Mathmatics Homework
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The Kilo
Kilo: The meaning of Kilo actually means units of 1000, in this case 1000 meters which translates, or is = to, 1 kilometer. Kilo, if put before the form of measurement, means 1000 units of. Often when we buy food or fruit from the supermarket, it will be weighed for us and we will pay for it by it's weight. If we by 1 kilogram of apples, this translates to 1000 grams, or, 1kilogram. So whether using meters, grams or any other form of measurements, the word kilo stands for 1000 units.
The metre, It's definition and how it was invented
The metre is a measure of length. It is the basic unit of length in the metric system, and in the International System of Units, which abbreviated is (SI). There are seven different entries in the SI, the metre has the top position on the list, as the metric system actually got it's name from the metre.
The metre was defined by the French Academy of Sciences as, (this is where it gets technical), 1/10,000,000 of the distance from the North Pole to the Equator - (the imaginary circle around the centre of the earth), passing through Paris. Now it is defined by the International Bureau of Weights and Measures, as the distance travelled by light in absolute vacuum in 1/299,792,458 of a second,. The symbol for metre is m. We however, mostly know the metre as being 100cm. This definition has been recognised since 1983.
Please note that I have done the best that I can to put this into my own words, although it is quite difficult because of the technical part of the definition. This is about as simple as I can make it without taking out important information.
Bibliography
http://physics.nist.gov/cuu/Units/units.html
