Worksheet 3.3
Methods of separation
Activity
1
For each diagram below, use words from the box to:
a label the equipment
b write the method of separation under the diagram.
beaker
Bunsen burner
conical flask
crystal
crystallisation
decanting
delivery tube
evaporating dish
evaporation
filter funnel
filter paper
filtrate
filtration
sediment
sieve
sieving
test-tube
Heinemann eScience 1 VELS Edition
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Copyright © Pearson Education Australia (a division of Pearson Australia Group Pty Ltd)
2
Complete the table below using the list of examples in the following box.
• separating sediment from old wine
• separating sugar from sultanas
• separating iron filings from sand
Separation method
Sieving
Example from list above
• separating cream from milk
• separating gold from sand
Your own example
Decanting
Gravity separation
Magnetic separation
Centrifuging
3
Each of the following words stands for a process that can be used to separate mixtures into their original
components.
crystallisation
evaporation
decanting
dissolving and filtering
filtration
fractional distillation
distillation
From the list above, choose the most appropriate method if you were asked to separate:
a pure water from a sample of muddy water
____________________
b salt from sea water
____________________
c pure water from sea water
____________________
d both salt and water from sea water
____________________
e salt from a salt–sand mixture
____________________
f
sand from a salt–sand mixture
____________________
g water from an oil–water mixture
____________________
h water from a water–methylated spirits mixture
____________________
Heinemann eScience 1 VELS Edition
2
Copyright © Pearson Education Australia (a division of Pearson Australia Group Pty Ltd)