Water : Qualities Of Good Water That Is Suitable For Human Use

Subject : 

Basic Science and Technology

Term :

First   Term / 1st Term

Week:

Week 8

Class :

Basic 3 / Year 3 / Primary 3

 

Previous lesson : 

The pupils have been taught The effects of wind in their  previous lesson 

 

Topic

Water : Qualities Of Good Water That Is Suitable For Human Use 

 

Behavioural objectives :

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

• Explain the meaning of water
• List the different uses of water
• Mention the qualities of water

Instructional Materials :

• Wall charts
• Pictures
• Related Online Video
• Flash Cards
• Water inside water bottle
• Water inside cup

Methods of Teaching :

• Class Discussion
• Group Discussion
• Asking Questions
• Explanation
• Role Modelling
• Role Delegation

 

Reference Materials :

• Scheme of Work
• Online Information
• Textbooks
• Workbooks
• 9 Year Basic Education Curriculum
• Workbooks

 

Content :

What is water ?

Water is liquid. It flows. It is made up of two elements which are oxygen and hydrogen. The human body contains water. The earth contains water.

 

Sources of Water 

• Table of Contents

  Toggle

  river,

• rain,

• lakes,

• tap

• Borehole

• seas,

• streams,

• spring

• ocean.

• well,

• Dam

• water tanks

• ponds

Qualities of Good Water That Is Suitable For Man’s 

These are the qualities of good water that is suitable for man’s use

 

• Good water must be colourless 

• Good water must be tasteless 

• Good water must be odorless 

• Good water must germ free 

• Good water must be free form solid or semi soluble impurities 

• Good water must not be hard

 

Methods of Water Purification

We can make dirty water clean by making use of some or all of the following methods of water purification.

• By boiling

• By filtering

• By adding alum

• By adding chlorine

• By distillation

What are the consequences or effects of drinking or making use of unclean water 

• Vomiting or diarrhea

• Skin rashes

• Water-borne diseases such typhoid,

• cholera and jaundice

• Dehydration

• Death

Presentation

 

The topic is presented step by step

 

Step 1:

The class teacher revises the previous topics

 

Step 2.

He introduces the new topic

 

Step 3:

The class teacher allows the pupils to give their own examples and he corrects them when the needs arise

 

 

Conclusion

The class teacher wraps up or conclude the lesson by giving out short note to summarize the topic that he or she has just taught.

The class teacher also goes round to make sure that the notes are well copied or well written by the pupils.

He or she does the necessary corrections when and where  the needs arise.

 

Evaluation

• What is water

• Mention two sources of water

• Mention three qualities of good water

• Mention four methods of water purification

 

 

 

 

Assignment

Prepare for the next lesson by reading about uses of water.