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Metric System

Metric System. In 1790’s, the French developed a new system of measurement. 1875, the Treaty of Meter signed Metric is based on decimals (10s) there are no factions and every unit can be multiplied or divided by 10. All scientists worldwide and all governments except for the US use metrics.

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Metric System

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  1. Metric System • In 1790’s, the French developed a new system of measurement. • 1875, the Treaty of Meter signed • Metric is based on decimals (10s) there are no factions and every unit can be multiplied or divided by 10. • All scientists worldwide and all governments except for the US use metrics.

  2. Units • Length • Meter - the meridian running through Paris from North Pole to Equator was divided into 10 million parts or meters. • Volume of liquid • Liter - 1 cubic decimeter. • Mass • Kilogram - weight of 1 liter of pure water which is approximately 1000 paper clips.

  3. Other Measurements • Temperature is measured in degree Celsius the difference between water freezing and boiling is divided into 100parts or degrees with freezing at 0o and boiling at 100o C • Time is measured in seconds, minutes, hours, days and years

  4. Prefixes • The prefixes most commonly used are: • Kilo (K) = 1000 • Hecto (H) = 100 • Deca (Da) = 10 • deci (d) = .1 or 1/10 • centi ( c) = .01 or 1/100 • milli (m) = .001 or 1/1000

  5. Using metrics • To measure the length of the room • meters (m) • To weigh a person • kilograms (kg) • To give medications • milliliters (ml)

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