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Students should:
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| • know the constituents
of air and how to separate them. |
Air
composition and pollution. The greenhouse
effect |
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| • understand the
natural balance of the atmosphere and the role played by man. |
The carbon cycle, oxygen
cycle, water cycle and nitrogen cycle |
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| • appreciate the
need for monitoring and care of the environment. |
Water treatment and water
pollution. |
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| • know the water
cycle and the treatment received before it arrives in a house. |
Project on pollution.
(A) |
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| • appreciate the
special characteristics of water and its behaviour as a solvent. |
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| • understand the
mechanism of dissolution of ionic materials. |
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| • appreciate the
mobility of ions in solution. |
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| • understand the
precipitation process and be able to predict precipitation given familiar
and unfamiliar compounds. |
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Expt 17: The reaction
between sodium hydroxide solution and six different metal sulphate
solutions (E) |
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Expt 18: To determine
the solubility of two salts in water. Plan. (D,E) |
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Solubility curves. |
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Expt 19: Solubility curves.
(D,E) |
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Solubility curve data
sheet (E) |
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Test: Air and water (C) |
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