Question Paper
Class / Subject: Class 4 (CBSE) · Environmental Studies
Chapter: Chapter 10 — Chapter 10: Our Sky
Time Allowed: 32 minutes
Max Marks: 16
1. What can we observe in the daytime sky? [1]
(A) The Sun and clouds
(B) Only stars
(C) Only the Moon
(D) Nothing
2. What can we observe in the night sky? [1]
(A) The Moon and stars
(B) Only the Sun
(C) Only clouds
(D) Nothing
3. How does the Moon's shape change? [1]
(A) It changes over about a month (phases)
(B) It never changes
(C) It changes every hour
(D) It disappears forever
4. What can help us notice sky patterns? [1]
(A) A sky journal
(B) Ignoring the sky
(C) Never looking up
(D) Guessing randomly
5. What does regular sky observation build? [1]
(A) Patience and curiosity
(B) Nothing
(C) Only boredom
(D) Confusion
6. What might we see during the day besides the Sun? [1]
(A) Clouds and rainbows
(B) Only stars
(C) Only the Moon
(D) Nothing else
7. What might we see at night besides the Moon? [1]
(A) Stars and sometimes planets
(B) Only clouds
(C) Only the Sun
(D) Nothing else
8. Why observe the sky regularly? [1]
(A) To appreciate natural wonders and notice patterns
(B) No reason
(C) Only for tests
(D) It's not useful
9. What is the Sun? [1]
(A) A star
(B) A planet
(C) A moon
(D) A comet
10. What does the Sun give Earth? [1]
(A) Light and heat
(B) Only heat
(C) Only light
(D) Nothing
11. What is the Moon? [1]
(A) Earth's natural satellite
(B) A star
(C) A planet
(D) A comet
12. Why does the Moon shine at night? [1]
(A) It reflects sunlight
(B) It makes its own light
(C) It is a star
(D) It doesn't shine
13. Why do other stars look smaller than the Sun? [1]
(A) They are much farther away
(B) They are actually smaller
(C) They don't produce light
(D) No reason
14. How long can starlight take to reach us? [1]
(A) Many years
(B) A few seconds
(C) A few minutes
(D) It never reaches us
15. What have the Sun, Moon and stars helped humans do? [1]
(A) Navigate and keep time
(B) Nothing useful
(C) Only decoration
(D) Confuse time
16. Why do we observe the sky? [1]
(A) To understand our place in space
(B) No reason
(C) Only for fun
(D) It's not useful