4

Hadrian's Wall, England

4

Canterbury Cathedral, Canterbury, England

4

Windsor Castle, England

4

Stonehenge, England

3

Daniel Boone

3

St. Patrick's Day

3

Malala Yousafzai

3

Pressure

4

The American Revolution

3

Lazy Jack

3

Force

3

Motion

3

Stealing Sally

4

Maddy's Delaware Diary

3

William Shakespeare

3

The Old Lady and Her Pig

3

May Day

3

Work

4

The Anglo-Saxon Invasion of Britain

4

Money

3

Gravity

3

Inertia

3

Team Sports

3

Charles Darwin

3

Momentum

3

Florence Nightingale

4

Maddy's Massachusetts Diary

3

Mahatma Gandhi

4

Maddy's New York Diary

4

Maddy's Maine Diary