History of Measurements Mathematics Department Corpus Christi School.
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Transcript of History of Measurements Mathematics Department Corpus Christi School.
![Page 1: History of Measurements Mathematics Department Corpus Christi School.](https://reader035.fdocuments.in/reader035/viewer/2022062320/56649d955503460f94a7daf0/html5/thumbnails/1.jpg)
History of Measuremen
tsMathematics Department
Corpus Christi School
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Copyright © 2012 Angelo Mark P. Walag
Are you familiar with these
infrastructures?
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- Latin word, “mensura” and Greek word “metron”
- Is the process of obtaining useful information about the size, weight, time, temperature and etc.
Measurement
Copyright © 2012 Angelo Mark P. Walag
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Length
Ancient Measurements
TimeDay – period between daylight and
darknessMonth – period from appearance of
the full moon
Copyright © 2012 Angelo Mark P. Walag
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- standardized the yard as the distance of his nose to the tip of his thumb
King Henry I of England1200 A.D.
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Copyright © 2012 Angelo Mark P. Walag
King Edward II 14th Century
- standardized the inch as the length of three grains of barley when laid end to end
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Copyright © 2012 Angelo Mark P. Walag
King Edward VII 16th Century
- standardized the pound as the weight of 7000 dried grains of wheat
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Copyright © 2012 Angelo Mark P. Walag
- Yard, foot, inch, pound and other measure were adopted as standard units of measure in England and its colonies
English System
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Copyright © 2012 Angelo Mark P. Walag
- The French Academy of Science formed a committee of scientists led by Joseph – Louis Lagrange (1736 – 1813)
- Developed the standard system of weights and measure
- Recommended the Metric System
Birth of Metric System
18th Century, France
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- Reform movement to change the customary or ancient measurement to
the modern metric system
Metrication
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Copyright © 2012 Angelo Mark P. Walag
- Designated the Metric System as the International System of Units (SI)
11th General Conference Weights
and Measures
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- Issued Presidential Decree 187 declaring the use of
metric system only as the standard measurement in the
Philippines- Ammended by the Batas Pambansa bilang 8 (Jan. 1,
1983)
Pres. Ferdinand Marcos
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Measured Quantity
Unit of Measure
1. Length Meter (m)
2. Mass Gram (g)
3. Time Second (s)
4. Electric Current Ampere (A)
5. Temperature Kelvin (K)
6. Amount of Substance
Mole (mol)
7. Luminous Substance
Candela (cd)
The International System of Units (SI)
Copyright © 2012 Angelo Mark P. Walag
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Copyright © 2012 Angelo Mark P. Walag
Instructions: Identify what is asked, write on your paper you corresponding answer.
Quiz
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Copyright © 2012 Angelo Mark P. Walag
1. A reform movement that shifts from the use of customary or ancient measurement towards
the modern metric system
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Copyright © 2012 Angelo Mark P. Walag
2. The SI unit of Temperature
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Copyright © 2012 Angelo Mark P. Walag
3. The process of obtaining quantitative
information about different physical
phenomena
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4. The birthplace of Metric System
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Copyright © 2012 Angelo Mark P. Walag
5. An English measure of length equivalent to
12inches
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Copyright © 2012 Angelo Mark P. Walag
6. A primitive unit of length equivalent to a spand of the forearm
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Copyright © 2012 Angelo Mark P. Walag
7. The standard unit of Length
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Copyright © 2012 Angelo Mark P. Walag
8. The president who ussed PD 187 ordering
the use of metric system in the
Philippines
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Copyright © 2012 Angelo Mark P. Walag
9. The metric standard of mass
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Copyright © 2012 Angelo Mark P. Walag
10. The French Academy of Scientist recommended this
system of measurement
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Copyright © 2012 Angelo Mark P. Walag
Research at least 10 Measuring
Instruments
ASSIGNMENT (1/4)