Wikipedia:Vital articles/Level/5/Physical sciences/Basics and measurement

Vital articles is a list of subjects for which Wikipedia should have corresponding high-quality articles. It serves as a centralized watchlist to track the status of Wikipedia's most essential articles. This is one of the sub-lists of the fifty thousand article Vital articles/Level 5 and is currently under construction.

Quota 350 articles.

Total 352 articles.

=Science basics =


 * 1)  Science (Level 1)
 * 2)  Academic discipline
 * 3)  Interdisciplinarity
 * 4)  Branches of science
 * 5)  Formal science
 * 6)  Data science
 * 7)  Information science
 * 8)  Natural science
 * 9)  Classification
 * 10)  Taxonomy
 * 11)  Data
 * 12)  Data analysis
 * 13)  Data sharing
 * 14)  Error
 * 15)  Experiment (Level 4)
 * 16)  Blinded experiment
 * 17)  Fringe science
 * 18)  Funding of science
 * 19)  Metascience
 * 20)  Model
 * 21)   Nature (Level 3)
 * 22)  Observation (Level 4)
 * 23)  Open science
 * 24)   Peer review
 * 25)  Scholarly peer review
 * 26)  Protoscience
 * 27)  Reproducibility
 * 28)  Replication crisis
 * 29)  Research (Level 4)
 * 30)  Basic research
 * 31)  Field research (Level 4)
 * 32)  Fieldnotes
 * 33)  Laboratory (Level 4)
 * 34)  Anechoic chamber
 * 35)  Laboratory safety
 * 36)  Medical laboratory
 * 37)  Cleanroom
 * 38)  Laboratory glassware
 * 39)  Qualitative research
 * 40)  Case study
 * 41)  Quantitative research
 * 42)  Scientific community
 * 43)  Scientific evidence
 * 44)  Scientific law  (Level 4)
 * 45)  Scientific method (Level 3)
 * 46)  Scientific misconduct
 * 47)  Scientific modelling (Level 4)
 * 48)  Computational science
 * 49)  Scientific theory (Level 4)
 * 50)  Scientist
 * 51)  Self-replication
 * 52)   System (Level 4)
 * 53)  Complex system
 * 54)  Cybernetics (Level 4)
 * 55)  Feedback

=Measurement =

This list contains units of measurement and articles on metrology. For the measured quantities, see the Science and Mathematics (Level 4) sections. For timekeeping and navigation, see the Everyday life (Level 4) and Technology (Level 4) sections. For measurement errors, see the Statistics (Level 4) section in Mathematics.

Basics

 * 1)  Measurement (Level 3)
 * 2)  Accuracy and precision (Level 4)
 * 3)  Metrology (Level 4)
 * 4)  Chronometry
 * 5)  Unit of measurement (Level 4)
 * 6)  Conversion of units
 * 7)  Units of information
 * 8)  Dry measure
 * 9)  Dimensional analysis
 * 10)  Buckingham π theorem
 * 11)  Telemetry

Measurement systems

 * 1)  System of units of measurement
 * 2)  Coherence (units of measurement)
 * 3)  Approximate measures
 * 4)   Apothecaries' system
 * 5)  Astronomical system of units
 * 6)  Avoirdupois
 * 7)  Biblical and Talmudic units of measurement
 * 8)  Chinese units of measurement
 * 9)  Cooking weights and measures
 * 10)  English units
 * 11)  English brewery cask units
 * 12)  English wine cask units
 * 13)  Winchester measure
 * 14)  Imperial and US customary measurement systems
 * 15)  Imperial units (Level 4)
 * 16)  United States customary units (Level 4)
 * 17)  Comparison of the imperial and US customary measurement systems
 * 18)  Foot–pound–second system of units
 * 19)  International yard and pound
 * 20)  Japanese units of measurement
 * 21)  Korean units of measurement
 * 22)  Metric system (Level 4)
 * 23)   International System of Units (Level 3)
 * 24)  Caesium standard
 * 25)  International Prototype of the Kilogram
 * 26)  SI base unit
 * 27)  International System of Quantities
 * 28)  MKS units
 * 29)  Centimetre–gram–second system of units
 * 30)  Metre–tonne–second system of units
 * 31)  Gravitational metric system
 * 32)  Natural units (Level 4)
 * 33)  Planck units (Level 4)
 * 34)  Atomic units
 * 35)  Geometrized unit system
 * 36)  Gaussian units
 * 37)  Heaviside–Lorentz units
 * 38)  Stoney units
 * 39)  Troy weight
 * 40)  Typographic unit
 * 41)  Unit of account

Angle

 * 1)  Degree (angle) (Level 4)
 * 2)  Minute and second of arc
 * 3)  Radian (Level 4)
 * 4)  Milliradian
 * 5)  Gradian

Solid angle

 * 1)  Steradian (Level 4)
 * 2)  Square degree

Metric

 * 1)  Metre (Level 4)
 * 2)  Height above mean sea level
 * 3)  Kilometre
 * 4)  Centimetre
 * 5)  Millimetre
 * 6)  Micrometre
 * 7)  Nanometre
 * 8)  Angstrom

English

 * 1)  Digit (unit)
 * 2)  Inch (Level 4)
 * 3)  Nail (unit)
 * 4)  Palm (unit)
 * 5)  Hand (unit)
 * 6)  Link (unit)
 * 7)  Foot (unit) (Level 4)
 * 8)  Cubit (Level 4)
 * 9)  Yard
 * 10)  Fathom
 * 11)  Rod (unit)
 * 12)  Chain (unit)
 * 13)  Furlong
 * 14)  Mile (Level 4)
 * 15)  Nautical mile (Level 4)
 * 16)  League (unit)

East Asian

 * 1)  Chi (unit)
 * 2)  Cun (unit)
 * 3)  Ken (unit)
 * 4)  Li (unit)
 * 5)  Shaku (unit)

Astronomical

 * 1)  Astronomical unit (Level 4)
 * 2)  Lunar distance
 * 3)  Solar radius
 * 4)  Light-year (Level 4)
 * 5)  Parsec (Level 4)

Typographic

 * 1)  Em (typography)
 * 2)  En (typography)
 * 3)  Point (typography)
 * 4)  Pica (typography)

Other

 * 1)  Biblical mile
 * 2)  Day's journey
 * 3)  Pace (unit)
 * 4)  Stadion (unit)
 * 5)  Verst
 * 6)  X unit

Area

 * 1)  Square inch
 * 2)  Square foot
 * 3)  Square yard
 * 4)  Square metre
 * 5)  Rood (unit)
 * 6)  Acre (Level 4)
 * 7)  Oxgang
 * 8)  Virgate
 * 9)  Carucate
 * 10)  Hide (unit)
 * 11)  Knight's fee
 * 12)  Hundred (county division)
 * 13)  Hectare (Level 4)
 * 14)  Square kilometre
 * 15)  Square mile
 * 16)  Barn (unit)
 * 17)  Pyeong

Volume

 * 1)  Cord (unit)
 * 2)  Cubic inch
 * 3)  Cubic foot
 * 4)  Acre-foot
 * 5)  Litre (Level 4)
 * 6)  Cubic metre
 * 7)  Cubic centimetre
 * 8)  Minim (unit)
 * 9)  Drop (unit)
 * 10)  Pinch (unit)
 * 11)  Teaspoon
 * 12)  Dessert spoon
 * 13)  Tablespoon
 * 14)  Fluid ounce
 * 15)  Gill (unit)
 * 16)  Cup (unit)
 * 17)  Pint
 * 18)  Quart
 * 19)  Barrel (unit)
 * 20)  Gallon (Level 4)
 * 21)  Ge (unit)
 * 22)  Koku

Volumetric flow rate

 * 1)  Cubic metre per second

Power

 * 1)  Watt (Level 4)
 * 2)  Horsepower
 * 3)  Solar luminosity

Energy

 * 1)  Joule (Level 4)
 * 2)  Joule-second
 * 3)  British thermal unit
 * 4)  Calorie (Level 4)
 * 5)  Electronvolt (Level 4)
 * 6)  Erg
 * 7)  Foot-pound (energy)
 * 8)  Kilowatt-hour
 * 9)  TNT equivalent
 * 10)  Hartree

Pressure

 * 1)  Pascal (unit) (Level 4)
 * 2)  Standard atmosphere (unit) (Level 4)
 * 3)  Bar (unit)
 * 4)  Torr
 * 5)  Millimetre of mercury
 * 6)  Pound per square inch

Momentum/impulse

 * 1)  Newton-second

Force

 * 1)  Newton (unit) (Level 4)
 * 2)  Dyne
 * 3)  Kilogram-force
 * 4)  Pound (force)

Torque

 * 1)  Newton-metre

Viscosity

 * 1)  Poise (unit)
 * 2)  Reyn

Mass and weight

 * 1)  Solar mass
 * 2)  Jupiter mass
 * 3)  Earth mass
 * 4)  Dalton (unit) (Level 4)
 * 5)  Kilogram (Level 4)
 * 6)  Tonne
 * 7)  Gram
 * 8)  Microgram
 * 9)  Carat (mass)
 * 10)  Ton (Level 4)
 * 11)  Long ton
 * 12)  Short ton
 * 13)  Bushel
 * 14)  Peck
 * 15)  Ounce (Level 4)
 * 16)  Mark (unit)
 * 17)  Pound (mass) (Level 4)
 * 18)  Sack (unit)
 * 19)  Grain (unit)
 * 20)  Slug (unit)
 * 21)  Stone (unit)
 * 22)  Dram (unit)
 * 23)  Hundredweight
 * 24)  Pennyweight
 * 25)  Electron mass

Chinese

 * 1)  Candareen
 * 2)  Cash (unit)
 * 3)  Catty
 * 4)  Mace (unit)
 * 5)  Picul
 * 6)  Tael

Speed

 * 1)  Knot (unit) (Level 4)
 * 2)  Kilometres per hour
 * 3)  Metre per second
 * 4)  Miles per hour
 * 5)  Foot per second

Acceleration

 * 1)  Gal (unit)
 * 2)  Metre per second squared
 * 3)  Standard gravity

Angular velocity

 * 1)  Inverse second
 * 2)  Radian per second
 * 3)  Revolutions per minute

Ratio

 * 1)  Decibel (Level 4)
 * 2)  Mole fraction
 * 3)  Mass fraction (chemistry)
 * 4)  Neper
 * 5)  Relative density
 * 6)  Volume fraction

Density

 * 1)  Gram per cubic centimetre
 * 2)  Kilogram per cubic metre

Concentration

 * 1)  Brix
 * 2)  Molar concentration
 * 3)  Molality
 * 4)  Parts-per notation

Time

 * 1)  Attosecond
 * 2)  Femtosecond
 * 3)  Picosecond
 * 4)  Nanosecond
 * 5)  Shake (unit)
 * 6)  Microsecond
 * 7)  Millisecond
 * 8)  Second (Level 4)
 * 9)  Minute (Level 4)
 * 10)  Moment (unit)
 * 11)  Hour (Level 4)
 * 12)  Day (Level 3)
 * 13)  Week (Level 4)
 * 14)  Fortnight
 * 15)  Month (Level 4)
 * 16)  Year (Level 3)
 * 17)  Olympiad
 * 18)  Lustrum
 * 19)  Decade
 * 20)  Century
 * 21)  Millennium
 * 22)  Epoch
 * 23)  Era
 * 24)  Aeon
 * 25)  Eternity

Frequency

 * 1)  Hertz (Level 4)

Specific intensity

 * 1)  Jansky

Charge

 * 1)  Coulomb (Level 4)
 * 2)  Statcoulomb
 * 3)  Ampere-hour

Current

 * 1)  Ampere (Level 4)

Electric potential

 * 1)  Volt (Level 4)

Capacitance

 * 1)  Farad (Level 4)

Magnetic field

 * 1)  Tesla (unit) (Level 4)
 * 2)  Gauss (unit)

Magnetic flux

 * 1)  Weber (unit) (Level 4)
 * 2)  Maxwell (unit)

Electrical resistance

 * 1)  Ohm (Level 4)

Electrical conductance

 * 1)  Siemens (unit) (Level 4)

Inductance

 * 1)  Henry (unit) (Level 4)

Temperature

 * 1)  Celsius (Level 4)
 * 2)  Fahrenheit (Level 4)
 * 3)  Kelvin (Level 4)
 * 4)  Rankine scale

Amount of substance

 * 1)  Mole (unit) (Level 4)

Luminous intensity

 * 1)  Candela (Level 4)
 * 2)  Candlepower

Luminous flux

 * 1)  Lumen (unit) (Level 4)

Illuminance

 * 1)  Lux (Level 4)

Radioactivity

 * 1)  Becquerel (Level 4)
 * 2)  Curie (unit)

Exposure

 * 1)  Roentgen (unit)

Absorbed dose

 * 1)  Gray (unit) (Level 4)
 * 2)  Rad (radiation unit)

Equivalent dose

 * 1)  Sievert (Level 4)

Catalytic activity

 * 1)  Katal
 * 2)  Enzyme unit

Information

 * 1)  Baud
 * 2)  Bit (Level 4)
 * 3)  Kilobit
 * 4)  Megabit
 * 5)  Byte (Level 4)
 * 6)  Kilobyte
 * 7)  Megabyte
 * 8)  Gigabyte
 * 9)  Nat (unit)
 * 10)  Shannon (unit)
 * 11)  Qubit

Visual

 * 1)  Dots per inch
 * 2)  Pixel density

Other

 * 1)  Alcohol proof
 * 2)  Air quality index
 * 3)  Ultraviolet index