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
Why do you think Floods happen? (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?)
(Table experiment ) Causes of Flooding (In pairs try to think how each of the below factors affect flooding) Physical Causes Types of precipitation Types of soil and underlying rock Land use Steepness of drainage basin Humans Causes Deforestation Urban growth. River management Global Warming Use the copy of ‘Why some rivers flood (Key Geog) to complete notes on above factors Answer the questions