Resources

The Angle of Suns Rays:
http://www.phy6.org/stargaze/Sunangle.htm

The Sun and Seasons:
http://www.physics.weber.edu/schroeder/ua/SunAndSeasons.html

The Seasons:
http://csep10.phys.utk.edu/astr161/lect/time/seasons.html

The Seasons and Axis Tilt:
http://www.enchantedlearning.com/subjects/astronomy/planets/earth/Seasons.shtml