4

Canterbury Cathedral, Canterbury, England

3

Motion

3

Malala Yousafzai

3

Mahatma Gandhi

3

Charles Darwin

3

Work

3

Rivers of the World

3

The Old Lady and Her Pig

4

Buckingham Palace, London

4

The American Revolution

4

The Anglo-Saxon Invasion of Britain

4

Early North American Settlers

3

Pressure

3

Florence Nightingale

3

William Shakespeare

4

Maddy's Vermont Diary

3

Daniel Boone

3

St. Patrick's Day

3

Stealing Sally

3

May Day

3

Lazy Jack

4

Money

3

Force

3

Thanksgiving Day

3

Isaac Newton

3

Gravity

4

Maddy's Massachusetts Diary

4

Chip's Tips on Jamaica

3

Chinese New Year

3

Meteorites, Meteoroids, and Meteors