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Sinkholes uncovered

Jim Riley

3rd February 2014

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In the news today a sinkhole has swallowed a car in Buckinghamshire. This image would provide a great starter for a lesson on the causes and effects of Sinkholes.

Sinkholes form in chalk or limestone. Over thousands of years rain water dissolves the rock, turning crevices into caves. The overlying material collapses due to extreme rainfall or nearby construction work.

Pupils could watch the Horizon programme on BBC2, Thursday 6th January at 9pm and then research another sinkhole from around the world.

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Jim Riley

Jim co-founded tutor2u alongside his twin brother Geoff! Jim is a well-known Business writer and presenter as well as being one of the UK's leading educational technology entrepreneurs.

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