1. Metric Conversions

2. History Created by the French in 18th century Decimal based system
Uses prefixes to designate the size of the unit
Used by 99% of the world
Every country except USA, Liberia, and Myanmar
So needed for international trade
Used in scientific community from the beginning

3. Quantity
SI Unit
Symbol
English Unit
Length
Meter m
Yard, inch, mile
Volume
Liter L Oz
Mass
Kilogram kg
Ounce, pound
Time
Second s
Temperature
Kelvin K
Fahrenheit
Amount of substance
mole
mol

4. Metric Prefixes

5. Use dimensional analysis for conversions
3.28km = ______ m
L = _______mL
95.01g = ________cg

6. 5.4dag= ______mg
6273mm= ________Hm
0.35dL= ______mL

7. Temperature Kelvin is the scale used in Chemistry
It is the scale that shows the theoretical point of absolute zero
Symbol is K
It is said Kelivins not degrees Kelvin
Conversion
K = °C + 273
Example:
45°C=______K
319K = _____⁰C