Floods - Multiple Choice Quiz

In ancient Egypt the Nile River
1. brought nutrients that made the fields fertile
2. destroyed large areas of farming land every year
3. had to be regulated because it carried too much water
4. changed its course almost every year
The flooding of New Orleans in 2004 was caused by
1. a hurricane
2. a tornado
3. an earthquake
4. a tsunami
Flash floods are often caused
1. by thunderstorms
2. by rainfall over many days
3. dikes and dams that are too high
4. by river beds that are too high
The tsunami that killed over 250,000 people in south and southeast Asia in 2004 was caused by
1. an earthquake
2. a tropical storm
3. a hurricane
4. a volcanic explosion
Dikes and dams are lined up along the coast of the Netherlands
1. to keep ocean water out of the lower lying land
2. to generate electricity for its population
3. to change the course of rivers that flow into the North Sea
4. to keep storms away from the country
In alpine regions reservoirs are created
1. to regulate the flow of melting water from icefields
2. to get enough water into the main rivers
3. to give the alpine populations enough water
4. to make larger rivers smaller
Flooding in London is prevented by
1. a barrier that is raised and lowered
2. westerly winds
3. high dams along the Themes
4. gates in the western part of the city
When forests are cut or burned down
1. water can flow away very quickly and cause mudslides
2. rainfall can get into the ground more quickly
3. nutrients are washed deep into the soil
4. water stands in fields and cannot flow away