Integrated Sciences 1 | 1st Sec

Capter 2

• Session 12 | Lesson 2 | Physical factors in atmosphere

• Session 13 | Lesson 3 | Chemical reactions in atmosphere

• Session 14 | Lesson 4 Atmospheric changes and their impact

• Final Revision 2 | Chapter 2

Chapter 3 The Soil

• Session 15 | Lesson 1 | Soil Composition

• Session 15 | Lessons 2 & 3 | Effect of human on soil & Effect of acid rain on soil

• Session 17 | Lesson 4 | Measurements of soil

Chapter 4