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Lesson 3.1 SI/Metric
Term | Definition |
---|---|
English system of measurement | system of measurement in common use in the United States for nonscientific measurements; sometimes called U.S. customary system |
Metric system | decimal system of measurement based on certain physical standards and scaled on multiples of 10 |
The International System of Units | the system of units (SI) used by scientists to measure the properties of matter, based on the metric system |
Meter | SI base unit for length |
Kilogram | SI unit for mass |
Kelvin | The SI base unit of temperature |
Second | SI base unit for time |
Mole | the SI base unit used to measure the amount of a substance |
Ampere | SI base unit for electric current |
Candela | SI unit for luminous intensity |
Metric Prefixes | Symbols that come before an SI Unit of measurement to indicate a base 10 multiple |
kilo | 1000 |
centi | 1/100 |
milli | 1/1000 |
micro | 1/1,000,000 |