Science U
Science U: Reasons for the Seasons
This webpage uses diagrams and video to explain the causes of the seasons.
NASA
Nasa: Sci Jinks: What's a Solstice?
Find out how the Earth's tilted axis affects the seasons on the Earth.
Ohio State University
Beyond Penguins and Polar Bears: Common Misconceptions About Day and Night
Misconceptions about the causes of seasons and day and night are common through all ages. Use the information on this site to help your students understand these concepts. Included are links to many resources and lesson plans for...