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