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WorksheetsCauses of flooding
Total questions: 15
Worksheet time: 10mins
What pairs of factors are human causes of flooding?
Heavy rainfall & urbanisation
Steep slopes & deforestation
Urbanisation & deforestation
Snow melt & urbanisation
What pairs of factors are physical causes of flooding?
Urbanisation & snow melt
Deforestation & steep slopes
Snow melt & steep slopes
Heavy rainfall & deforestation
What is impermeable rock?
Rock that allows water through it
Rock that does not allow water through it
Rock that sometimes lets water through it
Rock that allows water through it during times of flood
Flooding occurs when....
The amount of water in the river is larger than the holding capacity of the river
The amount of water in the river is equal to the holding capacity of the river
The amount of water in the river is lower than the holding capacity of the river
Trees and plants acting as an umbrella to stop rain hitting the ground is called ....
Surface runoff
Interception
Impermeable
Erosion
Which of the following will reduce flooding?
Deforestation
Afforestation
Building more houses
Constructing new roads
Which of these factors does NOT encourage flooding?
A drainage basin found in an urban area
A drainage basin of permeable rock
A lack of vegetation or woodland
Which of these factors encourages flooding?
A gentle sided valley
Woodland
Urbanisation
Name an impermeable rock
Sandstone
Limestone
Granite
Chalk
What is the cause of flooding in this image?
Steep slopes
Compacted/dry soil
Urbanisation
Snow melt
What is the cause of flooding in this image?
Impermeable surface
Steep slopes
Snow melt
Heavy rainfall
In which country was the deadliest flood in history?
Pakistan
Netherlands
China
Vietnam
How would removing trees increase the risk of flooding?
There would be less interception by tree leaves, increasing the amount of water reaching the river
There would be more interception by tree leaves, decreasing the amount of water reaching the river
There would be less interception by tree leaves, decreasing the amount of water reaching the river
There would be more interception by tree leaves, increasing the amount of water reaching the river
How would building a new town contribute to flooding?
There would be less infiltration, therefore decreasing surface runoff.
There would be more infiltration, therefore increasing surface runoff.
There would be less infiltration, therefore increasing surface runoff.
There would be more infiltration, therefore decreasing surface runoff.
Which two rocks are both permeable?
Sandstone and Granite
Chalk and Granite
Sandstone and Chalk
Basalt and Granite
