Forest fires move faster uphill than downhill.
52
The average ice berg weighs 20,000,000 tons!
54
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
Check your map! Virginia extends farther west than West Virginia.
67
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175