Week: Seven

Class: Primary Three

Topic: Water Purification (Making water fit for drinking)

Objectives: At the end of the lesson, pupils should be able to:

1. Explain the meaning of the purification of water.

2. describe how the distillation process can purify water.

3. Explain the meaning and ways of filtration.

4. Explain boiling water as a method of purifying water.

5. name and explain how to keep the sources of water clean.

Reference material: Alum Disinfectant e.g. Izal, Dettol, TCP, Miltton solution, Muddy water, Container, Clean white cloth, Stove.

Content:

Distillation of Water: Distilled water is water that has been boiled into vapour and condensed back into liquid in a separate container. Impurities in the original water that do not boil below or near the boiling.... View More