• Plan ways to determine and record the composition of air
• Synthesise the composition of air from a pie chart
• Justify the importance of oxygen, nitrogen carbon dioxide and inert gases in daily life
• Appreciate the carbon cycle and the oxygen cycle in maintaining the composition of gases in the air
• Solve problems when there is/are interferences to the oxygen and the carbon cycle
• Conclude about the conditions needed for combustion
• Relate the conditions of combustion with the principles used in the manufacture of fire extinguishers
• Practice safety measures to prevent the occurrence of fire which can lead to the destruction of life and property
• Define air pollution and air pollutants
• Communicate about air pollutants and the causes
• Justify steps to prevent and control air pollution
• Solve problems on the adverse effects of air pollution
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