Water : Uses of Water

Subject : 

Basic Science and Technology

Term :

First   Term / 1st Term

Week:

Week 9

Class :

Basic 3 / Year 3 / Primary 3

 

Previous lesson : 

The pupils have been taught the qualities of water  in their  previous lesson 

 

Topic

Water : Uses of Water 

 

Behavioural objectives :

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

  • Explain the domestic use  of water
  • List the industrial uses of water
  • Say if package or pure water is safe for drinking .

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.

 

Domestic Use Of Water  

  •  It is used drinking,
  • Water is used in the preparing food that we eat
  • We make use of water when we are  bathing,
  • Water is used for washing clothes and dishes,
  • Water is needed early in the morning when we are brushing our teeth,
  • Water is used for washing our uniforms and other clothes
  • We use water to  water our plants and flowers in our gardens .
  • Water is used to wash our parents cars or our school bus

 

 

 

Industrial Use Of Water

  • Water is used as means of transportation for ships and ocean liners 
  • Water is used to generate electricity 
  • Water is used for irrigation in order to water large plant plantation 
  • Water is a product of trade of trade in some businesses like pure water business
  • Water is needed in the production of products like body creams or lubricants 
  • Water is needed to produce produce soft drinks by companies that are producing soft drinks

  • Water is used to produce beverages

 

Pure Water or Package Water 

This term is used to refer to water that has been treated , processed and package for sales and for domestic uses eg for drinking . There are different types of purifying water but the best method is distillation . Other methods of water purification are

  • By boiling

  • By filtering

  • By adding alum

  • By adding chlorine

  • By distillation

What are the factors to be considered before buying pure water for drinking 

  • Does the water package have NAFDAC number

  • Is the manufacturer of the pure water a reputable name in pure water business

  • Is the water colourless, odourless and tasteless

But can water be really pure ?

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 four domestic use of water

  • Mention four industrial use of water

  • Mention four factors to be considered when buying pure water

  • Can water be really pure ? Explain .

 

 

 

 

Assignment

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

 

 

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