1. International System of Measurement

2. SI Units: Length Volume Mass Temperature Time Pressure Energy
Amount of a Substance
Luminous Intensity
Electric Current
Meters (m)
Liters (L)
Kilograms (kg)
Kelvin (K)
Seconds (s)
Pascals (Pa)
Joules (J)
Moles (mol)
Candela (cd)
Ampere (A)

3. SI Prefixes Prefix Symbol Factor Quantity* Giga G 109 1000000000
Mega M
Kilo k
Hecto h
Deca da **
Deci d
Centi c
Milli m
Micro µ
Nano n
*Quantity in relation to the base unit
** Base unit inserted here

4. Interpreting Units Gigameter
Meter is a unit of length
Giga is a prefix representing a factor of 109
1 Gigameter = meters = 1.0 x 109

5. Metric Conversions USE DIMENSIONAL ANALYSIS!!
Convert 1000 meters to kilometers:
1 kilometer x (or 1.0 x 103)meters
1 x 103 meters
= 1 kilometer

6. Practice Convert 10 milligrams to decagrams
10 milligrams x gram x 1 decagram
1000 milligrams grams
= (10/1000)/10 = decagrams

7. Independent Practice
Complete metric conversion problems in your note packet.

8. SI Prefixes Acronym Contest
For Homework…
Memorize the SI units
SI Prefixes Acronym Contest