1. Look along on your Conversion Factor sheet

2. Metric System Review

3. Metric Prefix Metric Prefix – symbol that goes in front of a base unit that indicates a portion of that unit For example: kilo + meter = kilometer = 1,000 meters 1 km = 1,000 m Common Base Units: meters (m), grams ( g ), Liters (L), seconds (s)

4. 1 Megameter = 1Mm Mega = M 1 M____ = 1,000,000 _____ = 10 6 ____ m m m g g g L L L

5. 1 kilometer = 1km kilo = k 1 k____ = 1,000 _____ = 10 3 ____ 2.5 laps = 1 kilometer L L L m m m g g g

6. 1 centimeter = 1cm centi = c 1____ = 100 c _____ = 10 2 c____ The width of your thumb = 1 cm L L L m m m g g g

7. 1 millimeter = 1 mm milli = m 1____ = 1000 m _____ = 10 3 m____ The width of a quarter = 1 mm L L L m m m g g g

8. 1 micrometer = 1 μm micro = μ 1____ = 1,000,000 μ _____ = 10 6 μ____ The width of a hair = 1 μm L L L m m m g g g

9. Quick Check How many centimeters (cm) are in 1 meter(m)? 1) 100 cm in 1 m 2) 1,000 cm in 1 m 3) 100 m in 1 cm

10. Quick Check How many milligrams (mg) are in 1 gram (g)? 1) 100 mg in 1 g 2) 1,000 mg in 1 g 3) 1000 g in 1 mg

11. Quick Check What is the relationship between kiloliters (kL) and liters (L)? 1) 1000 L = 1 kL 2) 1 L = 1000 kL 3) 100 L = 1 kL 4) 1,000,000 L = 1 kL

12. Quick Check How many nanoseconds (ns) are in 1 second (s)? 1) 10 9 ns in 1 s 2) 10 -9 ns in 1 s 3) 10 9 s in 1 ns

13. Quick Check What is the relationship between MegaJoules(MJ) and Joules (J)? 1) 1000 J = 1 MJ 2) 1 J = 1000 MJ 3) 100 J = 1 MJ 4) 1,000,000 J = 1 MJ