Earth and its seasons

Explains the reasons for the changes of seasons, vernal and autumnal equinoxes, and summer and winter solstices. Includes photography and animated drawings., Earth and its Seasons Produced by Almanac Films, IncPC: ALM Year published 1957 Grade Level: P I J H Distributed on media: 1 film reel (10 min.), optical sound, 16 mm. Color?B & W Length: 10 MIN Description: Revised edition of 'SUN, EARTH AND MOON.' Explains the factors controlling day and night and the changing seasons of the year., Earth and its Seasons Produced by Almanac Films, IncPC: ALM Year published 1957 Grade Level: P I J H Distributed on media: 1 film reel (10 min.), optical sound, 16 mm. Color?B & W Length: 10 MIN Description: Revised edition of 'SUN, EARTH AND MOON.' Explains the factors controlling day and night and the changing seasons of the year., Earth and its Seasons Produced by Almanac Films, IncPC: ALM Year published 1957 Grade Level: P I J H Distributed on media: 1 film reel (10 min.), optical sound, 16 mm. Color?B & W Length: 10 MIN Description: Revised edition of 'SUN, EARTH AND MOON.' Explains the factors controlling day and night and the changing seasons of the year.