Here is some science stuff for those who want to learn more about the subject. There are many branches of science, such as physiology, biology, chemistry, physics, and so forth. However, this page mainly focuses on things that are used in many different sciences, particularly chemistry and physics.
Here is a table of fundamental and derived units of measurement. It is very nice to have, especially for science geeks like myself. It comes from a book titled "Modern Physics" by Williams, et al., and is copyright 1972.
Physical Quantity | Quantity Symbol | Measurement Unit | Unit Symbol | Unit Dimensions |
Fundamental Units | ||||
length | l | meter | m | m |
mass | m | kilogram | kg | kg |
time | t | second | sec | sec |
electric charge | Q | coulomb | c | c |
temperature | T | degree Kelvin | °K | °K |
luminous intensity | I | candle | cd | cd |
Derived Units | ||||
acceleration | a | meter per second per second | m/sec2 | m/sec2 |
area | A | square meter | m2 | m2 |
capacitance | C | farad | f | c2 sec2/kg m2 |
density | D | kilogram per cubic meter | kg/m3 | kg/m3 |
electric current | I | ampere | a | c/sec |
electric field intensity | E | newton per coulomb | n/c | kg m/c sec2 |
electric resistance | R | ohm | Ω | kg m2/c2 sec |
emf | E | volt | v | kg m2/c sec2 |
energy | E | joule | j | kg m2/sec2 |
force | F | newton | n | kg m/sec2 |
frequency | f | hertz | hz | sec-1 |
heat | Q | joule | j | kg m2/sec2 |
illumination | E | lumen per square meter | lm/m2 | cd sr/m2 |
inductance | L | henry | h | kg m2/c2 |
luminous flux | Φ | lumen | lm | cd sr |
magnetic flux | Φ | weber | wb | kg m2/c sec |
magnetic flux density | B | weber per square meter | wb/m2 | kg/c sec |
potential difference | V | volt | v | kg m2/c sec2 |
power | P | watt | w | kg m2/sec3 |
pressure | p | newton per square meter | n/m2 | kg m/sec2 |
velocity | v | meter per second | m/sec | m/sec |
volume | V | cubic meter | m3 | m3 |
work | W | joule | j | kg m2/sec2 |
©2001 Chris Williams.
Last revision:
29 Mar 2001
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