Guess the next topic……….?. Flooding - its causes and effects. Recent adverts warning people of flood dangers. Devastation of floods. Why do some rivers flood and others don’t ?. In pairs try to come up with a reason. (Try to think back to how water passes through a drainage basin )
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its causes and effects
Why do some rivers flood and others don’t ?
In pairs try to come up with a reason
(Try to think back to how water passes through a drainage basin )
(Flooding is more likely to occur when water travels rapidly over the surface, what conditions encourage this?)
Types of precipitation
Types of soil and underlying rock
Steepness of drainage basin
(Table experiment )
Use the copy of ‘Why some rivers flood (Key Geog) to complete notes on above factors
Answer the questions