Environmental Quality – Meaning of Waste Disposal and Effects of Improper Waste Disposal (Primary 5)

Last Updated on July 18, 2020 by Alabi M. S.

 

BASIC SCIENCE 

BASIC SCIENCE AND TECHNOLOGY (BST)

FIRST TERM 

WEEK 10

PRIMARY 5

THEME – ENVIRONMENTAL QUALITY 

PREVIOUS LESSON – Environmental Quality – A Good or Poor Quality Environment (Primary 5)

TOPIC: Waste Disposal

LEARNING AREA 

1. Meaning of Waste Disposal

2. Methods of Disposal of Waste

3. Advantages of Proper Waste Disposal

4. Disadvantages of Improper Waste Disposal

 

PERFORMANCE OBJECTIVES

By the end of the lesson, the pupils should have attained the following objectives (cognitive, affective and psychomotor) and be able to:

explain the meaning of waste disposal;

mention methods of disposal of waste;

list three advantages of proper waste disposal;

mention three dangers of improper disposal of waste.

 

 

ENTRY BEHAVIOR

The pupils are required to already have learned wastes.

 

INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of:

picture/charts of waste disposal van

Buckets, wheel barrows

Drums, shovel, spade, etc.

Waste dumps, bottles, paper, sticks, empty can, water, wood Ash, leaf litters etc.

 

METHOD OF TEACHING – Choose a suitable and appropriate methods for the lessons.

Note – Irrespective of choosing methods of teaching, always introduce an activities that will arouse pupil’s interest or lead them to the lessons.

 

REFERENCE MATERIALS

Scheme of work

9 – Year Basic Education Curriculum

Basic Science and Technology Book 6

All Relevant Materials

Online Materials

Relevant Materials – Environmental Quality – Disposing Sewage and Effects of Waste Disposal (Primary 5) ASEI PDSI METHOD

 

CONTENT OF THE LESSON

LESSON ONE – INTRODUCTION 

Waste disposal is removing and destroying or storing damaged unwanted or unusable materials. Waste disposal includes burning, compost pit or at sea, and recycling of waste.

That’s, Waste disposal means getting rid of waste in a proper way.

 

 

METHODS OF WASTE DISPOSAL

A. SOLID WASTE DISPOSAL

Solid waste should be collected and carried to proper places where it is safely got rid of.

Solid waste can be disposed of by composting, incinerating or burning, landfilling and recycling.

There are three steps to take for a proper waste disposal:

1. Waste collection

2. Sorting waste

3. Disposal of waste

 

B. LIQUID WASTE DISPOSAL 

Liquid waste can be dispose of by providing soak – away pits in homes or allowing the wastewater to flow into gutter, streams, rivers or oceans.

 

 

LESSON TWO 

ADVANTAGES OF PROPER WASTE DISPOSAL

1. Control spread of sickness and diseases

2. Protect our environment from pollution

3. Improve quality of life

4. Save money and resources

5. Enable waste reuse

 

EFFECT OF IMPROPER WASTE DISPOSAL 

1. Pollution – land, water and air are contaminated

2. Increase in flies e.g. breed mosquitoes, sun flies

3. Easy spread of sickness and disease by flies or rodents

4. Poor health

5. Endangered our lives

6. Death

 

 

PRESENTATION

To deliver the lesson, the teacher adopts the following steps:

1. To introduce the lesson, the teacher revises the previous lesson. Based on this, he/she asks the pupils some questions;

2. Leads discussion on proper disposal of wastes;

3. Displays pictures and diagrams of ways of disposing waste;

Pupil’s Activities – Listen, ask questions and discuss waste and how to recycle waste.

4. Guides pupils to make compost pit, as a way of disposing;

Pupil’s Activities – Guides pupils to make compost pit, as a way of disposing or recycling waste. Prepare posters that teach proper disposal of household waste.

5. Arranges visit to land fill area where wastes are recycled;

Pupil’s Activities – Discuss the dangers of not disposing waste properly.

Note Taking

 

CONCLUSION

To conclude the lesson for the week, the teacher revises the entire lesson and links it to the following week’s lesson – waste recycling.

 

LESSON EVALUATION

Pupils to:

1. explain the meaning of waste disposal;

2. list three advantages of proper waste disposal;

3. mention three dangers of improper disposal of waste.

 

 

 

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