1. 3.2 International System of Units (SI)
Units unite!

2. SI Base Units Length = Meter (m) Mass = Kilogram (kg)
Temperature = Kelvin (K)
Time = Second (s)
Amount = Mole (mol)
Volume = Liter (L)

3. Volume
Measured using graduated cylinders, pipets, burets, volumetric flasks, and syringes
BASE = LITERS (L)

4. Temperature Travels from hot to cold K = ˚C+273 ˚C = K-273
Absolute Zero

5. Energy Units - Joule (J), calorie (cal)
“calorie” is the quantity of heat that raises the temperature of 1 g of pure water by 1˚C.
1 J = cal
1 cal = J

6. Acronym! King (kilo-) Henry (hecto-) Does (deka-) Usually (UNIT)
Drink (deci-)
Chocolate (centi-)
Milk (milli-)

7. Convert Using Prefixes
PREFIX SYMBOL
Kilo k
Hecto h
Deka da
BASE (meter, liter, gram, etc.) m, L, g
Deci d
Centi c
Milli m

8. Story and Practice…