Sewage and Refuse Disposal
Subject : P.H.E Physical And Health Education
Topic : Sewage and Refuse Disposal
Class : J.S.S.1
Term : FIRST TERM
Week : WEEK 7
Instructional Materials :
- Wall charts
- Pictures
- Related Online Video
- Flash Cards
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
Previous Knowledge :
The pupils have previous knowledge of the previous topics
Behavioural Objectives : At the end of the lesson, the pupils should be able to
- Explain the water carriage system
- Mention five types of latrine
- Explain what is compositing?
- Define sanitary land fill
- Explain the term incineration
Content :
Methods of Sewage and Refuse Disposal
Common Methods of Sewage Disposal
- Water carriage system
- Open dumps
- Latrine
Types of Latrine
- Bucket Latrine
- Pit hole Latrine
- Septic Tank
- Trench Latrine
- Borehole Latrine
- Water Carriage System: This is the most efficient, effective and hygienic method of disposing sewage. This system is used in the urban areas of most developed countries and some developing countries. In water-carriage system, faeces and urine are deposited in a water closet and then flushed with clean water.
- Open Dumps: Open dumps are easy way of sewage disposal. Open dumps, produce unpleasant smells and are unsanitary as the dumps harbor and serve as a breeding space for vectors, diseases and illnesses.
- Latrine:is used to dispose human faeces and urine. It is simply a hole dug in the ground. A latrine is a hygienic method of sewage disposal as it does not involve direct handling of human wastes.
Some Methods of Refuse Disposal
- Sanitary Land fill: an excavated or land depression area is needed wherein refuse garbage are thrown and covered up with soil or dust.
- Incineration: there are modern and local ones and are of different types. In this case, refuse are deposited inside a house like facility and the materials are burnt with oil, coal or gas serving as fuel.
- Open dumps: Refuse dumps are easy way of refuse disposal. Open dump, produce unpleasant smells and are unsanitary as the dumps harbor and serve as a breeding space for vectors, diseases and illnesses.
- Compositing: is achieved when materials that can be decomposed are separated from non-decompositing one.
- Refuse Bins: The refuse is collected from these bins regularly by refuse lorries or trucks and later disposed of by burning in incinerators.
- Hog feeding.
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
:
EVALUATION QUESTIONS
- Explain the water carriage system
- Mention five types of latrine
GENERAL EVALUATION/REVISION QUESTIONS
- What is compositing?
- Define sanitary land fill
- Explain the term incineration
WEEKEND ASSIGNMENT
- The following are methods of sewage disposal except ___________ Incineration B. Water system C. Latrine D Septic tank
- One of the following is a type of latrine bucket latrine B. bowl latrine C. drum latrine D. none of the above
- A type of refuse collection into the bins is called ____________ sewage bin B. car bin C. fuel bin D. refuse bin
- Which of these is not a method of refuse disposal? incineration B. Open dumps C. Compositing D. Water system
- Refuse simply means __________ liquid waste B. solid waste C. animal waste D. marine waste
THEORY
- List out five types of latrine
- Write out any five methods of refuse disposal
Jss 1 PHE First Term Examinations
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.
