1. WARM UP Do ACT Prep #2 – Pressure and Volume Begin when the bell rings. 5 minute time limit.

2. Metric Prefix Conversions

3. The Metric Steps Kilo- BASE UNIT Deci- Centi- Milli- Micro- Nano-

4. Prefix Values PrefixConversion Nano-1000 n__ = 1 µ__ Micro-1000 µ__ = 1 m__ Milli-1000 m__ = 1 ____ Centi-100 c__ = 1 ____ Deci-10 d__ = 1 ____ BASE UNIT (g, L, m, etc.) Kilo-1 k__ = 1000 ___

5. Converting Between Prefixes Factor-Label Method – Use prefixes as conversion factors 3.75 meters x 1 kilometer 1 1000 meters – Convert prefixes in steps To convert km into nm – km to m, m to mm, mm to µm, µm to nm

6. WRAP UP Which is larger: 211 mm or 41.4 cm? Convert… – 3.2 ng into g – 275 km into cm