METHODS OF SEPARATING MIXTURES
METHOD
1. Magnetism
DESCRIPTION (HOW IT WORKS)
2. Filtration
EXAMPLE
Used to separate materials
made from iron, nickel or cobalt
Coffee filter to separate coffee
flavor from the beans
3. Centrifuging
Separating blood into serum and
plasma
4. Decanting
Separating oil and water from a
mixture
Heating sugar water to leave
sugar crystals behind
5.Evaporation
6.Chromatography
Separating sugar from a diabetic
patient’s urine
7. Distillation
Separating water from salty
water (sea water)
8.Crystallization
Making rocky candy or crystals
from salty water
9.Hand
Separation
10.
Sifting/Sieving
Separating parts of a salad
Using a sifter/sieve to separate
big parts from small parts
Homework:
Using the article “Essential Separation” on the back, create a 3-fold, z-type illustrated pamphlet
showing the step-by-step drawing of procedures used in separating different materials. Each page
of the pamphlet should include the following information:
Page 1: Title (Essential Separation), Date submitted, Name, Class
Page 2: How copper ore is separated from unwanted rocks (include heading, drawings/illustrations)
Page 3: How copper ore is carried to the surface during froth flotation ((include heading,
drawings/illustrations)
Page 4: How gold is separated from unwanted rocks (include heading, drawings/illustrations)
Page 5: How skim milk powder is separated from whole milk ((include heading,
drawings/illustrations)
Page 6: Three uses of chromatography in industry (include heading, drawings/illustrations)
Your pamphlet should be folded in the way illustrated below:
EACH PAGE OF YOUR PAMPHLET
SHOULD LOOK SOMETHING LIKE
THE ABOVE, EXCEPT PAGE 1.