CK-12 Foundation
Ck 12: Plix: Seasons
[Free Registration/Login Required] View how the axis of rotation causes Earth to have seasons on this site. Also test your knowledge on how the position of Earth and seasons relate with a short quiz.
CK-12 Foundation
Ck 12: Plix: Seasons
[Free Registration/Login Required] This site contains an animation showing how the seasons are produced by the tilt of Earth's rotating axis. Site also includes a short quiz over the topic of seasons.