Causes of flooding

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