Lesson Notes By Weeks and Term - Primary 5

ENVIRONMENTAL QUALITY

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WEEK 7&8

SUBJECT: BASIC SCIENCE

TERM: 1ST TERM

CLASS: PRIMARY 5

TOPIC: ENVIRONMENTAL QUALITY

LEARNING OBJECTIVES; At the end of the lesson, pupils should be able to:

  1. Explain the term ‘environmental quality’.
  2. List the things you would expect to see in a healthy environment.
  3. List the things you would expect to see in an unhealthy environment.
  4. List the advantages of a healthy environment.
  5. List the disadvantages of an unhealthy environment.
  6. Know what can be done to make a school compound healthy and beautiful? 7. Know the materials can be used to make a school compound healthy and beautiful?

INSTRUCTIONAL MATERIALS:

A chart showing a beautiful and healthy school compound.

REFERENCE MATERIALS

Scheme of work

All relevant materials     

9-Years Basic Education Curriculum

Online information

BUILDING BACKGROUND/CONNECTION TO PRIOR KNOWLEDGE:

Pupils are familiar with the topic in their previous classes.

 

CONTENT

MEANING OF ENVIRONMENTAL QUALITY

The environment is not the same everywhere, even in the same city. Where the environment is healthy, is not polluted or is only slightly polluted, we say the environmental quality is good. If the environment is highly polluted, we say the environmental quality is poor.

Advantages of a healthy environment

Qualities of a healthy Advantages environment

  1. Beautiful flowers. Attractive and pleasant to live or stay in.
  2. Grass properly cut there is no home for snakes and mosquitoes.
  3. Low noise level Area is peaceful, and one can have good rest or sleep.
  4. Clean air Prevents diseases of the breathing system.
  5. Clean water prevents water-borne diseases, such as cholera and dysentery
  1. Clean ground makes the compound or areas attractive.
  2. No refuse heaps prevents breeding of cockroaches, rats, mosquitoes and houseflies that carry disease-causing germs.
  3. No cockroaches prevent diseases carried by them.

Disadvantages of degrading the environment

Degrading the environment means reducing its quality. The quality of an environment can be degraded by erosion of the soil and pollution of the air, water and soil.       

Properties of an unhealthy Disadvantages environment

  1. No flowers the compound or area is unattractive.
  2. Tall grass not cut Mosquitoes and other harmful insects can breed in overgrown grass.
  3. High noise level Makes people restless.
  4. Polluted air Makes people uncomfortable or sick.
  5. Polluted water May contain poisonous substances or disease causing germs.
  1. Polluted land Endangers health, may produce foul smell, and refuse may cause injuries or accidents.
  2. Refuse heaps Provide homes for cockroaches, rats, mosquitoes and houseflies that carry disease causing germs. Refuse can pollute the air and cause accidents.
  3. Cockroaches, mosquitoes Carry disease-causing and flies germs.
  4. Erosion makes soil unproductive. Materials used for maintaining a healthy environment

Several materials are needed for maintaining a healthy environment, both at home and in the school

Material Use

  1. Cutlass for cutting grass.
  2. Lawn mower for cutting grass.
  3. Rake for collecting cut grass and refuse.
  4. Water for watering flowers.
  5. Water hose/bucket for watering flowers.
  6. Hoe for preparing the soil for planting flowers.
  7. Flower seeds for planting to raise flowers.
  8. Fertilizers for making the flowers healthy.
  9. Insecticide for killing harmful insects.
  10. Dustbin For refuse keeping.
  11. Wheelbarrow For carrying refuse to dustbins or incinerators.
  12. Incinerator For burning refuse.

ASSESSMENT AND EVALUATION

  1. Explain the term ‘environmental quality’.
  2. List the things you would expect to see in a healthy environment.
  3. List the things you would expect to see in an unhealthy environment.
  4. List the advantages of a healthy environment.
  5. List the disadvantages of an unhealthy environment.
  6. Know what can be done to make a school compound healthy and beautiful?
  7. Know the materials can be used to make a school compound healthy and beautiful?

WRAP-UP (CONCLUSION)

Teacher goes over the topic once again to enhance better understanding Answer these questions 1. Explain the term ‘environmental quality’.

  1. List five things you would expect to see in a healthy environment.
  2. List five things you would expect to see in an unhealthy environment.
  3. List six advantages of a healthy environment.
  4. List six disadvantages of an unhealthy environment.
  5. What can be done to make a school compound healthy and beautiful?
  6. What materials can be used to make a school compound healthy and beautiful?


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