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The Metric System A Common Language. The Metric System  Developed by the French in the late 1700’s.  Based on powers of ten for easier conversion. 

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Presentation on theme: "The Metric System A Common Language. The Metric System  Developed by the French in the late 1700’s.  Based on powers of ten for easier conversion. "— Presentation transcript:

1 The Metric System A Common Language

2 The Metric System  Developed by the French in the late 1700’s.  Based on powers of ten for easier conversion.  Used universally by scientists and referred to as the International System.

3 International System (SI)  A complete, coherent decimal system of units used for scientific work, in which the fundamental quantities are length, time, electric current, temperature, luminous intensity, amount of substance, and mass.  SI stands for the Systeme Internationale d’Unites (French for International System of Units)  Today the United States is the only country in the world not totally committed to the Systeme International d'Unites.

4 Metric Prefixes  Regardless of unit, the entire metric system uses the same prefixes.  Prefixes include: Kilo = 1000 Hecto = 100 Deka = 10 Deci = 0.1 Centi = 0.01 Milli = 0.001

5 Length  Length is the distance between two points.  The SI base unit for length is the meter  A meter is a little more than a yard

6 Mass  Mass is the amount of matter that makes up an object.  The SI base unit for mass is the gram.  A gram has about the same mass as paper clip.

7 Volume  Volume is the amount of space contained in an object.  The SI base unit for volume is the liter or the cubic centimeter.  1 cm 3 = 1 mL

8 Temperature  Temperature is the degree of hotness or coldness of a body or environment (corresponding to its molecular activity).  The base SI unit for temperature is Kelvin.  For our purposes, we will use Celsius.


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