Keeping Time with the Skies MCQ: 8th Science Chapter 11

Boost your CBSE exam preparation with our Class 8 Science Chapter 11 – Keeping Time with the Skies MCQ Test. This free quiz is prepared from NCERT textbooks, aligned with the CBSE syllabus, and supported by educational videos and Vidyalite’s Flashcards. It covers key topics such as apparent motion of the Sun, Moon, and stars, ancient methods of timekeeping, sundials, water clocks, modern time measurement devices, and their significance in daily life. Ideal for quick revision, conceptual clarity, and improving exam performance.

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Time: 10 Minutes for 10 Question.

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8th Science: Keeping Time with the Skies

1 / 10

1. What is the basis of a leap year in the Gregorian calendar?

Moon cycles

Earth's rotation

Earth's revolution taking ~365.25 days

Solar eclipses

2 / 10

2. What is the duration of one full cycle of Moon phases?

One week

One year

About a month

15 days

3 / 10

3. What are artificial satellites mainly used for?

Blocking sunlight

Destroying meteors

Orbiting the Moon

Communication and research

4 / 10

4. What is the length of a mean solar day?

12 hours

23 hours

24 hours

25 hours

5 / 10

5. What event is the lunar calendar based on?

Earth's orbit around Sun

Moon's phases

Solar eclipses

Planetary motion

6 / 10

6. What is ISRO’s satellite for Earth imaging and disaster response?

Mangalyaan

Cartosat

Aditya L1

AstroSat

7 / 10

7. Which natural cycle defines a "day"?

Earth’s revolution around Sun

Earth’s rotation on its axis

Moon’s revolution

Sun’s movement in sky

8 / 10

8. Why don’t lunar eclipses occur every full Moon?

Earth’s shadow is weak

Moon's orbit is tilted

Sun blocks the view

Moon disappears

9 / 10

9. What do we call the changing shapes of the Moon seen from Earth?

Moonlight

Moon cycle

Lunar eclipse

Phases of the Moon

10 / 10

10. When does a new Moon occur?

When the Moon is fully visible

When no sunlight reaches Earth

When Earth’s shadow blocks the Moon

When the non-illuminated side faces Earth

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