Grade 8 Science: Separation Methods
This worksheet covers various separation methods used in chemistry, including filtration, distillation, chromatography, and magnetism, appropriate for Grade 8 science students.
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Grade 8 Science: Separation Methods
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Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. Which separation method would be best for separating iron filings from sand?
Filtration
Distillation
Magnetism
Evaporation
2. Which separation method relies on differences in boiling points?
Chromatography
Decantation
Distillation
Sieving
3. The process of separating an insoluble solid from a liquid using a filter paper is called .
4. When a liquid is heated to form a vapor and then cooled to form a liquid again, the process is known as .
5. A mixture of two immiscible liquids can be separated using a funnel.
6. Chromatography is used to separate components of a mixture based on their different solubilities in a solvent.
True
False
7. Decantation is an effective method for separating very fine suspended particles from a liquid.
True
False
8. Describe how you would separate a mixture of salt and water.
9. Explain the principle behind chromatography. Give an example of its use.
Match the separation method with its description.
10. Filtration
a. Separates liquids based on boiling points
11. Distillation
b. Separates insoluble solid from liquid
12. Magnetism
c. Separates magnetic substances from non-magnetic ones