SCIENCE: an organized body of knowledge about the natural universe and the process by which that knowledge is acquired
and tested.
SCIENTIFIC METHOD: A valid theory of nature must be in agreement with experimental results.
STANDARD UNIT: a fixed and reproducible value for making measurements.
SYSTEM OF UNITS: A group of standard units and their combinations. (Two used today: metric system and British system)
METRIC SYSTEM: The most widely used system of units. Adopted by the government in 1862
BRITISH SYSTEM: A system of units that is slowly being phased out.
LENGTH: The measurement of space in any direction.
METER: The standard unit of length in the metric system.
MASS: The amount of matter and object has (grams)
KILOGRAM: The standard metric unit of mass.
TIME: The continuous forward flow of events (seconds).
SECOND: The standard unit of time. It is now defined in terms of the frequency of a certain transition in the cesium atom. (s)
MKS: Acronym for meter, kilogram, and second.
SI (INTERNATIONAL SYSTEM OF UNITS): A modernized version of the metric system that contains seven base units. (There are
7)
THE MOST COMMON METERIC PREFIXES: mega, kilo, centi, milli
