Practice

Earth, Moon, and the Sun — Practice

15 questions 15 min Recall + understand

Q1. The motion of the Earth in which all its parts move in circles around an imaginary line passing through it is called
- A. Revolution
- B. Rotation
- C. Orbit
- D. Tilt
Q2. The Earth completes one rotation on its own axis in about
- A. 12 hours
- B. 24 hours
- C. 27 days
- D. 365 days
Q3. The Earth's axis of rotation passes through
- A. The Equator only
- B. The Equator and the Equinox points
- C. The geographic North Pole and South Pole
- D. Mount Everest and the Mariana Trench
Q4. The Earth rotates on its own axis from
- A. East to West
- B. North to South
- C. South to North
- D. West to East
Q5. Due to the rotation of the Earth, the Sun appears to
- A. Rise in the East and set in the West
- B. Rise in the West and set in the East
- C. Stay fixed overhead all day
- D. Rise in the North and set in the South
Q6. Revolution is the motion of an object
- A. On its own axis
- B. Around another object
- C. Up and down in a line
- D. From rest into a straight path
Q7. The Earth completes one revolution around the Sun in about
- A. 24 hours
- B. 27 days
- C. 365 days and 6 hours
- D. 76 years
Q8. The Earth's axis of rotation, with respect to its orbit, is
- A. Exactly upright
- B. Lying flat on the orbit
- C. Tilted
- D. Constantly changing direction every month
Q9. In the Northern Hemisphere, the longest day of the year occurs around
- A. 21 March
- B. 21 June
- C. 23 September
- D. 22 December
Q10. The shortest day and the longest night in the Northern Hemisphere occur around
- A. 21 March
- B. 21 June
- C. 23 September
- D. 22 December
Q11. A solar eclipse occurs when
- A. The Earth comes between the Sun and the Moon
- B. The Sun comes between the Earth and the Moon
- C. The Moon comes between the Sun and the Earth and blocks sunlight
- D. Stars block the Sun briefly
Q12. A lunar eclipse occurs when
- A. The Moon comes between the Sun and the Earth
- B. The Earth comes between the Sun and the Moon and blocks sunlight from reaching the Moon
- C. Venus passes in front of the Sun
- D. The Sun stops shining briefly
Q13. During a solar eclipse, the Sun must NOT be viewed
- A. Through a specialised solar-eclipse goggle
- B. Through an arrangement organised by a planetarium
- C. Directly with the naked eye or through sunglasses, binoculars or telescopes
- D. Through a mirror projecting the Sun's image onto a wall
Q14. Unlike a solar eclipse, a lunar eclipse
- A. Can be safely watched with the naked eye
- B. Damages the eyes if seen directly
- C. Can be seen only through a solar filter
- D. Cannot be seen from Earth at all
Q15. The Kodaikanal Solar Observatory, established in 1899, is located in
- A. The Aravalli range of Rajasthan
- B. The Palani range of hills in southern India
- C. The Shivalik range of Uttarakhand
- D. The Anaimalai range of Andhra Pradesh

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