Q1. What is the brightest object in the sky?
Ans: The Sun.
Q2. What gives us light and heat?
Ans: The Sun.
Q3. In which direction does the Sun appear to rise?
Ans: In the East.
Q4. In which direction does the Sun appear to set?
Ans: In the West.
Q5. What happens to the sky’s colour in the morning?
Ans: It appears orange.
Q6. What is visible in the night sky?
Ans: The Moon and stars.
Q7. When are shadows the shortest?
Ans: At noon.
Q8. When are shadows the longest?
Ans: In the morning and evening.
Q9. What is used to observe shadows indoors?
Ans: A torch and a stick.
Q10. What happens to a shadow when the light source moves closer?
Ans: The shadow becomes bigger.
Q11. What is a sundial used for?
Ans: To tell time using shadows.
Q12. Who built the Jantar Mantar observatories?
Ans: Raja Jai Singh of Jaipur.
Q13. What is the sundial at Jantar Mantar called?
Ans: Samrat Yantra.
Q14. What is the largest object visible in the night sky?
Ans: The Moon.
Q15. What is a full Moon called in Hindi?
Ans: Poornima.
Q16. What is a new Moon called in Hindi?
Ans: Amavasya.
Q17. On which day is Diwali celebrated?
Ans: On Amavasya, when there is no Moon.
Q18. On which day is Guru Poornima celebrated?
Ans: On the full Moon day.
Q19. What is the name of India’s mission that landed on the Moon in 2023?
Ans: Chandrayaan (Vikram Lander).
Q20. On which date did India’s Vikram Lander land on the Moon?
Ans: 23 August 2023.