why do you think scientists use the metric system?

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Why do you think scientists use the metric system?

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Page 1: Why do you think scientists use the metric system?

Why do you think scientists use the metric system?

Page 2: 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

Page 3: Why do you think scientists use the metric system?

The Metric SystemAn 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)

What it is

The 4 base units we’ll use

Page 4: Why do you think scientists use the metric system?

The Metric SystemAn 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)

What it is

The 4 base units we’ll use

Page 5: Why do you think scientists use the metric system?

The Metric SystemAn 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)

What it is

The 4 base units we’ll use

Page 6: Why do you think scientists use the metric system?

The Metric SystemAn 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)

What it is

The 4 base units we’ll use

Page 7: Why do you think scientists use the metric system?

The Metric SystemWe 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 sizemega M 1,000,000kilo K 1,000hecto H 100deka dk 10“unit” - 1deci d 0.1centi c 0.01milli m 0.001micro μ 0.0001

prefixes

Page 8: Why do you think scientists use the metric system?

K H D u d c m

Page 9: Why do you think scientists use the metric system?

Metric Conversion practice1.  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