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 • www.metricamerica.com • THE METRIC SYSTEM • INSTANT METRIC • METRIC AMERICA   Narrated MUSIC VIDEOS • METRIC SONGS    and MUSIC VIDEOS • METRIC MONKEY • AMETRICAN MAN Test Your Metric Learning Skills METRIC EXAM! Assignments • 7 BASE SI UNITS      Spoken SI... "ess i"    The International System Test Your Metric Learning Skills METRIC EXAM! Assignments • EVERYDAY METRIC UNITS • PREFIXES • SYMBOLS • Base Unit - meter  (m) • centimeter  (cm) • millimeter  (mm) • kilometer  (km) • Derived Unit - liter  (L) • milliliter  (mL) • Base Unit - kilogram  (kg) • gram  (g) • milligram  (mg) • tonne  (t) • Temperature • Evolution of Measures • Inch-Pound Non-System Share This with Others! • UNITED METRIC STATES INSTANT METRIC    CONVERSION Tables • VIDEO CLIP DID YOU KNOW? All Rights Reserved Performance Rights - SOCAN LCAMS - Fellow - USMA • Writer "SI" Documents - ANMC No unauthorized reproduction or download or upload of content permitted.    Terms for Use and Privacy*

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7 BASE "SI"  UNITS
The International System of Units (SI)
is the Metric Measurement Used in America
("SI" is simply spoken "ess eye")

For More of SI: Base and Derived Units visit
http://physics.nist.gov/cuu/Units.html

 There are other metric information sites with all sorts of calculators and gadgets. THIS IS JUST  A FREE, EASY TO NAVIGATE, METRIC LEARNING SITE FOR EVERYDAY PEOPLE WHO HAVE THE DESIRE TO LEARN BUT DON'T HAVE THE TIME. The International System of Units (SI) is a modernized version of the metric system established by international agreement that provides a logical and interconnected framework for all measurements in science, industry and commerce. This system is built on a foundation of seven base units and all other units are derived from them. According to the US Department of Commerce, National Bureau of Standards use of metric measurement was legalized in the United States in 1856 and our everyday customary BASE UNITS of measurement are defined in terms of the meter for length and kilogram for mass. All other units are derived from the base unit meter.
 On That Note: Here are the 7 BASE UNITS  for non-technical wizards. meter • second • kilogram • Kelvin ampere • candela • mole BASE UNIT - meter (m) - LENGTH.    Up until 1983 the meter was defined as 1,650,763.73 wavelengths in a vacuum of the orange-red line of the spectrum of krypton-86. And since then it is determined to be the distance traveled by light in a vacuum in 1/299,792,45 of a second. BASE UNIT - second (s) - TIME    The second is defined as the duration of 9,192,631,770 cycles of the radiation associated with a specified transition of the cesium-133 atom. BASE UNIT - kilogram (kg) - MASS    The standard for the kilogram is a cylinder of platinum-iridium alloy kept by the International Bureau of Weights and Measures in Paris.  A duplicate at the National Bureau of Standards serves as the mass standard for the United States. The kilogram is the only base unit defined by a physical object. BASE UNIT - Kelvin (K) and °Celsius (°C)  - TEMPERATURE    The Kelvin is defined as the fraction 1/273.16 of the thermodynamic temperature of the triple point of water; that is, the point at which water forms an interface of solid, liquid and vapor. This is defined as 0.01 °C on the Celsius scale and 32.02 °F on the Fahrenheit scale. The temperature zero K (Kelvin) is called "absolute zero". BASE UNIT - ampere (A) - ELECTRIC CURRENT    The ampere is defined as that current that, if maintained in each of two long parallel wires separated by one meter in free space, would produce a force between the two wires (due to their magnetic fields) of 2 x 10-7 N (Newton) for each meter of length. (a Newton is the unit of force that when applied to one kilogram mass would experience an acceleration of one meter per second, per second). BASE UNIT - candela (cd) - LUMINOUS INTENSITY    The candela is defined as the luminous intensity of 1/600,000 of a square meter of a cavity at the temperature of freezing platinum (2,042 K).                  COMPLETE TEMPERATURE DETAILS VISIT                 http://lamar.colostate.edu/~hillger/temps.htm BASE UNIT - mole - (mol) AMOUNT OF SUBSTANCE    The mole is the amount of substance of a system that contains as many elementary entities as there are atoms in 0.012 kilogram of carbon-12.
 SO THERE YOU HAVE IT!     TECHNICAL STUFF... BUT FOR MOST EVERYDAY EXPERIENCES IN AMERICA and AROUND THE WORLD USE  Base Units "meter" and "kilogram" and Derived Unit "liter"
 CLICK ON PICTURES FOR VIDEO LEARNING! • Share This With Others Share This With Others • UNDERSTAND EVERYDAY RELATIONSHIP BETWEEN Length Volume and Mass in terms of meter, liter and kilogram CLICK ON PICTURES BELOW FOR VIDEO CLIPS SMALLER METRIC MEASURES 1 cm³ (1 cubic centimeter) filled with water contains exactly 1 mL (1 milliliter) and is the mass  of exactly 1 g (1 gram) VIDEO CLIP "centimeters, milliliters, milligrams"
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