NCERT Class 4 The World Around Us Our Wondrous World (Sanskrit): Chapter 10 — अस्माकम् आकाशः
This chapter, "Our Sky" (अस्माकम् आकाशः), from NCERT's Class 4 "Our Wondrous World" textbook in Sanskrit, explores the changing appearance of the sky throughout the day and night. It prompts students to observe and draw the sky at different times – morning, afternoon, and night – noting the variations in its color and the Sun's appearance. The chapter highlights that the Sun is the brightest object in the sky, often obscuring other stars during the day due to its intense light. It also encourages students to notice changes in the activities of animals and plants at different times of the day. This chapter aims to foster observational skills and an understanding of celestial phenomena among young learners, aligning with the CBSE curriculum.
Quick info
| Board | CBSE / NCERT |
|---|---|
| Class | Class 4 |
| Subject | The World Around Us |
| Book | Our Wondrous World (Sanskrit) |
| Chapter | Chapter 10 — अस्माकम् आकाशः |
| Language | Sanskrit |
| PDF type | NCERT Textbook |
| Session | CBSE 2026 |
| Reading time | 1 minute |
| Word count | 194 |
Learning outcomes
- Students will be able to describe the appearance of the sky at different times of the day (morning, afternoon, night).
- Students will identify the Sun as the brightest object in the sky.
- Students will observe and record changes in the activities of animals and plants throughout the day.
- Students will develop observational skills by drawing and describing the sky.
Vocabulary
| Word | Meaning |
|---|---|
| आकाशः | Sky |
| सूर्यः | Sun |
| चन्द्रमा | Moon |
| नक्षत्राणि | Stars |
| प्रातः | Morning |
| अपराह्ने | Afternoon |
| रात्रौ | Night |
| वर्णः | Color |
| आकारः | Shape/Size |
| क्रियाकलापेषु | In activities |
| परिवर्तनं | Change |
| उज्ज्वलः | Bright |
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Practice questions
- आकाशस्य वर्णः दिवसस्य विभिन्नेषु समयेषु कथं दृश्यते? Answer: आकाशस्य वर्णः प्रातः, अपराह्ने, रात्रौ च भिन्नः दृश्यते।
- आकाशे सर्वाधिकः उज्ज्वलः पदार्थः कः अस्ति? Answer: आकाशे सर्वाधिकः उज्ज्वलः पदार्थः सूर्यः अस्ति।
- रात्रौ आकाशे किं किं दृश्यते? Answer: रात्रौ आकाशे चन्द्रमा नक्षत्राणि च दृश्यन्ते।
- सूर्यस्य प्रकाशेन अन्यानि नक्षत्राणि कदा न दृश्यन्ते? Answer: यदा आकाशे सूर्यः दृश्यते तदा तस्य अत्युज्ज्वलप्रकाशेन अन्यानि नक्षत्राणि न दृश्यन्ते।
Frequently asked questions
What is the chapter 'अस्माकम् आकाशः' about?
The chapter 'अस्माकम् आकाशः' is about observing and understanding the changes in the sky throughout the day and night, including the appearance of the Sun, Moon, and stars.
When does the sky look different?
The sky looks different at different times of the day: morning (प्रातः), afternoon (अपराह्ने), and night (रात्रौ).
What is the brightest object in the sky?
The Sun (सूर्यः) is the brightest object in the sky.
Why can't we see other stars during the day?
We cannot see other stars during the day because the Sun's bright light (अत्युज्ज्वलप्रकाशेन) makes them invisible.
What activities does the chapter ask students to observe?
The chapter asks students to observe the activities (क्रियाकलापेषु) of birds, animals, trees, and humans at different times of the day.
What is the main activity suggested in the chapter?
The main activity suggested is to draw pictures of the sky as it appears in the morning, afternoon, and night.
Related resources
Important topics
Topics covered
NCERT Class 4 The World Around Us — Our Wondrous World (Sanskrit) — Chapter 10 — अस्माकम् आकाशः. Verified by NCERT Help Editorial Team. Reviewed on 29 Jul 2026. Last updated 10 Aug 2026.