4

Table Mountain, South Africa

2

Country Flags of South America

4

Chip's Tips on South Africa

4

Maddy's South Dakota Diary

4

Maddy's South Carolina Diary

4

Maddy's Texas Diary

3

The Earth

3

Christopher Columbus

4

Amphibians

2

Map of the United States of America

3

Coastal Plains of the World

4

Chip's Tips on Rwanda

4

Early Native Americans

3

Saturn

4

Polar

3

Kwanzaa

4

Maddy's Minnesota Diary

4

Chip's Tips on Yemen

4

Chip's Tips on Brazil

2

How Seasons Occur

4

Chip's Tips on Chile

4

Grand Canyon

4

Maddy's Nebraska Diary

4

Chip's Tips on Botswana

3

Straits of the World

4

Maddy's Georgia Diary

4

Chip's Tips on India

4

Chip's Tips on Laos

4

Maddy's Wyoming Diary

3

Canyons of the World