Change caused by Humans Activities (Pollution) – Meaning (Types) of pollution | Meaning of Land pollution | Effects of Land pollution | Ways of Preventing of Land pollution Primary 5 (Basic 5) – Basic Science and Technology
BASIC SCIENCE
FIRST TERM
WEEK 3
BASIC 5
THEME: ENVIRONMENTAL CHANGES
TOPIC: CHANGE CAUSED BY HUMAN ACTIVITIES
LEARNING AREA
1. Introductory Activities
2. Meaning of Land Pollution
3. Examples of Land Pollutants
4. Consequences of Land Pollution
5. Prevention of Land Pollution
6. Lesson Evaluation and Weekly Assessment (Test)
PERFORMANCE OBJECTIVES
By the end of the lesson, most of the pupils should have attained the following objectives –
1. define pollution and list some land pollutants;
2. list common sources of pollution;
3. describe the consequences of land pollution on the people and on the environment;
4. describe the roles of the communities, industries and oil exploration in land pollution;
5. suggest ways of reducing the risks of pollution.
ENTRY BEHAVIOR
The pupils can identify some of the land pollution.
INSTRUCTIONAL MATERIALS
The teacher will teach the lesson with the aid of:
1. Photographs and charts showing polluted land, industries letting, fumes on the land.
2. Posters/ photographs showing areas affected by oil spillage.
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 – Years Basic Education Curriculum
Course Book
All Relevant Material
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 POLLUTION
Land pollution is the release unwanted stuff, waste materials and harmful substances on the land.
Polluted land is unsafe for human, plants and animals.
HUMAN ACTIVITIES CAUSED BY LAND POLLUTION/CAUSES OF LAND POLLUTION
Land pollution can happen through human activities like –
1. Dumping of refuse
2. Deforestation
3. Bush burning
4. Soil erosion
5. Agricultural activities
6. Mining activities
7. Overcrowded landfills
8. Construction activities
9. Human sewage
LESSON 2 – EFFECTS OF LAND POLLUTION
1. Loss of top most soil
2. Soil pollution
4. Climactic change
5. Effect on human health
6. Increased risk of wildfires
7. Cause Air pollution
8. Distraction for Tourist
LESSON 3 – PREVENTION OF LAND POLLUTION
The ways of preventing land pollution include –
1. Raising awareness
2. Reduce, Recycle and Reuse
5. Proper waste disposal
4. Afforestation
6. Law and order
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. Shows pictures of polluted land.
Pupil’s Activities – Look at pictures of polluted land and describe what they observe.
3. Arranges for pupils to visit industrial areas and observe the emission of gases into the land; the release of effluent waste on the land.
4. Guides pupils’ discussion on the various ways the community, industries etc. pollute land.
Pupil’s Activities – Visit industrial areas to observe ways industries pollute land.
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.
CONCLUSION
To conclude the lesson for the week, the teacher revises the entire lesson and links it to the following week’s lesson.
NEXT LESSON
LESSON EVALUATION
Ask pupils to:
Explain the meaning of land pollution.
2. State 4 effects of land pollution.
3. Mention 4 ways of controlling land pollution.
WORKBOOK
WEEKLY ASSESSMENT (TEST)
1. ________ is the presence in or introduction into the environment of a something which has harmful or poisonous effects.
A. Pollutant
B. Pollination
C. Pollution
D. Production
2. Pollution is anything that makes our land and environment ________ and ________ to use.
A. clean and safe
B. clean and unsafe
C. dirty and unsafe
D. dirty and safe
3. Land pollution leads to the ________ of the land.
A. contamination
B. contribution
C. contention
D. century
4. The harmful substances introduced into the environment are called ________.
A. pollutants
B. products
C. pollution
D. production
5. ________ is the release unwanted stuff, waste materials and harmful substances on the land.
A. Water pollution
B. Land pollution
C. Air pollution
D. Noise pollution
6. Polluted land is ________ for humans, animals and plants.
A. safe
B. save
C. unsafe
D. all the above
7. One of these is not way of preventing land pollution.
A. Raising awareness
B. Reduce, Recycle and Reuse
C. Proper waste disposal
D. Deforestation
8. One of these is not an effect of land pollution.
A. Loss of top most soil
B. Afforestation
C. Soil pollution
D. Water and air pollution
9. Which of these is not land pollutant?
A. Deforestation
B. Afforestation
C. Bush burning
D. Soil erosion
10. Which of these is a land pollutant?
A. Proper waste disposal
B. Afforestation
C. Law and order
D. Mining activities
11. Pollution is the presence in or introduction into the environment of a something which has harmful or poisonous effects.
A. True
B. False
12. Pollution is anything that makes our land and environment clean and safe to use.
A. True
B. False
13. Reduce, recycle and reuse help to prevent land pollution.
A. False
B. True
14. Proper waste disposal increase land pollution.
A. False
B. True
15. Bush burning help to prevent land pollution.
A. True
B. False