2. International system of units Page 11 of INB

3. EQ: Why do scientist use the SI system?

4. SI The International System of Units (SI) is an internationally accepted system for measurement.International System of Units (SI) All SI units are derived from seven base units.

5. SI

6. Prefixes Prefix’s are added to the base unit name to indicate a fraction or multiple of the base unit.

7. PrefixMeaning Kilo1,000 KING Hecto 100 Henry Deka 10 Died BASEBY deci 1/10 or 0.1 drinking centi 1/100 or 0.01 chocolate milli 1/1000 or 0.001 milk

8. KHDBdcmKHDBdcm 1) 8mm = _____cm 2) 5.6 Kg = ______ g 3) 75 ml = _______ l 4) 50 cm = _______Hm 5) 5 l = ________dl

9. KHDBdcmKHDBdcm 6) 120 mg = ______dg 7) 6.3 cm = ______ mm 8) 480 cl = _______l 9) 65 Dg = ______dg 10) 1.02 x 10 8 ml = ___________Kl