CBSE Class 8 Science, Chapter 11: Keeping Time with the Skies
NCERT Curiosity, pages 170–189. 12 topics, about 5 days of study at 20 to 30 minutes a day.
Topics in this chapter, with textbook pages
- Introductionpages 170–171
- 11.1How Does the Moon’s Appearance Change and Why?pages 171–172
- 11.1.1Phases of the Moonpages 172–173
- 11.1.2Locating the Moonpage 173
- 11.1.3Making sense of our observationspages 174–178
- 11.2How Did Calendars Come into Existence?pages 178–179
- 11.2.1Lunar calendarspage 179
- 11.2.2Solar calendarspages 180–181
- 11.2.3Luni-solar calendarspages 181–182
- 11.2.4The Indian National Calendarpages 182–183
- 11.3Are Festivals Related to Astronomical Phenomena?pages 183–184
- 11.4Why Do We Launch Artificial Satellites in Space?pages 185–188
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.