Unit 1 Click here if you need the 2018 old version. |
 | | 1.1 Learning about science | |
 | | 1.2 Practice of science | |
 | | 1.3 Laboratory safety | |
 | | 1.4 Laboratory apparatus | |
 | | 1.5 Using measuring instruments | |
 | | 1.6 Basic practical skills | |
 | | Unit end | |
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Unit 2 Click here if you need the 2018 old version. |
 | | 2.1 The water cycle | |
 | | 2.2 Dissolving | |
 | | 2.3 Water purification | |
 | | 2.4 Further treatment of drinking water | |
 | | 2.5 The water treatment process in Hong Kong | |
 | | 2.6 Water conservation and pollution | |
 | | Unit end | |
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Unit 3 Click here if you need the 2018 old version. |
 | | 3.1 Living things | |
 | | 3.2 Grouping of living things | |
 | | 3.3 Living things and habitats | |
 | | 3.4 Biodiversity | |
 | | 3.5 Reduction in biodiversity | |
 | | 3.6 Conservation | |
 | | Unit end | |
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