4

Lightning

2

Four Seasons! Deciduous Forest

3

Chinese New Year

4

Volcanoes

4

Chip's Tips on Russia

4

Extreme Earth

4

Maddy's Tennessee Diary

3

Space Exploration

4

America in the 20th Century

3

All About History

2

Country Flags of Asia

4

Maddy's California Diary

3

Bays of the World

3

Rivers of the World

2

Evergreen Forests! Taiga

3

Individual Sports

3

Gulfs of the World

4

Maddy's Connecticut Diary

4

Maddy's Minnesota Diary

3

Saturn

4

The Hmong People

4

Extreme Weather

4

Amphibians

4

Maddy's Texas Diary

4

Tornadoes

4

Chip's Tips on Laos

4

Patsy and Paul at Angkor Wat in Cambodia

4

Famous Americans: Benjamin Franklin

3

Inventors and Inventions