- Symbol for velocity v
- Atmospheric pressure 100000 Pa
- Unit for velocity m/s (metres per second)
- Symbol for length l
- Density of fresh water 1000kg/m3 or 1g/cm3
- Unit for length m (metres)
- Symbol for force F
- Density of sea water 1050 kg/m3
- Unit for force N (Newtons)
- Symbol for acceleration a
- Density of air 1.3 kg/m3
- Unit for acceleration m/s2 (metres per second squared)
- Symbol for mass m
- Acceleration due to gravity on Earth 9.81m/s2
- Gravitational field strength on Earth 9.81N/kg (sometimes 10N/kg)
- Unit for mass kg (kilograms)
- Symbol for time t
- Gravitational field strength on Mars 3.7N/kg
- Unit for time s (seconds)
- Symbol for temperature T
- Acceleration due to gravity on Mars 3.7m/s2
- Unit for temperature °C (or K) (degrees Celsius or Kelvin)
- Symbol for current I
- Gravitational field strength on The Moon 1.6N/kg
- Unit for current A (or K) (Amps)
- Symbol for area A
- Acceleration due to gravity on The Moon 1.6m/s2
- Unit for area m2 (or K) (metres squared)
- Symbol for density ρ
- Specific heat capacity of water 4200J/kg°C
- Unit for density kg/m3 (kilograms per metre cubed)
- Symbol for charge Q
- Specific heat capacity of ice 2100J/kg°C
- Unit for charge C (Coulomb)
- Symbol for energy E
- Specific latent heat of change from ice to water 340000J/kg
- Unit for energy J (Joules)
- Symbol for frequency f
- Specific latent heat of change from water to steam 2260000J/kg
- Unit for frequency Hz (Hertz)
- Symbol for gravitational field strength g
- Mains electricity in homes 230V
- Unit for gravitational field strength N/kg (Newton per kilogram)
- Symbol for moment M
- Mains frequency in homes 50Hz
- Unit for moment Nm (Newton metres)
- Symbol for momentum p
- Voltage that homes and offices receive from the national grid 230V
- Unit for momentum kgm/s (kilogram metres per second)
- Symbol for voltage V
- Voltage that hospitals and schools receive from the national grid 11000V
- Unit for voltage V (Volts)
- Symbol for power P
- Voltage that large factories receive from the national grid 33000V
- Unit for power W (Watt)
- Symbol for pressure P
- The speed of sound in air is 330m/s
- Unit for pressure Pa or N/m2 (Pascals or Newtons per metres squared)
- Unit for radioactivity Bq (Becquerel)
- Symbol for resistance R
- The speed of sound in water is 1500m/s
- Unit for resistance Ω (Ohms)
- Symbol for volume V
- The speed of sound in steel is 5000m/s
- Unit for volume m3 (metres cubed)
- Symbol for distance d or x or s
- The range of human hearing is 20Hz - 20000Hz
- Unit for distance m (metres)
- Symbol for speed s
- All electromagnetic waves travel at the same speed in a vacuum 3.0 x 108m/s
- Unit for speed m/s (metres per second)
- Symbol for weight W
- Critical angle in glass 42°
- Unit for weight N (Newtons)
- Symbol for gravitational potential energy GPE
- Ideal conditions in the Haber process 200atm pressure, 450°C, iron catalyst
- Unit for gravitational potential energy J (Joules)
- Symbol for kinetic energy KE
- Unit for kinetic energy J (Joules)
- Symbol for wavelength λ
- Unit for wavelength m (metres)
- Symbol for work done W or E
- Unit for work done J (Joules)
- Symbol for energy transferred E
- Unit for energy transferred J (Joules)
- Symbol for spring constant k
- Unit for spring constant N/m (Newtons per metre)
- Symbol for potential difference pd
- Unit for potential difference V (Volts)
- Symbol for magnetic flux density B
- Unit for magnetic flux density T or N/Am (Tesla or Newtons per Amp metre)
