What measurements are part of the English measurement system? LENGTH WEIGHT VOLUME Inch Foot Yard Mile Cup Quart Gallon Cubic Foot Cubic Yard Ounce Pound Ton

English Conversions You Must Know 1 mile = 5280 feet 1 foot = 12 inches 1 pound = 16 ounces 1 minute = 60 seconds 1 hour = 60 minutes 1 week = 7 days 1 yard = 3 feet

What is the Metric System? A system of measurement based on multiples of ten. Developed and first used by scientists in the 1700’s Used by most nations other than the US Metric 4 US - Metric is the better system for America! What is the SI Measurement System? Improved version of the metric system developed in mid 1900’s Why do scientists use the SI (metric) system? Ease of using powers of 10 Common communication between scientists

What is a Standard? An exact quantity that people agree to use for comparisons. Metric units for which there is a standard are called fundamental units or basic units. These are meter (m) - length kilogram (kg) - mass second (s) - time kelvin (K)– temperature ampere (A)– electric current mole (mol)– amount of matter in a substance candela (cd)- intensity of light

What are some common metric units? Newton (N) WEIGHT LENGTH VOLUME Meter (m) Centimeter (cm) Kilometer (km) Millimeter (mm) Liter (l) Milliliter (ml) Centimeter cubed (cm³) Meter cubed (m³) MASS Gram Kilogram milligram DENSITY g/ml g/cm³ Kg/m³

How do English units relate to Metric units? 1 meter ~ 39 inches 1 kilometer ~ 6/10 of a mile 1 liter ~ a quart 1 kilogram ~ 2 pounds ~

Common Metric Prefixes Symbol Meaning Giga G 1 000 000 000 Mega M 1 000 000 Kilo- K 1 000 Hecto H 100 Deca Da 10 Deci d .1 or 1/10 Centi c .01 or 1/100 Milli m .001 or 1/1000 Micro µ .000001 or 1/1000000 Nano n .000000001

Derived Units A portion or multiple of a fundamental unit or a combination of fundamental units. Examples: millimeter, kilometer, and cm³ are derived units of meter gram and milligram are derived units of kilogram g/cm³ is a combination of units

Which of the following are derived units? Minutes Liters Kilogram m² Kelvin m/s

What SI (metric) unit would be used for the following? Mass of sugar cube - Volume of water in measuring cup - Length of your shoe - Volume of gallon of milk - Mass of yourself - Distance from here to office - Distance from here to Columbus -

What would the correct unit be when using the Metric System? 1. The distance between Opelika & Phenix City is about 50 _______. 2. A postage stamp has a mass of about 15 ____________. 3. An eye dropper full of medicine contains about 1 __________. 4. A full half gallon of milk is about 2 _____________. 5. The length of a pencil is about 12 _________________. 6. A paper clip has a mass of about 1 ___________

How do you convert from one metric unit to another? By multiplying or dividing by factors of 10. This can easily be done by moving the decimal to the right when multiplying and moving the decimal to the left when dividing. The mnemonic below is also very helpful. K H D B (meter) d c m (gram ) (liter)

How do you convert from one metric unit to another? K H D B (meter) d c m (gram ) (liter) 50 m = ___________cm 80 m = ______________km 780 mm = _______________m 780 mm = ___________km 456.3 cm = ___________ m

How do you convert from one metric unit to another? K H D B (meter) d c m (gram ) (liter) K H D B (meter) d c m 480 g = ___________mg 480 g = _____________kg 6 kg = ____________ g 6 kg = __________cg 450.60 g = ____________mg

How do you convert from one metric unit to another? K H D B (meter) d c m (gram ) (liter) K H D B (meter) d c m 3 L = ______________mL 34.6 mL = ____________cL 4 kL = _____________L

English to Metric Conversion Units 1 inch = 2.54 cm 1 mile = 1.61 km 1 pound = .45 kilogram 1 quart = .95 liters 1 ml = 1 cm³