Worksheets5 - Flooding and revision
Total questions: 15
Worksheet time: 8mins
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
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
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
A ________________ is the starting point of the river.
source
triutaries
mouth
drainage basin
________________ are streams that flow together to make a river.
source
tributaries
mouth
drainage basin
Tiny particles such as silt are usually transported:
in solution
in suspension
by saltation
by traction
The load of the river is all the materials carried by the water
True
False
How many ways is the load transported in the river?
3
4
2
1
