NOVA

Mystery of the Megaflood

Student Handout

Comparison Items List


Eiffel Tower

1980 Mount St. Helens initial debris surge = 500 kilometers/hour

1993 Mississippi River flood, peak flow rate = .11 cu kilometers/hour

Chicago's O'Hare Airport = 28.3 square kilometers

Delaware = 6,447 square kilometers

Eiffel Tower = 321 meters

Empire State building = 381 meters

Football field (not including end zones) = 4,504 square meters

Goodyear blimp = 5,740 cubic meters

Highest posted Interstate limit (Texas, 2005) = 129 kilometers/hour

HMS Titanic = 232,000 cubic meters (tanker equivalent)

Lake Erie = 483 cubic kilometers

Lake Superior = 12,230 cubic kilometers

Maine = 91,700 square kilometers

Marathon race, standard = 42.2 kilometers

Minimum hurricane = 121 kilometers/hour

Mississippi River daily output = 1.4 cubic kilometers

Mississippi River, northern Minnesota to New Orleans = 3,705 kilometers

Mount Everest = 8,850 meters high

New York City to Washington, D.C. = 386 kilometers

Niagara Falls (Horseshoe Falls only) = 792 meters wide

Niagara Falls (Horseshoe Falls only) = 51 meters high

Ohio = 116,500 square kilometers

Peak of a two-story house = 10 meters high

Rhode Island = 2,707 square kilometers

San Francisco's Golden Gate Bridge, shore to shore = 2.7 kilometers

Semi-truck trailer (15 meters) = 102 cubic meters

Space shuttle shortly after entering atmosphere = 28,200 kilometers/hour

Tennis court, between base lines = 23.8 meters

Texas = 713,300 square kilometers

World-class sprinter, hundred meter dash (Asafal Powell, 2005) = 36.9 kilometers/hour

Utility pole, common = 11 meters high

Washington Monument = 170 meters high



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