Earth Science · B5 Science

Lesson notes

Learning Objectives

Indicator: B5.2.1.5.1 - Identify human activities that make water unsuitable for human use

By the end of the lesson, learners can:

State at least four qualities of good drinking water.
Explain at least two dangers of using unsafe or polluted water.
Identify at least five human activities that make water unsuitable for human use.
Categorise sources of water pollution into groups such as waste disposal, agriculture and mining.
Discuss and list ways of preventing, minimising and controlling water pollution in their community.

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Curriculum details

Strand: Cycles (Strand 2)
Sub-strand: Earth Science (2.1)
Content standard: B5.2.1.5 - Recognise water and air as important natural resources
Indicator: B5.2.1.5.1 - Identify human activities that make water unsuitable for human use
Suggested placement: Term 2, Week 1 (Week 13 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: Science Curriculum (Basic 4-6), 2019, p. 21
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

- Begin by discussing the qualities of good drinking water and dangers of using unsafe water.
- Learners, in groups, identify human activities that make water unsuitable for use,
e.g. toxic waste disposal, sewage disposal, deforestation, mining, littering, pesticides, herbicides and fertilizer application and agricultural practices.
- Learners brainstorm to come out with ways of preventing, minimizing and controlling water pollution.
Project: Task learners to work in groups to create concept maps on the causes, control and prevention of water pollution.