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Understanding Seasons: Earth's Tilt and Its Impact on Weather Patterns

Seasons are a result of Earth's axial tilt, causing varying angles of sunlight. During summer in the Northern Hemisphere (around June 20 or 21), the North tilts toward the Sun, resulting in longer days and hotter temperatures, while the Southern Hemisphere experiences winter. Conversely, around December 20 or 21, the North tilts away, leading to winter, and the South experiences summer. Equinoxes and solstices mark the transitions between seasons, with equal day and night during equinoxes and significant variations in daylight during solstices.

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Understanding Seasons: Earth's Tilt and Its Impact on Weather Patterns

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  1. Seasons and Special Dates

  2. Cause of Seasons • Seasons caused by tilt of Earth. • North and South opposite seasons opposite tilts • Tilt towards = More direct rays = hotter = summer • Tilt away = Less direct rays = colder = winter

  3. June 20 or 21 • North Tilts towards, South Tilts away. • North – 1st day summer, South – 1st day winter • North- Summer Solstice, South-Winter solstice • North- More daytime South- More Night Sun

  4. September 20/21 • North and South not towards or away • North 1st day fall South first day spring • North Autumnal equinox South Vernal equinox • Equal day and night

  5. December 20/21 • North tilts away South tilts towards • North 1st day winter South 1st day summer • North winter solstice South Summer solstice • North more Night South More Day

  6. March 20/21 • North and South not towards or away • North 1st day spring South first day fall • North Vernal equinox South Autumnal equinox • Equal day and night

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