NEW
Font size
WorksheetsRiver flooding quiz
Total questions: 12
Worksheet time: 6mins
A flood plain is...
the flat land alongside a river which sometimes floods
flat land surrounding a river which never floods
the source of water for a river
the boundary between two drainage basins
Infiltration is...
water flowing down a road
water flowing onto a flood plain
water sinking into the soil
where a river meets the sea
A cause of flooding is when more rain falls than the river channel can hold and water flows over the banks onto the flood plain.
true
false
Rocks and soil that do not allow water to soak into them are called...
permeable
impermeable
Steep slopes cause rain to quickly run down to the river reducing the chance of it infiltrating and causing...
more flooding
less flooding
Very wet soil means rain...
is unable to soak into the ground causing more flooding
will sink into the ground quickly causing less flooding
Which one of these will reduce the risk of flooding?
cutting down trees
building more roads
planting trees
building more houses
Trees and plants acting as an umbrella to stop rain hitting the ground is called...
infiltration
interception
runoff
impermeable
Permeable rocks and soils...
do not allow water to pass through them
allow water to pass through them
A "human" cause of flooding is...
impermeable rocks
building roads, houses and factories
heavy rain
steep valley sides
A "natural" cause of flooding is...
steep valley sides
building roads
building houses
urbanisation
Runoff is...
water falling from the atmosphere as rain, hail, sleet or snow
rainwater soaking into the ground
evaporation of water from leaves
rainwater moving over the ground surface
