4
Lightning
3
Chinese New Year
4
Amphibians
4
Chip's Tips on Laos
3
All About History
3
Rivers of the World
4
Maddy's Minnesota Diary
4
Chip's Tips on Russia
3
Inventors and Inventions
4
The Hmong People
4
America in the 20th Century
4
Maddy's Tennessee Diary
2
Evergreen Forests! Taiga
3
Bays of the World
3
Individual Sports
3
Space Exploration
4
Maddy's Connecticut Diary
4
Extreme Weather
4
Famous Americans: Benjamin Franklin
4
Patsy and Paul at Angkor Wat in Cambodia
2
Country Flags of Asia
4
Extreme Earth
3
Saturn
4
Maddy's California Diary
4
Maddy's Texas Diary
4
Volcanoes
2
Four Seasons! Deciduous Forest
4
Tornadoes
3
Gulfs of the World