The Metric System The Metric System

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Presentation transcript:

The Metric System The Metric System “We are making miles and miles of progress toward the metric system” Gerald Ford

METRIC MONEY That is, money based on the decimal system

BUT we insist on keeping the archaic inch-pound measurement system based on...

fractions of an inch. 12 inches to a foot…. 3 feet to a yard…. 5 fractions of an inch... 12 inches to a foot…. 3 feet to a yard…. 5.5 yards to a rod... 320 rods to a mile... 43,560 sq ft to an acre...

16 ounces to a pound... 12 ounces to a pound... (troy) 4 quarts to a gallon... 3 teaspoons to a tablespoon…

While the U.S. continues using inch-pound measures, almost all the other countries has adopted the METRIC SYSTEM Exceptions: Liberia and Myanmar

Now the metric system is all around us:

We buy cola in liters. We by film in millimeters. We run 10 km races We buy cola in liters... We by film in millimeters... We run 10 km races... (in fact, all U.S. track and field events are in metric units) We swim in 25 meter pools... We watch metric Olympics...

The entire U. S. automobile industry is metric The entire U.S. automobile industry is metric... All pharmaceuticals are metric... as is the entire health care industry

Also metric: The liquor industry Most farm machinery and heavy equipment The machine tool industry Most electronics All medicine and science

SI Base Units of Measurement The Metric System SI Base Units of Measurement The Metric System Mass the gram; g 1 gram ≈ 1/28 ounce Length the meter; m 1 meter ≈ 1.094 yard Volume the liter; l defined as 1000 cubic centimeters 1 liter ≈ 1.057 quart Rick Hershberger • 9 November 2018

Metric Prefixes giga-, G mega-, M kilo-, k centi-, c milli-, m The Metric System Metric Prefixes The Metric System giga-, G x10+9, or billions mega-, M x10+6, or millions kilo-, k x10+3, or thousands centi-, c x10-2, or hundredths milli-, m x10-3, or thousandths micro-, µ x10-6, or millionths nano-, n x10-9, or billionths pico-, p x10-12, or trillionths Rick Hershberger • 9 November 2018

In science classes, be fully metric. The Metric System Rick Hershberger • 11/9/2018