1) What is a flood? a) A sudden shaking of the ground b) The overflow of water onto normally dry land c) A long period without rain d) Strong winds that cause damage 2) Which of these is a natural cause of floods? a) Building too many houses b) Cutting down trees c) Heavy rainfall d) Blocking drains with rubbish 3) Which human activity can increase the risk of flooding? a) Planting trees b) Building dams c) Cutting down forests d) Cleaning rivers 4) What is a Flash Flood? a) A flood that happens slowly over months b) A flood that occurs very suddenly after heavy rain c) A flood caused only by melting snow d) A flood that happens only at the sea 5) Explain the difference between a river flood and a flash flood. a) A river flood happens slowly when a river overflows, while a flash flood happens suddenly after heavy rain. its banks after heavy, continuous rainfall.A river flood happens slowly when a river overflows, while a flash flood happens suddenly after heavy rain. b) Both river floods and flash floods always take many months to form. 6) Why are low-lying areas more likely to flood than higher ground? a) Because low-lying areas receive more rainfall than higher areas. b) Because water flows downhill and collects in low places. 7) How does deforestation contribute to flooding? a) Without trees, water runs off quickly into rivers, raising flood risk. b) Cutting down trees makes the land higher, so it cannot flood. 8) How may climate change increase the risk of floods? a) It causes heavier rainfall and stronger storms. b) It always makes rainfall stop completely.

Floods Garde 7

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