1. Objective To perform metric conversions.

2. Chapter 1 Section 1: The Metric System (The International System Of Units or SI System)

3. What is SI? SI stands for Syteme internationale d’Unites Used by scientists since 1960 to set a consistent worldwide standard.

4. SI Base Units QuantitySI Base UnitSymbol Length (l)meterm Mass (m)kilogramkg Temperature (T)KelvinK Time (t)seconds Amount of Substance (n) molemol

5. SI Prefixes PrefixSymbolValue kilo (k)k1000 hecto (h)h100 deka (da)da10 deci (d)d0.1 centi (c)c0.01 milli (m)m0.001

10. Convert: 1.253 mL to liters7. 273 Gg to mg 2.1258 cm to m8. 7.2 L to nL 3.15 g to kg9. 56 cm to m 4.17.3 m to cm10. 870 mL to GL 5.2.56 m to km 11. 0.539 mm to km 6.5.13 m to mm12. 200 mm to cm Practice

11. Convert: 1.253 mL to liters7. 273 Gg to mg 2.1258 cm to m8. 7.2 L to nL 3.15 g to kg9. 56 cm to m 4.17.3 m to cm10. 870 mL to GL 5.2.56 m to km 11. 0.539 mm to km 6.5.13 m to mm12. 200 mm to cm 1.0.253 L7. 273,000,000,000,000 mg 2.12.58 m 8. 7,200,000,000 nL 3.0.015 kg9. 0.56 m 4.1730 cm10. 0.000000000870 GL 5.0.00256 km 11. 0.00000539 km 6.5130 mm12. 20 cm

12. Figure out which of the following measurements is largest: a.) 0.500 L b.) 5000 mL c.) 0.050 kL d.) 50.0 cL Hint: Convert each answer to the same unit!