3

Power

2

Flint Goes to the Doctor's Office

2

The Wonders of the Human Body

4

Chip's Tips on Algeria

3

Conquer the World

4

Gorillas and Other Primates

2

Flint Goes to the Library

2

Handling Food

3

Momentum

4

Sharks and Other Sea Life

3

Gravity

4

Chip's Tips on Chile

4

Famous Americans: Benjamin Franklin

4

Hurricanes

3

Jacques Cousteau

3

Fjords of the World

3

Diwali

3

William Shakespeare

3

All About History

4

Dr. Why-Physics

4

Maddy's Florida Diary

3

Lakes of the World

3

Rabindranath Tagore

4

Sources of Energy

4

Chip's Tips on Thailand

4

Maddy's New Mexico Diary

2

Flint Goes to the School Cafeteria

3

Space Exploration

4

Maddy's Alaska Diary

3

David Livingstone