Interpret: Plate B is a typical northern hemisphere location, and plate F is a typical southern hemisphere location. Highlight the answer to each question below.

Question

On plate B, which season is Time A? Start of summer Start of winter

On B, which season is Time A + 6 months? Start of summer Start of winter

On F, which season is Time A? Start of summer Start of winter

On F, which season is Time A + 6 months? Start of summer Start of winter

In general, how are seasons in the northern hemisphere related to seasons in the southern
hemisphere?
When it is summer in the northern hemisphere, it is winter in the southern hemisphere, and vice versa. Seasons are opposite in the two hemispheres.

Apply: December 21 and June 21 are important dates called solstices. The winter solstice is the shortest day of the year. The summer solstice is the longest day of the year.
Highlight the answer to each question below.

Which date does Time A represent? June 21 December 21

This date is the winter solstice in the northern hemisphere, and the summer solstice in the southern hemisphere.

Which date does Time A + 6 months represent? June 21 December 21

This date is the summer solstice in the northern hemisphere, and the winter solstice in the southern hemisphere.

Summarize: Based on what you have seen, what causes the seasons?

Answer 1

Interpret:

On plate B, which season is Time A? Start of summer

On B, which season is Time A + 6 months? Start of winter

On F, which season is Time A? Start of winter

On F, which season is Time A + 6 months? Start of summer

In general, how are seasons in the northern hemisphere related to seasons in the southern hemisphere?
When it is summer in the northern hemisphere, it is winter in the southern hemisphere, and vice versa. Seasons are opposite in the two hemispheres.

---

Apply:

Which date does Time A represent? June 21

This date is the winter solstice in the northern hemisphere, and the summer solstice in the southern hemisphere.

Which date does Time A + 6 months represent? December 21

This date is the summer solstice in the northern hemisphere, and the winter solstice in the southern hemisphere.

---

Summarize:
Based on what you have seen, what causes the seasons?
The seasons are caused by the tilt of the Earth's axis as it orbits the Sun. This tilt affects the angle at which sunlight reaches different parts of the Earth, leading to variations in temperature and daylight throughout the year.