Study Combined Science notes for O-Level. Useful for revision, homework, and exam preparation in Zimbabwe.
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This is the O-Level Combined Science notes. It is a free notes for revision.
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Contents
Section A: Agriculture
1. Photosynthesis $\_\_\_\_$ 03
2. Mineral nutrition $\_\_\_\_$ 07
3. Plant pests and diseases $\_\_\_\_$ 08
4. Transport in plants $\_\_\_\_$ 10
5. Transpiration $\_\_\_\_$ 14
6. Reproduction in plants $\_\_\_\_$ 17
7. Animal nutrition $\_\_\_\_$ 22
8. The circulatory system of mammals $\_\_\_\_$ 28
9. Gaseous exchange $\_\_\_\_$ 34
10. Respiration $\_\_\_\_$ 36
11. Animal parasites and diseases $\_\_\_\_$ 38
12. Inheritance $\_\_\_\_$ 39
13. Ecosystems $\_\_\_\_$ 41
Section B: Industry
1. States of Mater $\_\_\_\_$ 52
2. Atomic Structure $\_\_\_\_$ 55
3. Elements, Mixtures \& Compounds $\_\_\_\_$ 56
4. Metals \& Non-Metals $\_\_\_\_$ 57
5. The Reactivity of Metals $\_\_\_\_$ 58
6. Oxidation \& Reduction $\_\_\_\_$ 59
7. Acids, Bases \& Salts $\_\_\_\_$ 61
8. Speed of Reaction $\_\_\_\_$ 65
9. Extraction of iron \& copper $\_\_\_\_$ 68
10. Industrial processes $\_\_\_\_$ 72
Section C: Energy
1. Fuels 77
2. Electrostatics $\_\_\_\_$ 86
3. Current electricity $\_\_\_\_$ 89
4. Solar Energy $\_\_\_\_$ 96
Section D: Structures
1. Structures $\_\_\_\_$ 100
2. Trusses $\_\_\_\_$ 103
3. Joining materials $\_\_\_\_$ 105
4. Large structures $\_\_\_\_$ 107
5. Bridges and dams $\_\_\_\_$ 109
6. Mechanical systems $\_\_\_\_$ 112
7. Fluids $\_\_\_\_$ 115
Section E: Science in the Community
1. Health $\_\_\_\_$ 120
2. Food Preservation $\_\_\_\_$ 125
3. Smoking, Alcohol \& Drugs $\_\_\_\_$ 126
4. Disease $\_\_\_\_$ 128
5. Defence systems $\_\_\_\_$ 130
6. Reproduction $\_\_\_\_$ 132
7. Environmental health $\_\_\_\_$ 138
TRS
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