Measuring with Metric Units Length (m) meter Volume

Measuring with Metric Units Length (m) meter Volume (L) Liter * 1 L = dm3 = (.1m)3 = .001 m3 Mass (g) gram

* Note the standard metric system is called MKS meters, kilograms, seconds 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) cc stands for cubic centimeters 1 gallon of milk has

about twice the volume of a 2-L bottle of soda. 1 gal = 3.79 L 1 kg = 2.205 lb A 215 lb. person would weigh 97.5 kg Metric Prefixes Prefix Symbol Multiplier Examples: 1 GB = 1,000,000,000 B

1 MJ = 1,000,000 J 1 kg = 1,000 g BASE UNIT: 1m 1L 1g 1 cm = 0.01 m 1 mL = 0.001 L 1 g = 0.000 001 g

(light wavelength) (atoms) (nuclei) 1 nm = 0.000 000 001 m Metric Conversions Converting between units is EASY! The Decimal Mover Trick k Example:

m L g d c 120 mg to g 0.120 g Write this down! m

k m L g d c Convert each of the following. 0.15 m 1. 15 cm = ______ 7380 g 2. 7.38 kg = ______ 0.607 L 3. 607 mL = ______

0.0945 kg 4. 94.5 g = ______ m Quick Quiz! 1. Which of the following is the base unit for mass? A. meter B. gram C. liter D. mole Quick Quiz.

2. How many mL in 0.20 L? A. 200 mL B. 0.200 mL C. 0.002 mL D. 2000 mL Quick Quiz. 1.34 x 100 g 3. How many cg are in 1.34 g ? A. 1.34 103 B. 13.4 C. 134

D. 1340 Convert 134 cg to Sci. Not. : 1.34 x 102 cg _____________