Practice

Keeping Time with the Skies — Practice

15 questions 15 min Recall + understand

Q1. In the opening of Chapter 11 of Class 8 Curiosity, where was Meera, and on what day did she notice the Moon during the daytime?
- A. In Jaipur on Diwali
- B. In Ahmedabad on Makar Sankranti, during the International Kite Festival
- C. In Kolkata on Durga Puja
- D. In Mumbai on Republic Day
Q2. The day when the Moon appears as a full bright circle is called
- A. New Moon day (Amavasya)
- B. Full Moon day (Purnima)
- C. Krishna Paksha
- D. Crescent day
Q3. The day when the Moon is not visible from the Earth is called
- A. Full Moon day (Purnima)
- B. New Moon day (Amavasya)
- C. Gibbous day
- D. Shukla Paksha
Q4. In India, the waxing period of the Moon (when the bright part is increasing) is generally called
- A. Krishna Paksha
- B. Shukla Paksha
- C. Adhika Maasa
- D. Amavasya
Q5. The waning period of the Moon, from full Moon until the Moon is not visible, is called in India
- A. Shukla Paksha
- B. Krishna Paksha
- C. Purnima
- D. Vasanta
Q6. The cycle from one full Moon to the next full Moon takes about
- A. One day
- B. One week
- C. One month
- D. One year
Q7. The Moon shines because it
- A. Burns like a small star
- B. Emits its own light
- C. Reflects sunlight that falls on it
- D. Is heated by Earth's atmosphere
Q8. The average time the Sun takes to go from its highest position in the sky on one day to its highest position the next day is called
- A. A sidereal day
- B. A mean solar day
- C. A lunar day
- D. A tropical day
Q9. The Moon takes about how many days to go through all its phases?
- A. 7 days
- B. 14 days
- C. 29.5 days
- D. 365 days
Q10. The Earth completes one revolution around the Sun in about
- A. 24 hours
- B. 29.5 days
- C. 365 days and 6 hours
- D. 100 years
Q11. In a lunar calendar, 12 lunar months add up to about how many days?
- A. 354 days
- B. 365 days
- C. 366 days
- D. 384 days
Q12. In the Gregorian calendar, an extra leap day is added in February when the year
- A. Has 13 months
- B. Is divisible by four
- C. Is divisible by seven
- D. Begins on a Monday
Q13. In some Indian luni-solar calendars, an extra month is added every few years to keep the calendar aligned with the seasons. This extra month is called
- A. Shaka
- B. Adhika Maasa
- C. Krishna Paksha
- D. Purnima
Q14. Diwali falls on the
- A. Full Moon of Phalguna
- B. New Moon of Kartika
- C. Full Moon of Vaisakha
- D. Tenth day of Ashwina
Q15. Who is known as the Father of the Indian Space programme?
- A. Meghnad Saha
- B. Vikram Sarabhai
- C. C. V. Raman
- D. Homi Bhabha

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