Measuring with Metric Units Length (m) meter Volume (L) Liter Mass (g) gram

The volume of 20 drops of liquid from a medicine dropper is approximately 1 mL. A sugar cube has a volume of 1 cm3. 1 mL = 1 cm3 (1 cc)

1 gallon of milk has about twice the volume of a 2-L bottle of soda. 3.8 L per gallon (check the toilet label 3.8 L/1 gallon per flush)

A 250 lb. person would weigh 113 kg 1 kg = 2.2 lb A 250 lb. person would weigh 113 kg 2.2 lb per kg Which is more weight 1 lb or 1 kg?

The Decimal Mover Trick Metric Conversions Draw this! Converting between units is EASY! The Decimal Mover Trick k – – d c m m L g Example: 120 mg to g 120 0.12 g 5

k – – d c m Convert each of the following. 15 cm = ______ m 7.38 kg = ______ g 607 mL = ______ L 94.5 g = ______ kg 0.15 7380 0.607 0.0945 6

1. Which of the following is the base unit for mass? Quick Quiz! 1. Which of the following is the base unit for mass? meter gram liter mole

k – – d c m 2. How many mL in 0.2 L? A. 200 mL B. 0.200 mL C. 0.002 mL Quick Quiz. 2. How many mL in 0.2 L? A. 200 mL B. 0.200 mL C. 0.002 mL D. 2000 mL k – – d c m m L g 8

k – – d c m 1.34 x 100 m 1.34 x 102 cm 3. How many cm are in 1.34 m ? Quick Quiz. 1.34 x 100 m 3. How many cm are in 1.34 m ? 1.34  10–3 cm 13.4 cm 134 cm 1340 cm Convert 134 cm to Sci. Not. : _____________ 1.34 x 102 cm k – – d c m m L g 9