4
Earthquakes
4
Washington Monument
4
I'm a Poet...But I Didn't Know It!
3
William Shakespeare
3
Jacques Cousteau
4
Famous Americans: Abraham Lincoln
4
Maddy's Florida Diary
4
Maddy's Washington, D.C. Diary
3
Roald Amundsen
4
Extreme Weather
4
Maddy's Iowa Diary
3
Harriet Tubman
4
How they work? Motor Vehicles
3
Houses from around the World
4
Maddy's Massachusetts Diary
3
Puppet Power!
4
Eire of the Desert
4
Maddy's Arizona Diary
4
Maddy's Virginia Diary
3
The Moon
3
Christopher Columbus
3
Zheng He
4
An Introduction to the History of the United States of America
3
Light
4
Tropical Rainforest
4
Gateway Arch
3
Cinco de Mayo
4
Sharks and Other Sea Life
4
Chip's Tips on Finland
3
A Date with the Dentist