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# Metric System

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The end of our short metric history unit, this was designed as an overview to the basic themes of why we use metric (or should). A stress on science and the democratic nature of science and ten-based …

The end of our short metric history unit, this was designed as an overview to the basic themes of why we use metric (or should). A stress on science and the democratic nature of science and ten-based measurements is my cornerstone. I like the stuff about the metric calendar best.

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### Transcript

• 1. Metric System
Connections and Why We Use It
• 2. Before Metric
Subjective, Variable and Confusing
• 3.
• 4. Volume
3 teaspoons = 1 tablespoon
3 tablespoons = a jigger
2 tablespoons is 1 fluid ounce
8 fluid ounces = 1 cup
2 cups = 1 pint
2 pints = 1 quart
4 quarts = 1 gallon
55 gallons = 1 barrel of oil
• 5. Length: Distance
METER
• 6. Volume: How Much Something Holds
LITER
• 7. Mass: Density/Weight Related
GRAM
• 8. Metric Basics to Remember
• 9. French Republic Adopts Metric: 1791
• 10. French Revolution Ideals
Liberty
Fraternity
Equality
The metric system was not based on kings or trade guilds, or used archaic and seemingly random conversion numbers, but on the Earth and a ten base.
• 11. How They Got the Meter
Distance from equator to pole.
Divide by 10,000
One meter
• 12. How Length Becomes Volume
0.1 meter
0.1 meter
0.1 meter
• 13. 1 Liter
0.1 meter
0.1 meter
0.1 meter
• 14. How Volume Becomes Mass
• 15. 1 Kilogram
• 16. Relationship
0.1 cubic meter =1 liter
1 liter = 1 kilogram of water
1 kilogram of water = 0.1 cubic meter
0.1 cubic meter….
• 17. 1 g = 1 cm2 = 1ml
• 18. Length
10 millimeters = 1 centimeter
10 centimeters = 1 decimeter
10 decimeters = 1 meter
10 meters = 1 decameter
10 decameters = 1 heptameter
10 heptameters = 1 kilometer
• 19. 1 Meter
1000 millimeters
100 centimeters
10 decimeters
1 meter
0.1 decameters
0.01 heptameters
0.001 kilometer
• 20. Words Having Meaning (in Latin)
Milli = one thousandth
Centi = one-hundreth
Deci = one-tenth
Meter = Measure
Deca = ten
Hepto = one hundred
Kilo = one thousand
• 21.
• 22. Metric Nuttiness
Taking a good thing too far….
• 23. Metric Time
The day, from midnight to midnight, is divided into ten parts, each part into ten others, so on until the smallest measurable portion of duration.
The hundredth part of the hour is called decimal minute; the hundredth part of the minute is called decimal second.
• 24. Metric Calendar
http://en.wikipedia.org/w/index.php?title=French_Republican_Calendar&oldid=304486375