Flood
Floods can result from rain, rivers, storm surge, or dam failure. This topic is part of Earth Science within Science & Nature. This page currently draws on 24 supporting questions, with answers and bonus facts available below.
Flood trivia questions
A flood occurs when water covers land that is usually what?
Answer: Dry
Bonus fact: Floods can result from rain, rivers, storm surge, or dam failure.
What flat area beside a river is naturally prone to flooding?
Answer: Floodplain
Bonus fact: Floodplains receive overflow during high river stages.
What structural barrier is built along rivers to reduce flooding?
Answer: Levee
Bonus fact: Levees help contain high water within channels.
An earthquake, hurricane, or flood that causes severe damage can be called what?
Answer: Disaster
Bonus fact: Disasters are serious disruptions that cause widespread human, economic, or environmental losses.
River floodplains often become fertile because floods deposit what?
Answer: Silt
Bonus fact: Fine mineral sediment can enrich soils.
Why are flash floods a major canyoning hazard?
Answer: Narrow canyons can fill with water rapidly
Bonus fact: Steep drainage basins can funnel sudden runoff into confined channels.
A flood barrier is designed to hold back what?
Answer: Water
Bonus fact: Flood barriers protect land and structures.
What is a temporary flood barrier commonly made from?
Answer: Sandbags
Bonus fact: Sandbags can be stacked to redirect floodwater.
A levee is what type of flood-control structure?
Answer: Raised embankment
Bonus fact: Levees confine rivers during high water.
What risk can arise if a levee fails during a major flood?
Answer: Rapid flooding of protected land
Bonus fact: Communities behind levees may be below flood level.
What type of estuary forms when rising sea level floods an existing river valley?
Answer: Drowned river valley estuary
Bonus fact: Many North American coastal-plain estuaries formed after the last ice age.
Which band released "Wake of the Flood"?
Answer: Grateful Dead
Bonus fact: Released in 1973, it was the first Grateful Dead studio album on the band's own record label.