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Specific Objectives
Students should be able to:
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Explanatory notes
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1
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identify pollutants in the environment;
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Definition of pollution and pollutant; including domestic, industrial and agricultural pollutants.
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2
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discuss the causes of water and air pollution;
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3
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describe the effects of pollutants on human beings and the environment; |
Analysis and interpretation of data
(Link to Specific Objective B2.4)
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4
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explain the methods of controlling pollution;
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| 5. |
describe the water cycle; |
Diagram required; include evaporation, condensation, transpiration, respiration, filtration.
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| 6. |
describe simple ways of purifying water in the home; |
Boiling, Chlorine/ bleach.
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| 7. |
test water for bacteria;*
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Agar plate.
(Link to Specific Objective A2)
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| 8. |
describe the processes involved in large scale water purification;
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Screening, sedimentation, filtration, chlorination.
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| 9. |
discuss the impact of human activities on water supplies;
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| 10. |
explain why contaminated water is detrimental to human beings; |
(Link to Specific Objective D7)
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| 11. |
distinguish between proper and improper sewage disposal practices;
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| 12. |
explain the impact of improper sewage disposal practices;
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| 13. |
compare the treatment of sewage by biological filter and activated sludge methods; |
Include the role of microorganisms in the treatment of sewage.
(Link to Specific Objective A2)
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| 14. |
relate the parts of a pit latrine to their functions;
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Diagram required. |
| 15. |
explain why the siting of pit latrines is important;
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Sandy soil, vicinity to water sources.
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| 16. |
Assess the use of pit latrines in the Caribbean;
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Advantages, disadvantages, phasing out.
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| 17. |
evaluate the efficiency of the methods of domestic refuse disposal;
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Analysis and interpretation of data.
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| 18. |
describe the operations at a landfill; |
Include a description of a landfill. |
| 19. |
discuss the importance of landfills in the Caribbean;
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Function of a landfill. |
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evaluate the impact of solid waste on the environment;
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Analysis and interpretation of data. |
| 21. |
analyze measures used to control solid waste volume;
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reduce, reuse, recycle - examples of recyclable materials. |
| 22. |
distinguish between the terms, 'biodegradable' and 'non-biodegradable'; |
Include classification of biodegradable and non-biodegradable items.
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| 23. |
use tables charts and diagrams to represent data on the impact of health practices on the environment. |
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human and social biology
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