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Published byLawrence Stephens Modified over 9 years ago
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Metric System Unit 2
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History Inch-pound measuring system was adopted early in this country for two principal reasons 1.Most of our trade was with England where the inch-pound system was in use. 2.While the metric system was more uniform in its application to weights and measures, it was not firmly established in any nation including France where it had its beginning Today the International (SI)Metric System is in use in most nations of the world and the US is moving toward the metric system
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Length International System of Units (SI)Metric Foot (base) ▫Smaller Inches Fractions ▫Larger than a foot Yard Mile Meter ▫Smaller than a meter Millimeter Centimeter Decimeter ▫Larger than a meter Decameter Hectometer Kilometer
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Standard English Distance 5280 ft = 1 mile 3 ft. = 1 yd 12 in = 1 ft Volume/liquid 1 gal = 4 qt 1 qt = 2 pts 1 pt = 16 oz Mass 1 lb = 16 oz
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Prefixes of Metric Units PrefixExample Milli = 1 / 1000 (thousandths) Centi = 1/100 (hundredths) Deci = 1/10 (tenths) Meter (base) Deca = tens Hecto = hundreds Kilo = thousands 1 millimeter = 1 / 1000 meter 3 centigrams = 3 / 100 gram 6 deciliter = 6 / 10 liter 7 meters = 7 meters 2 decameters = 20 meters 4 hectograms = 400 grams 7 kilometers = 7000 meters
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Deca HectoKilo decicentimilli Base Gram (mass /weght)Meter (length) liter (volume/liquids)
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Kilometer (km) = ______ meters Hectometer (hm) = _______meters Decameter (dam) = _______ meters Meter = 1 meter Decimeter (dm) = _____meter ▫_____dm = 1 meter Centimeter (cm) = _______ meter ▫______ cm = 1 meter Millimeter (mm) = _______ meter ▫______ mm = 1 meter 1000 100 10 1000 100 10 1/10 1/100 1/1000
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Meter Length Slightly longer than a yard
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Gram Mass (weight) Kilogram is slightly more than 2 pounds
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Liter Volume ▫Cubic meters (m 3 ) Dirt, sand and gravel ▫Liter Liquids Approximately the size of a quart
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Complete exercise 2-1
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Industry PACCAR American Eurocopter Stark Aerospace Nissan Toyota Severstal 1.Where is industry mail headquarters located? 2.Where are they located in MS? (address) 3.Do they have plants in other countries? If so list them 4.What do they produce? 5.List five careers for each industry. What will a person do in that career? 6.How do you apply for these jobs?
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