Separation Techniques

Question 1

Filtration

Answer 1

• Separates solids and liquids like sand and water
• Pour mixture into funnel covered with filter paper

Question 2

Distillation

Answer 2

• Separates two liquids
• Boil the mixture at the lower boiling point of the two liquids.
• Collect vapor in a condenser (cold tube that turns vapor back into liquid)

Question 3

Evaporation

Answer 3

• Separates solids and liquids
• Boil liquid until every drop evaporates, and the solid remains.

Question 4

Sifting/sieving

Answer 4

• Separates large and small particles
• Small particles fall through and big particles remain

Question 5

Magnetism

Answer 5

• Separates metals from other substances
• Attract metal particles with a magnet

Question 6

Forceps

Answer 6

• Separates visible, grabbable particles from other particles
• Tweezers used to grab particles

Question 7

Decanting

Answer 7

• Separates sediment from liquid
• Pour gradually from one container to another