Rotation and Revolution - Practice Test 5

Attempt the quiz above first, then review every question with its correct answer and a short explanation below.

1. Q1.Which planet rotates on its side (98° tilt)?

   • A.Uranus✓ Correct Answer
   • B.Neptune
   • C.Saturn
   • D.Mars

   Explanation: Uranus has an extreme axial tilt, causing extreme seasons.

2. Q2.Rotation helps in defining which cardinal directions?

   • A.East and West✓ Correct Answer
   • B.North and South
   • C.Up and Down
   • D.Left and Right

   Explanation: The axis defines N/S, but rotation direction defines East (Sunrise) and West.

3. Q3.What is the shape of Earth's orbit?

   • A.Elliptical✓ Correct Answer
   • B.Circular
   • C.Parabolic
   • D.Hyperbolic

   Explanation: Kepler's First Law states planetary orbits are ellipses.

4. Q4.Due to Earth's revolution, the stars appear to shift slightly. This is called:

   • A.Stellar Parallax✓ Correct Answer
   • B.Redshift
   • C.Precession
   • D.Nutation

   Explanation: Parallax is the apparent shift of position of any object due to the change in the observer's position.

5. Q5.Between Equinox and Solstice, how many months pass?

   • A.3 months✓ Correct Answer
   • B.6 months
   • C.1 month
   • D.4 months

   Explanation: March (Eq) -> June (Sol) is 3 months.

6. Q6.Daylight saving time (advancing clocks) is used to utilize longer days caused by:

   • A.Revolution and Tilt✓ Correct Answer
   • B.Rotation speed
   • C.Moon phases
   • D.Tides

   Explanation: Summer days are longer due to revolution/tilt; DST shifts daylight to evening.

7. Q7.The speed of Earth's rotation ___ from equator to poles.

   • A.Decreases✓ Correct Answer
   • B.Increases
   • C.Remains constant
   • D.Fluctuates

   Explanation: Linear speed decreases as the circumference of latitude decreases.

8. Q8.During a leap year, the year has how many days?

   • A.366✓ Correct Answer
   • B.365
   • C.365.5
   • D.364

   Explanation: One extra day makes it 366.

9. Q9.A century year (like 1900, 2000) is a leap year only if it is divisible by:

   • A.400✓ Correct Answer
   • B.100
   • C.4
   • D.1000

   Explanation: Century years must be divisible by 400. 2000 was a leap year; 1900 was not.

10. Q10.The sun rises in the West on which planet?

    • A.Venus✓ Correct Answer
    • B.Mars
    • C.Jupiter
    • D.Earth

    Explanation: Venus rotates retrograde (East to West), so Sun rises in West.

11. Q11.The apparent annual path of the Sun in the sky is called:

    • A.Ecliptic✓ Correct Answer
    • B.Equator
    • C.Zenith
    • D.Meridian

    Explanation: The Ecliptic is the path the Sun appears to trace through the stars.

12. Q12.Which of these is NOT an effect of Revolution?

    • A.Day and Night cycle✓ Correct Answer
    • B.Seasons
    • C.Variation in day length
    • D.Yearly calendar

    Explanation: Day and Night cycle is caused by Rotation.

13. Q13.Which of these is NOT an effect of Rotation?

    • A.Change of Seasons✓ Correct Answer
    • B.Day and Night
    • C.Tides
    • D.Coriolis Force

    Explanation: Change of Seasons is caused by Revolution.

14. Q14.The difference between a Solar Day and a Sidereal Day is approx:

    • A.4 minutes✓ Correct Answer
    • B.1 hour
    • C.12 hours
    • D.1 day

    Explanation: About 3 minutes 56 seconds (approx 4 mins).

15. Q15.The phenomenon of 'Equinox' occurs when the Sun is directly over:

    • A.The Equator✓ Correct Answer
    • B.Tropic of Cancer
    • C.Tropic of Capricorn
    • D.The Poles

    Explanation: Sun is vertical at the equator during Equinoxes.

16. Q16.The tilt of the Earth creates zones called:

    • A.Heat Zones / Climate Zones✓ Correct Answer
    • B.Time Zones
    • C.Seismic Zones
    • D.Magnetic Zones

    Explanation: Torrid, Temperate, and Frigid zones are defined by the tilt and revolution.

17. Q17.At the poles, the sun rises and sets:

    • A.Once a year✓ Correct Answer
    • B.Once a day
    • C.Never
    • D.Twice a year

    Explanation: Poles have 6 months of daylight (sun doesn't set) and 6 months of night (sun doesn't rise). So essentially one sunrise and one sunset per year.

18. Q18.In the Southern Hemisphere, the shortest day is:

    • A.June 21✓ Correct Answer
    • B.December 22
    • C.March 21
    • D.September 23

    Explanation: June 21 is Summer Solstice (longest day) in North, but Winter Solstice (shortest day) in South.

19. Q19.Which movement causes the 'bulge' at the equator?

    • A.Rotation✓ Correct Answer
    • B.Revolution
    • C.Precession
    • D.Nutation

    Explanation: Rotation creates centrifugal force, pushing mass outward at the equator.

20. Q20.The time of sunrise varies throughout the year due to:

    • A.Inclination of axis and Revolution✓ Correct Answer
    • B.Rotation only
    • C.Distance of Sun
    • D.Speed of Rotation

    Explanation: The tilt and revolution change the sun's rising position and time.