Curriculum
Science — Third Preparatory
Science — Third Preparatory
0/8
Science — Third Preparatory 2026/2027
0/4
-
Unit 1 — Chemical Reactions and Their Environmental Impacts
Preview- 1.1 Starting point: what is a chemical reaction?
- 1.2 Direct combination reactions
- 1.3 Decomposition reactions
- 1.4 Single replacement reactions
- 1.5 Double replacement reactions
- 1.6 Oxidation–reduction (redox) reactions
- 1.7 Summary of Lesson 1
- 2.1 Why do some things burn easily?
- 2.2 The combustion triangle
- 2.3 Ignition point and flammability
- 2.4 Life application: how a match lights
- 2.5 Combustion of metals and non-metals
- 2.6 Complete and incomplete combustion
- 2.7 Detecting the products of combustion
- 2.8 Properties of the combustion products
- 2.9 Environmental pollution from combustion
- 2.10 Summary of Lesson 2
- 3.1 A behaviour that threatens public health
- 3.2 The tobacco plant and the products of tobacco combustion
- 3.3 What tobacco contains
- 3.4 Harmful effects on health
- 3.5 Environmental damage caused by smoking
- 3.6 Types of smoking and ways of exposure
- 3.7 Preventing smoking: how to say no
- 3.8 Summary of Lesson 3
- 📌 Comprehensive Scientific Terminology Dictionary:
- ⚖️ Governing Physical Laws & Mathematical Relations:
- 🔍 In-Depth Explanations, Deductions & Multi-Book Insights:
-
Unit 2 — Electricity and Magnetism
Preview
-
Unit 3 — Variation of Traits in Living Organisms
Preview
-
Unit 4 — Dating Planet Earth
Preview
Unit 1 - Force, Motion, Acceleration and Physical Quantities
0/1
Text lesson
Unit 1 — Chemical Reactions and Their Environmental Impacts
Unit 1 — Chemical Reactions and Their Environmental Impacts
3.7 Preventing smoking: how to say no
3.7 Preventing smoking: how to say no
| Comparison aspect | Main idea | Keywords |
|---|---|---|
| Decide to refuse | practise saying "No" clearly to anyone who offers you a cigarette | practisesayingclearlyanyone |
| Choose positive friends | stay away from peers who encourage smoking and make friends who care about their health | stayawaypeersencourage |
| Stay busy with positive activities |
| sportreadinghobbies |
| Avoid smoking areas | to protect yourself from passive smoking | protectyourselfpassive |
| Ask for help | from a parent or teacher if you feel pressure | parentteacherfeelpressure |
| Learn about the dangers |
| smokingknowledgestrengthensyour |
- Awareness campaigns (for example World No Tobacco Day each year, and posters by health ministries) help the community.
- Governments also ban smoking in public places.
Key points
Issue for discussionIs vaping less risky than smoking?
The scientific answer in this bookno, it still harms the heart and lungs and causes quick addiction.
Unit 1 — Chemical Reactions and Their Environmental Impacts · 25 / 30