Earth's orbit around the Sun and seasonal variations across hemispheres.

Let’s go step by step through each question using the diagram logic.

We know:
- Earth orbits the Sun in a counterclockwise direction (as shown by arrows).
- The tilt of Earth’s axis stays fixed in space — so when the North Pole is tilted toward the Sun, it’s summer in the Northern Hemisphere. When it’s tilted away, it’s winter there.
- Position A: North Pole tilted toward Sun → Northern Hemisphere = summer, Southern Hemisphere = winter.
- Position C: North Pole tilted away from Sun → Northern Hemisphere = winter, Southern Hemisphere = summer.
- Positions B and D: Equinoxes — equal day/night everywhere. Spring or fall depending on hemisphere and orbit direction.

Orbit order (counterclockwise):
Start at A → then B → then C → then D → back to A.

So:
- After A (summer NH) comes B → that’s autumn/fall in NH.
- Then C → winter in NH.
- Then D → spring in NH.
- Back to A → summer again.

Now let’s answer each question:

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1. At position A which hemisphere would have summer?
→ North Pole tilted toward Sun → Northern Hemisphere has summer.
✔ Answer: a. the Northern Hemisphere

2. At position A which hemisphere would have winter?
→ Opposite of above → Southern Hemisphere has winter.
✔ Answer: b. the Southern Hemisphere

3. At position C which hemisphere would have summer?
→ North Pole tilted away → South Pole tilted toward → Southern Hemisphere has summer.
✔ Answer: b. the Southern Hemisphere

4. At position C which hemisphere would have winter?
→ Northern Hemisphere has winter here.
✔ Answer: a. the Northern Hemisphere

5. At position B in the Northern Hemisphere it would be:
→ Coming after summer (A), before winter (C) → that’s fall/autumn.
✔ Answer: c. fall

6. At position D in the Northern Hemisphere it would be:
→ Coming after winter (C), before summer (A) → that’s spring.
✔ Answer: b. spring

7. When Earth is in position A which pole would have daylight for 24 hours?
→ North Pole is tilted toward Sun → gets 24-hour daylight (midnight sun).
✔ Answer: a. the North Pole

8. When Earth is in position C which pole would have nighttime (darkness) for 24 hours?
→ North Pole is tilted away → no sunlight → 24 hours darkness.
✔ Answer: a. the North Pole

Wait — let me double-check #8.

At position C: North Pole tilted AWAY from Sun → so North Pole is in constant darkness → yes, 24 hours night.

South Pole is tilted TOWARD → so it has 24 hours daylight.

Question asks: “which pole would have nighttime (darkness) for 24 hours?” → That’s the North Pole.

✔ So answer is still: a. the North Pole

But wait — let me check if I misread.

Position C: Northern Hemisphere winter → North Pole dark 24 hrs → correct.

Yes.

Final Answers:

1. a
2. b
3. b
4. a
5. c
6. b
7. a
8. a

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Final Answer:
1. a
2. b
3. b
4. a
5. c
6. b
7. a
8. a