WorksheetsChestertonCC - Geo - Flooding - management
Total questions: 15
Worksheet time: 8mins
'Barriers built across rivers to stop the flow of water'.
Which flood management strategy is this?
Dams
Embankments
Dredging
Afforestation
Dams lead to high river discharge downstream.
True
False
Dams are an expensive flood management strategy. True or false?
True
False
'Removing sand, mud and rocks from the river bed'. Which flood management strategy is this?
Dams
Embankments
Dredging
Afforestation
Does dredging increase or decrease river capacity?
Increase
Decrease
Which of these is a disadvantage of dredging rivers?
It is expensive.
It has to be done frequently.
It creates new habitats.
It looks unsightly.
Which flood management strategy does the picture show?
Flood warnings
Floodplain zoning
Afforestation
Embankments
Floodplain zoning makes flooding less likely to happen. True or false?
True
False
'Walls built along the river banks'. Which flood management strategy is this?
Flood warnings
Floodplain zoning
Afforestation
Embankments
Which of these is a disadvantage of embankments?
They are the most expensive strategy.
They create new habitats.
They generate hydroelectric power.
They look unsightly.
What is afforestation?
Removing trees
Planting trees
How do trees reduce the chances of flooding? There are two correct answers.
Roots absorb water, so less ends up in rivers.
Leaves intercept rain, so water takes longer to reach rivers.
Trees increase river capacity.
Trees warn people about flooding.
Which of these is an advantage of afforestation?
It is cheap.
It generates hydroelectric power.
It creates a store of drinking water.
It looks unsightly.
How many flood warning levels are there in the UK?
1
2
3
4
Which of these is the lowest flood warning level?
Flood alert
Flood warning
Severe flood warning
