BASIC SCIENCE AND TECHNOLOGY
THEME – ENVIRONMENTAL CHANGES
PREVIOUS LESSON – Change caused by Humans Activities (Pollution) – Meaning (Types) of pollution | Water pollution | Effects of water pollution | Prevention of water pollution Primary 5 (Basic 5) – Basic Science and Technology
TOPIC – CHANGE CAUSED BY HUMAN ACTIVITIES
1. Introductory Activities
2. Meaning of Water pollution
3. Effects of water pollution
4. Prevention of water pollution
5. Lesson Evaluation and Weekly Assessment (Test)
By the end of the lesson, most of the pupils should have attained the following objectives –
1. Explain the meaning of air pollution.
2. State the effects of air pollution.
4. Mention ways of controlling air pollution.
5. Attempt 70% (and above) of weekly assessment correctly.
The pupils can identify some of the change caused by human activities (air pollution).
The teacher will teach the lesson with the aid of:
1. Rotten food
2. Dead animals
3. Burning papers
4. Rising dust in the classroom – sweeping
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.
1. Scheme of Work
2. 9 – Years Basic Education Curriculum
3. Course Book
4. All Relevant Material
5. Online Information
Ask pupils to write as you summary the lesson on the board.
CONTENT OF THE LESSON
LESSON 1 – INTRODUCTION
Pollution is anything that makes our water, land, air and environment dirty and unsafe to use. These harmful substances introduced into the environment are called pollutants.
The types of pollution we have are land, water, air and noise pollution.
MEANING OF AIR POLLUTION
Air pollution is the release of gases, dust, smoke, or odor into the air which make it unclean and difficult for breathing.
Polluted air is also unsafe for humans, plants and animals.
HUMAN ACTIVITIES THAT POLLUTED THE AIR POLLUTION/CAUSES OF AIR POLLUTION
Air pollution can happen through human activities like –
- odor from the human body or dead animals or rotten food.
LESSON 2 – EFFECTS OF AIR POLLUTION
Polluted air carried deadly substance, such as those responsible for,
3. heart disease
4. lung cancer
5. brain damage, etc.
LESSON 3 – PREVENTION OF AIR POLLUTION
1. Using public transports
2. Turn off the lights when not in use
3. Avoid bush burning
4. Don’t smoke in public air
5. Stay away for smokers
7. Using nose cover or face cover
8. Service your engine regularly
8. Make use of good engine oil
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. Shows pictures of polluted air.
Pupil’s Activities – Look at pictures of polluted air and describe what they observe.
3. Arranges for pupils to visit industrial areas and observe the emission of gases in the air; the release of effluent waste on the air.
4. Guides pupils’ discussion on the various ways the community, industries etc. polluted air.
Pupil’s Activities – Visit industrial areas to observe ways industries pollute air.
5. Guides discussion on measures of controlling.
Pupil’s Activities – Participate in the discussion.
6. Summarize the lesson on the board.
Pupil’s Activities – Copy as the teacher writes.
To conclude the lesson for the week, the teacher revises the entire lesson and links it to the following week’s lesson.
Ask pupils to:
1. Explain the meaning of air pollution.
2. State 4 effects of air pollution.
3. Mention 4 ways of controlling air pollution.
WEEKLY ASSESSMENT (TEST)
1. ________ is the presence in or introduction into the environment of a something which has harmful or poisonous effects.
2. Pollution is anything that makes our water, land, air and environment ________ and ________ to use.
A. clean and safe
B. clean and unsafe
C. dirty and unsafe
D. dirty and safe
3. Pollution leads to the ________ of the air, water, or soil.
4. The harmful substances introduced into the environment are called ________.
5. ________ is the release of gases, dust, smoke, or odor into the air which make it unclean and difficult for breathing.
A. Water pollution
B. Land pollution
C. Air pollution
D. Noise pollution
6. Polluted air is ________ for humans, animals and plants.
D. all the above
7. One of these is not a way of preventing air pollution.
A. Using public transports
B. Turn off the lights when not in use
C. Going out with private car
D. Avoid bush burning
8. One of these is not an effect of air pollution.
B. Sound heart
D. Heart disease
9. Which of these is not air pollutant?
10. Which of these is a air pollutant?
B. Air fresher
C. Air conditioning
D. Bush burning
11. Pollution is the presence in or introduction into the environment of a something which has harmful or poisonous effects.
12. Pollution is anything that makes our water, land, air and environment clean and safe to use.
13. Using nose cover or face cover cannot prevent air pollution.
14. Avoid bush burning increasing air pollution.
15. Using good engine oil helps to prevent air pollution.