Class 5 EVS (Our Wondrous World) Chapter 9, Rhythms of Nature, opens Unit 5 (Our Amazing Planet) by demonstrating how Earth’s rotation causes day and night and how yearly seasonal cycles shape crops, trees, animal behaviour and India’s six traditional Ritus and festivals.
What Class 5 EVS Chapter 9 Covers
Day and Night (Globe & Torch Demonstration) uses a globe and a torch in a darkened room (Activity 1) to demonstrate how the Earth’s rotation on its axis brings sunlight to one half (day) while the other half faces away (night), creating sunrise in the East and sunset in the West.
Year-Long Seasons Wall Chart & Six Indian Ritus builds a collaborative classroom Seasons’ Chart tracking weather, leaf fall/flowering, birds/insects, crops and clothes across the year, and introduces India’s six traditional seasons (Ritus): Vasanta (Spring), Grishma (Summer), Varsha (Monsoon), Sharad (Autumn), Hemanta (Pre-winter), and Shishira (Winter), plus harvest festivals like Pongal, Bihu, Lohri and Onam.
Exercises in Chapter 9
- Let us reflect end-of-chapter questions, Discuss prompts, and Activity investigations.
Read Class 5 EVS Chapter 9 Online
More Chapters
- Previous: Chapter 8: Clothes — How Things are Made
- Next: Chapter 10: Earth — Our Shared Home
- Hindi medium: Class 5 EVS Chapter 9 PDF in Hindi (Hamara Adbhut Sansar)
- All EVS chapters and the other Class 5 books: Class 5 NCERT books 2026-27
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FAQ
What causes day and night on the Earth?
Day and night are caused by the rotation (spinning) of the Earth on its axis once every 24 hours; the side facing the Sun experiences day while the side away from the Sun experiences night.
What are the six traditional seasons (Ritus) in the Indian calendar?
Vasanta (Spring), Grishma (Summer), Varsha (Monsoon/Rainy), Sharad (Autumn), Hemanta (Pre-winter), and Shishira (Winter).