1. Metric System

2. What is Measurement? Uses numbers to describe objects and events.
Metrology-is the study of measurement
Why do we need a standardized method of measurement?

3. Common System of Measurement
Metric System
Base 10 system created by Gabriel Mouton in 1670.
1790 France pushed for common measurement
Most Countries in the World use only this system
Customary System
Primarily used by the US.
Inches, ounces, miles, etc.

4. SI units International system of units
SI-comes from French Systeme International d’unites.
Seven Basic Units.
Meter
Second
Kelvin
Kilogram
Mole
Ampere
Candela

5. # of Base unit to make the other prefixes
Abbreviation
# of Base unit to make the other prefixes
Example
Kilo k
1,000
Kilometer – km
Hecto h
100
Hectometer – hm
Deka da 10
Dekameter – dam
Base Unit – meter, gram, liter, second b
m, g, l, s 1
Meter – m; Gram – g; Liter – l; Second – s
Deci d
0.1
Decimeter – dm
Centi c
0.01
Centimeter – cm
Milli m
0.001
Millimeter – mm

6. Metric Ladder

7. Length The basic unit for length is the meter
Use rulers and meter sticks to measure length
1 meter = 3.28 feet

8. Mass The basic unit for mass is the Kilogram
Use a balance or scale to find mass

9. Temperature The basic unit for temperature is either Celsius or Kelvin
Use a thermometer

10. Volume The basic unit for volume is Liter
Use graduated cylinders to measure liquid volume
Length x width x height is also used to find volume

11. Time
The basic unit of time is seconds

12. Converting Metric to Metric
If you are going from a smaller unit to a larger unit, you divide, or move your decimal point to the left.

13. Converting Metric to Metric
If you are going from a larger unit to a smaller unit, you multiply, or move your decimal point to the right.