Page 329 - SUBSEC October 2017_Neat

UNIT 2
MODULE 3: INDUSTRY AND THE ENVIRONMENT (cont’d)

SPECIFIC OBJECTIVES EXPLANATORY NOTES SUGGESTED PRACTICAL
ACTIVITIES

9. The Atmosphere

Students should be able to:

9.1. explain how the Photodissociation.
concentration of ozone in
the atmosphere is
maintained;

9.2. discuss the Include reference to free
environmental significance radical reactions in the
of CFCs in the ozone layer; upper atmosphere.

9.3. discuss the effects of ozone Refer to both stratosphere
on human life; and troposphere, and
Specific Objective 9.2.

9.4. explain the importance of Equilibrium concepts,
maintaining the balance of carbon cycle and
carbon dioxide reforestation.
concentration in the Brief analysis on the impact
atmosphere; of climate change.

9.5. explain the following Include re-radiation of
terms: green-house effect, energy from the infrared
global warming, region.
photochemical smog;

9.6. discuss the effects of the Consider CO, SO 2 , oxides of
products of combustion of nitrogen, lead compounds
hydrocarbon-based fuels; and volatile organic
compounds.

Primary and secondary
pollutants, for example,
NO and NO 2 , respectively.

9.7. explain how the Nitrogen cycle and acid
atmospheric concentrations rain.
of the oxides of nitrogen
may be altered; and,

CXC A11/U2/17 60