energy
14. {{Icon|C}} Potential energy
15. {{Icon|B}} Inertia
16. {{Icon|B}} Moment of inertia
17. {{Icon|B}} Friction
18. {{Icon|Start}} Impulse
19. {{Icon|C}} Power
20. {{Icon|B}} Work
21. {{Icon|C}} Rotation
22. {{Icon|B}} Angular momentum
23. {{Icon|B}} Centripetal force
24. {{Icon|B}} Coriolis force
25. {{Icon|C}} Torque
26. {{Icon|B}} Weight
27. {{Icon|C}} Weighing scale
28. {{Icon|C}} Frame of reference
29. {{Icon|B}} Newton's law of universal gravitation

{{Col-break}}

{{Vital article count|16}}

1. {{Icon|B}} Fluid mechanics
2. {{Icon|B}} Fluid dynamics
3. {{Icon|B}} Aerodynamics
4. {{Icon|B}} Bernoulli's principle
5. {{Icon|C}} Buoyancy
6. {{Icon|C}} Convection
7. {{Icon|C}} Drag
8. {{Icon|C}} Diffusion
9. {{Icon|C}} Flight
10. {{Icon|C}} Lift (force)
11. {{Icon|B}} Navier–Stokes equations
12. {{Icon|Start}} Osmosis
13. {{Icon|B}} Reynolds number
14. {{Icon|C}} {{Icon|DGA}} Surface tension
15. {{Icon|Start}} Turbulence
16. {{Icon|B}} Viscosity

{{Vital article count|10}}

1. {{Icon|Start}} Solid mechanics
2. {{Icon|C}} Deformation
3. {{Icon|Start}} Elastic modulus
4. {{Icon|Start}} Elasticity
5. {{Icon|C}} Fatigue
6. {{Icon|B}} Hooke's law
7. {{Icon|C}} Plasticity
8. {{Icon|Start}} Stiffness
9. {{Icon|C}} Strength of materials
10. {{Icon|B}} Stress (mechanics)

{{Vital article count|1}}

1. {{Icon|C}} Statistical mechanics

{{Col-end}}

{{Vital article count|10}}

{{Div col|colwidth=20em}}

1. {{Icon|C}} Atomic nucleus
2. {{Icon|C}} Nuclear physics
3. {{Icon|C}} Isotope
4. {{Icon|B}} Nuclear fission
5. {{Icon|B}} Nuclear fusion
6. {{Icon|C}} Nucleosynthesis
7. {{Icon|C}} Radioactive decay (Level 3)
8. {{Icon|C}} Alpha particle
9. {{Icon|C}} Beta particle
10. {{Icon|B}} Gamma ray

{{Div col end}}

{{Vital article count|35}}

{{col-begin}}

{{col-break}}

{{Vital article count|13}}

1. {{Icon|C}} Particle physics (Level 3)
2. {{Icon|B}} Standard Model (Level 3)
3. {{Icon|C}} Physics beyond the Standard Model
4. {{Icon|B}} {{Icon|DGA}} String theory
5. {{Icon|C}} Supersymmetry
6. {{Icon|C}} Particle
7. {{Icon|B}} Particle accelerator
8. {{Icon|B}} Large Hadron Collider
9. {{Icon|B}} Tevatron
10. {{Icon|Start}} Particle detector
11. {{Icon|Start}} Cloud chamber
12. {{Icon|Start}} Scattering
13. {{Icon|C}} Spin

{{col-break}}

{{Vital article count|19}}

1. {{Icon|C}} Subatomic particle (Level 3)

{{Vital article count|12}}

1. {{Icon|C}} Fermion
2. {{Icon|B}} Lepton
3. {{Icon|FA}} Electron (Level 3)
4. {{Icon|B}} Muon
5. {{Icon|C}} Tau
6. {{Icon|B}} Neutrino
7. {{Icon|FA}} Quark
8. {{Icon|C}} Hadron
9. {{Icon|C}} Baryon
10. {{Icon|B}} Neutron (Level 3)
11. {{Icon|C}} Proton (Level 3)
12. {{Icon|B}} Meson

{{col-break}}

{{Vital article count|6}}

1. {{Icon|C}} Boson
2. {{Icon|Start}} Gauge boson
3. {{Icon|B}} {{Icon|FFA}} Photon (Level 3)
4. {{Icon|B}} Gluon
5. {{Icon|B}} W and Z bosons
6. {{Icon|B}} Higgs boson

{{Vital article count|3}}

1. {{Icon|B}} Antimatter
2. {{Icon|C}} Antiparticle
3. {{Icon|C}} Positron

{{col-end}}

{{Div col end}}

{{Vital article count|15}}

{{Div col|colwidth=20em}}

1. {{Icon|B}} {{Icon|DGA}} Thermodynamics (Level 3)
2. {{Icon|C}} Heat (Level 3)
3. {{Icon|B}} Temperature (Level 3)
4. {{Icon|B}} Absolute zero
5. {{Icon|C}} Pressure
6. {{Icon|C}} Laws of thermodynamics
7. {{Icon|Start}} Heat capacity
8. {{Icon|C}} Heat transfer
9. {{Icon|B}} {{Icon|DGA}} Entropy
10. {{Icon|C}} Enthalpy
11. {{Icon|B}} Black-body radiation
12. {{Icon|B}} Internal energy
13. {{Icon|C}} Thermodynamic cycle
14. {{Icon|C}} Thermodynamic free energy
15. {{Icon|C}} Ideal gas law

{{Div col end}}

{{Vital article count|15}}

{{Div col|colwidth=20em}}

1. {{Icon|B}} Wave (Level 3)
2. {{Icon|C}} Acoustics
3. {{Icon|B}} {{Icon|DGA}} Sound (Level 3)
4. {{Icon|B}} Speed of sound
5. {{Icon|C}} Ultrasound
6. {{Icon|C}} Amplitude
7. {{Icon|C}} Frequency
8. {{Icon|B}} Wavelength
9. {{Icon|B}} Diffraction
10. {{Icon|B}} Doppler effect
11. {{Icon|C}} Wave interference
12. {{Icon|B}} Noise
13. {{Icon|C}} Resonance
14. {{Icon|Start}} Superposition principle
15. {{Icon|C}} Wave equation

{{Div col end}}

{{Core topics}}

All languages should have

Vital articles