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The Metric System and Measurement

Exploring our universal system for communicating data.

Jonathan Karp

on 24 September 2012

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Transcript of The Metric System and Measurement

DO NOW - 8/30/12 1. Imagine that you have made a groundbreaking scientific discovery that will change the world forever. What have you discovered/created? 2. Now imagine that you need to communicate with scientists from other countries (to make the world a better place). How would you make sure all of your ideas and data get across? THE METRIC SYSTEM HOW THE WORLD COMMUNICATES THE RESULTS OF ITS EXPERIMENTS THE BIG FOUR (Base Units) Meter (m)
Liter (L)
Gram (g)
Second (s) PREFIXES Kilo (x1000) [k]
Hecto (x100) [h]
Deka (x10) [D]
Base Units (x1)
Deci (x0.1) [d]
Centi (x0.01) [c]
Milli (x0.001) [m] Exit Questions 1. How many meters are in a hectometer (hm)?
2. Which is larger, a meter or a dekameter?
3. Which is smaller, a second or a millisecond? measures distance and length [is a little more than 3 feet] measures volume - the amount of space something takes up. [for size, think in terms of soda bottles] measures mass - the amount of matter that things are made of. [1 gram = mass of 1 pen cap] [think "1 mississippi" for how long it lasts] measures time kilosecond (ks = 1000 seconds) PUTTING IT ALL TOGETHER... MNEMONIC DEVICE
[a memorization trick] Never
Waffles Now create a mnemonic device for the metric prefixes using the letters in red: Kilo (x1000) [k]
Hecto (x100) [h]
Deka (x10) [D]
Deci (x0.1) [d]
Centi (x0.01) [c]
Milli (x0.001) [m] hectometer centigram dekasecond deciliter kilometer millimeter how can we tell whether an "m" stands for meter or milli? m at the end = meter
m at the beginning = milli
m by itself = meter Mr. Karp asks you all to fill up his room, from wall to wall, floor to ceiling, with quarters.
1. How many quarters could fit in here?
2. How much money would that be?
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