1. What causes the change of seasons on Earth?
A) The Earth’s distance from the Sun
B) The tilt of the Earth’s axis
C) The Moon’s gravitational pull
D) Solar flares
Answer: B) The tilt of the Earth’s axis
2. What is the angle of tilt of the Earth’s axis relative to its orbital plane?
A) 0°
B) 23.5°
C) 45°
D) 66.5°
Answer: B) 23.5°
3. Which season occurs in the Northern Hemisphere when the North Pole is tilted toward the Sun?
A) Winter
B) Spring
C) Summer
D) Autumn
Answer: C) Summer
4. During which day does the Northern Hemisphere experience the longest day of the year?
A) March Equinox
B) June Solstice
C) September Equinox
D) December Solstice
Answer: B) June Solstice
5. Which day marks the beginning of winter in the Northern Hemisphere?
A) June 21
B) March 21
C) September 23
D) December 21
Answer: D) December 21
6. What is the name of the day when day and night are approximately equal all over the Earth?
A) Solstice
B) Equinox
C) Aphelion
D) Perihelion
Answer: B) Equinox
7. In which month does the Southern Hemisphere experience summer?
A) June
B) December
C) March
D) September
Answer: B) December
8. Why are summers hotter than winters?
A) Earth is closer to the Sun in summer
B) The Sun emits more energy in summer
C) Sunlight strikes the surface more directly in summer
D) Days are shorter in summer
Answer: C) Sunlight strikes the surface more directly in summer
9. Which season is characterized by equal day and night?
A) Spring and Autumn
B) Summer and Winter
C) Only Autumn
D) Only Spring
Answer: A) Spring and Autumn
10. The Earth completes one orbit around the Sun in approximately:
A) 24 hours
B) 30 days
C) 365 days
D) 1000 days
Answer: C) 365 days
11. During the December solstice, which hemisphere is tilted away from the Sun?
A) Northern Hemisphere
B) Southern Hemisphere
C) Equator
D) Both Hemispheres
Answer: A) Northern Hemisphere
12. The tropics are regions where the Sun can be directly overhead. Which tropic lies north of the equator?
A) Tropic of Capricorn
B) Tropic of Cancer
C) Equator
D) Arctic Circle
Answer: B) Tropic of Cancer
13. Which solstice marks the shortest day of the year in the Northern Hemisphere?
A) March Solstice
B) June Solstice
C) September Solstice
D) December Solstice
Answer: D) December Solstice
14. How many solstices occur in a year?
A) One
B) Two
C) Three
D) Four
Answer: B) Two
15. When the Sun is directly over the Equator, it results in:
A) Solstice
B) Equinox
C) Lunar eclipse
D) Solar eclipse
Answer: B) Equinox
16. In which season do days get shorter and nights get longer in the Northern Hemisphere?
A) Summer
B) Autumn
C) Spring
D) Winter
Answer: B) Autumn
17. The phenomenon of the Midnight Sun occurs in which regions?
A) Equator
B) Tropic of Cancer
C) Polar Regions
D) Temperate Regions
Answer: C) Polar Regions
18. Which of the following is NOT a reason for seasonal variations?
A) Earth’s axial tilt
B) Earth’s rotation
C) Earth’s revolution
D) Distance from the Sun (minor effect)
Answer: B) Earth’s rotation
19. During which equinox does the Northern Hemisphere enter spring?
A) March Equinox
B) June Equinox
C) September Equinox
D) December Equinox
Answer: A) March Equinox
20. Which hemisphere experiences autumn when it is spring in the other hemisphere?
A) Northern
B) Southern
C) Equator
D) Both
Answer: B) Southern
21. The Sun appears to rise north of east during which season in the Northern Hemisphere?
A) Summer
B) Winter
C) Autumn
D) Spring
Answer: A) Summer
22. What is perihelion?
A) When Earth is farthest from the Sun
B) When Earth is closest to the Sun
C) When day and night are equal
D) When seasons change
Answer: B) When Earth is closest to the Sun
23. What is aphelion?
A) When Earth is farthest from the Sun
B) When Earth is closest to the Sun
C) Winter solstice
D) Spring equinox
Answer: A) When Earth is farthest from the Sun
24. Which region has the least seasonal temperature variation?
A) Polar
B) Temperate
C) Tropical
D) Arctic
Answer: C) Tropical
25. Why do equatorial regions experience almost no seasons?
A) They are far from the Sun
B) Sunlight is always nearly direct
C) The Earth’s tilt doesn’t affect them
D) Both B and C
Answer: D) Both B and C
26. During which solstice does the Southern Hemisphere have the longest day?
A) June Solstice
B) December Solstice
C) March Equinox
D) September Equinox
Answer: B) December Solstice
27. Which effect is responsible for longer daylight hours in summer?
A) Tilt of the Earth’s axis
B) Earth’s orbit shape
C) Moon’s gravitational pull
D) Atmospheric refraction
Answer: A) Tilt of the Earth’s axis
28. When do the Sun’s rays fall directly on the Tropic of Capricorn?
A) March Equinox
B) June Solstice
C) September Equinox
D) December Solstice
Answer: D) December Solstice
29. Which latitude receives vertical sunlight at the June solstice?
A) Equator
B) Tropic of Cancer
C) Tropic of Capricorn
D) Arctic Circle
Answer: B) Tropic of Cancer
30. Seasons are opposite in the Northern and Southern Hemispheres because:
A) Earth rotates in opposite directions
B) The Sun moves around the Earth
C) Earth’s axial tilt remains fixed while orbiting the Sun
D) The Moon affects sunlight differently
Answer: C) Earth’s axial tilt remains fixed while orbiting the Sun