https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:earth-systems-and-resources/x0b0e430a38ebd23f:earths-seasons/v/seasons-ms 2025-08-08T21:39:42.49220884Z Seasons Earth's seasons are not dictated by its distance from the Sun, but rather by its axial tilt. The angle of the Sun's rays determines the intensity of solar radiation, with the equator receiving the highest intensity. This tilt also causes variations in daylight hours, contributing to the change of seasons. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/e5e05c6f-6bcf-4242-8b4b-8e2c8a86de9d_1280_720_base.png Seasons Earth's seasons are not dictated by its distance from the Sun, but rather by its axial tilt. The angle of the Sun's rays determines the intensity of solar radiation, with the equator receiving the highest intensity. This tilt also causes variations in daylight hours, contributing to the change of seasons. https://cdn.kastatic.org/ka-youtube-converted/0r9Lc7oYq5M.mp4/0r9Lc7oYq5M.mp4 306 Effects of Earth's revolution, rotation, and tilt https://www.khanacademy.org/science/cosmology-and-astronomy/earth-history-topic/earth-title-topic/v/seasons-aren-t-dictated-by-closeness-to-sun 2021-04-12T12:34:14Z Seasons aren't dictated by closeness to sun Why our closeness to the sun does not dictate the seasons Sal Khan video https://cdn.kastatic.org/googleusercontent/O5RJ-uooWimBhoFHzHsdrNiIZSukWb9kjzCZUsL2bMGGcLwnq7paVTg4IZms9XkAQi8QlAiayksyGBHHdxxoWQNHyQ Seasons aren't dictated by closeness to sun Why our closeness to the sun does not dictate the seasons https://cdn.kastatic.org/ka-youtube-converted/SJUd5du0T08.mp4/SJUd5du0T08.mp4 279 Effects of Earth's revolution, rotation, and tilt https://www.khanacademy.org/science/cosmology-and-astronomy/earth-history-topic/earth-title-topic/v/how-earth-s-tilt-causes-seasons 2021-04-29T19:30:40Z How Earth's tilt causes seasons How Earth's tilt causes seasons Sal Khan video https://cdn.kastatic.org/googleusercontent/K9UXKCl1RzBx4ixuOkDXjrhe8iZ8yKCR-RohCF4pp551J6nqA8I7f4R6zUG9JPU13oR2KUF46T8ppVSd0ZLch0DK How Earth's tilt causes seasons How Earth's tilt causes seasons https://cdn.kastatic.org/ka-youtube-converted/05qDIjKevJo.mp4/05qDIjKevJo.mp4 1247 Effects of Earth's revolution, rotation, and tilt https://www.khanacademy.org/science/middle-school-earth-and-space-science/x87d03b443efbea0a:weather-and-climate/x87d03b443efbea0a:regional-climates/v/regional-climates 2022-09-02T03:41:50.062152793Z Regional climates Climate is the long-term pattern of weather in a particular region. A region’s climate is influenced by many factors, including latitude, elevation, and nearby geographic features (such as oceans or mountains). Khan Academy video https://cdn.kastatic.org/ka_thumbnails_cache/55f13102-6b0e-4e0b-bef3-bb5d26f4fdb0_1280_720_base.png Regional climates Climate is the long-term pattern of weather in a particular region. A region’s climate is influenced by many factors, including latitude, elevation, and nearby geographic features (such as oceans or mountains). https://cdn.kastatic.org/ka-youtube-converted/a9muG72XZ18.mp4/a9muG72XZ18.mp4 297 Effects of Earth's revolution, rotation, and tilt https://www.khanacademy.org/science/cambridge-o-level-physics-cie/x0e04e0cb682fb793:space-science/x0e04e0cb682fb793:the-earth/e/understand-seasons 2026-04-26T16:30:39.382257956Z Understand: Seasons Check your understanding of seasons in this set of free practice questions aligned to NGSS standards. Khan Academy exercise https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:earth-systems-and-resources/x0b0e430a38ebd23f:earths-seasons/a/solar-radiation-and-earths-seasons 2026-06-25T14:10:39.916233732Z Key points: Solar radiation and Earth's seasons Review your understanding of solar radiation and Earth's seasons in this free article aligned to AP standards. article