Systems Of Measurement Flashcards
Systems of measurement is
Done by the power of 10
Thus if you want to go higher
move the decimal to the left or Divide by 10
And if you want to go lower
Move the decimal to the right or Multiply by 10
Traditional systems mainly used in the US are
Inch
Foot
Yard
Miles
An inch is
the size of your thumb
The foot is equivalent to
12 inches, or the size of an average shoe
The yard is equivalent to
3 feet, usually used in American Football which is 100 yards long
Mile is equivalent to
1760 yards, usually used in travelling
SI units have 4 units for distance
millimeter
centimeter
meter
kilometer
millimetre is approximately
width of a small black ant, 1/10 of a centimetre
centimetre is approximately
the width of your pinky finger; makes up 10 mm
a centimeter is ________ than an inch
smaller
meter is a little ________ than a yard
longer, 1/100 cm is equal to 1 meter
A kilometre is _____ than a mile
shorter
From smallest to biggest of both the metric system and traditional system
millimetre centimetre inch foot yard meter kilometre miles
Metric System Prefixes
Grand - GIGA - G - Billion Mighty - MEGA - Million King - KILO - K - Thousand Henry - HECTO - Hundred Died - DECA - Da - Tens By - BASE UNIT ( litres, grams, meter) Drinking - DECI - D Chocolate - CENTI - C Milk - MILI - M Until - MICRO - U Nine - NANO - N
Base units of SI
Times- seconds Temperature- Kelvin Mass- Kilograms Length - meter Volume- litre
Positive power in scientific notation means
Higher number
Negative power in scientific notation means
Lower number
Moving to the right means
having a negative power
Moving to the left means
having a positive power
What are the three systems of measurement?
Metric System/ International System
Apothecary
Avoirdupois
What system is used for bulk medication merchandise? Is usually for weight and used in the Western Countries
Avoirdupois
What is the original system of measurement for medication?
Apothecary
Apothecary has 2 basic units
Grains= g (weight) minim= m (volume)
For apothecary numbers below 50 should be in
small roman numerals
For apothecary system, _____
Symbols are written first then the roman numerals
For the avoirdupois system, the triangle is
1 gallon
4 quartz
8 pints
160 oz
For the avoirdupois system, basic units are
1 dram= 27.344 gr
1 ounce= 16 drams
1 pound= 16 Oz
teaspoon to mL conversion
multiply by 2.53
mL to teaspoon
divide by 4.53