Why do you think scientists use the metric system?

The Metric System An internationally agreed upon system, based on the number 10 Officially called the SI system, built on a foundation of 7 "base units". What it is

The Metric System What it is The 4 base units we’ll use An internationally agreed upon system, based on the number 10 Officially called the SI system, built on a foundation of 7 "base units". Mass - gram (g)

The Metric System What it is The 4 base units we’ll use An internationally agreed upon system, based on the number 10 Officially called the SI system, built on a foundation of 7 "base units". Mass - gram (g) Volume - Liter (L)

The Metric System What it is The 4 base units we’ll use An internationally agreed upon system, based on the number 10 Officially called the SI system, built on a foundation of 7 "base units". Mass - gram (g) Volume - Liter (L) Distance - meter (m)

The Metric System What it is The 4 base units we’ll use An internationally agreed upon system, based on the number 10 Officially called the SI system, built on a foundation of 7 "base units". Mass - gram (g) Volume - Liter (L) Distance - meter (m) Time - second (s)

The Metric System prefixes We attach prefixes – a group of letters – in front of each metric unit to tell us how much bigger or smaller we want it. prefix letter size mega M 1,000,000 kilo K 1,000 hecto H 100 deka dk 10 “unit” - 1 deci d 0.1 centi c 0.01 milli m 0.001 micro μ 0.0001

K H D u d c m

Metric Conversion practice 1.  1000 cl = _______ L 2.  120 mm = _______ cm 3.  1200 cl = _______ L 4.  2 cm = _______ mm 5.  11000 L = _______ kl 6.  10 cl = _______ml 7.  12000 m = _______ km 8.  8 g = _______ cg 9.  80 ml = _______ cl 10.  3 L = _______ cl 11.  2000 L = _______ kl 12.  5 cm = ______ mm 13.  900 cm = _______ m 14.  11 cg = _______ μg 15.  900 m = ____ km 16.  7000 ml = _______ L 17.  5 kg = _______ g 18.  60 mm = _____ cm 19.  1 kg = _______ g 20.  4000 ml = _______ L 21.  1 cl = _______ ml 22.  1100 L = _______h L 23.  10000000 g = _____ Mg 24.  20000 μl = _____ L 25.  7000 L = _______ kl 26.  70 ml = _______ cl 27.  5 g = _______ cg 28.  9 cl = _______ ml 29.  1 g = _______ cg 30.  8 kg = _______ g