4

Windsor Castle, England

3

Magnetism

4

Chip's Tips on Egypt

2

The Three Little Pigs and the Power of Bricks

2

The Three Little Pigs and the Power of Bricks

1

Weather Signs

3

Saturn

3

Christopher Columbus

3

Neptune

4

Chip's Tips on Ghana

4

Extreme Weather

3

The Sun

4

The Willis Tower

4

Chip's Tips on Jamaica

4

Hurricanes