Textbook
Chapter 1: Introduction to Scientific Investigation
Chapter 2: Cell As The Basic Unit of Life
Chapter 3: Coordination and Response
Chapter 4: Reproduction
Chapter 5: Matter
Chapter 6: Periodic Table
Chapter 7: Air
Chapter 8: Light and Optics
Chapter 9: Earth
Chapter 7: Air
Topics in this chapter
1. Composition of Air
What you will learn in this topic
- 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
2. Combustion
What you will learn in this topic
- 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
3. Air Pollution
What you will learn in this topic
- 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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