CBSE Class 9 Science, Chapter 7: Work, Energy, and Simple Machines
NCERT Exploration, pages 116–139. 16 topics, about 8 days of study at 20 to 30 minutes a day.
Topics in this chapter, with textbook pages
- Introductionpage 116
- 7.1Work Done by a Constant Forcepages 117–118
- 7.1.1When is work done equal to zero?page 118
- 7.1.2Positive and negative work donepages 118–119
- 7.2The Work-Energy Theorempages 120–121
- 7.3Forms of Energypage 121
- 7.4Mechanical Energypage 121
- 7.4.1Kinetic energypages 121–123
- 7.4.2Potential energypages 123–126
- 7.4.3Conservation of mechanical energypages 126–129
- 7.5Powerpages 129–130
- 7.6Simple Machinespage 130
- 7.6.1Pulleypage 130
- 7.6.2Inclined planepages 131–136
- At a Glancepage 136
- Revise, Reflect, Refinepages 136–138
Teach this chapter at home
- A day-by-day plan with the exact textbook pages for each day.
- A step-by-step script for each day, so you know what to say and ask, written from the NCERT chapter.
- A quiz at the end and a written task you can check with a photo of the notebook.
Textbook pages follow the 2026-27 NCERT print and can differ by a page or two in older prints. Adhian Gurus is not affiliated with NCERT or CBSE.