What measurements are part of the English measurement system? Inch Foot Yard Mile Ounce Pound Ton...

What measurements are part of the English measurement

system?

Inch

Foot

Yard

Mile

Ounce

Pound

Ton

Cup

Quart

Gallon

Cubic Foot

Cubic Yard

LENGTH WEIGHT VOLUME

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

What is the SI Measurement System?•Improved version of the metric system developed in mid 1900’s

Metric 4 US - Metric is the better system for America!

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?

LENGTHMeter (m)

Centimeter (cm)

Kilometer (km)

Millimeter (mm)

MASS

VOLUMENewton (N)

WEIGHT

Gram

Kilogram

milligram

Liter (l)

Milliliter (ml)

Centimeter cubed (cm³)

Meter cubed (m³)

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 PrefixesPrefix 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 -

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 ___________

What would the correct unit be when using the Metric System?

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

480 g = ___________mg

480 g = _____________kg

6 kg = ____________ g

6 kg = __________cg

450.60 g = ____________mg

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

3 L = ______________mL

34.6 mL = ____________cL

4 kL = _____________L

K H D B (meter) d c m (gram ) (liter)

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