This site from the encyclopedia Wikipedia describes both the Autumn, or Fall, season as well as the reason for the season. Links are provided to information about the equinox and solstice associated with the season as well as a link to...

The shortest day of the year, or the winter solstice, marks the beginning of this season usually occurs around December 21. Bundle up because winter is a fantastic time to track animals and explore the outdoors!

While many of us consider it summer once school is released, this season technically begins with the summer solstice - the longest day of the year - on June 21 and continues until the fall equinox in September.

Take a tour of the Chaco Canyon archaeological site. The map takes you to the many dwellings and important astronomical sites. Virtual tours are available if you have Quick Time.

Ancient Chacoans used shadows to tell daily time and seasons. Build a model that demonstrates the changes in Earth's tilt that affect the length of shadows relative to the sun that determines the seasons. The lesson plan uses everyday...

In this interactive tutorial students will learn what causes the seasons, diurnal cycles and how the constellations move through the sky. Learn we are able to see other planets and how astronomical events affected life on the Earth.

[Free Registration/Login may be required to access all resource tools.] Describes how and why seasons occur.

Drawing of Stonehenge

[Free Registration/Login Required] An informational text about the longest and shortest days of the year in the United States. A question sheet is available to help students build skills in reading comprehension.

After listening to excerpts from four of the violin concertos from "The Four Seasons" by Italian composer and violinist, Antonio Vivaldi, decide which excerpt was meant to go with which season, and also decide where the earth would be in...

Students will collect, record, and graph the sunrise and sunset times to see how they change throughout the year.

This site provides a learning activity that can be adapted for all age levels that deals with the seasons. Students are asked to become a "season sleuth" and discover what causes the seasons to change.

Although this is a travel site, the information and detail it contains about Fort Ancient is very scholarly. Included are short videos about the area, and several maps.

The University of St. Andrews offers a biography of Zu Chongzhi, a Chinese astronomer and mathematician.

[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.

An explanation about the rotation of the Earth and why the Earth has seasons.

Christmas traditions are unique to each family. But we share a common origin of this special holiday. Learn about the fundamentals of this celebration at this Library of Congress site.

This site from the encyclopedia Wikipedia describes both the Autumn, or Fall, season as well as the reason for the season. Links are provided to information about the equinox and solstice associated with the season as well as a link to...

This site from the encyclopedia Wikipedia describes both the Autumn, or Fall, season as well as the reason for the season. Links are provided to information about the equinox and solstice associated with the season as well as a link to...

This site from the encyclopedia Wikipedia describes both the Autumn, or Fall, season as well as the reason for the season. Links are provided to information about the equinox and solstice associated with the season as well as a link to...

This site from the encyclopedia Wikipedia describes both the Autumn, or Fall, season as well as the reason for the season. Links are provided to information about the equinox and solstice associated with the season as well as a link to...

This site from the encyclopedia Wikipedia describes both the Autumn, or Fall, season as well as the reason for the season. Links are provided to information about the equinox and solstice associated with the season as well as a link to...

This site from the encyclopedia Wikipedia describes both the Autumn, or Fall, season as well as the reason for the season. Links are provided to information about the equinox and solstice associated with the season as well as a link to...

This site from the encyclopedia Wikipedia describes both the Autumn, or Fall, season as well as the reason for the season. Links are provided to information about the equinox and solstice associated with the season as well as a link to...