Metric Measurements

1. Metric Measurements The SI system

2. The SI system • Known as the International System of Units • So……..why not IS? • Well, it turns out it REALLY is the abbreviation for Systéme International d’Unités • Those silly French people.

3. The SI system • So much easier since it is based on base 10. • Wrenches

4. The SI system • Common Prefixes • kilo k 1000 • hecto h 100 • deka da 10 • deci d 0.1(one tenth) • centi c 0.01(one hundredth) • milli m 0.001(one thousandth)

5. The SI system • Standard unit of measure for length is the meter (m) • 1 meter = 3.280 839 895 feet • The distance for the Earth to the Moon is 384,403 km or…..384,403,000m • The average male American men’s height is 177 cm, which is about 5 foot - 10 inches tall. • Women’s average height is 163 to164 cm

6. The SI system • Standard unit of measure for mass is the gram (g). • 1 gram = 0.035 273 962 ounce • The average 40-49 year old male has a mass of about 82.6kg or 182 pounds. Women - 67.7kg • 1 Sweet and Salty granola bar by Nature Valley has a mass of 35g or 1.2 ounces. • And 170 calories • and 9g of fat

7. The SI system • Standard unit of measure for volume is the liter (L). • 1 liter = 33.814 022 702 ounce [US, liquid] • One 12 ounce can of pop = 0.354 882 355 liter • or 354.882 354 75 milliliter.

8. The SI system • Standard unit of measure for temperature is the degree Celsius (C). • 1 degree Celsius = 33.8 degree Fahrenheit • 2 degree Celsius = 35.6 degree Fahrenheit • 3 degree Celsius = 37.4 degree Fahrenheit • But wait…...

9. The SI system • Converting F to Celsius • Co = 5/9(Fo - 32) • Converting C to F • Fo = (9/5 Co) + 32 • Average human body temperature is 37°C • or 98.6 F