4

Lightning

4

Volcanoes

3

All About History

3

Individual Sports

2

Four Seasons! Deciduous Forest

4

Petronas Twin Towers, Malaysia

3

Gulfs of the World

4

Maddy's Tennessee Diary

4

Chip's Tips on Laos

4

America in the 20th Century

4

Maddy's Connecticut Diary

2

The Pair in the Air, Lovebugs

4

Maddy's Minnesota Diary

4

Extreme Earth

4

Maddy's Texas Diary

4

Tornadoes

4

The Hmong People

2

Country Flags of Asia

4

Amphibians

2

Evergreen Forests! Taiga

4

Extreme Weather

4

Famous Americans: Benjamin Franklin

3

Inventors and Inventions

3

Rivers of the World

3

Saturn

3

Space Exploration

4

Maddy's California Diary

3

Bays of the World

3

Chinese New Year

4

Patsy and Paul at Angkor Wat in Cambodia