Have you tried modelling the chemical weathering of limestone? Try the Earthlearningidea 'Karstic scenery - in 60 seconds'
This activity can be used in any science or geography lesson and leads into a detailed discussion of karstic scenery and how it develops. There are many other activity ideas related to weathering and to limestone on the website.
Today's new ELI is 'The rock cycle at your fingertips; modelling the rock cycle with your fingers'
The rock cycle is an abstract concept which pupils can find difficult to understand. For example, when asked how a rock formed, one student responded, “It went through the rock cycle” much as laundry goes through a wash cycle – something that is done to a rock to change it.’ This activity helps to explain the process.
Other teaching ideas about the rock cycle and many suggestions for hands-on activities, can be found on our website.
The ELI 'Weathering limestone – with my own breath!'
is a classroom demonstration of how limestone is weathered. It involves blowing into neutral water to produce a weak acid. Powdered limestone is added to neutralise the acid, as a quick-acting laboratory example of how limestone is weathered in the
This activity may be used in Geography or Science lessons.
Many more activities related to all types of weathering may be found on our website.
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