water falling from the sky like rain, sleet, snow, hail
What does impermeable mean?
Water can not pass through
How can YOU look after river life?
don't throw litter in rivers, don't put face wipes, hygiene items, cotton or food down toilets, don't dump oil, paint, weed killer, etc. don't waste water
How do people use rivers? Name two from page 88
water supply, generate electricity, farming, transport, leisure, factories
What is a tributary?
A river that flows into a larger one.
What is an estuary?
the wide mouth of a river where the river water and sea mix.
When two rivers join it is called a ....
confluence
Name a landform created by rivers
waterfall, gorge, v-shaped valley, interlocking spurs, meander, oxbox lake
The starting point of a river is called...
The source
Evaporation is when water turns to....
vapour (a gas)
How do people harm rivers?
polluting with sewage, trash, run off from framr, pumping too much water, over fishing.
Name two factors that contributes to flooding.
heavy rain, steep land, built up areas, cutting down trees, tributaries, impermeable rock
What are some long term solutions to flooding?
Embankments (high banks), let nature help, take care where you build, dig new river channels, portable flood barriers, anti flood shutters on homes.
What is a floodplain?
The flat land beside the river which may flood when the river overflows.
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