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Everyday Science: Flood Quiz
by Staff
Floods hold a prominent spot in the creation myths of many cultures, and today they kill more people every year than any other weather phenomenon. How much do you know about floods?

What caused the famous 1889 flood in Johnstown, Pa.?

  • sudden ice melt in the Allegheny Mountains
  • Hurricane Clara
  • a broken dam

The Arno River flooded in _____, causing major damage to the art collections of Florence, Italy.

  • 1884
  • 1912
  • 1966

What's a muddy flood?

  • a flood caused by runoff on farmland
  • a flood caused by a landslide
  • obviously, a flood with a lot of mud in it

One of the world's largest moving structures is a flood barrier. Where is it located?

  • Egypt
  • New Orleans
  • the Netherlands

According to the National Flood Insurance Program, what's the chance of the average American home sustaining flood damage in the course of a 30-year mortgage?

  • 14 percent
  • 26 percent
  • 48 percent

What should you do if a flash flood is approaching you?

  • Climb to higher ground any way you can.
  • Run as fast as you can.
  • Go limp and let the flood waters carry you.

How much rapidly moving water can knock a person down?

  • 3 inches (8 centimeters)
  • 6 inches (15 centimeters)
  • 1 foot (30 centimeters)

In the floods of 1993, how many of the Mississippi River's 1,300 levees failed?

  • 3
  • 86
  • 1,000

What percentage of the city of New Orleans was flooded after Hurricane Katrina in 2005?

  • 30 percent
  • 50 percent
  • 80 percent

How high was the wall of water that hit Shadyside, Ohio, in a flash flood on June 14, 1990?

  • 9 to 12 feet (2.7 to 3.6 meters)
  • 12 to 15 feet (3.6 to 4.5 meters)
  • 15 to 20 feet (4.5 to 6 meters)