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Introducing…..Introducing…..
The Metric SystemThe Metric System
The metric system is The metric system is also known as SI: also known as SI:
The International The International System System
of of UnitsUnits
The metric system is a The metric system is a system of measurement.system of measurement.
Why do scientists Why do scientists use the metric use the metric
system?system?
1.1. It is based on the It is based on the number number 10.10.
2.2. It is easy to share and It is easy to share and compare results and compare results and
observations.observations.
3.3. It is based on the It is based on the decimal decimal system.system.
Commonly Used Metric Commonly Used Metric System Units, Symbols, System Units, Symbols,
and Toolsand Tools
Quantity Quantity UnitUnit SymbolSymbol ToolTool
LengthLength MeterMeter m m rulerruler
Volume/capacityVolume/capacity LiterLiter L L graduated graduated cylinder/beakercylinder/beaker
MassMass GramGram g g triple beam triple beam balancebalance
TemperatureTemperature KelvinKelvin K Kthermometerthermometer
CelsiusCelsius oo C C
TimeTime SecondSecond s s clockclock
PrefixPrefix AmountAmount SymbolSymbol ExampleExamplekilokilo 10001000 kk kilogram (kg)kilogram (kg)hectohecto 100100 hh hectoliter (hL)hectoliter (hL)decadeca 1010 dada decameter (dam)decameter (dam)
________ 11 ________ meter (m), gram (g), meter (m), gram (g), liter (L)liter (L)
decideci 0.10.1 dd decigram (dg)decigram (dg)centicenti 0.010.01 cc centimeter (cm)centimeter (cm)millimilli 0.0010.001 mm milliliter (mL)milliliter (mL)
ConversionConversion
Stepping Up Stepping Up
and and
Stepping DownStepping Down
Stepping Up(multiply by 10)
Stepping Down(divide by 10)
kilo
hecto
deca GramLiterMeter
deci
centi
milli
Let’s Practice!Let’s Practice!
The mass of a car is about The mass of a car is about
A. A. 1,540 mg1,540 mg
B.B. 1500 g1500 g
C.C. 1,500 kg1,500 kg
D.D. 100 kg100 kg
C.C. 1,500 kg1,500 kg
A drinking glass holds about A drinking glass holds about liquid. liquid.
A. A. 8 L8 L
B.B. 200 mL200 mL
C.C. 750 mL750 mL
D.D. 2 L2 L
C.C. 750 mL750 mL
A bucket can hold about A bucket can hold about liquid. liquid.
A. A. 1 L1 L
B.B. 8 L8 L
C.C. 500 mL500 mL
D.D. 30 mL30 mL
B.B.8 L8 L
To measure the capacity of a To measure the capacity of a carton of milk, use:carton of milk, use:
A. A. gramsgrams
B.B. kiloliterskiloliters
C.C. kilogramskilograms
D.D. litersliters
D.D.litersliters
To measure the mass of a To measure the mass of a dictionary, use:dictionary, use:
A. A. tonstons
B.B. kilogramskilograms
C.C. millilitersmilliliters
D.D. litersliters
B.B. kilogramskilograms
To measure the capacity of a To measure the capacity of a pitcher of lemonade, use:pitcher of lemonade, use:
A. A. tonstons
B.B. kilogramskilograms
C.C. millilitersmilliliters
D.D. litersliters
D.D.litersliters
To measure the mass of a To measure the mass of a quarter, use:quarter, use:
A. A. millilitersmilliliters
B.B. kilogramskilograms
C.C. gramsgrams
D.D. litersliters
C.C. gramsgrams
To measure the length of a To measure the length of a candy bar, use:candy bar, use:
A. A. gramsgrams
B.B. metersmeters
C.C. centimeterscentimeters
D.D. inchesinches
C.C. CentimetersCentimeters
To measure the mass of a truck, To measure the mass of a truck, use:use:
A. A. kilogramskilograms
B.B. litersliters
C.C. kiloliterskiloliters
D.D. gramsgrams
A. A. kilogramskilograms
To measure the mass of a To measure the mass of a feather, use:feather, use:
A. A. millilitersmilliliters
B.B. milligramsmilligrams
C.C. kilogramskilograms
D.D. kiloliterskiloliters
B. B. milligramsmilligrams
To measure the mass of a sheet To measure the mass of a sheet of notebook paper, use:of notebook paper, use:
A. A. millilitersmilliliters
B.B. milligramsmilligrams
C.C. kilogramskilograms
D.D. kiloliterskiloliters
B.B. milligramsmilligrams
To measure the mass of a tuba, To measure the mass of a tuba, use:use:
A. A. litersliters
B.B. kiloliterskiloliters
C.C. gramsgrams
D.D. kilogramskilograms
D.D.kilogramskilograms
To measure the length of To measure the length of Highway 49, use:Highway 49, use:
A. A. gramsgrams
B.B. metersmeters
C.C. centimeterscentimeters
D.D. kilometerskilometers
D.D.kilometerskilometers
Next time we Next time we meet, we will do meet, we will do
metric conversion.metric conversion.
Yahoo!!!!Yahoo!!!!