4

Windsor Castle, England

4

Stonehenge, England

4

Canterbury Cathedral, Canterbury, England

4

Hadrian's Wall, England

3

Lazy Jack

3

Team Sports

3

Momentum

3

Thanksgiving Day

3

Inertia

3

Malala Yousafzai

3

May Day

3

Gravity

4

Chip's Tips on Jamaica

4

Buckingham Palace, London

3

Stealing Sally

4

The Anglo-Saxon Invasion of Britain

3

Meteorites, Meteoroids, and Meteors

3

Mahatma Gandhi

3

Pressure

4

Maddy's Maine Diary

3

Work

4

Maddy's Delaware Diary

4

Maddy's Vermont Diary

4

Maddy's Rhode Island Diary

3

Christopher Columbus

3

Florence Nightingale

3

Rabindranath Tagore

3

Isaac Newton

3

St. Patrick's Day

3

Daniel Boone