NCERT Solutions for Class 4th The World Around Us Chapter 10 Our Sky
Updated on 2026-09-19
About this chapter
The sky looks different at different times of the day. The colour of the sky changes in the morning, afternoon and at night. Even the Sun’s colour appears to change. The activities of birds, animals, trees and humans change too. The Sun is the brightest object in the sky. It is so bright that other stars cannot be seen when it is in the sky. It gives us light and heat. It appears to rise, move up till it is overhead, and then go down on the other side. Shadows change through the day. Morning shadows are long, noon shadows are short and evening shadows are long again. Evening shadows fall in the opposite direction to morning shadows. A shadow follows the light. If the object is close to the source of light, the shadow is bigger. If the direction of the light changes, the direction of the sh
- Pictures of the Sky
- Sunrise and Sunset
- Interesting things about shadows
- The Shadows
- Position of the Sun and shadows
- Shadow formation by the Sun
- Patterns of stars
- Shapes of the Moon
- Festivals of the Sun and the Moon
- End-of-chapter questions
Exercises
- Pictures of the Sky — Draw Page 152
- Pictures of the Sky — Write Page 153
- Sunrise and Sunset — Discuss Page 154
- Interesting things about shadows — The Shadows Page 155
- The Shadows — Find out Page 156
- Position of the Sun and shadows — Draw Page 157
- Shadow formation by the Sun — Play with Shadows Page 158
- Patterns of stars — Night Sky Page 159
- Shapes of the Moon — Draw Page 160
- Shapes of the Moon — Discuss Page 160
- Festivals of the Sun and the Moon — Write Page 162
- End-of-chapter questions — Let us reflect Page 162–163