topic : measurement aim : how is the metric system used to make measurements?
DESCRIPTION
TOPIC : Measurement AIM : How is the metric system used to make measurements?. What is a unit?. A known amount of measurement Yard, mile, meter, pound, gram, liter. Systems of measurement. 1. METRIC SYSTEM Used by most of the world SI = Systems International. 2. ENGLISH SYSTEM - PowerPoint PPT PresentationTRANSCRIPT
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TOPIC: MeasurementAIM: How is the metric system used to make measurements?
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What is a unit?
• A known amount of measurement
• Yard, mile, meter, pound, gram, liter
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Systems ofmeasuremen
t
• 1. METRIC SYSTEM
• Used by most of the world
• SI = Systems International
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•2. ENGLISH SYSTEM •inch, foot, yard, pound
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SI Units
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1.LENGTH
•METER (m)
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•1 m = 100 centimeters (cm)
•1 cm = 1/100 m = 0.01m
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•1cm = 10 millimeters•1m = 1000 millimeters
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1 mm = width of a dime
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•1 kilometer (km) = 1000m
•1m = 1/1000 km =0.001m
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MASS
•Amount of matter an object has
•GRAM (g or gm)
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•1 kilogram (kg) = 1000gm
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Volume•Amount of space an object takes up
•LITER (L)
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•1000 milliliters (mL) = 1 L
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PREFIX •Comes before the unit
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•Kilo = x 1000•1 kilometer (km) = 1000m
•1 kilogram (kg) = 1000 gm
•1 kiloliter (kl) = 1000 L
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•Centi = 1/100 = 0.01
•1 cm = 0.01 m•1 cg = 0.01 gm
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•Milli = 1/1000 = 0.001
•1 mm = 0.001•1 mL = 1/1000 L
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CONVERSIONSEXAMPLES
1. 100 mm = ? cm
100 mm = 10cmMove 1 to the left
2. 34 km = ? mMove 3 to the right
34 km = 34,000 m
3. 257 cm = ? hm
Move 4 to the left
257 cm = 0.0257 hm
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KiloHectoDecaMeter (base)
DeciCentiMilli
KangaroosHopDownMountainsDrinkingChocolate Milk
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